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202c33d5e4
mame/src/devices/machine/mc68328.cpp
hap 202c33d5e4 ds8874: move to video folder (led driver chip), 
misc: remove folder from self #include
2024-04-11 22:30:50 +02:00

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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
/**********************************************************************
Motorola 68328 ("DragonBall") System-on-a-Chip implementation
By Ryan Holtz
**********************************************************************/
#include "emu.h"
#include "mc68328.h"
#define LOG_SCR (1U << 1)
#define LOG_CS_GRP (1U << 2)
#define LOG_CS_SEL (1U << 3)
#define LOG_PLL (1U << 4)
#define LOG_INTS (1U << 5)
#define LOG_GPIO_A (1U << 6)
#define LOG_GPIO_B (1U << 7)
#define LOG_GPIO_C (1U << 8)
#define LOG_GPIO_D (1U << 9)
#define LOG_GPIO_E (1U << 10)
#define LOG_GPIO_F (1U << 11)
#define LOG_GPIO_G (1U << 12)
#define LOG_GPIO_J (1U << 13)
#define LOG_GPIO_K (1U << 14)
#define LOG_GPIO_M (1U << 15)
#define LOG_PWM (1U << 16)
#define LOG_TIMERS (1U << 17)
#define LOG_TSTAT (1U << 18)
#define LOG_WATCHDOG (1U << 19)
#define LOG_SPIS (1U << 20)
#define LOG_SPIM (1U << 21)
#define LOG_UART (1U << 22)
#define LOG_LCD (1U << 23)
#define LOG_RTC (1U << 24)
#define LOG_ALL (LOG_SCR | LOG_PLL | LOG_INTS | LOG_GPIO_A | LOG_GPIO_B | LOG_GPIO_C | LOG_GPIO_D | LOG_GPIO_E \
| LOG_GPIO_F | LOG_GPIO_G | LOG_GPIO_J | LOG_GPIO_K | LOG_GPIO_M | LOG_PWM | LOG_TIMERS | LOG_TSTAT | LOG_WATCHDOG | LOG_SPIS \
| LOG_SPIM | LOG_UART | LOG_LCD | LOG_RTC)
#define VERBOSE (0)
#include "logmacro.h"
DEFINE_DEVICE_TYPE(MC68328, mc68328_device, "mc68328", "MC68328 DragonBall Processor")
DEFINE_DEVICE_TYPE(MC68EZ328, mc68ez328_device, "mc68ez328", "MC68EZ328 DragonBall-EZ Processor")
const u32 mc68328_base_device::VCO_DIVISORS[8] = { 2, 4, 8, 16, 1, 1, 1, 1 };
mc68328_base_device::mc68328_base_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock)
: m68000_device(mconfig, type, tag, owner, clock)
, m_pwm(nullptr)
, m_rtc(nullptr)
, m_spim(nullptr)
, m_out_port_a_cb(*this)
, m_out_port_b_cb(*this)
, m_out_port_c_cb(*this)
, m_out_port_d_cb(*this)
, m_out_port_e_cb(*this)
, m_out_port_f_cb(*this)
, m_out_port_g_cb(*this)
, m_in_port_a_cb(*this, 0)
, m_in_port_b_cb(*this, 0)
, m_in_port_c_cb(*this, 0)
, m_in_port_d_cb(*this, 0)
, m_in_port_e_cb(*this, 0)
, m_in_port_f_cb(*this, 0)
, m_in_port_g_cb(*this, 0)
, m_out_pwm_cb(*this)
, m_out_spim_cb(*this)
, m_in_spim_cb(*this, 0)
, m_out_flm_cb(*this)
, m_out_llp_cb(*this)
, m_out_lsclk_cb(*this)
, m_out_ld_cb(*this)
, m_lcd_info_changed_cb(*this)
{
}
mc68328_device::mc68328_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: mc68328_base_device(mconfig, MC68328, tag, owner, clock)
, m_out_port_j_cb(*this)
, m_out_port_k_cb(*this)
, m_out_port_m_cb(*this)
, m_in_port_j_cb(*this, 0)
, m_in_port_k_cb(*this, 0)
, m_in_port_m_cb(*this, 0)
{
m_cpu_space_config.m_internal_map = address_map_constructor(FUNC(mc68328_device::cpu_space_map), this);
auto imap = address_map_constructor(FUNC(mc68328_device::internal_map), this);
m_program_config.m_internal_map = imap;
m_opcodes_config.m_internal_map = imap;
m_uprogram_config.m_internal_map = imap;
m_uopcodes_config.m_internal_map = imap;
}
mc68ez328_device::mc68ez328_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: mc68328_base_device(mconfig, MC68EZ328, tag, owner, clock)
{
m_cpu_space_config.m_internal_map = address_map_constructor(FUNC(mc68ez328_device::cpu_space_map), this);
m_cpu_space_config.m_addr_width = 32;
m_program_config.m_addr_width = 32;
m_opcodes_config.m_addr_width = 32;
m_uprogram_config.m_addr_width = 32;
m_uopcodes_config.m_addr_width = 32;
auto imap = address_map_constructor(FUNC(mc68ez328_device::internal_map), this);
m_program_config.m_internal_map = imap;
m_opcodes_config.m_internal_map = imap;
m_uprogram_config.m_internal_map = imap;
m_uopcodes_config.m_internal_map = imap;
}
void mc68328_base_device::base_internal_map(u32 addr_bits, address_map &map)
{
map(addr_bits | 0x000, addr_bits | 0x000).rw(FUNC(mc68328_base_device::scr_r), FUNC(mc68328_base_device::scr_w));
map(addr_bits | 0x100, addr_bits | 0x101).rw(FUNC(mc68328_base_device::grpbasea_r), FUNC(mc68328_base_device::grpbasea_w));
map(addr_bits | 0x102, addr_bits | 0x103).rw(FUNC(mc68328_base_device::grpbaseb_r), FUNC(mc68328_base_device::grpbaseb_w));
map(addr_bits | 0x104, addr_bits | 0x105).rw(FUNC(mc68328_base_device::grpbasec_r), FUNC(mc68328_base_device::grpbasec_w));
map(addr_bits | 0x106, addr_bits | 0x107).rw(FUNC(mc68328_base_device::grpbased_r), FUNC(mc68328_base_device::grpbased_w));
map(addr_bits | 0x200, addr_bits | 0x201).rw(FUNC(mc68328_base_device::pllcr_r), FUNC(mc68328_base_device::pllcr_w));
map(addr_bits | 0x202, addr_bits | 0x203).rw(FUNC(mc68328_base_device::pllfsr_r), FUNC(mc68328_base_device::pllfsr_w));
map(addr_bits | 0x207, addr_bits | 0x207).rw(FUNC(mc68328_base_device::pctlr_r), FUNC(mc68328_base_device::pctlr_w));
map(addr_bits | 0x300, addr_bits | 0x300).rw(FUNC(mc68328_base_device::ivr_r), FUNC(mc68328_base_device::ivr_w));
map(addr_bits | 0x302, addr_bits | 0x303).rw(FUNC(mc68328_base_device::icr_r), FUNC(mc68328_base_device::icr_w));
map(addr_bits | 0x304, addr_bits | 0x305).rw(FUNC(mc68328_base_device::imr_msw_r), FUNC(mc68328_base_device::imr_msw_w));
map(addr_bits | 0x306, addr_bits | 0x307).rw(FUNC(mc68328_base_device::imr_lsw_r), FUNC(mc68328_base_device::imr_lsw_w));
map(addr_bits | 0x30c, addr_bits | 0x30d).rw(FUNC(mc68328_base_device::isr_msw_r), FUNC(mc68328_base_device::isr_msw_w));
map(addr_bits | 0x30e, addr_bits | 0x30f).rw(FUNC(mc68328_base_device::isr_lsw_r), FUNC(mc68328_base_device::isr_lsw_w));
map(addr_bits | 0x310, addr_bits | 0x311).rw(FUNC(mc68328_base_device::ipr_msw_r), FUNC(mc68328_base_device::ipr_msw_w));
map(addr_bits | 0x312, addr_bits | 0x313).rw(FUNC(mc68328_base_device::ipr_lsw_r), FUNC(mc68328_base_device::ipr_lsw_w));
map(addr_bits | 0x400, addr_bits | 0x400).rw(FUNC(mc68328_base_device::padir_r), FUNC(mc68328_base_device::padir_w));
map(addr_bits | 0x401, addr_bits | 0x401).rw(FUNC(mc68328_base_device::padata_r), FUNC(mc68328_base_device::padata_w));
map(addr_bits | 0x408, addr_bits | 0x408).rw(FUNC(mc68328_base_device::pbdir_r), FUNC(mc68328_base_device::pbdir_w));
map(addr_bits | 0x409, addr_bits | 0x409).rw(FUNC(mc68328_base_device::pbdata_r), FUNC(mc68328_base_device::pbdata_w));
map(addr_bits | 0x40b, addr_bits | 0x40b).rw(FUNC(mc68328_base_device::pbsel_r), FUNC(mc68328_base_device::pbsel_w));
map(addr_bits | 0x410, addr_bits | 0x410).rw(FUNC(mc68328_base_device::pcdir_r), FUNC(mc68328_base_device::pcdir_w));
map(addr_bits | 0x411, addr_bits | 0x411).rw(FUNC(mc68328_base_device::pcdata_r), FUNC(mc68328_base_device::pcdata_w));
map(addr_bits | 0x413, addr_bits | 0x413).rw(FUNC(mc68328_base_device::pcsel_r), FUNC(mc68328_base_device::pcsel_w));
map(addr_bits | 0x418, addr_bits | 0x418).rw(FUNC(mc68328_base_device::pddir_r), FUNC(mc68328_base_device::pddir_w));
map(addr_bits | 0x419, addr_bits | 0x419).rw(FUNC(mc68328_base_device::pddata_r), FUNC(mc68328_base_device::pddata_w));
map(addr_bits | 0x41a, addr_bits | 0x41a).rw(FUNC(mc68328_base_device::pdpuen_r), FUNC(mc68328_base_device::pdpuen_w));
map(addr_bits | 0x41c, addr_bits | 0x41c).rw(FUNC(mc68328_base_device::pdpol_r), FUNC(mc68328_base_device::pdpol_w));
map(addr_bits | 0x41d, addr_bits | 0x41d).rw(FUNC(mc68328_base_device::pdirqen_r), FUNC(mc68328_base_device::pdirqen_w));
map(addr_bits | 0x41f, addr_bits | 0x41f).rw(FUNC(mc68328_base_device::pdirqedge_r), FUNC(mc68328_base_device::pdirqedge_w));
map(addr_bits | 0x420, addr_bits | 0x420).rw(FUNC(mc68328_base_device::pedir_r), FUNC(mc68328_base_device::pedir_w));
map(addr_bits | 0x421, addr_bits | 0x421).rw(FUNC(mc68328_base_device::pedata_r), FUNC(mc68328_base_device::pedata_w));
map(addr_bits | 0x422, addr_bits | 0x422).rw(FUNC(mc68328_base_device::pepuen_r), FUNC(mc68328_base_device::pepuen_w));
map(addr_bits | 0x423, addr_bits | 0x423).rw(FUNC(mc68328_base_device::pesel_r), FUNC(mc68328_base_device::pesel_w));
map(addr_bits | 0x428, addr_bits | 0x428).rw(FUNC(mc68328_base_device::pfdir_r), FUNC(mc68328_base_device::pfdir_w));
map(addr_bits | 0x429, addr_bits | 0x429).rw(FUNC(mc68328_base_device::pfdata_r), FUNC(mc68328_base_device::pfdata_w));
map(addr_bits | 0x42a, addr_bits | 0x42a).rw(FUNC(mc68328_base_device::pfpuen_r), FUNC(mc68328_base_device::pfpuen_w));
map(addr_bits | 0x42b, addr_bits | 0x42b).rw(FUNC(mc68328_base_device::pfsel_r), FUNC(mc68328_base_device::pfsel_w));
map(addr_bits | 0x430, addr_bits | 0x430).rw(FUNC(mc68328_base_device::pgdir_r), FUNC(mc68328_base_device::pgdir_w));
map(addr_bits | 0x431, addr_bits | 0x431).rw(FUNC(mc68328_base_device::pgdata_r), FUNC(mc68328_base_device::pgdata_w));
map(addr_bits | 0x432, addr_bits | 0x432).rw(FUNC(mc68328_base_device::pgpuen_r), FUNC(mc68328_base_device::pgpuen_w));
map(addr_bits | 0x433, addr_bits | 0x433).rw(FUNC(mc68328_base_device::pgsel_r), FUNC(mc68328_base_device::pgsel_w));
map(addr_bits | 0x500, addr_bits | 0x501).rw(FUNC(mc68328_base_device::pwmc_r), FUNC(mc68328_base_device::pwmc_w));
map(addr_bits | 0x600, addr_bits | 0x601).rw(FUNC(mc68328_base_device::tctl_r<0>), FUNC(mc68328_base_device::tctl_w<0>));
map(addr_bits | 0x602, addr_bits | 0x603).rw(FUNC(mc68328_base_device::tprer_r<0>), FUNC(mc68328_base_device::tprer_w<0>));
map(addr_bits | 0x604, addr_bits | 0x605).rw(FUNC(mc68328_base_device::tcmp_r<0>), FUNC(mc68328_base_device::tcmp_w<0>));
map(addr_bits | 0x606, addr_bits | 0x607).rw(FUNC(mc68328_base_device::tcr_r<0>), FUNC(mc68328_base_device::tcr_w<0>));
map(addr_bits | 0x608, addr_bits | 0x609).rw(FUNC(mc68328_base_device::tcn_r<0>), FUNC(mc68328_base_device::tcn_w<0>));
map(addr_bits | 0x60a, addr_bits | 0x60b).rw(FUNC(mc68328_base_device::tstat_r<0>), FUNC(mc68328_base_device::tstat_w<0>));
map(addr_bits | 0x800, addr_bits | 0x801).rw(FUNC(mc68328_base_device::spimdata_r), FUNC(mc68328_base_device::spimdata_w));
map(addr_bits | 0x802, addr_bits | 0x803).rw(FUNC(mc68328_base_device::spimcont_r), FUNC(mc68328_base_device::spimcont_w));
map(addr_bits | 0x900, addr_bits | 0x901).rw(FUNC(mc68328_base_device::ustcnt_r), FUNC(mc68328_base_device::ustcnt_w));
map(addr_bits | 0x902, addr_bits | 0x903).rw(FUNC(mc68328_base_device::ubaud_r), FUNC(mc68328_base_device::ubaud_w));
map(addr_bits | 0x904, addr_bits | 0x905).rw(FUNC(mc68328_base_device::urx_r), FUNC(mc68328_base_device::urx_w));
map(addr_bits | 0x906, addr_bits | 0x907).rw(FUNC(mc68328_base_device::utx_r), FUNC(mc68328_base_device::utx_w));
map(addr_bits | 0x908, addr_bits | 0x909).rw(FUNC(mc68328_base_device::umisc_r), FUNC(mc68328_base_device::umisc_w));
map(addr_bits | 0xa00, addr_bits | 0xa01).rw(FUNC(mc68328_base_device::lssa_msw_r), FUNC(mc68328_base_device::lssa_msw_w));
map(addr_bits | 0xa02, addr_bits | 0xa03).rw(FUNC(mc68328_base_device::lssa_lsw_r), FUNC(mc68328_base_device::lssa_lsw_w));
map(addr_bits | 0xa05, addr_bits | 0xa05).rw(FUNC(mc68328_base_device::lvpw_r), FUNC(mc68328_base_device::lvpw_w));
map(addr_bits | 0xa08, addr_bits | 0xa09).rw(FUNC(mc68328_base_device::lxmax_r), FUNC(mc68328_base_device::lxmax_w));
map(addr_bits | 0xa0a, addr_bits | 0xa0b).rw(FUNC(mc68328_base_device::lymax_r), FUNC(mc68328_base_device::lymax_w));
map(addr_bits | 0xa18, addr_bits | 0xa19).rw(FUNC(mc68328_base_device::lcxp_r), FUNC(mc68328_base_device::lcxp_w));
map(addr_bits | 0xa1a, addr_bits | 0xa1b).rw(FUNC(mc68328_base_device::lcyp_r), FUNC(mc68328_base_device::lcyp_w));
map(addr_bits | 0xa1c, addr_bits | 0xa1d).rw(FUNC(mc68328_base_device::lcwch_r), FUNC(mc68328_base_device::lcwch_w));
map(addr_bits | 0xa1f, addr_bits | 0xa1f).rw(FUNC(mc68328_base_device::lblkc_r), FUNC(mc68328_base_device::lblkc_w));
map(addr_bits | 0xa20, addr_bits | 0xa20).rw(FUNC(mc68328_base_device::lpicf_r), FUNC(mc68328_base_device::lpicf_w));
map(addr_bits | 0xa21, addr_bits | 0xa21).rw(FUNC(mc68328_base_device::lpolcf_r), FUNC(mc68328_base_device::lpolcf_w));
map(addr_bits | 0xa23, addr_bits | 0xa23).rw(FUNC(mc68328_base_device::lacdrc_r), FUNC(mc68328_base_device::lacdrc_w));
map(addr_bits | 0xa25, addr_bits | 0xa25).rw(FUNC(mc68328_base_device::lpxcd_r), FUNC(mc68328_base_device::lpxcd_w));
map(addr_bits | 0xa27, addr_bits | 0xa27).rw(FUNC(mc68328_base_device::lckcon_r), FUNC(mc68328_base_device::lckcon_w));
map(addr_bits | 0xa2d, addr_bits | 0xa2d).rw(FUNC(mc68328_base_device::lposr_r), FUNC(mc68328_base_device::lposr_w));
map(addr_bits | 0xa31, addr_bits | 0xa31).rw(FUNC(mc68328_base_device::lfrcm_r), FUNC(mc68328_base_device::lfrcm_w));
map(addr_bits | 0xb00, addr_bits | 0xb01).rw(FUNC(mc68328_base_device::hmsr_msw_r), FUNC(mc68328_base_device::hmsr_msw_w));
map(addr_bits | 0xb02, addr_bits | 0xb03).rw(FUNC(mc68328_base_device::hmsr_lsw_r), FUNC(mc68328_base_device::hmsr_lsw_w));
map(addr_bits | 0xb04, addr_bits | 0xb05).rw(FUNC(mc68328_base_device::alarm_msw_r), FUNC(mc68328_base_device::alarm_msw_w));
map(addr_bits | 0xb06, addr_bits | 0xb07).rw(FUNC(mc68328_base_device::alarm_lsw_r), FUNC(mc68328_base_device::alarm_lsw_w));
map(addr_bits | 0xb0e, addr_bits | 0xb0f).rw(FUNC(mc68328_base_device::rtcisr_r), FUNC(mc68328_base_device::rtcisr_w));
map(addr_bits | 0xb10, addr_bits | 0xb11).rw(FUNC(mc68328_base_device::rtcienr_r), FUNC(mc68328_base_device::rtcienr_w));
map(addr_bits | 0xb12, addr_bits | 0xb13).rw(FUNC(mc68328_base_device::stpwtch_r), FUNC(mc68328_base_device::stpwtch_w));
}
void mc68328_device::internal_map(address_map &map)
{
base_internal_map(0xfff000, map);
map(0xfff108, 0xfff109).rw(FUNC(mc68328_device::grpmaska_r), FUNC(mc68328_device::grpmaska_w));
map(0xfff10a, 0xfff10b).rw(FUNC(mc68328_device::grpmaskb_r), FUNC(mc68328_device::grpmaskb_w));
map(0xfff10c, 0xfff10d).rw(FUNC(mc68328_device::grpmaskc_r), FUNC(mc68328_device::grpmaskc_w));
map(0xfff10e, 0xfff10f).rw(FUNC(mc68328_device::grpmaskd_r), FUNC(mc68328_device::grpmaskd_w));
map(0xfff110, 0xfff111).rw(FUNC(mc68328_device::csa_msw_r<0>), FUNC(mc68328_device::csa_msw_w<0>));
map(0xfff112, 0xfff113).rw(FUNC(mc68328_device::csa_lsw_r<0>), FUNC(mc68328_device::csa_lsw_w<0>));
map(0xfff114, 0xfff115).rw(FUNC(mc68328_device::csa_msw_r<1>), FUNC(mc68328_device::csa_msw_w<1>));
map(0xfff116, 0xfff117).rw(FUNC(mc68328_device::csa_lsw_r<1>), FUNC(mc68328_device::csa_lsw_w<1>));
map(0xfff118, 0xfff119).rw(FUNC(mc68328_device::csa_msw_r<2>), FUNC(mc68328_device::csa_msw_w<2>));
map(0xfff11a, 0xfff11b).rw(FUNC(mc68328_device::csa_lsw_r<2>), FUNC(mc68328_device::csa_lsw_w<2>));
map(0xfff11c, 0xfff11d).rw(FUNC(mc68328_device::csa_msw_r<3>), FUNC(mc68328_device::csa_msw_w<3>));
map(0xfff11e, 0xfff11f).rw(FUNC(mc68328_device::csa_lsw_r<3>), FUNC(mc68328_device::csa_lsw_w<3>));
map(0xfff120, 0xfff121).rw(FUNC(mc68328_device::csb_msw_r<0>), FUNC(mc68328_device::csb_msw_w<0>));
map(0xfff122, 0xfff123).rw(FUNC(mc68328_device::csb_lsw_r<0>), FUNC(mc68328_device::csb_lsw_w<0>));
map(0xfff124, 0xfff125).rw(FUNC(mc68328_device::csb_msw_r<1>), FUNC(mc68328_device::csb_msw_w<1>));
map(0xfff126, 0xfff127).rw(FUNC(mc68328_device::csb_lsw_r<1>), FUNC(mc68328_device::csb_lsw_w<1>));
map(0xfff128, 0xfff129).rw(FUNC(mc68328_device::csb_msw_r<2>), FUNC(mc68328_device::csb_msw_w<2>));
map(0xfff12a, 0xfff12b).rw(FUNC(mc68328_device::csb_lsw_r<2>), FUNC(mc68328_device::csb_lsw_w<2>));
map(0xfff12c, 0xfff12d).rw(FUNC(mc68328_device::csb_msw_r<3>), FUNC(mc68328_device::csb_msw_w<3>));
map(0xfff12e, 0xfff12f).rw(FUNC(mc68328_device::csb_lsw_r<3>), FUNC(mc68328_device::csb_lsw_w<3>));
map(0xfff130, 0xfff131).rw(FUNC(mc68328_device::csc_msw_r<0>), FUNC(mc68328_device::csc_msw_w<0>));
map(0xfff132, 0xfff133).rw(FUNC(mc68328_device::csc_lsw_r<0>), FUNC(mc68328_device::csc_lsw_w<0>));
map(0xfff134, 0xfff135).rw(FUNC(mc68328_device::csc_msw_r<1>), FUNC(mc68328_device::csc_msw_w<1>));
map(0xfff136, 0xfff137).rw(FUNC(mc68328_device::csc_lsw_r<1>), FUNC(mc68328_device::csc_lsw_w<1>));
