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dec0.c: convert slyspy tilemap protection to use bankdev [Alex Jackson]

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This commit is contained in:
Alex W. Jackson 2014-07-18 22:31:24 +00:00
parent cb29e21a1a
commit 2c80f93583
2 changed files with 44 additions and 83 deletions
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121
src/mame/drivers/dec0.c
View File

@ -166,7 +166,6 @@ Notes:
#include "sound/2203intf.h" #include "sound/2203intf.h"
#include "sound/3812intf.h" #include "sound/3812intf.h"
#include "sound/okim6295.h" #include "sound/okim6295.h"
#include "sound/msm5205.h"
/******************************************************************************/ /******************************************************************************/
@ -396,100 +395,52 @@ READ16_MEMBER(dec0_state::slyspy_protection_r)
*/ */
WRITE16_MEMBER(dec0_state::unmapped_w)
{
// fall through for unmapped protection areas
logerror("unmapped memory write to %04x = %04x in mode %d\n", 0x240000+offset*2, data, m_slyspy_state);
}
void slyspy_set_protection_map(running_machine& machine, int type);
WRITE16_MEMBER(dec0_state::slyspy_state_w) WRITE16_MEMBER(dec0_state::slyspy_state_w)
{ {
m_slyspy_state=0; m_slyspy_state = 0;
slyspy_set_protection_map(m_slyspy_state); m_pfprotect->set_bank(m_slyspy_state);
} }
READ16_MEMBER(dec0_state::slyspy_state_r) READ16_MEMBER(dec0_state::slyspy_state_r)
{ {
m_slyspy_state++; m_slyspy_state = (m_slyspy_state + 1) % 4;
m_slyspy_state=m_slyspy_state%4; m_pfprotect->set_bank(m_slyspy_state);
slyspy_set_protection_map(m_slyspy_state);
return 0; /* Value doesn't mater */ return 0; /* Value doesn't mater */
} }
void dec0_state::slyspy_set_protection_map( int type)
{
address_space& space = m_maincpu->space(AS_PROGRAM);
space.install_write_handler( 0x240000, 0x24ffff, write16_delegate(FUNC(dec0_state::unmapped_w),this));
space.install_write_handler( 0x24a000, 0x24a001, write16_delegate(FUNC(dec0_state::slyspy_state_w),this));
space.install_read_handler( 0x244000, 0x244001, read16_delegate(FUNC(dec0_state::slyspy_state_r),this));
switch (type)
{
case 0:
space.install_write_handler(0x240000, 0x240007, write16_delegate(FUNC(deco_bac06_device::pf_control_0_w), (deco_bac06_device*)m_tilegen2));
space.install_write_handler(0x240010, 0x240017, write16_delegate(FUNC(deco_bac06_device::pf_control_1_w), (deco_bac06_device*)m_tilegen2));
space.install_write_handler(0x242000, 0x24207f, write16_delegate(FUNC(deco_bac06_device::pf_colscroll_w), (deco_bac06_device*)m_tilegen2));
space.install_write_handler(0x242400, 0x2427ff, write16_delegate(FUNC(deco_bac06_device::pf_rowscroll_w), (deco_bac06_device*)m_tilegen2));
space.install_write_handler(0x246000, 0x247fff, write16_delegate(FUNC(deco_bac06_device::pf_data_w), (deco_bac06_device*)m_tilegen2));
space.install_write_handler(0x248000, 0x280007, write16_delegate(FUNC(deco_bac06_device::pf_control_0_w), (deco_bac06_device*)m_tilegen1));
space.install_write_handler(0x248010, 0x280017, write16_delegate(FUNC(deco_bac06_device::pf_control_1_w), (deco_bac06_device*)m_tilegen1));
space.install_write_handler(0x24c000, 0x24c07f, write16_delegate(FUNC(deco_bac06_device::pf_colscroll_w), (deco_bac06_device*)m_tilegen1));
space.install_write_handler(0x24c400, 0x24c7ff, write16_delegate(FUNC(deco_bac06_device::pf_rowscroll_w), (deco_bac06_device*)m_tilegen1));