map(0xfff138, 0xfff139).rw(FUNC(mc68328_device::csc_msw_r<2>), FUNC(mc68328_device::csc_msw_w<2>));
map(0xfff13a, 0xfff13b).rw(FUNC(mc68328_device::csc_lsw_r<2>), FUNC(mc68328_device::csc_lsw_w<2>));
map(0xfff13c, 0xfff13d).rw(FUNC(mc68328_device::csc_msw_r<3>), FUNC(mc68328_device::csc_msw_w<3>));
map(0xfff13e, 0xfff13f).rw(FUNC(mc68328_device::csc_lsw_r<3>), FUNC(mc68328_device::csc_lsw_w<3>));
map(0xfff140, 0xfff141).rw(FUNC(mc68328_device::csd_msw_r<0>), FUNC(mc68328_device::csd_msw_w<0>));
map(0xfff142, 0xfff143).rw(FUNC(mc68328_device::csd_lsw_r<0>), FUNC(mc68328_device::csd_lsw_w<0>));
map(0xfff144, 0xfff145).rw(FUNC(mc68328_device::csd_msw_r<1>), FUNC(mc68328_device::csd_msw_w<1>));
map(0xfff146, 0xfff147).rw(FUNC(mc68328_device::csd_lsw_r<1>), FUNC(mc68328_device::csd_lsw_w<1>));
map(0xfff148, 0xfff149).rw(FUNC(mc68328_device::csd_msw_r<2>), FUNC(mc68328_device::csd_msw_w<2>));
map(0xfff14a, 0xfff14b).rw(FUNC(mc68328_device::csd_lsw_r<2>), FUNC(mc68328_device::csd_lsw_w<2>));
map(0xfff14c, 0xfff14d).rw(FUNC(mc68328_device::csd_msw_r<3>), FUNC(mc68328_device::csd_msw_w<3>));
map(0xfff14e, 0xfff14f).rw(FUNC(mc68328_device::csd_lsw_r<3>), FUNC(mc68328_device::csd_lsw_w<3>));
map(0xfff308, 0xfff309).rw(FUNC(mc68328_device::iwr_msw_r), FUNC(mc68328_device::iwr_msw_w));
map(0xfff30a, 0xfff30b).rw(FUNC(mc68328_device::iwr_lsw_r), FUNC(mc68328_device::iwr_lsw_w));
map(0xfff403, 0xfff403).rw(FUNC(mc68328_device::pasel_r), FUNC(mc68328_device::pasel_w));
map(0xfff438, 0xfff438).rw(FUNC(mc68328_device::pjdir_r), FUNC(mc68328_device::pjdir_w));
map(0xfff439, 0xfff439).rw(FUNC(mc68328_device::pjdata_r), FUNC(mc68328_device::pjdata_w));
map(0xfff43b, 0xfff43b).rw(FUNC(mc68328_device::pjsel_r), FUNC(mc68328_device::pjsel_w));
map(0xfff440, 0xfff440).rw(FUNC(mc68328_device::pkdir_r), FUNC(mc68328_device::pkdir_w));
map(0xfff441, 0xfff441).rw(FUNC(mc68328_device::pkdata_r), FUNC(mc68328_device::pkdata_w));
map(0xfff442, 0xfff442).rw(FUNC(mc68328_device::pkpuen_r), FUNC(mc68328_device::pkpuen_w));
map(0xfff443, 0xfff443).rw(FUNC(mc68328_device::pksel_r), FUNC(mc68328_device::pksel_w));
map(0xfff448, 0xfff448).rw(FUNC(mc68328_device::pmdir_r), FUNC(mc68328_device::pmdir_w));
map(0xfff449, 0xfff449).rw(FUNC(mc68328_device::pmdata_r), FUNC(mc68328_device::pmdata_w));
map(0xfff44a, 0xfff44a).rw(FUNC(mc68328_device::pmpuen_r), FUNC(mc68328_device::pmpuen_w));
map(0xfff44b, 0xfff44b).rw(FUNC(mc68328_device::pmsel_r), FUNC(mc68328_device::pmsel_w));
map(0xfff502, 0xfff503).rw(FUNC(mc68328_device::pwmp_r), FUNC(mc68328_device::pwmp_w));
map(0xfff504, 0xfff505).rw(FUNC(mc68328_device::pwmw_r), FUNC(mc68328_device::pwmw_w));
map(0xfff506, 0xfff507).rw(FUNC(mc68328_device::pwmcnt_r), FUNC(mc68328_device::pwmcnt_w));
map(0xfff60c, 0xfff60d).rw(FUNC(mc68328_device::tctl_r<1>), FUNC(mc68328_device::tctl_w<1>));
map(0xfff60e, 0xfff60f).rw(FUNC(mc68328_device::tprer_r<1>), FUNC(mc68328_device::tprer_w<1>));
map(0xfff610, 0xfff611).rw(FUNC(mc68328_device::tcmp_r<1>), FUNC(mc68328_device::tcmp_w<1>));
map(0xfff612, 0xfff613).rw(FUNC(mc68328_device::tcr_r<1>), FUNC(mc68328_device::tcr_w<1>));
map(0xfff614, 0xfff615).rw(FUNC(mc68328_device::tcn_r<1>), FUNC(mc68328_device::tcn_w<1>));
map(0xfff616, 0xfff617).rw(FUNC(mc68328_device::tstat_r<1>), FUNC(mc68328_device::tstat_w<1>));
map(0xfff618, 0xfff619).rw(FUNC(mc68328_device::wctlr_r), FUNC(mc68328_device::wctlr_w));
map(0xfff61a, 0xfff61b).rw(FUNC(mc68328_device::wcmpr_r), FUNC(mc68328_device::wcmpr_w));
map(0xfff61c, 0xfff61d).rw(FUNC(mc68328_device::wcn_r), FUNC(mc68328_device::wcn_w));
map(0xfff700, 0xfff701).rw(FUNC(mc68328_device::spisr_r), FUNC(mc68328_device::spisr_w));
map(0xfffa29, 0xfffa29).rw(FUNC(mc68328_device::llbar_r), FUNC(mc68328_device::llbar_w));
map(0xfffa2b, 0xfffa2b).rw(FUNC(mc68328_device::lotcr_r), FUNC(mc68328_device::lotcr_w));
map(0xfffa32, 0xfffa33).rw(FUNC(mc68328_device::lgpmr_r), FUNC(mc68328_device::lgpmr_w));
map(0xfffb0c, 0xfffb0d).rw(FUNC(mc68328_device::rtcctl_r), FUNC(mc68328_device::rtcctl_w));
}
void mc68ez328_device::internal_map(address_map &map)
{
base_internal_map(0xfffff000, map);
map(0xfffff004, 0xfffff007).r(FUNC(mc68ez328_device::revision_r));
map(0xfffff110, 0xfffff111).rw(FUNC(mc68ez328_device::csa_r), FUNC(mc68ez328_device::csa_w));
map(0xfffff112, 0xfffff113).rw(FUNC(mc68ez328_device::csb_r), FUNC(mc68ez328_device::csb_w));
map(0xfffff114, 0xfffff115).rw(FUNC(mc68ez328_device::csc_r), FUNC(mc68ez328_device::csc_w));
map(0xfffff116, 0xfffff117).rw(FUNC(mc68ez328_device::csd_r), FUNC(mc68ez328_device::csd_w));
map(0xfffff118, 0xfffff119).rw(FUNC(mc68ez328_device::emucs_r), FUNC(mc68ez328_device::emucs_w));
map(0xfffff502, 0xfffff503).rw(FUNC(mc68ez328_device::pwms_r), FUNC(mc68ez328_device::pwms_w));
map(0xfffff504, 0xfffff504).rw(FUNC(mc68ez328_device::pwmp_r), FUNC(mc68ez328_device::pwmp_w));
map(0xfffff505, 0xfffff505).rw(FUNC(mc68ez328_device::pwmcnt_r), FUNC(mc68ez328_device::pwmcnt_w));
map(0xfffffa29, 0xfffffa29).rw(FUNC(mc68ez328_device::lrra_r), FUNC(mc68ez328_device::lrra_w));
map(0xfffffa36, 0xfffffa37).rw(FUNC(mc68ez328_device::pwmr_r), FUNC(mc68ez328_device::pwmr_w));
map(0xfffffb0a, 0xfffffb0b).rw(FUNC(mc68ez328_device::watchdog_r), FUNC(mc68ez328_device::watchdog_w));
map(0xfffffb0c, 0xfffffb0d).rw(FUNC(mc68ez328_device::rtcctl_r), FUNC(mc68ez328_device::rtcctl_w));
map(0xfffffb1a, 0xfffffb1b).rw(FUNC(mc68ez328_device::dayr_r), FUNC(mc68ez328_device::dayr_w));
map(0xfffffb1c, 0xfffffb1d).rw(FUNC(mc68ez328_device::dayalarm_r), FUNC(mc68ez328_device::dayalarm_w));
}
void mc68328_device::cpu_space_map(address_map &map)
{
map(0xfffff0, 0xffffff).r(FUNC(mc68328_device::irq_callback)).umask16(0x00ff);
}
void mc68ez328_device::cpu_space_map(address_map &map)
{
map(0xfffffff0, 0xffffffff).r(FUNC(mc68ez328_device::irq_callback)).umask16(0x00ff);
}
//-------------------------------------------------
// device_resolve_objects - resolve objects that
// may be needed for other devices to set
// initial conditions at start time
//-------------------------------------------------
void mc68328_base_device::device_resolve_objects()
{
m68000_device::device_resolve_objects();
m_lcd_info_changed_cb.resolve_safe();
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void mc68328_base_device::device_start()
{
m68000_device::device_start();
m_refclk = timer_alloc(FUNC(mc68328_base_device::refclk_tick), this);
m_pwm = timer_alloc(FUNC(mc68328_base_device::pwm_tick), this);
m_rtc = timer_alloc(FUNC(mc68328_base_device::rtc_tick), this);
m_spim = timer_alloc(FUNC(mc68328_base_device::spim_tick), this);
m_lcd_scan = timer_alloc(FUNC(mc68328_base_device::lcd_scan_tick), this);
m_lcd_line_buffer = std::make_unique<u16[]>(1024 / 16); // 1024px wide, up to 16 pixels per word
register_state_save();
}
void mc68328_device::device_start()
{
mc68328_base_device::device_start();
m_gptimer[0] = timer_alloc(FUNC(mc68328_device::timer_tick<0>), this);
m_gptimer[1] = timer_alloc(FUNC(mc68328_device::timer_tick<1>), this);
}
void mc68ez328_device::device_start()
{
mc68328_base_device::device_start();
m_gptimer = timer_alloc(FUNC(mc68ez328_device::timer_tick<0>), this);
m_rtc_sample_timer = timer_alloc(FUNC(mc68ez328_device::sample_timer_tick), this);
m_dayr = 0;
m_dayalarm = 0;
m_sam_cnt = 0;
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void mc68328_base_device::device_reset()
{
m68000_device::device_reset();
m_scr = 0x0c;
m_grpbasea = 0x0000;
m_grpbaseb = 0x0000;
m_grpbasec = 0x0000;
m_grpbased = 0x0000;
m_refclk->adjust(attotime::from_hz(32768), 0, attotime::from_hz(32768));
m_pllcr = 0x2400;
m_pllfsr = 0x0123;
m_pctlr = 0x1f;
m_ivr = 0x00;
m_icr = 0x0000;
m_imr = 0x00ffffff;
m_gisr = 0x00000000;
m_ipr = 0x00000000;
m_pasel = 0x00;
m_padir = 0x00;
m_padata = 0x00;
m_pbdir = 0x00;
m_pbdata = 0x00;
m_pbsel = 0x00;
m_pcdir = 0x00;
m_pcdata = 0x00;
m_pcsel = 0x00;
m_pddir = 0x00;
m_pddata = 0x00;
m_pdpuen = 0xff;
m_pdpol = 0x00;
m_pdirqen = 0x00;
m_pdirqedge = 0x00;
m_pdindata = 0x00;
m_pedir = 0x00;
m_pedata = 0x00;
m_pepuen = 0x80;
m_pesel = 0x80;
m_pfdir = 0x00;
m_pfdata = 0x00;
m_pfpuen = 0xff;
m_pfsel = 0xff;
m_pgdir = 0x00;
m_pgdata = 0x00;
m_pgpuen = 0xff;
m_pgsel = 0xff;
m_spimdata = 0x0000;
m_spimcont = 0x0000;
m_spmtxd = false;
m_spmrxd = false;
m_spmclk = false;
m_spim_bit_read_idx = 15;
m_ustcnt = 0x0000;
m_ubaud = 0x003f;
m_urx = 0x0000;
m_utx = 0x0000;
m_umisc = 0x0000;
m_lssa = 0x00000000;
m_lssa_end = 0x00000000;
m_lvpw = 0xff;
m_lxmax = 0x03ff;
m_lymax = 0x01ff;
m_lcxp = 0x0000;
m_lcyp = 0x0000;
m_lcwch = 0x0101;
m_lblkc = 0x7f;
m_lpicf = 0x00;
m_lpolcf = 0x00;
m_lacdrc = 0x00;
m_lpxcd = 0x00;
m_lckcon = 0x40;
m_lposr = 0x00;
m_lfrcm = 0xb9;
m_lcd_update_pending = true;
m_hmsr = 0x00000000;
m_alarm = 0x00000000;
m_rtcctl = 0x00;
m_rtcisr = 0x0000;
m_rtcienr = 0x0000;
m_stpwtch = 0x0000;
m_pwm->adjust(attotime::never);
m_pwmo = false;
m_rtc->adjust(attotime::from_hz(1), 0, attotime::from_hz(1));
m_spim->adjust(attotime::never);
m_lcd_scan->adjust(attotime::never);
m_lcd_sysmem_ptr = 0;
m_lssa_end = 0;
m_lcd_line_bit = 0;
m_lcd_line_word = 0;
m_lsclk = false;
}
void mc68328_device::device_reset()
{
mc68328_base_device::device_reset();
m_grpmaska = 0x0000;
m_grpmaskb = 0x0000;
m_grpmaskc = 0x0000;
m_grpmaskd = 0x0000;
std::fill(std::begin(m_csa), std::end(m_csa), 0x00010006);
std::fill(std::begin(m_csb), std::end(m_csb), 0x00010006);
std::fill(std::begin(m_csc), std::end(m_csc), 0x00010006);
std::fill(std::begin(m_csd), std::end(m_csd), 0x00010006);
m_iwr = 0x00ffffff;
m_pasel = 0xff;
m_pjdir = 0x00;
m_pjdata = 0x00;
m_pjsel = 0x00;
m_pkdir = 0x00;
m_pkdata = 0x00;
m_pkpuen = 0xff;
m_pksel = 0xff;
m_pmdir = 0x00;
m_pmdata = 0x00;
m_pmpuen = 0xff;
m_pmsel = 0xff;
m_pwmc = 0x0000;
m_pwmp = 0x0000;
m_pwmw = 0x0000;
m_pwmcnt = 0x0000;
m_timer_regs[0].tctl = m_timer_regs[1].tctl = 0x0000;
m_timer_regs[0].tprer = m_timer_regs[1].tprer = 0x0000;
m_timer_regs[0].tcmp = m_timer_regs[1].tcmp = 0xffff;
m_timer_regs[0].tcr = m_timer_regs[1].tcr = 0x0000;
m_timer_regs[0].tcn = m_timer_regs[1].tcn = 0x0000;
m_timer_regs[0].tstat = m_timer_regs[1].tstat = 0x0000;
m_wctlr = 0x0000;
m_wcmpr = 0xffff;
m_wcn = 0x0000;
m_timer_regs[0].tclear = m_timer_regs[1].tclear = 0;
m_spisr = 0x0000;
m_llbar = 0x3e;
m_lotcr = 0x3f;
m_lgpmr = 0x1073;
m_gptimer[0]->adjust(attotime::never);
m_gptimer[1]->adjust(attotime::never);
}
void mc68ez328_device::device_reset()
{
mc68328_base_device::device_reset();
m_csa = 0x00e0;
m_csb = 0x0000;
m_csc = 0x0000;
m_csd = 0x0020;
m_emucs = 0x0060;
m_pwmc = 0x0020;
m_pwmp = 0xfe;
m_pwmcnt = 0x00;
std::fill(std::begin(m_pwmfifo), std::end(m_pwmfifo), 0x0000);
m_pwmfifo_wr = 0;
m_pwmfifo_rd = 0;
m_pwmfifo_cnt = 0;
m_pwm_rep_cnt = 1;
m_gptimer->adjust(attotime::never);
m_lrra = 0xff;
m_pwmr = 0x0000;
m_rtc_sample_timer->adjust(attotime::from_ticks(64, 32768), 0, attotime::from_ticks(64, 32768));
m_watchdog = 0x0001;
m_sam_cnt = 0;
}
void mc68328_base_device::register_state_save()
{
save_item(NAME(m_scr));
save_item(NAME(m_grpbasea));
save_item(NAME(m_grpbaseb));
save_item(NAME(m_grpbasec));
save_item(NAME(m_grpbased));
save_item(NAME(m_pllcr));
save_item(NAME(m_pllfsr));
save_item(NAME(m_pctlr));
save_item(NAME(m_ivr));
save_item(NAME(m_icr));
save_item(NAME(m_imr));
save_item(NAME(m_gisr));
save_item(NAME(m_ipr));
save_item(NAME(m_padir));
save_item(NAME(m_padata));
save_item(NAME(m_pbdir));
save_item(NAME(m_pbdata));
save_item(NAME(m_pbsel));
save_item(NAME(m_pcdir));
save_item(NAME(m_pcdata));
save_item(NAME(m_pcsel));
save_item(NAME(m_pddir));
save_item(NAME(m_pddata));
save_item(NAME(m_pdpuen));
save_item(NAME(m_pdpol));
save_item(NAME(m_pdirqen));
save_item(NAME(m_pdirqedge));
save_item(NAME(m_pdindata));
save_item(NAME(m_pedir));
save_item(NAME(m_pedata));
save_item(NAME(m_pepuen));
save_item(NAME(m_pesel));
save_item(NAME(m_pfdir));
save_item(NAME(m_pfdata));
save_item(NAME(m_pfpuen));
save_item(NAME(m_pfsel));
save_item(NAME(m_pgdir));
save_item(NAME(m_pgdata));
save_item(NAME(m_pgpuen));
save_item(NAME(m_pgsel));
save_item(NAME(m_pwmc));
save_item(NAME(m_pwmo));
save_item(NAME(m_spimdata));
save_item(NAME(m_spimcont));
save_item(NAME(m_spmtxd));
save_item(NAME(m_spmrxd));
save_item(NAME(m_spmclk));
save_item(NAME(m_spim_bit_read_idx));
save_item(NAME(m_ustcnt));
save_item(NAME(m_ubaud));
save_item(NAME(m_urx));
save_item(NAME(m_utx));
save_item(NAME(m_umisc));
save_item(NAME(m_lssa));
save_item(NAME(m_lssa_end));
save_item(NAME(m_lvpw));
save_item(NAME(m_lxmax));
save_item(NAME(m_lymax));
save_item(NAME(m_lcxp));
save_item(NAME(m_lcyp));
save_item(NAME(m_lcwch));
save_item(NAME(m_lblkc));
save_item(NAME(m_lpicf));
save_item(NAME(m_lpolcf));
save_item(NAME(m_lacdrc));
save_item(NAME(m_lpxcd));
save_item(NAME(m_lckcon));
save_item(NAME(m_lposr));
save_item(NAME(m_lfrcm));
save_item(NAME(m_lcd_update_pending));
save_item(NAME(m_hmsr));
save_item(NAME(m_alarm));
save_item(NAME(m_rtcctl));
save_item(NAME(m_rtcisr));
save_item(NAME(m_rtcienr));
save_item(NAME(m_stpwtch));
save_item(NAME(m_lcd_sysmem_ptr));
save_pointer(NAME(m_lcd_line_buffer), 1024 / 8);
save_item(NAME(m_lcd_line_bit));
save_item(NAME(m_lcd_line_word));
save_item(NAME(m_lsclk));
}
void mc68328_device::register_state_save()
{
mc68328_base_device::register_state_save();
save_item(NAME(m_grpmaska));
save_item(NAME(m_grpmaskb));
save_item(NAME(m_grpmaskc));
save_item(NAME(m_grpmaskd));
save_item(NAME(m_csa));
save_item(NAME(m_csb));
save_item(NAME(m_csc));
save_item(NAME(m_csd));
save_item(NAME(m_iwr));
save_item(NAME(m_pasel));
save_item(NAME(m_pjdir));
save_item(NAME(m_pjdata));
save_item(NAME(m_pjsel));
save_item(NAME(m_pkdir));
save_item(NAME(m_pkdata));
save_item(NAME(m_pkpuen));
save_item(NAME(m_pksel));
save_item(NAME(m_pmdir));
save_item(NAME(m_pmdata));
save_item(NAME(m_pmpuen));
save_item(NAME(m_pmsel));
save_item(NAME(m_pwmp));
save_item(NAME(m_pwmw));
save_item(NAME(m_pwmcnt));
save_item(STRUCT_MEMBER(m_timer_regs, tctl));
save_item(STRUCT_MEMBER(m_timer_regs, tprer));
save_item(STRUCT_MEMBER(m_timer_regs, tcmp));
save_item(STRUCT_MEMBER(m_timer_regs, tcr));
save_item(STRUCT_MEMBER(m_timer_regs, tcn));
save_item(STRUCT_MEMBER(m_timer_regs, tstat));
save_item(STRUCT_MEMBER(m_timer_regs, tclear));
save_item(NAME(m_wctlr));
save_item(NAME(m_wcmpr));
save_item(NAME(m_wcn));
save_item(NAME(m_spisr));
save_item(NAME(m_llbar));
save_item(NAME(m_lotcr));
save_item(NAME(m_lgpmr));
}
void mc68ez328_device::register_state_save()
{
mc68328_base_device::register_state_save();
save_item(NAME(m_pwmp));
save_item(NAME(m_pwmcnt));
save_item(NAME(m_pwmfifo));
save_item(NAME(m_pwmfifo_wr));
save_item(NAME(m_pwmfifo_rd));
save_item(NAME(m_pwmfifo_cnt));
save_item(NAME(m_pwm_rep_cnt));
save_item(STRUCT_MEMBER(m_timer_regs, tctl));
save_item(STRUCT_MEMBER(m_timer_regs, tprer));
save_item(STRUCT_MEMBER(m_timer_regs, tcmp));
save_item(STRUCT_MEMBER(m_timer_regs, tcr));
save_item(STRUCT_MEMBER(m_timer_regs, tcn));
save_item(STRUCT_MEMBER(m_timer_regs, tstat));
save_item(STRUCT_MEMBER(m_timer_regs, tclear));
save_item(NAME(m_lrra));
save_item(NAME(m_pwmr));
save_item(NAME(m_watchdog));
save_item(NAME(m_dayr));
save_item(NAME(m_dayalarm));
save_item(NAME(m_sam_cnt));
}
//-------------------------------------------------
// System control hardware
//-------------------------------------------------
void mc68328_base_device::scr_w(u8 data) // 0x000
{
LOGMASKED(LOG_SCR, "%s: scr_w: SCR = %02x\n", machine().describe_context(), data);
}
u8 mc68328_base_device::scr_r() // 0x000
{
LOGMASKED(LOG_SCR, "%s: scr_r: SCR: %02x\n", machine().describe_context(), m_scr);
return m_scr;
}
//-------------------------------------------------
// MMU/chip-select hardware - Standard MC68328
//-------------------------------------------------
void mc68328_base_device::grpbasea_w(u16 data) // 0x100
{
LOGMASKED(LOG_CS_GRP, "%s: grpbasea_w: GRPBASEA = %04x\n", machine().describe_context(), data);
m_grpbasea = data;
}
u16 mc68328_base_device::grpbasea_r() // 0x100
{
LOGMASKED(LOG_CS_GRP, "%s: grpbasea_r: GRPBASEA: %04x\n", machine().describe_context(), m_grpbasea);
return m_grpbasea;
}
void mc68328_base_device::grpbaseb_w(u16 data) // 0x102
{
LOGMASKED(LOG_CS_GRP, "%s: grpbaseb_w: GRPBASEB = %04x\n", machine().describe_context(), data);
m_grpbaseb = data;
}
u16 mc68328_base_device::grpbaseb_r() // 0x102
{
LOGMASKED(LOG_CS_GRP, "%s: grpbaseb_r: GRPBASEB: %04x\n", machine().describe_context(), m_grpbaseb);
return m_grpbaseb;
}
void mc68328_base_device::grpbasec_w(u16 data) // 0x104
{
LOGMASKED(LOG_CS_GRP, "%s: grpbasec_w: GRPBASEC = %04x\n", machine().describe_context(), data);
m_grpbasec = data;
}
u16 mc68328_base_device::grpbasec_r() // 0x104
{
LOGMASKED(LOG_CS_GRP, "%s: grpbasec_r: GRPBASEC: %04x\n", machine().describe_context(), m_grpbasec);
return m_grpbasec;
}
void mc68328_base_device::grpbased_w(u16 data) // 0x106
{
LOGMASKED(LOG_CS_GRP, "%s: grpbased_w: GRPBASED = %04x\n", machine().describe_context(), data);
m_grpbased = data;
}
u16 mc68328_base_device::grpbased_r() // 0x106
{
LOGMASKED(LOG_CS_GRP, "%s: grpbased_r: GRPBASED: %04x\n", machine().describe_context(), m_grpbased);
return m_grpbased;
}
void mc68328_device::grpmaska_w(u16 data) // 0x108
{
LOGMASKED(LOG_CS_GRP, "%s: grpmaska_w: GRPMASKA = %04x\n", machine().describe_context(), data);
m_grpmaska = data;
}
u16 mc68328_device::grpmaska_r() // 0x108
{
LOGMASKED(LOG_CS_GRP, "%s: grpmaska_r: GRPMASKA: %04x\n", machine().describe_context(), m_grpmaska);
return m_grpmaska;
}
void mc68328_device::grpmaskb_w(u16 data) // 0x10a
{
LOGMASKED(LOG_CS_GRP, "%s: grpmaskb_w: GRPMASKB = %04x\n", machine().describe_context(), data);
m_grpmaskb = data;
}
u16 mc68328_device::grpmaskb_r() // 0x10a
{
LOGMASKED(LOG_CS_GRP, "%s: grpmaskb_r: GRPMASKB: %04x\n", machine().describe_context(), m_grpmaskb);
return m_grpmaskb;
}
void mc68328_device::grpmaskc_w(u16 data) // 0x10c
{
LOGMASKED(LOG_CS_GRP, "%s: grpmaskc_w: GRPMASKC = %04x\n", machine().describe_context(), data);
m_grpmaskc = data;
}
u16 mc68328_device::grpmaskc_r() // 0x10c
{
LOGMASKED(LOG_CS_GRP, "%s: grpmaskc_r: GRPMASKC: %04x\n", machine().describe_context(), m_grpmaskc);
return m_grpmaskc;
}
void mc68328_device::grpmaskd_w(u16 data) // 0x10e
{
LOGMASKED(LOG_CS_GRP, "%s: grpmaskd_w: GRPMASKD = %04x\n", machine().describe_context(), data);
m_grpmaskd = data;
}
u16 mc68328_device::grpmaskd_r() // 0x10e
{
LOGMASKED(LOG_CS_GRP, "%s: grpmaskd_r: GRPMASKD: %04x\n", machine().describe_context(), m_grpmaskd);
return m_grpmaskd;
}
template<int ChipSelect>
void mc68328_device::csa_msw_w(offs_t offset, u16 data, u16 mem_mask) // 0x110, 0x114, 0x118, 0x11c
{
LOGMASKED(LOG_CS_SEL, "%s: csa_msw_w<%d>: CSA%d(16) = %04x\n", machine().describe_context(), ChipSelect, ChipSelect, data);
m_csa[ChipSelect] &= 0xffff0000 | (~mem_mask);
m_csa[ChipSelect] |= data & mem_mask;
}
template<int ChipSelect>
u16 mc68328_device::csa_msw_r() // 0x110, 0x120, 0x130, 0x140
{
LOGMASKED(LOG_CS_SEL, "%s: csa_msw_r: CSA%d(MSW): %04x\n", machine().describe_context(), ChipSelect, (u16)(m_csa[ChipSelect] >> 16));
return (u16)(m_csa[ChipSelect] >> 16);
}
template<int ChipSelect>
void mc68328_device::csa_lsw_w(offs_t offset, u16 data, u16 mem_mask) // 0x112, 0x116, 0x11a, 0x11e
{
LOGMASKED(LOG_CS_SEL, "%s: csa_lsw_w<%d>: CSA%d(0) = %04x\n", machine().describe_context(), ChipSelect, ChipSelect, data);
m_csa[ChipSelect] &= ~(mem_mask << 16);
m_csa[ChipSelect] |= (data & mem_mask) << 16;
}
template<int ChipSelect>
u16 mc68328_device::csa_lsw_r() // 0x112, 0x122, 0x132, 0x142
{
LOGMASKED(LOG_CS_SEL, "%s: csa_lsw_r: CSA%d(LSW): %04x\n", machine().describe_context(), ChipSelect, (u16)m_csa[ChipSelect]);
return (u16)m_csa[ChipSelect];
}
template<int ChipSelect>
void mc68328_device::csb_msw_w(offs_t offset, u16 data, u16 mem_mask) // 0x120, 0x124, 0x128, 0x12c
{
LOGMASKED(LOG_CS_SEL, "%s: csb_msw_w<%d>: CSB%d(MSW) = %04x\n", machine().describe_context(), ChipSelect, ChipSelect, data);
m_csb[ChipSelect] &= 0xffff0000 | (~mem_mask);
m_csb[ChipSelect] |= data & mem_mask;
}
template<int ChipSelect>
u16 mc68328_device::csb_msw_r() // 0x114, 0x124, 0x134, 0x144
{
LOGMASKED(LOG_CS_SEL, "%s: csb_msw_r: CSB%d(MSW): %04x\n", machine().describe_context(), ChipSelect, (u16)(m_csb[ChipSelect] >> 16));
return (u16)(m_csb[ChipSelect] >> 16);
}
template<int ChipSelect>
void mc68328_device::csb_lsw_w(offs_t offset, u16 data, u16 mem_mask) // 0x122, 0x126, 0x12a, 0x12e
{
LOGMASKED(LOG_CS_SEL, "%s: csb_lsw_w<%d>: CSB%d(LSW) = %04x\n", machine().describe_context(), ChipSelect, ChipSelect, data);
m_csb[ChipSelect] &= ~(mem_mask << 16);
m_csb[ChipSelect] |= (data & mem_mask) << 16;
}
template<int ChipSelect>
u16 mc68328_device::csb_lsw_r() // 0x116, 0x126, 0x136, 0x146
{
LOGMASKED(LOG_CS_SEL, "%s: csb_lsw_r: CSB%d(LSW): %04x\n", machine().describe_context(), ChipSelect, (u16)m_csb[ChipSelect]);
return (u16)m_csb[ChipSelect];
}
template<int ChipSelect>
void mc68328_device::csc_msw_w(offs_t offset, u16 data, u16 mem_mask) // 0x130, 0x134, 0x138, 0x13c
{
LOGMASKED(LOG_CS_SEL, "%s: csc_msw_w<%d>: CSC%d(MSW) = %04x\n", machine().describe_context(), ChipSelect, ChipSelect, data);
m_csc[ChipSelect] &= 0xffff0000 | (~mem_mask);
m_csc[ChipSelect] |= data & mem_mask;
}
template<int ChipSelect>
u16 mc68328_device::csc_msw_r() // 0x118, 0x128, 0x138, 0x148
{
LOGMASKED(LOG_CS_SEL, "%s: csc_msw_r: CSC%d(MSW): %04x\n", machine().describe_context(), ChipSelect, (u16)(m_csc[ChipSelect] >> 16));
return (u16)(m_csc[ChipSelect] >> 16);
}
template<int ChipSelect>
void mc68328_device::csc_lsw_w(offs_t offset, u16 data, u16 mem_mask) // 0x132, 0x136, 0x13a, 0x13e
{
LOGMASKED(LOG_CS_SEL, "%s: csc_lsw_w<%d>: CSC%d(LSW) = %04x\n", machine().describe_context(), ChipSelect, ChipSelect, data);
m_csc[ChipSelect] &= ~(mem_mask << 16);
m_csc[ChipSelect] |= (data & mem_mask) << 16;
}
template<int ChipSelect>
u16 mc68328_device::csc_lsw_r() // 0x11a, 0x12a, 0x13a, 0x14a
{
LOGMASKED(LOG_CS_SEL, "%s: csc_lsw_r: CSC%d(LSW): %04x\n", machine().describe_context(), ChipSelect, (u16)m_csc[ChipSelect]);
return (u16)m_csc[ChipSelect];
}
template<int ChipSelect>
void mc68328_device::csd_msw_w(offs_t offset, u16 data, u16 mem_mask) // 0x140, 0x144, 0x148, 0x14c
{
LOGMASKED(LOG_CS_SEL, "%s: csd_msw_w<%d>: CSD%d(MSW) = %04x\n", machine().describe_context(), ChipSelect, ChipSelect, data);
m_csd[ChipSelect] &= 0xffff0000 | (~mem_mask);
m_csd[ChipSelect] |= data & mem_mask;
}
template<int ChipSelect>
u16 mc68328_device::csd_msw_r() // 0x11c, 0x12c, 0x13c, 0x14c
{
LOGMASKED(LOG_CS_SEL, "%s: csd_msw_r: CSD%d(MSW): %04x\n", machine().describe_context(), ChipSelect, (u16)(m_csd[ChipSelect] >> 16));
return (u16)(m_csd[ChipSelect] >> 16);
}
template<int ChipSelect>
void mc68328_device::csd_lsw_w(offs_t offset, u16 data, u16 mem_mask) // 0x142, 0x146, 0x14a, 0x14e
{
LOGMASKED(LOG_CS_SEL, "%s: csd_lsw_w<%d>: CSD%d(LSW) = %04x\n", machine().describe_context(), ChipSelect, ChipSelect, data);
m_csd[ChipSelect] &= ~(mem_mask << 16);
m_csd[ChipSelect] |= (data & mem_mask) << 16;
}
template<int ChipSelect>
u16 mc68328_device::csd_lsw_r() // 0x11e, 0x12e, 0x13e, 0x14e
{
LOGMASKED(LOG_CS_SEL, "%s: csd_lsw_r: CSD%d(LSW): %04x\n", machine().describe_context(), ChipSelect, (u16)m_csd[ChipSelect]);
return (u16)m_csd[ChipSelect];
}
//-------------------------------------------------
// MMU/chip-select hardware - EZ variant
//-------------------------------------------------
u8 mc68ez328_device::revision_r(offs_t offset)
{
LOGMASKED(LOG_PLL, "%s: revision_r: Silicon Revision[%d] = %02x\n", machine().describe_context(), offset, 0x01);
return 0x01;
}
void mc68ez328_device::csa_w(offs_t offset, u16 data, u16 mem_mask)
{
static const char *const SIZ_NAMES[8] = { "128K", "256K", "512K", "1M", "2M", "4M", "8M", "16M" };
static const char *const WS_NAMES[8] = { "None", "1", "2", "3", "4", "5", "6", "External /DTACK" };
LOGMASKED(LOG_CS_SEL, "%s: csa_w: CSA = %04x\n", machine().describe_context(), data);
LOGMASKED(LOG_CS_SEL, "%s: Enable: %d\n", machine().describe_context(), BIT(data, CS_EN_BIT));
LOGMASKED(LOG_CS_SEL, "%s: Chip-Select Size: %s\n", machine().describe_context(), SIZ_NAMES[(data & CS_SIZ_MASK) >> CS_SIZ_SHIFT]);
LOGMASKED(LOG_CS_SEL, "%s: Wait States: %s\n", machine().describe_context(), WS_NAMES[(data & CS_WS_MASK) >> CS_WS_SHIFT]);
LOGMASKED(LOG_CS_SEL, "%s: Bus Width: %d Bits\n", machine().describe_context(), BIT(data, CS_BSW_BIT) ? 16 : 8);
LOGMASKED(LOG_CS_SEL, "%s: Delay /LWE and /UWE for Flash: %s\n", machine().describe_context(), BIT(data, CS_FLASH_BIT) ? "Yes" : "No");
LOGMASKED(LOG_CS_SEL, "%s: Read-Only: %d\n", machine().describe_context(), BIT(data, CS_RO_BIT));
m_csa = data;
}
u16 mc68ez328_device::csa_r()
{
LOGMASKED(LOG_CS_SEL, "%s: csa_r: CSA: %04x\n", machine().describe_context(), m_csa);
return m_csa;
}
void mc68ez328_device::csb_w(offs_t offset, u16 data, u16 mem_mask)
{
static const char *const SIZ_NAMES[8] = { "128K", "256K", "512K", "1M", "2M", "4M", "8M", "16M" };
static const char *const WS_NAMES[8] = { "None", "1", "2", "3", "4", "5", "6", "External /DTACK" };
LOGMASKED(LOG_CS_SEL, "%s: csb_w: CSB = %04x\n", machine().describe_context(), data);
LOGMASKED(LOG_CS_SEL, "%s: Enable: %d\n", machine().describe_context(), BIT(data, CS_EN_BIT));
LOGMASKED(LOG_CS_SEL, "%s: Chip-Select Size: %s\n", machine().describe_context(), SIZ_NAMES[(data & CS_SIZ_MASK) >> CS_SIZ_SHIFT]);
LOGMASKED(LOG_CS_SEL, "%s: Wait States: %s\n", machine().describe_context(), WS_NAMES[(data & CS_WS_MASK) >> CS_WS_SHIFT]);
LOGMASKED(LOG_CS_SEL, "%s: Bus Width: %d Bits\n", machine().describe_context(), BIT(data, CS_BSW_BIT) ? 16 : 8);
LOGMASKED(LOG_CS_SEL, "%s: Delay /LWE and /UWE for Flash: %s\n", machine().describe_context(), BIT(data, CS_FLASH_BIT) ? "Yes" : "No");
LOGMASKED(LOG_CS_SEL, "%s: Unprotected Block Size: %dK\n", machine().describe_context(), 32 << ((data & CS_UPSIZ_MASK) >> CS_UPSIZ_SHIFT));
LOGMASKED(LOG_CS_SEL, "%s: Read-Only for Protected Block: %d\n", machine().describe_context(), BIT(data, CS_ROP_BIT));
LOGMASKED(LOG_CS_SEL, "%s: Supervisor-Only for Protected Block: %d\n", machine().describe_context(), BIT(data, CS_SOP_BIT));
LOGMASKED(LOG_CS_SEL, "%s: Read-Only: %d\n", machine().describe_context(), BIT(data, CS_RO_BIT));
m_csb = data;
}
u16 mc68ez328_device::csb_r()
{
LOGMASKED(LOG_CS_SEL, "%s: csb_r: CSB: %04x\n", machine().describe_context(), m_csb);
return m_csb;
}
void mc68ez328_device::csc_w(offs_t offset, u16 data, u16 mem_mask)
{
static const char *const SIZ_NAMES[8] = { "32K", "64K", "128K", "256K", "512K", "1M", "2M", "4M" };
static const char *const WS_NAMES[8] = { "None", "1", "2", "3", "4", "5", "6", "External /DTACK" };
LOGMASKED(LOG_CS_SEL, "%s: csc_w: CSC = %04x\n", machine().describe_context(), data);
LOGMASKED(LOG_CS_SEL, "%s: Enable: %d\n", machine().describe_context(), BIT(data, CS_EN_BIT));
LOGMASKED(LOG_CS_SEL, "%s: Chip-Select Size: %s\n", machine().describe_context(), SIZ_NAMES[(data & CS_SIZ_MASK) >> CS_SIZ_SHIFT]);
LOGMASKED(LOG_CS_SEL, "%s: Wait States: %s\n", machine().describe_context(), WS_NAMES[(data & CS_WS_MASK) >> CS_WS_SHIFT]);
LOGMASKED(LOG_CS_SEL, "%s: Bus Width: %d Bits\n", machine().describe_context(), BIT(data, CS_BSW_BIT) ? 16 : 8);
LOGMASKED(LOG_CS_SEL, "%s: Delay /LWE and /UWE for Flash: %s\n", machine().describe_context(), BIT(data, CS_FLASH_BIT) ? "Yes" : "No");
LOGMASKED(LOG_CS_SEL, "%s: Unprotected Block Size: %dK\n", machine().describe_context(), 32 << ((data & CS_UPSIZ_MASK) >> CS_UPSIZ_SHIFT));
LOGMASKED(LOG_CS_SEL, "%s: Read-Only for Protected Block: %d\n", machine().describe_context(), BIT(data, CS_ROP_BIT));
LOGMASKED(LOG_CS_SEL, "%s: Supervisor-Only for Protected Block: %d\n", machine().describe_context(), BIT(data, CS_SOP_BIT));
LOGMASKED(LOG_CS_SEL, "%s: Read-Only: %d\n", machine().describe_context(), BIT(data, CS_RO_BIT));
m_csc = data;
}
u16 mc68ez328_device::csc_r()
{
LOGMASKED(LOG_CS_SEL, "%s: csc_r: CSC: %04x\n", machine().describe_context(), m_csc);
return m_csc;
}
void mc68ez328_device::csd_w(offs_t offset, u16 data, u16 mem_mask)
{
static const char *const SIZ_NAMES[8] = { "32K", "64K", "128K", "256K", "512K", "1M", "2M", "4M" };
static const char *const WS_NAMES[8] = { "None", "1", "2", "3", "4", "5", "6", "External /DTACK" };
LOGMASKED(LOG_CS_SEL, "%s: csd_w: CSD = %04x\n", machine().describe_context(), data);
LOGMASKED(LOG_CS_SEL, "%s: Enable: %d\n", machine().describe_context(), BIT(data, CS_EN_BIT));
LOGMASKED(LOG_CS_SEL, "%s: Chip-Select Size: %s\n", machine().describe_context(), SIZ_NAMES[(data & CS_SIZ_MASK) >> CS_SIZ_SHIFT]);
LOGMASKED(LOG_CS_SEL, "%s: Wait States: %s\n", machine().describe_context(), WS_NAMES[(data & CS_WS_MASK) >> CS_WS_SHIFT]);
LOGMASKED(LOG_CS_SEL, "%s: Bus Width: %d Bits\n", machine().describe_context(), BIT(data, CS_BSW_BIT) ? 16 : 8);
LOGMASKED(LOG_CS_SEL, "%s: Delay /LWE and /UWE for Flash: %s\n", machine().describe_context(), BIT(data, CS_FLASH_BIT) ? "Yes" : "No");
LOGMASKED(LOG_CS_SEL, "%s: DRAM Selection: %s\n", machine().describe_context(), BIT(data, CS_DRAM_BIT) ? "Select /CAS and /RAS" : "Select /CSC[1:0] and /CSD[1:0]");
LOGMASKED(LOG_CS_SEL, "%s: Use /RAS0 for /RAS1: %s\n", machine().describe_context(), BIT(data, CS_COMB_BIT) ? "Yes" : "No");
LOGMASKED(LOG_CS_SEL, "%s: Unprotected Block Size: %dK\n", machine().describe_context(), 32 << ((data & CS_UPSIZ_MASK) >> CS_UPSIZ_SHIFT));
LOGMASKED(LOG_CS_SEL, "%s: Read-Only for Protected Block: %d\n", machine().describe_context(), BIT(data, CS_ROP_BIT));
LOGMASKED(LOG_CS_SEL, "%s: Supervisor-Only for Protected Block: %d\n", machine().describe_context(), BIT(data, CS_SOP_BIT));
LOGMASKED(LOG_CS_SEL, "%s: Read-Only: %d\n", machine().describe_context(), BIT(data, CS_RO_BIT));
m_csd = data;
}
u16 mc68ez328_device::csd_r()
{
LOGMASKED(LOG_CS_SEL, "%s: csd_r: CSD: %04x\n", machine().describe_context(), m_csd);
return m_csd;
}
void mc68ez328_device::emucs_w(offs_t offset, u16 data, u16 mem_mask)
{
static const char *const WS_NAMES[8] = { "None", "1", "2", "3", "4", "5", "6", "External /DTACK" };
LOGMASKED(LOG_CS_SEL, "%s: emucs_w: EMUCS = %04x\n", machine().describe_context(), data);
LOGMASKED(LOG_CS_SEL, "%s: Wait States: %s\n", machine().describe_context(), WS_NAMES[(data & CS_WS_MASK) >> CS_WS_SHIFT]);
m_emucs = data;
}
u16 mc68ez328_device::emucs_r()
{
LOGMASKED(LOG_CS_SEL, "%s: emucs_r: EMUCS: %04x\n", machine().describe_context(), m_emucs);
return m_emucs;
}
//-------------------------------------------------
// PLL/power hardware
//-------------------------------------------------
TIMER_CALLBACK_MEMBER(mc68328_base_device::refclk_tick)
{
m_pllfsr ^= 0x8000;
}
void mc68328_base_device::pllcr_w(u16 data) // 0x200
{
LOGMASKED(LOG_PLL, "%s: pllcr_w: PLLCR = %04x\n", machine().describe_context(), data);
m_pllcr = data;
}
u16 mc68328_base_device::pllcr_r() // 0x200
{
LOGMASKED(LOG_PLL, "%s: pllcr_r: PLLCR: %04x\n", machine().describe_context(), m_pllcr);
return m_pllcr;
}
void mc68328_base_device::pllfsr_w(u16 data) // 0x202
{
LOGMASKED(LOG_PLL, "%s: pllfsr_w: PLLFSR = %04x\n", machine().describe_context(), data);
m_pllfsr = data;
}
u16 mc68328_base_device::pllfsr_r() // 0x202
{
LOGMASKED(LOG_PLL, "%s: pllfsr_r: PLLFSR: %04x\n", machine().describe_context(), m_pllfsr);
return m_pllfsr;
}
void mc68328_base_device::pctlr_w(u8 data) // 0x207
{
LOGMASKED(LOG_PLL, "%s: pctlr_w: PCTLR = %02x\n", machine().describe_context(), data);
m_pctlr = data;
}
u8 mc68328_base_device::pctlr_r() // 0x207
{
LOGMASKED(LOG_PLL, "%s: pctlr_r: PCTLR: %02x\n", machine().describe_context(), m_pctlr);
return m_pctlr;
}
//-------------------------------------------------
// Interrupt-related hardware - standard MC68328
//-------------------------------------------------
void mc68328_base_device::update_ipr_state(u32 changed_mask)
{
const int irq_level = get_irq_level_for_mask(changed_mask);
const u32 irq_mask = get_irq_mask_for_level(irq_level);
if (!irq_level || !irq_mask)
{
return;
}
if (m_ipr & changed_mask)
{
// If a pending interrupt has changed, it's not masked, and it's not currently in service, raise the corresponding 68k IRQ line and mark it as
// in-service.
if ((~m_imr & irq_mask) && !(m_gisr & changed_mask))
{
m_gisr |= changed_mask;
set_input_line(irq_level, ASSERT_LINE);
}
}
else
{
m_gisr &= ~changed_mask;
// If there are no other pending, unmasked interrupts at this level, lower the corresponding 68k IRQ line.
if (!(m_ipr & ~m_imr & irq_mask))
{
set_input_line(irq_level, CLEAR_LINE);
}
}
}
void mc68328_base_device::update_imr_state(u32 changed_mask)
{
int irq_level = get_irq_level_for_mask(changed_mask);
u32 irq_mask = get_irq_mask_for_level(irq_level);
u32 level_mask = irq_mask & changed_mask;
while (irq_level && irq_mask)
{
if (m_ipr & ~m_gisr & ~m_imr & level_mask)
{
// If a newly-unmasked interrupt is pending and not currently in-service, raise the relevant line.
m_gisr |= level_mask;
set_input_line(irq_level, ASSERT_LINE);
}
else if (m_gisr & m_imr & level_mask)
{
// If a newly-masked interrupt is in-service, lower the relevant line.
set_input_line(irq_level, CLEAR_LINE);
}
changed_mask &= ~irq_mask;
irq_level = get_irq_level_for_mask(changed_mask);
irq_mask = get_irq_mask_for_level(irq_level);
level_mask = irq_mask & changed_mask;
}
}
void mc68328_base_device::set_interrupt_line(u32 line, u32 active)
{
const u32 mask = 1 << line;
if (active)
{
m_ipr |= mask;
}
else
{
m_ipr &= ~mask;
}
update_ipr_state(mask);
}
int mc68328_device::get_irq_level_for_mask(u32 mask)
{
constexpr u32 IRQ_MASKS[8] =
{
0,
INT_IRQ1_MASK,
INT_IRQ2_MASK,
INT_IRQ3_MASK,
INT_INT0_MASK | INT_INT1_MASK | INT_INT2_MASK | INT_INT3_MASK | INT_INT4_MASK | INT_INT5_MASK | INT_INT6_MASK | INT_INT7_MASK
| INT_PWM_MASK | INT_KB_MASK | INT_RTC_MASK | INT_WDT_MASK | INT_UART_MASK | INT_TIMER2_MASK | INT_SPIM_MASK,
INT_IRQ5_MASK,
INT_IRQ6_MASK | INT_TIMER1_MASK | INT_SPIS_MASK,
INT_IRQ7_MASK
};
for (int level = 7; level >= 1; level--)
{
if (IRQ_MASKS[level] & mask)
{
return level;
}
}
return 0;
}
u32 mc68328_device::get_irq_mask_for_level(int level)
{
constexpr u32 IRQ_MASKS[8] =
{
0,
INT_IRQ1_MASK,
INT_IRQ2_MASK,
INT_IRQ3_MASK,
INT_INT0_MASK | INT_INT1_MASK | INT_INT2_MASK | INT_INT3_MASK | INT_INT4_MASK | INT_INT5_MASK | INT_INT6_MASK | INT_INT7_MASK
| INT_PWM_MASK | INT_KB_MASK | INT_RTC_MASK | INT_WDT_MASK | INT_UART_MASK | INT_TIMER2_MASK | INT_SPIM_MASK,
INT_IRQ5_MASK,
INT_IRQ6_MASK | INT_TIMER1_MASK | INT_SPIS_MASK,
INT_IRQ7_MASK
};
if (level >= 0 && level <= 7)
{
return IRQ_MASKS[level];
}
return 0;
}
void mc68328_base_device::irq5_w(int state)
{
set_interrupt_line(INT_IRQ5, state);
}
u8 mc68328_base_device::irq_callback(offs_t offset)
{
return m_ivr | offset;
}
void mc68328_base_device::ivr_w(u8 data) // 0x300
{
LOGMASKED(LOG_INTS, "%s: ivr_w: IVR = %02x\n", machine().describe_context(), data);
m_ivr = data;
}
u8 mc68328_base_device::ivr_r() // 0x300
{
LOGMASKED(LOG_INTS, "%s: ivr_r: IVR: %02x\n", machine().describe_context(), m_ivr);
return m_ivr;
}
void mc68328_base_device::icr_w(u8 data) // 0x302
{
LOGMASKED(LOG_INTS, "%s: icr_w: ICR = %02x\n", machine().describe_context(), data);
m_icr = data;
}
u16 mc68328_base_device::icr_r() // 0x302
{
LOGMASKED(LOG_INTS, "%s: icr_r: ICR: %04x\n", machine().describe_context(), m_icr);
return m_icr;
}
void mc68328_base_device::imr_msw_w(offs_t offset, u16 data, u16 mem_mask) // 0x304
{
const u32 imr_old = m_imr;
LOGMASKED(LOG_INTS, "%s: imr_msw_w: IMR(MSW) = %04x\n", machine().describe_context(), data);
m_imr &= ~(mem_mask << 16);
m_imr |= (data & mem_mask) << 16;
update_imr_state(imr_old ^ m_imr);
}
u16 mc68328_base_device::imr_msw_r() // 0x304
{
LOGMASKED(LOG_INTS, "%s: imr_msw_r: IMR(MSW): %04x\n", machine().describe_context(), (u16)(m_imr >> 16));
return (u16)(m_imr >> 16);
}
void mc68328_base_device::imr_lsw_w(offs_t offset, u16 data, u16 mem_mask) // 0x306
{
const u32 imr_old = m_imr;
LOGMASKED(LOG_INTS, "%s: imr_lsw_w: IMR(LSW) = %04x\n", machine().describe_context(), data);
m_imr &= 0xffff0000 | (~mem_mask);
m_imr |= data & mem_mask;
update_imr_state(imr_old ^ m_imr);
}
u16 mc68328_base_device::imr_lsw_r() // 0x306
{
LOGMASKED(LOG_INTS, "%s: imr_lsw_r: IMR(LSW): %04x\n", machine().describe_context(), (u16)m_imr);
return (u16)m_imr;
}
void mc68328_device::iwr_msw_w(offs_t offset, u16 data, u16 mem_mask) // 0x308
{
LOGMASKED(LOG_INTS, "%s: iwr_msw_w: IWR(MSW) = %04x\n", machine().describe_context(), data);
m_iwr &= ~(mem_mask << 16);
m_iwr |= (data & mem_mask) << 16;
}
u16 mc68328_device::iwr_msw_r() // 0x308
{
LOGMASKED(LOG_INTS, "%s: iwr_msw_r: IWR(MSW): %04x\n", machine().describe_context(), (u16)(m_iwr >> 16));
return (u16)(m_iwr >> 16);
}
void mc68328_device::iwr_lsw_w(offs_t offset, u16 data, u16 mem_mask) // 0x30a
{
LOGMASKED(LOG_INTS, "%s: iwr_lsw_w: IWR(LSW) = %04x\n", machine().describe_context(), data);
m_iwr &= 0xffff0000 | (~mem_mask);
m_iwr |= data & mem_mask;
}
u16 mc68328_device::iwr_lsw_r() // 0x30a
{
LOGMASKED(LOG_INTS, "%s: iwr_lsw_r: IWR(LSW): %04x\n", machine().describe_context(), (u16)m_iwr);
return (u16)m_iwr;
}
void mc68328_base_device::isr_msw_w(offs_t offset, u16 data, u16 mem_mask) // 0x30c
{
LOGMASKED(LOG_INTS, "%s: isr_msw_w: ISR(MSW) = %04x\n", machine().describe_context(), data);
// Clear edge-triggered IRQ1
if ((m_icr & ICR_ET1) == ICR_ET1 && ((data << 16) & INT_IRQ1_MASK) == INT_IRQ1_MASK)
{
m_gisr &= ~INT_IRQ1_MASK;
}
// Clear edge-triggered IRQ2
if ((m_icr & ICR_ET2) == ICR_ET2 && ((data << 16) & INT_IRQ2_MASK) == INT_IRQ2_MASK)
{
m_gisr &= ~INT_IRQ2_MASK;
}
// Clear edge-triggered IRQ3
if ((m_icr & ICR_ET3) == ICR_ET3 && ((data << 16) & INT_IRQ3_MASK) == INT_IRQ3_MASK)
{
m_gisr &= ~INT_IRQ3_MASK;
}
// Clear edge-triggered IRQ6
if ((m_icr & ICR_ET6) == ICR_ET6 && ((data << 16) & INT_IRQ6_MASK) == INT_IRQ6_MASK)
{
m_gisr &= ~INT_IRQ6_MASK;
}
// Clear edge-triggered IRQ7
if (((data << 16) & INT_IRQ7_MASK) == INT_IRQ7_MASK)
{
m_gisr &= ~INT_IRQ7_MASK;
}
}
u16 mc68328_base_device::isr_msw_r() // 0x30c
{
LOGMASKED(LOG_INTS, "%s: isr_msw_r: ISR(MSW): %04x\n", machine().describe_context(), (u16)(m_gisr >> 16));
return (u16)(m_gisr >> 16);
}
void mc68328_base_device::isr_lsw_w(offs_t offset, u16 data, u16 mem_mask) // 0x30e
{
LOGMASKED(LOG_INTS, "%s: isr_lsw_w: ISR(LSW) = %04x (Ignored)\n", machine().describe_context(), data);
}
u16 mc68328_base_device::isr_lsw_r() // 0x30e
{
LOGMASKED(LOG_INTS, "%s: isr_lsw_r: ISR(LSW): %04x\n", machine().describe_context(), (u16)m_gisr);
return (u16)m_gisr;
}
void mc68328_base_device::ipr_msw_w(offs_t offset, u16 data, u16 mem_mask) // 0x310
{
LOGMASKED(LOG_INTS, "%s: ipr_msw_w: IPR(MSW) = %04x (Ignored)\n", machine().describe_context(), data);
}
u16 mc68328_base_device::ipr_msw_r() // 0x310
{
LOGMASKED(LOG_INTS, "%s: ipr_msw_r: IPR(MSW): %04x\n", machine().describe_context(), (u16)(m_ipr >> 16));
return (u16)(m_ipr >> 16);
}
void mc68328_base_device::ipr_lsw_w(offs_t offset, u16 data, u16 mem_mask) // 0x312
{
LOGMASKED(LOG_INTS, "%s: ipr_lsw_w: IPR(LSW) = %04x (Ignored)\n", machine().describe_context(), data);
}
u16 mc68328_base_device::ipr_lsw_r() // 0x312
{
LOGMASKED(LOG_INTS, "%s: ipr_lsw_r: IPR(LSW): %04x\n", machine().describe_context(), (u16)m_ipr);
return (u16)m_ipr;
}
//-------------------------------------------------
// Interrupt-related hardware - EZ variant
//-------------------------------------------------
int mc68ez328_device::get_irq_level_for_mask(u32 mask)
{
constexpr u32 IRQ_MASKS[8] =
{
0,
INT_IRQ1_MASK,
INT_IRQ2_MASK,
INT_IRQ3_MASK,
INT_INT0_MASK | INT_INT1_MASK | INT_INT2_MASK | INT_INT3_MASK | INT_INT4_MASK | INT_INT5_MASK | INT_INT6_MASK | INT_INT7_MASK
| INT_KB_MASK | INT_RTC_MASK | INT_WDT_MASK | INT_UART_MASK | INT_SPIM_MASK,
INT_IRQ5_MASK,
INT_PWM_MASK | INT_TIMER2_MASK | INT_SPIS_MASK,
INT_MEMIQ_MASK,
};
for (int level = 1; level <= 7; level++)
{
if (IRQ_MASKS[level] & mask)
{
return level;
}
}
return 0;
}
u32 mc68ez328_device::get_irq_mask_for_level(int level)
{
constexpr u32 IRQ_MASKS[8] =
{
0,
INT_IRQ1_MASK,
INT_IRQ2_MASK,
INT_IRQ3_MASK,
INT_INT0_MASK | INT_INT1_MASK | INT_INT2_MASK | INT_INT3_MASK | INT_INT4_MASK | INT_INT5_MASK | INT_INT6_MASK | INT_INT7_MASK
| INT_KB_MASK | INT_RTC_MASK | INT_WDT_MASK | INT_UART_MASK | INT_SPIM_MASK,
INT_IRQ5_MASK,
INT_PWM_MASK | INT_TIMER2_MASK | INT_SPIS_MASK,
INT_MEMIQ_MASK,
};
if (level >= 0 && level <= 7)
{
return IRQ_MASKS[level];
}
return 0;
}
//-------------------------------------------------
// GPIO hardware - Port A
//-------------------------------------------------
void mc68328_base_device::padir_w(u8 data) // 0x400
{
LOGMASKED(LOG_GPIO_A, "%s: padir_w: PADIR = %02x\n", machine().describe_context(), data);
m_padir = data;
}
u8 mc68328_base_device::padir_r() // 0x400
{
LOGMASKED(LOG_GPIO_A, "%s: mc68328_r: PADIR: %02x\n", machine().describe_context(), m_padir);
return m_padir;
}
void mc68328_base_device::padata_w(u8 data) // 0x401
{
LOGMASKED(LOG_GPIO_A, "%s: padata_w: PADATA = %02x\n", machine().describe_context(), data);
m_padata = data;
for (int i = 0; i < 8; i++)
{
if (BIT(m_padir & m_pasel, i))
{
m_out_port_a_cb[i](BIT(m_padata, i));
}
}
}
u8 mc68328_base_device::padata_r() // 0x401
{
u8 data = 0;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pasel, i))
{
if (BIT(m_padir, i))
{
data |= m_padata & (1 << i);
}
else if (!m_in_port_a_cb[i].isunset())
{
data |= m_in_port_a_cb[i]() << i;
}
}
}
LOGMASKED(LOG_GPIO_A, "%s: padata_r: PADATA: %02x\n", machine().describe_context(), data);
return data;
}
void mc68328_device::pasel_w(u8 data) // 0x403
{
LOGMASKED(LOG_GPIO_A, "%s: pasel_w: PASEL = %02x\n", machine().describe_context(), data);
m_pasel = data;
}
u8 mc68328_device::pasel_r() // 0x403
{
LOGMASKED(LOG_GPIO_A, "%s: mc68328_r: PASEL: %02x\n", machine().describe_context(), m_pasel);
return m_pasel;
}
//-------------------------------------------------
// GPIO hardware - Port B
//-------------------------------------------------
void mc68328_base_device::pbdir_w(u8 data) // 0x408
{
LOGMASKED(LOG_GPIO_B, "%s: pbdir_w: PBDIR = %02x\n", machine().describe_context(), data);
m_pbdir = data;
}
u8 mc68328_base_device::pbdir_r() // 0x408
{
LOGMASKED(LOG_GPIO_B, "%s: pbdir_r: PBDIR: %02x\n", machine().describe_context(), m_pbdir);
return m_pbdir;
}
void mc68328_base_device::pbdata_w(u8 data) // 0x409
{
LOGMASKED(LOG_GPIO_B, "%s: pbdata_w: PBDATA = %02x (outputing %02x)\n", machine().describe_context(), data, data & m_pbdir & m_pbsel);
m_pbdata = data;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pbdir & m_pbsel, i))
{
m_out_port_b_cb[i](BIT(m_pbdata, i));
}
}
}
u8 mc68328_base_device::pbdata_r() // 0x409
{
u8 data = 0;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pbsel, i))
{
if (BIT(m_pbdir, i))
{
data |= m_pbdata & (1 << i);
}
else if (!m_in_port_b_cb[i].isunset())
{
data |= m_in_port_b_cb[i]() << i;
}
}
}
LOGMASKED(LOG_GPIO_B, "%s: pbdata_r: PBDATA: %02x\n", machine().describe_context(), data);
return data;
}
void mc68328_base_device::pbsel_w(u8 data) // 0x40b
{
LOGMASKED(LOG_GPIO_B, "%s: pbsel_w: PBSEL = %02x\n", machine().describe_context(), data);
m_pbsel = data;
}
u8 mc68328_base_device::pbsel_r() // 0x40b
{
LOGMASKED(LOG_GPIO_B, "%s: pbsel_r: PBSEL: %02x\n", machine().describe_context(), m_pbsel);
return m_pbsel;
}
//-------------------------------------------------
// GPIO hardware - Port C
//-------------------------------------------------
void mc68328_base_device::pcdir_w(u8 data) // 0x410
{
LOGMASKED(LOG_GPIO_C, "%s: pcdir_w: PCDIR = %02x\n", machine().describe_context(), data);
m_pcdir = data;
}
u8 mc68328_base_device::pcdir_r() // 0x410
{
LOGMASKED(LOG_GPIO_C, "%s: pcdir_r: PCDIR: %02x\n", machine().describe_context(), m_pcdir);
return m_pcdir;
}
void mc68328_base_device::pcdata_w(u8 data) // 0x411
{
LOGMASKED(LOG_GPIO_C, "%s: pcdata_w: PCDATA = %02x (outputing %02x)\n", machine().describe_context(), data, data & m_pcdir & m_pcsel);
m_pcdata = data;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pcdir & m_pcsel, i))
{
m_out_port_c_cb[i](BIT(m_pcdata, i));
}
else if (BIT(~m_pcdir & m_pcsel, i))
{
m_out_port_c_cb[i](1);
}
}
}
u8 mc68328_base_device::pcdata_r() // 0x411
{
u8 data = 0;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pcsel, i))
{
if (BIT(m_pcdir, i))
{
data |= m_pcdata & (1 << i);
}
else if (!m_in_port_c_cb[i].isunset())
{
data |= m_in_port_c_cb[i]() << i;
}
}
}
LOGMASKED(LOG_GPIO_C, "%s: pcdata_r: PCDATA: %02x\n", machine().describe_context(), data);
return data;
}
void mc68328_base_device::pcsel_w(u8 data) // 0x413
{
LOGMASKED(LOG_GPIO_C, "%s: pcsel_w: PCSEL = %02x\n", machine().describe_context(), data);
m_pcsel = data;
}
u8 mc68328_base_device::pcsel_r() // 0x413
{
LOGMASKED(LOG_GPIO_C, "%s: pcsel_r: PCSEL: %02x\n", machine().describe_context(), m_pcsel);
return m_pcsel;
}
//-------------------------------------------------
// GPIO hardware - Port D
//-------------------------------------------------
void mc68328_base_device::port_d_in_w(int state, int bit)
{
const u8 old_state = m_pdindata;
m_pdindata &= ~(1 << bit);
m_pdindata |= state << bit;
// If no bit has changed state, there's nothing to do.
if (old_state == m_pdindata)
{
return;
}
// If we're not edge-triggered, handle potential level-sensitive interrupts.
if (!BIT(m_pdirqedge, bit))
{
// If the new state is low while PDPOL is active-low (0) or vice-versa, assert the interrupt for this bit.
// Otherwise, clear it.
set_interrupt_line(INT_KBDINTS + bit, (int)(state == BIT(m_pdpol, bit)));
return;
}
set_interrupt_line(INT_KBDINTS + bit, 1);
}
void mc68328_base_device::pddir_w(u8 data) // 0x418
{
LOGMASKED(LOG_GPIO_D, "%s: pddir_w: PDDIR = %02x\n", machine().describe_context(), data);
m_pddir = data;
}
u8 mc68328_base_device::pddir_r() // 0x418
{
LOGMASKED(LOG_GPIO_D, "%s: pddir_r: PDDIR: %02x\n", machine().describe_context(), m_pddir);
return m_pddir;
}
void mc68328_base_device::pddata_w(u8 data) // 0x419
{
LOGMASKED(LOG_GPIO_D, "%s: pddata_w: PDDATA = %02x (outputing %02x)\n", machine().describe_context(), data, data & m_pddir);
m_pddata = data;
for (int bit = 0; bit < 4; bit++)
{
if (BIT(m_pdirqedge & data, bit))
{
set_interrupt_line(INT_KBDINTS + bit, 0);
}
}
for (int i = 0; i < 8; i++)
{
if (BIT(m_pddir, i))
{
m_out_port_d_cb[i](BIT(m_pddata, i));
}
}
}
u8 mc68328_base_device::pddata_r() // 0x419
{
u8 data = 0;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pddir, i))
{
data |= m_pddata & (1 << i);
}
else if (!m_in_port_d_cb[i].isunset())
{
data |= m_in_port_d_cb[i]() << i;
}
else
{
data |= m_pdpuen & (1 << i);
}
}
LOGMASKED(LOG_GPIO_D, "%s: pddata_r: PDDATA: %02x\n", machine().describe_context(), data);
return data;
}
void mc68328_base_device::pdpuen_w(u8 data) // 0x41a
{
LOGMASKED(LOG_GPIO_D, "%s: pdpuen_w: PDPUEN = %02x\n", machine().describe_context(), data);
m_pdpuen = data;
}
u8 mc68328_base_device::pdpuen_r() // 0x41a
{
LOGMASKED(LOG_GPIO_D, "%s: pdpuen_r: PDPUEN: %02x\n", machine().describe_context(), m_pdpuen);
return m_pdpuen;
}
void mc68328_base_device::pdpol_w(u8 data) // 0x41c
{
LOGMASKED(LOG_GPIO_D, "%s: pdpol_w: PDPOL = %02x\n", machine().describe_context(), data);
m_pdpol = data;
}
u8 mc68328_base_device::pdpol_r() // 0x41c
{
LOGMASKED(LOG_GPIO_D, "%s: pdpol_r: PDPOL: %02x\n", machine().describe_context(), m_pdpol);
return m_pdpol;
}
void mc68328_base_device::pdirqen_w(u8 data) // 0x41d
{
LOGMASKED(LOG_GPIO_D, "%s: pdirqen_w: PDIRQEN = %02x\n", machine().describe_context(), data);
m_pdirqen = data & 0x00ff;
}
u8 mc68328_base_device::pdirqen_r() // 0x41d
{
LOGMASKED(LOG_GPIO_D, "%s: pdirqen_r: PDIRQEN: %02x\n", machine().describe_context(), m_pdirqen);
return m_pdirqen;
}
void mc68328_base_device::pdirqedge_w(u8 data) // 0x41f
{
LOGMASKED(LOG_GPIO_D, "%s: pdirqedge_w: PDIRQEDGE = %02x\n", machine().describe_context(), data);
m_pdirqedge = data;
}
u8 mc68328_base_device::pdirqedge_r() // 0x41f
{
LOGMASKED(LOG_GPIO_D, "%s: pdirqedge_r: PDIRQEDGE: %02x\n", machine().describe_context(), m_pdirqedge);
return m_pdirqedge;
}
//-------------------------------------------------
// GPIO hardware - Port E
//-------------------------------------------------
void mc68328_base_device::pedir_w(u8 data) // 0x420
{
LOGMASKED(LOG_GPIO_E, "%s: pedir_w: PEDIR = %02x\n", machine().describe_context(), data);
m_pedir = data;
}
u8 mc68328_base_device::pedir_r() // 0x420
{
LOGMASKED(LOG_GPIO_E, "%s: pedir_r: PEDIR: %02x\n", machine().describe_context(), m_pedir);
return m_pedir;
}
void mc68328_base_device::pedata_w(u8 data) // 0x421
{
LOGMASKED(LOG_GPIO_E, "%s: pedata_w: PEDATA = %02x (outputing %02x)\n", machine().describe_context(), data, data & m_pedir & m_pesel);
m_pedata = data;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pedir & m_pesel, i))
{
m_out_port_e_cb[i](BIT(m_pedata, i));
}
}
}
u8 mc68328_base_device::pedata_r() // 0x421
{
u8 data = 0;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pesel, i))
{
if (BIT(m_pedir, i))
{
data |= m_pedata & (1 << i);
}
else if (!m_in_port_e_cb[i].isunset())
{
data |= m_in_port_e_cb[i]() << i;
}
else
{
data |= m_pepuen & (1 << i);
}
}
}
LOGMASKED(LOG_GPIO_E, "%s: pedata_r: PEDATA: %02x\n", machine().describe_context(), data);
return data;
}
void mc68328_base_device::pepuen_w(u8 data) // 0x422
{
LOGMASKED(LOG_GPIO_E, "%s: pepuen_w: PEPUEN = %02x\n", machine().describe_context(), data);
m_pepuen = data;
}
u8 mc68328_base_device::pepuen_r() // 0x422
{
LOGMASKED(LOG_GPIO_E, "%s: pepuen_r: PEPUEN: %02x\n", machine().describe_context(), m_pepuen);
return m_pepuen;
}
void mc68328_base_device::pesel_w(u8 data) // 0x423
{
LOGMASKED(LOG_GPIO_E, "%s: pesel_w: PESEL = %02x\n", machine().describe_context(), data);
m_pesel = data;
}
u8 mc68328_base_device::pesel_r() // 0x423
{
LOGMASKED(LOG_GPIO_E, "%s: pesel_r: PESEL: %02x\n", machine().describe_context(), m_pesel);
return m_pesel;
}
//-------------------------------------------------
// GPIO hardware - Port F
//-------------------------------------------------
void mc68328_base_device::pfdir_w(u8 data) // 0x428
{
LOGMASKED(LOG_GPIO_F, "%s: pfdir_w: PFDIR = %02x\n", machine().describe_context(), data);
m_pfdir = data;
}
u8 mc68328_base_device::pfdir_r() // 0x428
{
LOGMASKED(LOG_GPIO_F, "%s: pfdir_r: PFDIR: %02x\n", machine().describe_context(), m_pfdir);
return m_pfdir;
}
void mc68328_base_device::pfdata_w(u8 data) // 0x429
{
LOGMASKED(LOG_GPIO_F, "%s: pfdata_w: PFDATA = %02x (outputing %02x)\n", machine().describe_context(), data, data & m_pfdir & m_pfsel);
m_pfdata = data;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pfdir & m_pfsel, i))
{
m_out_port_f_cb[i](BIT(m_pfdata, i));
}
}
}
u8 mc68328_base_device::pfdata_r() // 0x429
{
u8 data = 0;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pfsel, i))
{
if (BIT(m_pfdir, i))
{
data |= m_pfdata & (1 << i);
}
else if (!m_in_port_f_cb[i].isunset())
{
data |= m_in_port_f_cb[i]() << i;
}
else
{
data |= m_pfpuen & (1 << i);
}
}
}
LOGMASKED(LOG_GPIO_F, "%s: pfdata_r: PFDATA: %02x\n", machine().describe_context(), data);
return data;
}
void mc68328_base_device::pfpuen_w(u8 data) // 0x42a
{
LOGMASKED(LOG_GPIO_F, "%s: pfpuen_w: PFPUEN = %02x\n", machine().describe_context(), data);
m_pfpuen = data;
}
u8 mc68328_base_device::pfpuen_r() // 0x42a
{
LOGMASKED(LOG_GPIO_F, "%s: pfpuen_r: PFPUEN: %02x\n", machine().describe_context(), m_pfpuen);
return m_pfpuen;
}
void mc68328_base_device::pfsel_w(u8 data) // 0x42b
{
LOGMASKED(LOG_GPIO_F, "%s: pfsel_w: PFSEL = %02x\n", machine().describe_context(), data);
m_pfsel = data;
}
u8 mc68328_base_device::pfsel_r() // 0x42b
{
LOGMASKED(LOG_GPIO_F, "%s: pfsel_r: PFSEL: %02x\n", machine().describe_context(), m_pfsel);
return m_pfsel;
}
//-------------------------------------------------
// GPIO hardware - Port G
//-------------------------------------------------
void mc68328_base_device::pgdir_w(u8 data) // 0x430
{
LOGMASKED(LOG_GPIO_G, "%s: pgdir_w: PGDIR = %02x\n", machine().describe_context(), data);
m_pgdir = data;
}
u8 mc68328_base_device::pgdir_r() // 0x430
{
LOGMASKED(LOG_GPIO_G, "%s: pgdir_r: PGDIR: %02x\n", machine().describe_context(), m_pgdir);
return m_pgdir;
}
void mc68328_base_device::pgdata_w(u8 data) // 0x431
{
LOGMASKED(LOG_GPIO_G, "%s: pgdata_w: PGDATA = %02x (outputing %02x)\n", machine().describe_context(), data, data & m_pgdir & m_pgsel);
m_pgdata = data;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pgdir & m_pgsel, i))
{
m_out_port_g_cb[i](BIT(m_pgdata, i));
}
}
}
u8 mc68328_base_device::pgdata_r() // 0x431
{
u8 data = 0;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pgsel, i))
{
if (BIT(m_pgdir, i))
{
data |= m_pgdata & (1 << i);
}
else if (!m_in_port_g_cb[i].isunset())
{
data |= m_in_port_g_cb[i]() << i;
}
else
{
data |= m_pgpuen & (1 << i);
}
}
}
LOGMASKED(LOG_GPIO_G, "%s: pgdata_r: PGDATA: %02x\n", machine().describe_context(), data);
return data;
}
void mc68328_base_device::pgpuen_w(u8 data) // 0x432
{
LOGMASKED(LOG_GPIO_G, "%s: pgpuen_w: PGPUEN = %02x\n", machine().describe_context(), data);
m_pgpuen = data;
}
u8 mc68328_base_device::pgpuen_r() // 0x432
{
LOGMASKED(LOG_GPIO_G, "%s: pgpuen_r: PGPUEN: %02x\n", machine().describe_context(), m_pgpuen);
return m_pgpuen;
}
void mc68328_base_device::pgsel_w(u8 data) // 0x433
{
LOGMASKED(LOG_GPIO_G, "%s: pgsel_w: PGSEL = %02x\n", machine().describe_context(), data);
m_pgsel = data;
}
u8 mc68328_base_device::pgsel_r() // 0x433
{
LOGMASKED(LOG_GPIO_G, "%s: pgsel_r: PGSEL: %02x\n", machine().describe_context(), m_pgsel);
return m_pgsel;
}
//-------------------------------------------------
// GPIO hardware - Port J
//-------------------------------------------------
void mc68328_device::pjdir_w(u8 data) // 0x438
{
LOGMASKED(LOG_GPIO_J, "%s: pjdir_w: PJDIR = %02x\n", machine().describe_context(), data);
m_pjdir = data;
}
u8 mc68328_device::pjdir_r() // 0x438
{
LOGMASKED(LOG_GPIO_J, "%s: pjdir_r: PJDIR: %02x\n", machine().describe_context(), m_pjdir);
return m_pjdir;
}
void mc68328_device::pjdata_w(u8 data) // 0x439
{
LOGMASKED(LOG_GPIO_J, "%s: pjdata_w: PJDATA = %02x\n", machine().describe_context(), data);
m_pjdata = data;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pjdir & m_pjsel, i))
{
m_out_port_j_cb[i](BIT(m_pjdata, i));
}
}
}
u8 mc68328_device::pjdata_r() // 0x439
{
u8 data = 0;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pjsel, i))
{
if (BIT(m_pjdir, i))
{
data |= m_pjdata & (1 << i);
}
else if (!m_in_port_j_cb[i].isunset())
{
data |= m_in_port_j_cb[i]() << i;
}
}
}
LOGMASKED(LOG_GPIO_J, "%s: pjdata_r: PJDATA: %02x\n", machine().describe_context(), data);
return data;
}
void mc68328_device::pjsel_w(u8 data) // 0x43b
{
LOGMASKED(LOG_GPIO_J, "%s: pjsel_w: PJSEL = %02x\n", machine().describe_context(), data);
m_pjsel = data;
}
u8 mc68328_device::pjsel_r() // 0x43b
{
LOGMASKED(LOG_GPIO_J, "%s: pjsel_r: PJSEL: %02x\n", machine().describe_context(), m_pjsel);
return m_pjsel;
}
//-------------------------------------------------
// GPIO hardware - Port K
//-------------------------------------------------
void mc68328_device::pkdir_w(u8 data) // 0x440
{
LOGMASKED(LOG_GPIO_K, "%s: pkdir_w: PKDIR = %02x\n", machine().describe_context(), data);
m_pkdir = data;
}
u8 mc68328_device::pkdir_r() // 0x440
{
LOGMASKED(LOG_GPIO_K, "%s: pkdir_r: PKDIR: %02x\n", machine().describe_context(), m_pkdir);
return m_pkdir;
}
void mc68328_device::pkdata_w(u8 data) // 0x441
{
LOGMASKED(LOG_GPIO_K, "%s: pkdata_w: PKDATA = %02x\n", machine().describe_context(), data);
m_pkdata = data;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pkdir & m_pksel, i))
{
m_out_port_k_cb[i](BIT(m_pkdata, i));
}
}
}
u8 mc68328_device::pkdata_r() // 0x441
{
u8 data = 0;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pksel, i))
{
if (BIT(m_pkdir, i))
{
data |= m_pkdata & (1 << i);
}
else if (!m_in_port_k_cb[i].isunset())
{
data |= m_in_port_k_cb[i]() << i;
}
else
{
data |= m_pkpuen & (1 << i);
}
}
}
LOGMASKED(LOG_GPIO_K, "%s: pkdata_r: PKDATA: %02x\n", machine().describe_context(), data);
return data;
}
void mc68328_device::pkpuen_w(u8 data) // 0x442
{
LOGMASKED(LOG_GPIO_K, "%s: pkpuen_w: PKPUEN = %02x\n", machine().describe_context(), data);
m_pkpuen = data;
}
u8 mc68328_device::pkpuen_r() // 0x442
{
LOGMASKED(LOG_GPIO_K, "%s: pkpuen_r: PKPUEN: %02x\n", machine().describe_context(), m_pkpuen);
return m_pkpuen;
}
void mc68328_device::pksel_w(u8 data) // 0x443
{
LOGMASKED(LOG_GPIO_K, "%s: pksel_w: PKSEL = %02x\n", machine().describe_context(), data);
m_pksel = data;
}
u8 mc68328_device::pksel_r() // 0x443
{
LOGMASKED(LOG_GPIO_K, "%s: pksel_r: PKSEL: %02x\n", machine().describe_context(), m_pksel);
return m_pksel;
}
//-------------------------------------------------
// GPIO hardware - Port M
//-------------------------------------------------
void mc68328_device::pmdir_w(u8 data) // 0x448
{
LOGMASKED(LOG_GPIO_M, "%s: pmdir_w: PMDIR = %02x\n", machine().describe_context(), data);
m_pmdir = data;
}
u8 mc68328_device::pmdir_r() // 0x448
{
LOGMASKED(LOG_GPIO_M, "%s: pmdir_r: PMDIR: %02x\n", machine().describe_context(), m_pmdir);
return m_pmdir;
}
void mc68328_device::pmdata_w(u8 data) // 0x449
{
LOGMASKED(LOG_GPIO_M, "%s: pmdata_w: PMDATA = %02x\n", machine().describe_context(), data);
m_pmdata = data;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pmdir & m_pmsel, i))
{
m_out_port_m_cb[i](BIT(m_pmdata, i));
}
}
}
u8 mc68328_device::pmdata_r() // 0x449
{
u8 data = 0;
for (int i = 0; i < 8; i++)
{
if (BIT(m_pmsel, i))
{
if (BIT(m_pmdir, i))
{
data |= m_pmdata & (1 << i);
}
else if (!m_in_port_m_cb[i].isunset())
{
data |= m_in_port_m_cb[i]() << i;
}
else
{
data |= m_pmpuen & (1 << i);
}
}
}
LOGMASKED(LOG_GPIO_M, "%s: pmdata_r: PMDATA: %02x\n", machine().describe_context(), data);
return data;
}
void mc68328_device::pmpuen_w(u8 data) // 0x44a
{
LOGMASKED(LOG_GPIO_M, "%s: pmpuen_w: PMPUEN = %02x\n", machine().describe_context(), data);
m_pmpuen = data;
}
u8 mc68328_device::pmpuen_r() // 0x44a
{
LOGMASKED(LOG_GPIO_M, "%s: pmpuen_r: PMPUEN: %02x\n", machine().describe_context(), m_pmpuen);
return m_pmpuen;
}
void mc68328_device::pmsel_w(u8 data) // 0x44b
{
LOGMASKED(LOG_GPIO_M, "%s: pmsel_w: PMSEL = %02x\n", machine().describe_context(), data);
m_pmsel = data;
}
u8 mc68328_device::pmsel_r() // 0x44b
{
LOGMASKED(LOG_GPIO_M, "%s: pmsel_r: PMSEL: %02x\n", machine().describe_context(), m_pmsel);
return m_pmsel;
}
//-------------------------------------------------
// PWM hardware - Standard MC68328
//-------------------------------------------------
TIMER_CALLBACK_MEMBER(mc68328_device::pwm_tick)
{
if (m_pwmw >= m_pwmp || !m_pwmw || !m_pwmp)
{
m_pwm->adjust(attotime::never);
return;
}
const u32 divisor = 4 << (m_pwmc & PWMC_CLKSEL);
if (((m_pwmc & PWMC_POL) == 0 && (m_pwmc & PWMC_PIN) != 0) ||
((m_pwmc & PWMC_POL) != 0 && (m_pwmc & PWMC_PIN) == 0))
{
attotime period = attotime::from_ticks((m_pwmp - m_pwmw) * divisor, clock());
m_pwm->adjust(period);
if (m_pwmc & PWMC_IRQ_EN)
{
set_interrupt_line(INT_PWM, 1);
}
}
else
{
attotime period = attotime::from_ticks(m_pwmw * divisor, clock());
m_pwm->adjust(period);
}
m_pwmc ^= PWMC_PIN;
m_out_pwm_cb((m_pwmc & PWMC_PIN) ? 1 : 0);
}
void mc68328_device::pwmc_w(u16 data) // 0x500
{
LOGMASKED(LOG_PWM, "%s: pwmc_w: PWMC = %04x\n", machine().describe_context(), data);
const u16 old_pwmc = m_pwmc;
m_pwmc = data;
const u16 changed = m_pwmc ^ old_pwmc;
if (m_pwmc & PWMC_IRQ)
{
set_interrupt_line(INT_PWM, 1);
}
if (changed & (PWMC_EN | PWMC_CLKSEL | PWMC_LOAD))
{
const bool enable_or_update = (changed & m_pwmc & PWMC_EN) || (m_pwmc & PWMC_LOAD);
if (enable_or_update && m_pwmw && m_pwmp)
{
const u32 divisor = 4 << (m_pwmc & PWMC_CLKSEL);
attotime period = attotime::from_ticks(m_pwmw * divisor, clock());
m_pwm->adjust(period);
if (m_pwmc & PWMC_IRQ_EN)
{
set_interrupt_line(INT_PWM, 1);
}
m_pwmc |= PWMC_PIN;
}
else
{
m_pwm->adjust(attotime::never);
}
}
m_pwmc &= ~PWMC_LOAD;
}
u16 mc68328_device::pwmc_r() // 0x500
{
const u16 data = m_pwmc;
LOGMASKED(LOG_PWM, "%s: pwmc_r: PWMC: %04x\n", machine().describe_context(), data);
if (m_pwmc & PWMC_IRQ)
{
m_pwmc &= ~PWMC_IRQ;
if (m_pwmc & PWMC_IRQ_EN)
{
set_interrupt_line(INT_PWM, 0);
}
}
return data;
}
void mc68328_device::pwmp_w(u16 data) // 0x502
{
LOGMASKED(LOG_PWM, "%s: pwmp_w: PWMP = %04x\n", machine().describe_context(), data);
m_pwmp = data;
}
u16 mc68328_device::pwmp_r() // 0x502
{
LOGMASKED(LOG_PWM, "%s: pwmp_r: PWMP: %04x\n", machine().describe_context(), m_pwmp);
return m_pwmp;
}
void mc68328_device::pwmw_w(u16 data) // 0x504
{
LOGMASKED(LOG_PWM, "%s: pwmw_w: PWMW = %04x\n", machine().describe_context(), data);
m_pwmw = data;
}
u16 mc68328_device::pwmw_r() // 0x504
{
LOGMASKED(LOG_PWM, "%s: pwmw_r: PWMW: %04x\n", machine().describe_context(), m_pwmw);
return m_pwmw;
}
void mc68328_device::pwmcnt_w(u16 data) // 0x506
{
LOGMASKED(LOG_PWM, "%s: pwmcnt_w: PWMCNT = %04x\n", machine().describe_context(), data);
m_pwmcnt = 0;
}
u16 mc68328_device::pwmcnt_r() // 0x506
{
LOGMASKED(LOG_PWM, "%s: pwmcnt_r: PWMCNT: %04x\n", machine().describe_context(), m_pwmcnt);
return m_pwmcnt;
}
//-------------------------------------------------
// PWM hardware - EZ variant
//-------------------------------------------------
TIMER_CALLBACK_MEMBER(mc68ez328_device::pwm_tick)
{
if (!(m_pwmc & PWMC_EN))
{
return;
}
if (!param)
{
m_pwm_rep_cnt--;
if (!m_pwm_rep_cnt)
{
m_pwm_rep_cnt = 1 << ((m_pwmc & PWMC_REPEAT) >> PWMC_REPEAT_SHIFT);
pwm_fifo_pop();
}
}
m_pwmo = param;
update_pwm_period(!m_pwmo);
m_out_pwm_cb((int)m_pwmo);
}
void mc68ez328_device::update_pwm_period(bool high_cycle)
{
const u32 frequency = (m_pwmc & PWMC_CLK_SRC) ? 32768 : clock();
const u32 prescale = ((m_pwmc & PWMC_PRESCALE) >> PWMC_PRESCALE_SHIFT) + 1;
const u32 divisor = 2 << (m_pwmc & PWMC_CLKSEL);
const u32 period_reg = (u32)std::min(m_pwmp + 1u, 0xffu);
u32 sample_period = period_reg;
if (m_pwmfifo[m_pwmfifo_rd] <= period_reg)
{
sample_period = high_cycle ? (period_reg - m_pwmfifo[m_pwmfifo_rd]) : m_pwmfifo[m_pwmfifo_rd];
sample_period++;
}
attotime period = attotime::from_ticks(prescale * divisor * sample_period, frequency);
m_pwm->adjust(period, (int)high_cycle);
}
void mc68ez328_device::pwm_fifo_push(u8 data)
{
if (m_pwmfifo_cnt >= std::size(m_pwmfifo))
{
return;
}
m_pwmfifo[m_pwmfifo_wr] = data;
m_pwmfifo_wr = (m_pwmfifo_wr + 1) % std::size(m_pwmfifo);
const u8 old_cnt = m_pwmfifo_cnt;
m_pwmfifo_cnt++;
if (m_pwmfifo_cnt == std::size(m_pwmfifo))
{
m_pwmc &= ~PWMC_FIFO_AV;
}
else if (old_cnt <= 1 && m_pwmfifo_cnt > 1)
{
if (m_pwmc & PWMC_IRQ)
{
m_pwmc &= ~PWMC_IRQ;
set_interrupt_line(INT_PWM, 0);
}
}
}
void mc68ez328_device::pwm_fifo_pop()
{
if (m_pwmfifo_cnt > 0)
{
m_pwmfifo_rd = (m_pwmfifo_rd + 1) % std::size(m_pwmfifo);
m_pwmfifo_cnt--;
m_pwmc |= PWMC_FIFO_AV;
}
if (m_pwmfifo_cnt <= 1)
{
if (!(m_pwmc & PWMC_IRQ))
{
m_pwmc |= PWMC_IRQ;
set_interrupt_line(INT_PWM, 1);
}
}
}
void mc68ez328_device::pwmc_w(u16 data) // 0x500
{
LOGMASKED(LOG_PWM, "%s: pwmc_w: PWMC = %04x\n", machine().describe_context(), data);
const u16 old = m_pwmc;
m_pwmc = (m_pwmc & PWMC_FIFO_AV) | (data & ~PWMC_FIFO_AV);
const u16 changed = old ^ m_pwmc;
if (!changed)
{
return;
}
bool set_irq = false;
if (m_pwmc & PWMC_IRQ_EN)
{
if (m_pwmc & PWMC_IRQ)
{
set_irq = true;
}
}
else if (old & PWMC_IRQ_EN)
{
set_interrupt_line(INT_PWM, 0);
}
const bool recalculate = (changed & PWMC_RECALC_MASK);
if (recalculate)
{
if (m_pwmc & PWMC_EN)
{
if (changed & PWMC_EN)
{
set_irq = true;
m_pwmc |= PWMC_FIFO_AV;
}
m_pwmo = true;
m_out_pwm_cb((int)m_pwmo);
update_pwm_period(false);
m_pwm_rep_cnt = 1 << ((m_pwmc & PWMC_REPEAT) >> PWMC_REPEAT_SHIFT);
}
else
{
m_pwmfifo_cnt = 0;
m_pwmo = false;
m_pwm->adjust(attotime::never);
}
}
if (set_irq && (m_pwmc & PWMC_IRQ_EN))
{
m_pwmc |= PWMC_IRQ;
set_interrupt_line(INT_PWM, BIT(m_pwmc, PWMC_IRQ_BIT));
}
}
u16 mc68ez328_device::pwmc_r() // 0x500
{
const u16 data = m_pwmc;
LOGMASKED(LOG_PWM, "%s: pwmc_r: PWMC: %04x\n", machine().describe_context(), data);
if (m_pwmc & PWMC_IRQ)
{
m_pwmc &= ~PWMC_IRQ;
set_interrupt_line(INT_PWM, 0);
}
return data;
}
void mc68ez328_device::pwms_w(offs_t offset, u16 data, u16 mem_mask) // 0x502
{
LOGMASKED(LOG_PWM, "%s: pwms_w: PWMS = %04x & %04x\n", machine().describe_context(), data, mem_mask);
if (mem_mask == 0xffff)
{
pwm_fifo_push((u8)(data >> 8));
pwm_fifo_push((u8)data);
}
else if (mem_mask == 0x00ff)
{
pwm_fifo_push((u8)data);
}
}
u16 mc68ez328_device::pwms_r() // 0x502
{
LOGMASKED(LOG_PWM, "%s: pwms_r: PWMS: %04x\n", machine().describe_context(), m_pwmfifo[m_pwmfifo_rd]);
return m_pwmfifo[m_pwmfifo_rd];
}
void mc68ez328_device::pwmp_w(u8 data) // 0x504
{
LOGMASKED(LOG_PWM, "%s: pwmp_w: PWMP = %02x\n", machine().describe_context(), data);
const bool changed = (data != m_pwmp);
m_pwmp = data;
if (changed && (m_pwmc & PWMC_EN))
{
update_pwm_period(false);
}
}
u8 mc68ez328_device::pwmp_r() // 0x504
{
LOGMASKED(LOG_PWM, "%s: pwmp_r: PWMP: %02x\n", machine().describe_context(), m_pwmp);
return m_pwmp;
}
void mc68ez328_device::pwmcnt_w(u8 data) // 0x505
{
LOGMASKED(LOG_PWM, "%s: pwmcnt_w: PWMCNT = %04x (Ignored)\n", machine().describe_context(), data);
}
u8 mc68ez328_device::pwmcnt_r() // 0x505
{
u8 data = 0;
if (m_pwmc & PWMC_EN)
{
const u32 frequency = (m_pwmc & PWMC_CLK_SRC) ? 32768 : clock();
const u32 prescale = (m_pwmc & PWMC_PRESCALE) >> PWMC_PRESCALE_SHIFT;
const u32 divisor = 2 << (m_pwmc & PWMC_CLKSEL);
const u8 period = std::min(m_pwmp + 1u, 0xffu);
data = period - (u8)m_pwm->remaining().as_ticks(frequency) / (prescale * divisor);
}
LOGMASKED(LOG_PWM, "%s: pwmcnt_r: PWMCNT: %02x\n", machine().describe_context(), data);
return data;
}
//-------------------------------------------------
// Timer/Watchdog hardware
//-------------------------------------------------
emu_timer *mc68328_device::get_timer(int timer)
{
return m_gptimer[timer];
}
emu_timer *mc68ez328_device::get_timer(int timer)
{
return m_gptimer;
}
mc68328_base_device::timer_regs &mc68328_device::get_timer_regs(int timer)
{
return m_timer_regs[timer];
}
mc68328_base_device::timer_regs &mc68ez328_device::get_timer_regs(int timer)
{
return m_timer_regs;
}
u32 mc68328_device::get_timer_int(int timer)
{
constexpr u32 TIMER_INTS[2] = { INT_TIMER1, INT_TIMER2 };
return TIMER_INTS[timer];
}
u32 mc68ez328_device::get_timer_int(int timer)
{
return INT_TIMER2;
}
template <int Timer>
u32 mc68328_base_device::get_timer_frequency()
{
timer_regs &regs = get_timer_regs(Timer);
u32 frequency = 0;
switch (regs.tctl & TCTL_CLKSOURCE)
{
case TCTL_CLKSOURCE_SYSCLK:
frequency = clock();
break;
case TCTL_CLKSOURCE_SYSCLK16:
frequency = clock() / 16;
break;
case TCTL_CLKSOURCE_32KHZ4:
case TCTL_CLKSOURCE_32KHZ5:
case TCTL_CLKSOURCE_32KHZ6:
case TCTL_CLKSOURCE_32KHZ7:
frequency = 32768;
break;
}
frequency /= (regs.tprer + 1);
return frequency;
}
template <int Timer>
void mc68328_base_device::update_gptimer_state()
{
timer_regs &regs = get_timer_regs(Timer);
emu_timer *timer = get_timer(Timer);
if (BIT(regs.tctl, TCTL_TEN_BIT) && (regs.tctl & TCTL_CLKSOURCE) > TCTL_CLKSOURCE_STOP)
{
if ((regs.tctl & TCTL_CLKSOURCE) == TCTL_CLKSOURCE_TIN || regs.tcmp == 0)
{
timer->adjust(attotime::never);
}
else
{
timer->adjust(attotime::from_ticks(regs.tcmp, get_timer_frequency<Timer>()));
}
}
else
{
timer->adjust(attotime::never);
}
}
template <int Timer>
TIMER_CALLBACK_MEMBER(mc68328_base_device::timer_tick)
{
timer_regs &regs = get_timer_regs(Timer);
emu_timer *timer = get_timer(Timer);
regs.tcn = regs.tcmp;
regs.tstat |= TSTAT_COMP;
if ((regs.tctl & TCTL_FRR) == TCTL_FRR_RESTART)
{
u32 frequency = get_timer_frequency<Timer>();
if (frequency > 0)
{
attotime period = attotime::from_hz(frequency) * regs.tcmp;
regs.tcn = 0x0000;
timer->adjust(period);
}
else
{
timer->adjust(attotime::never);
}
}
else
{
u32 frequency = get_timer_frequency<Timer>();
if (frequency > 0)
{
attotime period = attotime::from_hz(frequency) * 0x10000;
timer->adjust(period);
}
else
{
timer->adjust(attotime::never);
}
}
if ((regs.tctl & TCTL_IRQEN) == TCTL_IRQEN_ENABLE)
{
set_interrupt_line(get_timer_int(Timer), 1);
}
}
template <int Timer>
void mc68328_base_device::tctl_w(u16 data) // 0x600, 0x60c
{
timer_regs &regs = get_timer_regs(Timer);
LOGMASKED(LOG_TIMERS, "%s: tctl_w<%d>: TCTL%d = %04x\n", machine().describe_context(), Timer, Timer + 1, data);
const u16 old_tctl = regs.tctl;
regs.tctl = data;
const bool old_enable = BIT(old_tctl, TCTL_TEN_BIT);
const bool new_enable = BIT(regs.tctl, TCTL_TEN_BIT);
if (!old_enable && new_enable)
{
regs.tcn = 0x0000;
}
update_gptimer_state<Timer>();
}
template <int Timer>
u16 mc68328_base_device::tctl_r() // 0x600, 0x60c
{
timer_regs &regs = get_timer_regs(Timer);
LOGMASKED(LOG_TIMERS, "%s: tctl_r: TCTL%d: %04x\n", machine().describe_context(), Timer + 1, regs.tctl);
return regs.tctl;
}
template <int Timer>
void mc68328_base_device::tprer_w(u16 data) // 0x602, 0x60e
{
timer_regs &regs = get_timer_regs(Timer);
LOGMASKED(LOG_TIMERS, "%s: tprer_w<%d>: TPRER%d = %04x\n", machine().describe_context(), Timer, Timer + 1, data);
regs.tprer = data;
update_gptimer_state<Timer>();
}
template <int Timer>
u16 mc68328_base_device::tprer_r() // 0x602, 0x60e
{
timer_regs &regs = get_timer_regs(Timer);
LOGMASKED(LOG_TIMERS, "%s: tprer_r: TPRER%d: %04x\n", machine().describe_context(), Timer + 1, regs.tprer);
return regs.tprer;
}
template <int Timer>
void mc68328_base_device::tcmp_w(u16 data) // 0x604, 0x610
{
timer_regs &regs = get_timer_regs(Timer);
LOGMASKED(LOG_TIMERS, "%s: tcmp_w<%d>: TCMP%d = %04x\n", machine().describe_context(), Timer, Timer + 1, data);
regs.tcmp = data;
update_gptimer_state<Timer>();
}
template <int Timer>
u16 mc68328_base_device::tcmp_r() // 0x604, 0x610
{
timer_regs &regs = get_timer_regs(Timer);
LOGMASKED(LOG_TIMERS, "%s: tcmp_r: TCMP%d: %04x\n", machine().describe_context(), Timer + 1, regs.tcmp);
return regs.tcmp;
}
template <int Timer>
void mc68328_base_device::tcr_w(u16 data) // 0x606, 0x612
{
LOGMASKED(LOG_TIMERS, "%s: tcr_w<%d>: TCR%d = %04x (Ignored)\n", machine().describe_context(), Timer, Timer + 1, data);
}
template <int Timer>
u16 mc68328_base_device::tcr_r() // 0x606, 0x612
{
timer_regs &regs = get_timer_regs(Timer);
LOGMASKED(LOG_TIMERS, "%s: tcr_r: TCR%d: %04x\n", machine().describe_context(), Timer + 1, regs.tcr);
return regs.tcr;
}
template <int Timer>
void mc68328_base_device::tcn_w(u16 data) // 0x608, 0x614
{
LOGMASKED(LOG_TIMERS, "%s: tcn_w<%d>: TCN%d = %04x (Ignored)\n", machine().describe_context(), Timer, Timer + 1, data);
}
template <int Timer>
u16 mc68328_base_device::tcn_r() // 0x608, 0x614
{
timer_regs &regs = get_timer_regs(Timer);
LOGMASKED(LOG_TIMERS, "%s: tcn_r: TCN%d: %04x\n", machine().describe_context(), Timer + 1, regs.tcn);
return regs.tcn;
}
template <int Timer>
void mc68328_base_device::tstat_w(u16 data) // 0x60a, 0x616
{
timer_regs &regs = get_timer_regs(Timer);
LOGMASKED(LOG_TSTAT, "%s: tstat_w<%d>: TSTAT%d = %04x\n", machine().describe_context(), Timer, Timer + 1, data);
regs.tstat &= ~regs.tclear;
if (!(regs.tstat & TSTAT_COMP))
{
set_interrupt_line(get_timer_int(Timer), 0);
}
}
template <int Timer>
u16 mc68328_base_device::tstat_r() // 0x60a, 0x616
{
timer_regs &regs = get_timer_regs(Timer);
LOGMASKED(LOG_TIMERS, "%s: tstat_r: TSTAT%d: %04x\n", machine().describe_context(), Timer + 1, regs.tstat);
regs.tclear |= regs.tstat;
return regs.tstat;
}
void mc68328_device::wctlr_w(u16 data) // 0x618
{
LOGMASKED(LOG_WATCHDOG, "%s: wctlr_w: WCTLR = %04x\n", machine().describe_context(), data);
m_wctlr = data;
}
u16 mc68328_device::wctlr_r() // 0x618
{
LOGMASKED(LOG_WATCHDOG, "%s: wctlr_r: WCTLR: %04x\n", machine().describe_context(), m_wctlr);
return m_wctlr;
}
void mc68328_device::wcmpr_w(u16 data) // 0x61a
{
LOGMASKED(LOG_WATCHDOG, "%s: wcmpr_w: WCMPR = %04x\n", machine().describe_context(), data);
m_wcmpr = data;
}
u16 mc68328_device::wcmpr_r() // 0x61a
{
LOGMASKED(LOG_WATCHDOG, "%s: wcmpr_r: WCMPR: %04x\n", machine().describe_context(), m_wcmpr);
return m_wcmpr;
}
void mc68328_device::wcn_w(u16 data) // 0x61c
{
LOGMASKED(LOG_WATCHDOG, "%s: wcn_w: WCN = %04x (Ignored)\n", machine().describe_context(), data);
}
u16 mc68328_device::wcn_r() // 0x61c
{
LOGMASKED(LOG_WATCHDOG, "%s: wcn_r: WCN: %04x\n", machine().describe_context(), m_wcn);
return m_wcn;
}
//-------------------------------------------------
// SPIS hardware
//-------------------------------------------------
void mc68328_device::spisr_w(u16 data) // 0x700
{
LOGMASKED(LOG_SPIS, "%s: spisr_w: SPISR = %04x\n", machine().describe_context(), data);
m_spisr = data;
}
u16 mc68328_device::spisr_r() // 0x700
{
LOGMASKED(LOG_SPIS, "%s: spisr_r: SPISR: %04x\n", machine().describe_context(), m_spisr);
return m_spisr;
}
//-------------------------------------------------
// SPIM hardware
//-------------------------------------------------
TIMER_CALLBACK_MEMBER(mc68328_base_device::spim_tick)
{
m_spmclk = !m_spmclk;
const bool idle_state = BIT(m_spimcont, SPIM_POL_BIT);
const bool invert_phase = BIT(m_spimcont, SPIM_PHA_BIT);
u16 spim_bit_index = m_spimcont & SPIM_BIT_COUNT;
LOGMASKED(LOG_SPIM, "SPIM Tick:\n");
LOGMASKED(LOG_SPIM, " CLK state: %d\n", m_spmclk);
LOGMASKED(LOG_SPIM, " Bit index: %d\n", spim_bit_index);
LOGMASKED(LOG_SPIM, " Data before: %04x\n", m_spimdata);
const bool clock_txd = (m_spmclk == idle_state && invert_phase) || (m_spmclk != idle_state && !invert_phase);
if (clock_txd)
{
m_spmtxd = BIT(m_spimdata, m_spim_bit_read_idx);
LOGMASKED(LOG_SPIM, " Clocking TxD: %d\n", m_spmtxd);
m_out_spim_cb(m_spmtxd);
}
else
{
m_spmrxd = m_in_spim_cb();
LOGMASKED(LOG_SPIM, " Clocking RxD: %d\n", m_spmrxd);
LOGMASKED(LOG_SPIM, " Shifting\n");
m_spimdata = (m_spimdata << 1) | m_spmrxd;
}
LOGMASKED(LOG_SPIM, " Data after: %04x\n", m_spimdata);
if (m_spmclk == idle_state)
{
if (spim_bit_index == 0)
{
LOGMASKED(LOG_SPIM, " Bit 0 clocked out, ending transfer\n");
m_spim->adjust(attotime::never);
if (BIT(m_spimcont, SPIM_IRQEN_BIT))
{
m_spimcont |= (1 << SPIM_SPIMIRQ_BIT);
LOGMASKED(LOG_SPIM, "Triggering SPIM Interrupt\n" );
set_interrupt_line(INT_SPIM, 1);
}
}
else
{
spim_bit_index--;
m_spimcont &= ~SPIM_BIT_COUNT;
m_spimcont |= spim_bit_index;
}
}
}
void mc68328_base_device::spimdata_w(u16 data) // 0x800
{
LOGMASKED(LOG_SPIM, "%s: spimdata_w: SPIMDATA = %04x\n", machine().describe_context(), data);
m_spimdata = data;
}
u16 mc68328_base_device::spimdata_r() // 0x800
{
LOGMASKED(LOG_SPIM, "%s: spimdata_r: SPIMDATA: %04x\n", machine().describe_context(), m_spimdata);
return m_spimdata;
}
void mc68328_base_device::spimcont_w(u16 data) // 0x802
{
LOGMASKED(LOG_SPIM, "%s: spimcont_w: SPIMCONT = %04x\n", machine().describe_context(), data);
LOGMASKED(LOG_SPIM, "%s: Count = %d\n", machine().describe_context(), data & SPIM_BIT_COUNT);
LOGMASKED(LOG_SPIM, "%s: Polarity = %s\n", machine().describe_context(), BIT(data, SPIM_POL_BIT) ? "Inverted" : "Active-high");
LOGMASKED(LOG_SPIM, "%s: Phase = %s\n", machine().describe_context(), BIT(data, SPIM_PHA_BIT) ? "Opposite" : "Normal");
LOGMASKED(LOG_SPIM, "%s: IRQ Enable = %s\n", machine().describe_context(), BIT(data, SPIM_IRQEN_BIT) ? "Enable" : "Disable");
LOGMASKED(LOG_SPIM, "%s: IRQ Pending = %s\n", machine().describe_context(), BIT(data, SPIM_SPIMIRQ_BIT) ? "Yes" : "No");
LOGMASKED(LOG_SPIM, "%s: Exchange = %s\n", machine().describe_context(), BIT(data, SPIM_XCH_BIT) ? "Initiate" : "Idle");
LOGMASKED(LOG_SPIM, "%s: SPIM Enable = %s\n", machine().describe_context(), BIT(data, SPIM_SPMEN_BIT) ? "Enable" : "Disable");
LOGMASKED(LOG_SPIM, "%s: Data Rate = Divide By %d\n", machine().describe_context(), 4 << ((data & SPIM_RATE_MASK) >> SPIM_RATE_SHIFT) );
const u16 old = m_spimcont;
m_spimcont = data;
if (BIT(data, SPIM_SPMEN_BIT) && BIT(data, SPIM_XCH_BIT) && !BIT(old, SPIM_XCH_BIT))
{
const uint64_t divisor = 2 << ((data & SPIM_RATE_MASK) >> SPIM_RATE_SHIFT);
const attotime rate = attotime::from_ticks(divisor, clock());
m_spim_bit_read_idx = m_spimcont & SPIM_BIT_COUNT;
m_spim->adjust(rate, 0, rate);
m_spimcont &= ~(1 << SPIM_XCH_BIT);
}
if (!BIT(data, SPIM_IRQEN_BIT) || !BIT(data, SPIM_SPIMIRQ_BIT))
{
set_interrupt_line(INT_SPIM, 0);
}
else
{
set_interrupt_line(INT_SPIM, 1);
}
}
u16 mc68328_base_device::spimcont_r() // 0x802
{
LOGMASKED(LOG_SPIM, "%s: spimcont_r: SPIMCONT: %04x\n", machine().describe_context(), m_spimcont);
return m_spimcont;
}
//-------------------------------------------------
// UART hardware
//-------------------------------------------------
void mc68328_base_device::ustcnt_w(u16 data) // 0x900
{
LOGMASKED(LOG_UART, "%s: ustcnt_w: USTCNT = %04x\n", machine().describe_context(), data);
m_ustcnt = data;
}
u16 mc68328_base_device::ustcnt_r() // 0x900
{
LOGMASKED(LOG_UART, "%s: ustcnt_r: USTCNT: %04x\n", machine().describe_context(), m_ustcnt);
return m_ustcnt;
}
void mc68328_base_device::ubaud_w(u16 data) // 0x902
{
LOGMASKED(LOG_UART, "%s: ubaud_w: UBAUD = %04x\n", machine().describe_context(), data);
m_ubaud = data;
}
u16 mc68328_base_device::ubaud_r() // 0x902
{
LOGMASKED(LOG_UART, "%s: ubaud_r: UBAUD: %04x\n", machine().describe_context(), m_ubaud);
return m_ubaud;
}
void mc68328_base_device::urx_w(u16 data) // 0x904
{
LOGMASKED(LOG_UART, "%s: urx_w: URX = %04x (Not Yet Implemented)\n", machine().describe_context(), data);
}
u16 mc68328_base_device::urx_r() // 0x904
{
LOGMASKED(LOG_UART, "%s: urx_r: URX: %04x\n", machine().describe_context(), m_urx);
return m_urx;
}
void mc68328_base_device::utx_w(u16 data) // 0x906
{
LOGMASKED(LOG_UART, "%s: utx_w: UTX = %04x (Not Yet Implemented)\n", machine().describe_context(), data);
}
u16 mc68328_base_device::utx_r() // 0x906
{
u16 data = m_utx | UTX_FIFO_EMPTY | UTX_FIFO_HALF | UTX_TX_AVAIL;
LOGMASKED(LOG_UART, "%s: utx_r: UTX: %04x\n", machine().describe_context(), data);
return data;
}
void mc68328_base_device::umisc_w(u16 data) // 0x908
{
LOGMASKED(LOG_UART, "%s: umisc_w: UMISC = %04x (Not Yet Implemented)\n", machine().describe_context(), data);
m_umisc = data;
}
u16 mc68328_base_device::umisc_r() // 0x908
{
LOGMASKED(LOG_UART, "%s: umisc_r: UMISC: %04x\n", machine().describe_context(), m_umisc);
return m_umisc;
}
//-------------------------------------------------
// LCD hardware - Shared and Standard MC68328
//-------------------------------------------------
void mc68328_device::lcd_update_info()
{
if (!m_lcd_update_pending)
{
return;
}
const u32 sysclk_divisor = VCO_DIVISORS[(m_pllcr & PLLCR_SYSCLK_SEL) >> PLLCR_SYSCLK_SHIFT];
attotime lcd_dma_duration = attotime::from_ticks(lcd_get_line_word_count() * sysclk_divisor, clock());
attotime lcd_scan_duration = lcd_get_line_rate();
attotime lcd_frame_duration = (lcd_scan_duration + lcd_dma_duration) * (m_lymax + 1);
LOGMASKED(LOG_LCD, "lxmax %d, lymax %d, divisor %d, lrra %02x, lpxcd %02x\n", m_lxmax, m_lymax + 1, sysclk_divisor, m_lpxcd + 1);
constexpr u8 BIT_WIDTHS[4] = { 1, 2, 4, 0xff };
m_lcd_info_changed_cb(lcd_frame_duration.as_hz(), lcd_get_width(), m_lymax + 1, BIT_WIDTHS[(m_lpicf & LPICF_PBSIZ) >> LPICF_PBSIZ_SHIFT], BIT_WIDTHS[m_lpicf & LPICF_GS]);
m_lcd_update_pending = false;
}
u16 mc68328_device::lcd_get_lxmax_mask()
{
constexpr u16 LXMAX_MASK = 0x03ff;
return LXMAX_MASK;
}
int mc68328_device::lcd_get_width()
{
return (m_lxmax & lcd_get_lxmax_mask()) + 1;
}
u32 mc68328_device::lcd_get_line_word_count()
{
return m_lvpw != m_llbar ? (m_llbar + 1) : m_llbar;
}
attotime mc68328_device::lcd_get_line_rate()
{
const u32 sysclk_divisor = VCO_DIVISORS[(m_pllcr & PLLCR_SYSCLK_SEL) >> PLLCR_SYSCLK_SHIFT];
return attotime::from_ticks(m_llbar, clock() / sysclk_divisor);
}
u8 mc68328_device::lcd_get_panel_bit_size()
{
constexpr u8 BIT_WIDTHS[4] = { 1, 2, 4, 0xff };
return BIT_WIDTHS[(m_lpicf & LPICF_PBSIZ) >> LPICF_PBSIZ_SHIFT];
}
attotime mc68328_device::get_pixclk_rate()
{
u32 divisor = 1;
if (BIT(m_lckcon, LCKCON_PCDS_BIT)) // Use PIXCLK from PLL
divisor = VCO_DIVISORS[(m_pllcr & PLLCR_PIXCLK_SEL) >> PLLCR_PIXCLK_SHIFT];
else // Use SYSCLK from PLL
divisor = VCO_DIVISORS[(m_pllcr & PLLCR_SYSCLK_SEL) >> PLLCR_SYSCLK_SHIFT];
return attotime::from_ticks((m_lpxcd & LPXCD_MASK) + 1, clock() / divisor);
}
void mc68328_base_device::fill_lcd_dma_buffer()
{
if (m_lcd_sysmem_ptr == m_lssa)
{
lcd_update_info();
m_out_flm_cb(BIT(m_lpolcf, LPOLCF_FLMPOL_BIT) ? 0 : 1);
m_lssa_end = m_lssa + ((m_lvpw * (m_lymax + 1)) << 1);
}
else
{
m_out_flm_cb(BIT(m_lpolcf, LPOLCF_FLMPOL_BIT) ? 1 : 0);
}
m_out_llp_cb(BIT(m_lpolcf, LPOLCF_LPPOL_BIT) ? 0 : 1);
attotime buffer_duration = lcd_get_line_rate();
m_lcd_scan->adjust(buffer_duration);
address_space &prg_space = space(AS_PROGRAM);
const u32 word_count = lcd_get_line_word_count();
for (u32 word_index = 0; word_index < word_count; word_index++)
{
m_lcd_line_buffer[word_index] = prg_space.read_word(m_lcd_sysmem_ptr + (word_index << 1));
}
m_lcd_sysmem_ptr += m_lvpw << 1;
if (m_lcd_sysmem_ptr >= m_lssa_end)
{
m_lcd_sysmem_ptr = m_lssa;
}
m_lcd_line_bit = 15;
m_lcd_line_word = 0;
}
TIMER_CALLBACK_MEMBER(mc68328_base_device::lcd_scan_tick)
{
m_out_llp_cb(BIT(m_lpolcf, LPOLCF_LPPOL_BIT) ? 1 : 0);
m_lsclk = !m_lsclk;
if (m_lsclk)
{
u8 data = 0;
switch (lcd_get_panel_bit_size())
{
case 1:
data = BIT(m_lcd_line_buffer[m_lcd_line_word], m_lcd_line_bit);
if (m_lcd_line_bit == 0)
{
m_lcd_line_bit = 15;
m_lcd_line_word++;
}
else
{
m_lcd_line_bit--;
}
break;
case 2:
data = (m_lcd_line_buffer[m_lcd_line_word] >> (m_lcd_line_bit - 1)) & 3;
if (m_lcd_line_bit <= 1)
{
m_lcd_line_bit = 15;
m_lcd_line_word++;
}
else
{
m_lcd_line_bit -= 2;
}
break;
case 4:
data = (m_lcd_line_buffer[m_lcd_line_word] >> (m_lcd_line_bit - 3)) & 15;
if (m_lcd_line_bit <= 3)
{
m_lcd_line_bit = 15;
m_lcd_line_word++;
}
else
{
m_lcd_line_bit -= 4;
}
break;
default:
// Invalid mode; don't send anything
break;
}
m_out_ld_cb(data);
}
m_out_lsclk_cb(m_lsclk);
if (m_lcd_line_word == lcd_get_line_word_count())
{
fill_lcd_dma_buffer();
}
else
{
m_lcd_scan->adjust(get_pixclk_rate());
}
}
void mc68328_base_device::lssa_msw_w(offs_t offset, u16 data, u16 mem_mask) // 0xa00
{
LOGMASKED(LOG_LCD, "%s: lssa_msw_w: LSSA(MSW) = %04x\n", machine().describe_context(), data);
m_lssa &= ~(mem_mask << 16);
m_lssa |= (data & mem_mask) << 16;
LOGMASKED(LOG_LCD, "%s: Address: %08x\n", machine().describe_context(), m_lssa);
}
u16 mc68328_base_device::lssa_msw_r() // 0xa00
{
LOGMASKED(LOG_LCD, "%s: lssa_msw_r: LSSA(MSW): %04x\n", machine().describe_context(), (u16)(m_lssa >> 16));
return (u16)(m_lssa >> 16);
}
void mc68328_base_device::lssa_lsw_w(offs_t offset, u16 data, u16 mem_mask) // 0xa02
{
LOGMASKED(LOG_LCD, "%s: lssa_lsw_w: LSSA(LSW) = %04x\n", machine().describe_context(), data);
m_lssa &= 0xffff0000 | (~mem_mask);
m_lssa |= data & mem_mask;
LOGMASKED(LOG_LCD, " Address: %08x\n", machine().describe_context(), m_lssa);
}
u16 mc68328_base_device::lssa_lsw_r() // 0xa02
{
LOGMASKED(LOG_LCD, "%s: lssa_lsw_r: LSSA(LSW): %04x\n", machine().describe_context(), (u16)m_lssa);
return (u16)m_lssa;
}
void mc68328_base_device::lvpw_w(u8 data) // 0xa05
{
LOGMASKED(LOG_LCD, "%s: lvpw_w: LVPW = %02x\n", machine().describe_context(), data);
m_lvpw = data;
LOGMASKED(LOG_LCD, "%s: Virtual Page Width: %d words\n", machine().describe_context(), m_lvpw);
}
u8 mc68328_base_device::lvpw_r() // 0xa05
{
LOGMASKED(LOG_LCD, "%s: lvpw_r: LVPW: %02x\n", machine().describe_context(), m_lvpw);
return m_lvpw;
}
void mc68328_base_device::lxmax_w(u16 data) // 0xa08
{
m_lcd_update_pending = m_lcd_update_pending || (m_lxmax != (data & lcd_get_lxmax_mask()));
LOGMASKED(LOG_LCD, "%s: lxmax_w: LXMAX = %04x\n", machine().describe_context(), data);
m_lxmax = data & lcd_get_lxmax_mask();
LOGMASKED(LOG_LCD, "%s: Width: %d\n", machine().describe_context(), lcd_get_width());
}
u16 mc68328_base_device::lxmax_r() // 0xa08
{
LOGMASKED(LOG_LCD, "%s: lxmax_r: LXMAX: %04x\n", machine().describe_context(), m_lxmax);
return m_lxmax;
}
void mc68328_base_device::lymax_w(u16 data) // 0xa0a
{
m_lcd_update_pending = m_lcd_update_pending || (m_lxmax != (data & LYMAX_MASK));
LOGMASKED(LOG_LCD, "%s: lymax_w: LYMAX = %04x\n", machine().describe_context(), data);
m_lymax = data & LYMAX_MASK;
LOGMASKED(LOG_LCD, "%s: Height: %d\n", machine().describe_context(), (data & 0x03ff) + 1);
}
u16 mc68328_base_device::lymax_r() // 0xa0a
{
LOGMASKED(LOG_LCD, "%s: lymax_r: LYMAX: %04x\n", machine().describe_context(), m_lymax);
return m_lymax;
}
void mc68328_base_device::lcxp_w(u16 data) // 0xa18
{
LOGMASKED(LOG_LCD, "%s: lcxp_w: LCXP = %04x\n", machine().describe_context(), data);
m_lcxp = data;
LOGMASKED(LOG_LCD, "%s: X Position: %d\n", machine().describe_context(), data & 0x03ff);
switch (m_lcxp >> 14)
{
case 0:
LOGMASKED(LOG_LCD, "%s: Cursor Control: Transparent\n", machine().describe_context());
break;
case 1:
LOGMASKED(LOG_LCD, "%s: Cursor Control: Black\n", machine().describe_context());
break;
case 2:
LOGMASKED(LOG_LCD, "%s: Cursor Control: Reverse\n", machine().describe_context());
break;
case 3:
LOGMASKED(LOG_LCD, "%s: Cursor Control: Invalid\n", machine().describe_context());
break;
}
}
u16 mc68328_base_device::lcxp_r() // 0xa18
{
LOGMASKED(LOG_LCD, "%s: lcxp_r: LCXP: %04x\n", machine().describe_context(), m_lcxp);
return m_lcxp;
}
void mc68328_base_device::lcyp_w(u16 data) // 0xa1a
{
LOGMASKED(LOG_LCD, "%s: lcyp_w: LCYP = %04x\n", machine().describe_context(), data);
m_lcyp = data;
LOGMASKED(LOG_LCD, "%s: Y Position: %d\n", machine().describe_context(), data & 0x01ff);
}
u16 mc68328_base_device::lcyp_r() // 0xa1a
{
LOGMASKED(LOG_LCD, "%s: lcyp_r: LCYP: %04x\n", machine().describe_context(), m_lcyp);
return m_lcyp;
}
void mc68328_base_device::lcwch_w(u16 data) // 0xa1c
{
LOGMASKED(LOG_LCD, "%s: lcwch_w: LCWCH = %04x\n", machine().describe_context(), data);
m_lcwch = data;
LOGMASKED(LOG_LCD, "%s: Width: %d\n", machine().describe_context(), (data >> 8) & 0x1f);
LOGMASKED(LOG_LCD, "%s: Height: %d\n", machine().describe_context(), data & 0x1f);
}
u16 mc68328_base_device::lcwch_r() // 0xa1c
{
LOGMASKED(LOG_LCD, "%s: lcwch_r: LCWCH: %04x\n", machine().describe_context(), m_lcwch);
return m_lcwch;
}
void mc68328_base_device::lblkc_w(u8 data) // 0xa1f
{
LOGMASKED(LOG_LCD, "%s: lblkc_w: LBLKC = %02x\n", machine().describe_context(), data);
m_lblkc = data;
LOGMASKED(LOG_LCD, "%s: Blink Enable: %d\n", machine().describe_context(), m_lblkc >> 7);
LOGMASKED(LOG_LCD, "%s: Blink Divisor: %d\n", machine().describe_context(), m_lblkc & 0x7f);
}
u8 mc68328_base_device::lblkc_r() // 0xa1f
{
LOGMASKED(LOG_LCD, "%s: lblkc_r: LBLKC: %02x\n", machine().describe_context(), m_lblkc);
return m_lblkc;
}
void mc68328_device::lpicf_w(u8 data) // 0xa20
{
static const char *const PBSIZ_NAMES[4] = { "1-bit", "2-bit", "4-bit", "Invalid" };
LOGMASKED(LOG_LCD, "%s: lpicf_w: LPICF = %02x\n", machine().describe_context(), data);
LOGMASKED(LOG_LCD, "%s: Grayscale Mode: %d\n", machine().describe_context(), data & LPICF_GS);
LOGMASKED(LOG_LCD, "%s: Bus Size: %s\n", machine().describe_context(), PBSIZ_NAMES[(data & LPICF_PBSIZ) >> LPICF_PBSIZ_SHIFT]);
m_lpicf = data;
}
u8 mc68328_base_device::lpicf_r() // 0xa20
{
LOGMASKED(LOG_LCD, "%s: lpicf_r: LPICF: %02x\n", machine().describe_context(), m_lpicf);
return m_lpicf;
}
void mc68328_base_device::lpolcf_w(u8 data) // 0xa21
{
LOGMASKED(LOG_LCD, "%s: lpolcf_w: LPOLCF = %02x\n", machine().describe_context(), data);
m_lpolcf = data;
LOGMASKED(LOG_LCD, "%s: LCD Shift Clock Polarity: %s\n", machine().describe_context(), (m_lpicf & 0x08) ? "Active positive edge of LCLK" : "Active negative edge of LCLK");
LOGMASKED(LOG_LCD, "%s: First-line marker polarity: %s\n", machine().describe_context(), (m_lpicf & 0x04) ? "Active Low" : "Active High");
LOGMASKED(LOG_LCD, "%s: Line-pulse polarity: %s\n", machine().describe_context(), (m_lpicf & 0x02) ? "Active Low" : "Active High");
LOGMASKED(LOG_LCD, "%s: Pixel polarity: %s\n", machine().describe_context(), (m_lpicf & 0x01) ? "Active Low" : "Active High");
}
u8 mc68328_base_device::lpolcf_r() // 0xa21
{
LOGMASKED(LOG_LCD, "%s: lpolcf_r: LPOLCF: %02x\n", machine().describe_context(), m_lpolcf);
return m_lpolcf;
}
void mc68328_base_device::lacdrc_w(u8 data) // 0xa23
{
LOGMASKED(LOG_LCD, "%s: lacdrc_w: LACDRC = %02x\n", machine().describe_context(), data);
m_lacdrc = data;
}
u8 mc68328_base_device::lacdrc_r() // 0xa23
{
LOGMASKED(LOG_LCD, "%s: lacdrc_r: LACDRC: %02x\n", machine().describe_context(), m_lacdrc);
return m_lacdrc;
}
void mc68328_base_device::lpxcd_w(u8 data) // 0xa25
{
LOGMASKED(LOG_LCD, "%s: lpxcd_w: LPXCD = %02x\n", machine().describe_context(), data);
m_lpxcd = data;
LOGMASKED(LOG_LCD, "%s: Clock Divisor: %d\n", machine().describe_context(), m_lpxcd + 1);
}
u8 mc68328_base_device::lpxcd_r() // 0xa25
{
LOGMASKED(LOG_LCD, "%s: lpxcd_r: LPXCD: %02x\n", machine().describe_context(), m_lpxcd);
return m_lpxcd;
}
void mc68328_device::lckcon_w(u8 data) // 0xa27
{
LOGMASKED(LOG_LCD, "%s: lckcon_w: LCKCON = %02x\n", machine().describe_context(), data);
LOGMASKED(LOG_LCD, "%s: LCDC Enable: %d\n", machine().describe_context(), BIT(data, LCKCON_LCDON_BIT));
LOGMASKED(LOG_LCD, "%s: DMA Burst Length: %d\n", machine().describe_context(), BIT(data, LCKCON_DMA16_BIT) ? 16 : 8);
LOGMASKED(LOG_LCD, "%s: DMA Bursting Clock Control: %d\n", machine().describe_context(), ((data & LCKCON_WS) >> LCKCON_WS_SHIFT) + 1);
LOGMASKED(LOG_LCD, "%s: Bus Width: %d\n", machine().describe_context(), BIT(data, LCKCON_DWIDTH_BIT) ? 8 : 16);
LOGMASKED(LOG_LCD, "%s: Pixel Clock Divider Source: %s\n", machine().describe_context(), BIT(data, LCKCON_PCDS_BIT) ? "PIX" : "SYS");
const u16 old = m_lckcon;
m_lckcon = data;
lcd_update_info();
if (BIT(old, LCKCON_LCDON_BIT) && !BIT(m_lckcon, LCKCON_LCDON_BIT))
{
m_lcd_scan->adjust(attotime::never);
}
else if (!BIT(old, LCKCON_LCDON_BIT) && BIT(m_lckcon, LCKCON_LCDON_BIT))
{
m_lcd_scan->adjust(attotime::never);
m_lcd_sysmem_ptr = m_lssa;
fill_lcd_dma_buffer();
}
}
u8 mc68328_base_device::lckcon_r() // 0xa27
{
LOGMASKED(LOG_LCD, "%s: lckcon_r: LCKCON: %02x\n", machine().describe_context(), m_lckcon);
return m_lckcon;
}
void mc68328_device::llbar_w(u8 data) // 0xa29
{
LOGMASKED(LOG_LCD, "%s: llbar_w: LLBAR = %02x\n", machine().describe_context(), data);
m_llbar = data;
LOGMASKED(LOG_LCD, "%s: Address: %d\n", machine().describe_context(), m_llbar << (BIT(m_lpicf, LPICF_GS_BIT) ? 4 : 5));
}
u8 mc68328_device::llbar_r() // 0xa29
{
LOGMASKED(LOG_LCD, "%s: llbar_r: LLBAR: %02x\n", machine().describe_context(), m_llbar);
return m_llbar;
}
void mc68328_device::lotcr_w(u8 data) // 0xa2b
{
LOGMASKED(LOG_LCD, "%s: lotcr_w: LOTCR = %02x (Ignored)\n", machine().describe_context(), data);
}
u8 mc68328_device::lotcr_r() // 0xa2b
{
LOGMASKED(LOG_LCD, "%s: lotcr_r: LOTCR: %02x\n", machine().describe_context(), m_lotcr);
return m_lotcr;
}
void mc68328_base_device::lposr_w(u8 data) // 0xa2d
{
LOGMASKED(LOG_LCD, "%s: lposr_w: LPOSR = %02x\n", machine().describe_context(), data);
m_lposr = data;
LOGMASKED(LOG_LCD, "%s: Byte Offset: %d\n", machine().describe_context(), (m_lposr >> 3) & 0x01);
LOGMASKED(LOG_LCD, "%s: Pixel Offset: %d\n", machine().describe_context(), m_lposr & 0x07);
}
u8 mc68328_base_device::lposr_r() // 0xa2d
{
LOGMASKED(LOG_LCD, "%s: lposr_r: LPOSR: %02x\n", machine().describe_context(), m_lposr);
return m_lposr;
}
void mc68328_base_device::lfrcm_w(u8 data) // 0xa31
{
LOGMASKED(LOG_LCD, "%s: lfrcm_w: LFRCM = %02x\n", machine().describe_context(), data);
m_lfrcm = data;
LOGMASKED(LOG_LCD, "%s: X Modulation: %d\n", machine().describe_context(), (m_lfrcm >> 4) & 0x0f);
LOGMASKED(LOG_LCD, "%s: Y Modulation: %d\n", machine().describe_context(), m_lfrcm & 0x0f);
}
u8 mc68328_base_device::lfrcm_r() // 0xa31
{
LOGMASKED(LOG_LCD, "%s: lfrcm_r: LFRCM: %02x\n", machine().describe_context(), m_lfrcm);
return m_lfrcm;
}
void mc68328_device::lgpmr_w(u8 data) // 0xa32
{
LOGMASKED(LOG_LCD, "%s: lgpmr_w: LGPMR = %04x\n", machine().describe_context(), data);
m_lgpmr = data;
LOGMASKED(LOG_LCD, "%s: Palette 0: %d\n", machine().describe_context(), (m_lgpmr >> 8) & 0x07);
LOGMASKED(LOG_LCD, "%s: Palette 1: %d\n", machine().describe_context(), (m_lgpmr >> 12) & 0x07);
LOGMASKED(LOG_LCD, "%s: Palette 2: %d\n", machine().describe_context(), (m_lgpmr >> 0) & 0x07);
LOGMASKED(LOG_LCD, "%s: Palette 3: %d\n", machine().describe_context(), (m_lgpmr >> 4) & 0x07);
}
u16 mc68328_device::lgpmr_r() // 0xa32
{
LOGMASKED(LOG_LCD, "%s: lgpmr_r: LGPMR: %04x\n", machine().describe_context(), m_lgpmr);
return m_lgpmr;
}
//-------------------------------------------------
// LCD hardware - EZ variant
//-------------------------------------------------
void mc68ez328_device::lcd_update_info()
{
if (!m_lcd_update_pending)
{
return;
}
const u32 sysclk_divisor = VCO_DIVISORS[(m_pllcr & PLLCR_SYSCLK_SEL) >> PLLCR_SYSCLK_SHIFT];
attotime lcd_dma_duration = attotime::from_ticks(lcd_get_line_word_count() * sysclk_divisor, clock());
attotime lcd_scan_duration = lcd_get_line_rate();
attotime lcd_frame_duration = (lcd_scan_duration + lcd_dma_duration) * (m_lymax + 1) * 2;
constexpr u8 BIT_WIDTHS[4] = { 1, 2, 4, 0xff };
m_lcd_info_changed_cb(lcd_frame_duration.as_hz(), lcd_get_width(), m_lymax + 1, BIT_WIDTHS[(m_lpicf & LPICF_PBSIZ) >> LPICF_PBSIZ_SHIFT], BIT_WIDTHS[m_lpicf & LPICF_GS]);
m_lcd_update_pending = false;
}
u16 mc68ez328_device::lcd_get_lxmax_mask()
{
constexpr u16 LXMAX_MASK = 0x03f0;
return LXMAX_MASK;
}
int mc68ez328_device::lcd_get_width()
{
return m_lxmax & lcd_get_lxmax_mask();
}
u32 mc68ez328_device::lcd_get_line_word_count()
{
const u32 pixels_per_word = 16 / (1 << (m_lpicf & LPICF_GS));
const u32 data = (m_lxmax & lcd_get_lxmax_mask()) / pixels_per_word;
return data;
}
attotime mc68ez328_device::lcd_get_line_rate()
{
const u32 pixclk_divisor = VCO_DIVISORS[(m_pllcr & PLLCR_PIXCLK_SEL) >> PLLCR_PIXCLK_SHIFT];
const u32 pxcd = (m_lpxcd & LPXCD_MASK) + 1;
const u32 lrra_factor = 6 + m_lrra + (m_lxmax & lcd_get_lxmax_mask()) * 4;
const u32 ticks = lrra_factor * pxcd * pixclk_divisor;
return attotime::from_ticks(ticks, clock());
}
u8 mc68ez328_device::lcd_get_panel_bit_size()
{
constexpr u8 BIT_WIDTHS[4] = { 1, 2, 4, 1 };
return BIT_WIDTHS[(m_lpicf & LPICF_PBSIZ) >> LPICF_PBSIZ_SHIFT];
}
attotime mc68ez328_device::get_pixclk_rate()
{
u32 divisor = VCO_DIVISORS[(m_pllcr & PLLCR_PIXCLK_SEL) >> PLLCR_PIXCLK_SHIFT];
return attotime::from_ticks((m_lpxcd & LPXCD_MASK) + 1, clock() / divisor);
}
void mc68ez328_device::lpicf_w(u8 data) // 0xa20
{
static const char *const PBSIZ_NAMES[4] = { "1-bit", "2-bit", "4-bit", "Invalid" };
static const char *const GS_NAMES[4] = { "Monochrome", "4-level Grayscale", "16-level Grayscale", "Invalid" };
LOGMASKED(LOG_LCD, "%s: lpicf_w: LPICF = %02x\n", machine().describe_context(), data);
LOGMASKED(LOG_LCD, "%s: Grayscale Mode: %d\n", machine().describe_context(), GS_NAMES[data & LPICF_GS]);
LOGMASKED(LOG_LCD, "%s: Bus Size: %s\n", machine().describe_context(), PBSIZ_NAMES[(data & LPICF_PBSIZ) >> LPICF_PBSIZ_SHIFT]);
m_lcd_update_pending = m_lcd_update_pending || (m_lpicf != data);
m_lpicf = data;
}
void mc68ez328_device::lckcon_w(u8 data) // 0xa27
{
LOGMASKED(LOG_LCD, "%s: lckcon_w: LCKCON = %02x\n", machine().describe_context(), data);
LOGMASKED(LOG_LCD, "%s: LCDC Enable: %d\n", machine().describe_context(), BIT(data, LCKCON_LCDON_BIT));
LOGMASKED(LOG_LCD, "%s: Display Wait States: %d\n", machine().describe_context(), ((data & LCKCON_DWS) >> LCKCON_DWS_SHIFT) + 1);
LOGMASKED(LOG_LCD, "%s: Bus Width: %d\n", machine().describe_context(), BIT(data, LCKCON_DWIDTH_BIT) ? 8 : 16);
const u16 old = m_lckcon;
m_lckcon = data;
lcd_update_info();
if (BIT(old, LCKCON_LCDON_BIT) && !BIT(m_lckcon, LCKCON_LCDON_BIT))
{
m_lcd_scan->adjust(attotime::never);
}
else if (!BIT(old, LCKCON_LCDON_BIT) && BIT(m_lckcon, LCKCON_LCDON_BIT))
{
m_lcd_scan->adjust(attotime::never);
m_lcd_sysmem_ptr = m_lssa;
fill_lcd_dma_buffer();
}
}
void mc68ez328_device::lrra_w(u8 data) // 0xa29
{
LOGMASKED(LOG_LCD, "%s: lrra_w: LRRA = %02x\n", machine().describe_context(), data);
m_lcd_update_pending = m_lcd_update_pending || (m_lrra != data);
m_lrra = data;
}
u8 mc68ez328_device::lrra_r() // 0xa29
{
LOGMASKED(LOG_LCD, "%s: lrra_r: LRRA: %02x\n", machine().describe_context(), m_lrra);
return m_lrra;
}
void mc68ez328_device::pwmr_w(offs_t offset, u16 data, u16 mem_mask) // 0xa36
{
LOGMASKED(LOG_LCD, "%s: pwmr_w: PWMR = %04x\n", machine().describe_context(), data);
m_pwmr = data;
}
u16 mc68ez328_device::pwmr_r() // 0xa36
{
LOGMASKED(LOG_LCD, "%s: pwmr_r: PWMR: %04x\n", machine().describe_context(), m_lrra);
return m_pwmr;
}
//-------------------------------------------------
// RTC/alarm hardware - Standard MC68328
//-------------------------------------------------
TIMER_CALLBACK_MEMBER(mc68328_base_device::rtc_tick)
{
if (BIT(m_rtcctl, RTCCTL_ENABLE_BIT))
{
const bool rtc_int_was_active = rtc_int_is_active();
rtc_advance_seconds();
if (rtc_get_alarm_match())
{
m_rtcisr |= RTCINT_ALARM;
}
if (!rtc_int_was_active && rtc_int_is_active())
{
set_interrupt_line(INT_RTC, 1);
}
}
}
void mc68328_base_device::rtc_advance_seconds()
{
m_hmsr++;
if (m_rtcienr & RTCINT_SECOND)
{
m_rtcisr |= RTCINT_SECOND;
}
if ((m_hmsr & RTCHMSR_SECONDS) == 0x0000003c)
{
m_hmsr &= ~RTCHMSR_SECONDS;
m_hmsr += 1 << RTCHMSR_MINUTES_SHIFT;
if (m_rtcienr & RTCINT_MINUTE)
{
m_rtcisr |= RTCINT_MINUTE;
}
if ((m_hmsr & RTCHMSR_MINUTES) == 0x003c0000)
{
m_hmsr &= ~RTCHMSR_MINUTES;
m_hmsr += 1 << RTCHMSR_HOURS_SHIFT;
if ((m_hmsr & RTCHMSR_HOURS) == 0x18000000)
{
m_hmsr &= ~RTCHMSR_HOURS;
if (m_rtcienr & RTCINT_DAY)
{
m_rtcisr |= RTCINT_DAY;
}
}
}
if (m_stpwtch != RTCSTPWTCH_MASK)
{
m_stpwtch--;
m_stpwtch &= RTCSTPWTCH_MASK;
if (m_stpwtch == RTCSTPWTCH_MASK)
{
m_rtcisr |= RTCINT_STOPWATCH;
}
}
}
}
bool mc68328_device::rtc_int_is_active()
{
return m_rtcisr & m_rtcienr;
}
u16 mc68328_device::rtc_get_int_mask()
{
constexpr u16 RTCIENR_MASK = 0x001f;
return RTCIENR_MASK;
}
bool mc68328_device::rtc_get_alarm_match()
{
return m_hmsr == m_alarm;
}
void mc68328_base_device::hmsr_msw_w(offs_t offset, u16 data, u16 mem_mask) // 0xb00
{
LOGMASKED(LOG_RTC, "%s: hmsr_msw_w: HMSR(MSW) = %04x\n", machine().describe_context(), data);
m_hmsr &= ~(mem_mask << 16);
m_hmsr |= (data & mem_mask) << 16;
m_hmsr &= (RTCHMSR_SECONDS | RTCHMSR_MINUTES | RTCHMSR_HOURS);
}
u16 mc68328_base_device::hmsr_msw_r() // 0xb00
{
LOGMASKED(LOG_RTC, "%s: hmsr_msw_r: HMSR(MSW): %04x\n", machine().describe_context(), (u16)(m_hmsr >> 16));
return (u16)(m_hmsr >> 16);
}
void mc68328_base_device::hmsr_lsw_w(offs_t offset, u16 data, u16 mem_mask) // 0xb02
{
LOGMASKED(LOG_RTC, "%s: hmsr_lsw_w: HMSR(LSW) = %04x\n", machine().describe_context(), data);
m_hmsr &= 0xffff0000 | (~mem_mask);
m_hmsr |= data & mem_mask;
m_hmsr &= (RTCHMSR_SECONDS | RTCHMSR_MINUTES | RTCHMSR_HOURS);
}
u16 mc68328_base_device::hmsr_lsw_r() // 0xb02
{
LOGMASKED(LOG_RTC, "%s: hmsr_lsw_r: HMSR(LSW): %04x\n", machine().describe_context(), (u16)m_hmsr);
return (u16)m_hmsr;
}
void mc68328_base_device::alarm_msw_w(offs_t offset, u16 data, u16 mem_mask) // 0xb04
{
LOGMASKED(LOG_RTC, "%s: alarm_msw_w: ALARM(MSW) = %04x\n", machine().describe_context(), data);
m_alarm &= ~(mem_mask << 16);
m_alarm |= (data & mem_mask) << 16;
m_alarm &= (RTCHMSR_SECONDS | RTCHMSR_MINUTES | RTCHMSR_HOURS);
}
u16 mc68328_base_device::alarm_msw_r() // 0xb04
{
LOGMASKED(LOG_RTC, "%s: alarm_msw_r: ALARM(MSW): %04x\n", machine().describe_context(), (u16)(m_alarm >> 16));
return (u16)(m_alarm >> 16);
}
void mc68328_base_device::alarm_lsw_w(offs_t offset, u16 data, u16 mem_mask) // 0xb06
{
LOGMASKED(LOG_RTC, "%s: alarm_lsw_w: ALARM(LSW) = %04x\n", machine().describe_context(), data);
m_alarm &= 0xffff0000 | (~mem_mask);
m_alarm |= data & mem_mask;
m_alarm &= (RTCHMSR_SECONDS | RTCHMSR_MINUTES | RTCHMSR_HOURS);
}
u16 mc68328_base_device::alarm_lsw_r() // 0xb06
{
LOGMASKED(LOG_RTC, "%s: alarm_lsw_r: ALARM(LSW): %04x\n", machine().describe_context(), (u16)m_alarm);
return (u16)m_alarm;
}
void mc68328_base_device::rtcctl_w(offs_t offset, u16 data, u16 mem_mask) // 0xb0c
{
LOGMASKED(LOG_RTC, "%s: rtcctl_w: RTCCTL = %04x\n", machine().describe_context(), data);
m_rtcctl = data & RTCCTL_MASK;
}
u16 mc68328_base_device::rtcctl_r() // 0xb0c
{
LOGMASKED(LOG_RTC, "%s: rtcctl_r: RTCCTL: %04x\n", machine().describe_context(), m_rtcctl);
return m_rtcctl;
}
void mc68328_base_device::rtcisr_w(offs_t offset, u16 data, u16 mem_mask) // 0xb0e
{
const bool rtc_int_was_active = rtc_int_is_active();
LOGMASKED(LOG_RTC, "%s: rtcisr_w: RTCISR = %04x\n", machine().describe_context(), data);
m_rtcisr &= ~data;
if (rtc_int_was_active && !rtc_int_is_active())
{
set_interrupt_line(INT_RTC, 0);
}
}
u16 mc68328_base_device::rtcisr_r() // 0xb0e
{
LOGMASKED(LOG_RTC, "%s: rtcisr_r: RTCISR: %04x\n", machine().describe_context(), m_rtcisr);
return m_rtcisr;
}
void mc68328_base_device::rtcienr_w(offs_t offset, u16 data, u16 mem_mask) // 0xb10
{
const bool rtc_int_was_active = rtc_int_is_active();
LOGMASKED(LOG_RTC, "%s: rtcienr_w: RTCIENR = %04x\n", machine().describe_context(), data);
m_rtcienr = data & rtc_get_int_mask();
const bool is_active = rtc_int_is_active();
if (rtc_int_was_active != is_active)
{
set_interrupt_line(INT_RTC, (int)is_active);
}
}
u16 mc68328_base_device::rtcienr_r() // 0xb10
{
LOGMASKED(LOG_RTC, "%s: rtcienr_r: RTCIENR: %04x\n", machine().describe_context(), m_rtcienr);
return m_rtcienr;
}
void mc68328_base_device::stpwtch_w(offs_t offset, u16 data, u16 mem_mask) // 0xb12
{
LOGMASKED(LOG_RTC, "%s: stpwtch_w: STPWTCH = %04x\n", machine().describe_context(), data);
m_stpwtch = data & 0x003f;
}
u16 mc68328_base_device::stpwtch_r() // 0xb12
{
LOGMASKED(LOG_RTC, "%s: stpwtch_r: STPWTCH: %04x\n", machine().describe_context(), m_stpwtch);
return m_stpwtch;
}
//-------------------------------------------------
// RTC/alarm hardware - EZ variant
//-------------------------------------------------
bool mc68ez328_device::rtc_int_is_active()
{
return (m_rtcisr & m_rtcienr) & RTCINT_RTCIRQ_MASK;
}
void mc68ez328_device::rtc_advance_seconds()
{
LOGMASKED(LOG_RTC, "EZ advancing seconds!\n");
const u32 old_hmsr = m_hmsr;
mc68328_base_device::rtc_advance_seconds();
if ((old_hmsr & RTCHMSR_HOURS) != (m_hmsr & RTCHMSR_HOURS))
{
m_rtcisr |= RTCINT_HOUR;
if (((m_hmsr & RTCHMSR_HOURS) >> RTCHMSR_HOURS_SHIFT) == 0)
{
m_dayr = (m_dayr + 1) & RTC_DAYS_MASK;
}
}
if (BIT(m_watchdog, WATCHDOG_EN_BIT))
{
m_watchdog += 1 << WATCHDOG_CNT_SHIFT;
m_watchdog &= (WATCHDOG_MASK | WATCHDOG_CNT_MASK);
if (((m_watchdog & WATCHDOG_CNT_MASK) >> WATCHDOG_CNT_SHIFT) == 2)
{
if (BIT(m_watchdog, WATCHDOG_ISEL_BIT))
{
set_interrupt_line(INT_WDT, 1);
}
else
{
reset();
}
}
}
}
TIMER_CALLBACK_MEMBER(mc68ez328_device::sample_timer_tick)
{
if (!BIT(m_rtcctl, RTCCTL_ENABLE_BIT) && !BIT(m_watchdog, WATCHDOG_EN_BIT))
{
return;
}
const u8 old_sam_cnt = m_sam_cnt;
m_sam_cnt++;
const bool rtc_int_was_active = rtc_int_is_active();
m_rtcisr |= RTCINT_SAM0;
for (u8 i = 0; i < 7; i++)
{
if (BIT(old_sam_cnt, i) && !BIT(m_sam_cnt, i))
{
m_rtcisr |= RTCINT_SAM1 << i;
}
}
if (!rtc_int_was_active && rtc_int_is_active())
{
set_interrupt_line(INT_RTC, 1);
}
}
u16 mc68ez328_device::rtc_get_int_mask()
{
constexpr u16 RTCIENR_MASK = 0xff3f;
return RTCIENR_MASK;
}
bool mc68ez328_device::rtc_get_alarm_match()
{
return m_hmsr == m_alarm && m_dayr == m_dayalarm;
}
void mc68ez328_device::watchdog_w(offs_t offset, u16 data, u16 mem_mask)
{
LOGMASKED(LOG_RTC, "%s: watchdog_w: WATCHDOG = %04x\n", machine().describe_context(), data);
const u16 old_watchdog = m_watchdog;
m_watchdog = data & WATCHDOG_MASK;
if (BIT(data, WATCHDOG_INTF_BIT))
{
m_watchdog &= ~WATCHDOG_INTF;
if (BIT(old_watchdog, WATCHDOG_INTF_BIT))
{
set_interrupt_line(INT_WDT, 0);
}
}
}
u16 mc68ez328_device::watchdog_r()
{
LOGMASKED(LOG_RTC, "%s: watchdog_r: WATCHDOG: %04x\n", machine().describe_context(), m_watchdog);
return m_watchdog;
}
void mc68ez328_device::rtcctl_w(offs_t offset, u16 data, u16 mem_mask) // 0xb0c
{
const u16 old_rtcctl = m_rtcctl;
mc68328_base_device::rtcctl_w(offset, data, mem_mask);
if (BIT(old_rtcctl, RTCCTL_38_4_BIT) != BIT(m_rtcctl, RTCCTL_38_4_BIT))
{
const u32 frequency = BIT(m_rtcctl, RTCCTL_38_4_BIT) ? 38400 : 32768;
m_rtc_sample_timer->adjust(attotime::from_ticks(64, frequency), 0, attotime::from_ticks(64, frequency));
}
}
void mc68ez328_device::dayr_w(offs_t offset, u16 data, u16 mem_mask) // 0xb1a
{
LOGMASKED(LOG_RTC, "%s: dayr_w: DAYR = %04x\n", machine().describe_context(), data);
m_dayr = data & RTC_DAYS_MASK;
}
void mc68ez328_device::dayalarm_w(offs_t offset, u16 data, u16 mem_mask) // 0xb1c
{
LOGMASKED(LOG_RTC, "%s: dayalarm_w: DAYALARM = %04x\n", machine().describe_context(), data);
m_dayalarm = data & RTC_DAYS_MASK;
}
u16 mc68ez328_device::dayr_r() // 0xb1a
{
LOGMASKED(LOG_RTC, "%s: dayalarm_r: DAYR: %04x\n", machine().describe_context(), m_dayr);
return m_dayr;
}
u16 mc68ez328_device::dayalarm_r() // 0xb1c
{
LOGMASKED(LOG_RTC, "%s: dayalarm_r: DAYALARM: %04x\n", machine().describe_context(), m_dayalarm);
return m_dayalarm;
}
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