space.install_write_handler(0x24e000, 0x24ffff, write16_delegate(FUNC(deco_bac06_device::pf_data_w), (deco_bac06_device*)m_tilegen1));
break;
case 1:
// 0x240000 - 0x241fff not mapped
// 0x242000 - 0x243fff not mapped
// 0x246000 - 0x247fff not mapped
space.install_write_handler(0x248000, 0x249fff, write16_delegate(FUNC(deco_bac06_device::pf_data_w), (deco_bac06_device*)m_tilegen1));
space.install_write_handler(0x24c000, 0x24dfff, write16_delegate(FUNC(deco_bac06_device::pf_data_w), (deco_bac06_device*)m_tilegen2));
// 0x24e000 - 0x24ffff not mapped
break;
case 2:
space.install_write_handler(0x240000, 0x241fff, write16_delegate(FUNC(deco_bac06_device::pf_data_w), (deco_bac06_device*)m_tilegen2));
space.install_write_handler(0x242000, 0x243fff, write16_delegate(FUNC(deco_bac06_device::pf_data_w), (deco_bac06_device*)m_tilegen1));
// 0x242000 - 0x243fff not mapped
// 0x246000 - 0x247fff not mapped
// 0x248000 - 0x249fff not mapped
// 0x24c000 - 0x24dfff not mapped
space.install_write_handler(0x24e000, 0x24ffff, write16_delegate(FUNC(deco_bac06_device::pf_data_w), (deco_bac06_device*)m_tilegen1));
break;
case 3:
space.install_write_handler(0x240000, 0x241fff, write16_delegate(FUNC(deco_bac06_device::pf_data_w), (deco_bac06_device*)m_tilegen1));
// 0x242000 - 0x243fff not mapped
// 0x246000 - 0x247fff not mapped
space.install_write_handler(0x248000, 0x249fff, write16_delegate(FUNC(deco_bac06_device::pf_data_w), (deco_bac06_device*)m_tilegen2));
// 0x24c000 - 0x24dfff not mapped
// 0x24e000 - 0x24ffff not mapped
break;
}
}
static ADDRESS_MAP_START( slyspy_protection_map, AS_PROGRAM, 16, dec0_state )
AM_RANGE(0x04000, 0x04001) AM_MIRROR(0x30000) AM_READ(slyspy_state_r)
AM_RANGE(0x0a000, 0x0a001) AM_MIRROR(0x30000) AM_WRITE(slyspy_state_w)
// Default state (called by Traps 1, 3, 4, 7, C)
AM_RANGE(0x00000, 0x00007) AM_DEVWRITE("tilegen2", deco_bac06_device, pf_control_0_w)
AM_RANGE(0x00010, 0x00017) AM_DEVWRITE("tilegen2", deco_bac06_device, pf_control_1_w)
AM_RANGE(0x02000, 0x0207f) AM_DEVWRITE("tilegen2", deco_bac06_device, pf_colscroll_w)
AM_RANGE(0x02400, 0x027ff) AM_DEVWRITE("tilegen2", deco_bac06_device, pf_rowscroll_w)
AM_RANGE(0x06000, 0x07fff) AM_DEVWRITE("tilegen2", deco_bac06_device, pf_data_w)
AM_RANGE(0x08000, 0x08007) AM_DEVWRITE("tilegen1", deco_bac06_device, pf_control_0_w)
AM_RANGE(0x08010, 0x08017) AM_DEVWRITE("tilegen1", deco_bac06_device, pf_control_1_w)
AM_RANGE(0x0c000, 0x0c07f) AM_DEVWRITE("tilegen1", deco_bac06_device, pf_colscroll_w)
AM_RANGE(0x0c400, 0x0c7ff) AM_DEVWRITE("tilegen1", deco_bac06_device, pf_rowscroll_w)
AM_RANGE(0x0e000, 0x0ffff) AM_DEVWRITE("tilegen1", deco_bac06_device, pf_data_w)
// State 1 (Called by Trap 9)
AM_RANGE(0x18000, 0x19fff) AM_DEVWRITE("tilegen1", deco_bac06_device, pf_data_w)
AM_RANGE(0x1c000, 0x1dfff) AM_DEVWRITE("tilegen2", deco_bac06_device, pf_data_w)
// State 2 (Called by Trap A)
AM_RANGE(0x20000, 0x21fff) AM_DEVWRITE("tilegen2", deco_bac06_device, pf_data_w)
AM_RANGE(0x22000, 0x23fff) AM_DEVWRITE("tilegen1", deco_bac06_device, pf_data_w)
AM_RANGE(0x2e000, 0x2ffff) AM_DEVWRITE("tilegen1", deco_bac06_device, pf_data_w)
// State 3 (Called by Trap B)
AM_RANGE(0x30000, 0x31fff) AM_DEVWRITE("tilegen1", deco_bac06_device, pf_data_w)
AM_RANGE(0x38000, 0x39fff) AM_DEVWRITE("tilegen2", deco_bac06_device, pf_data_w)
ADDRESS_MAP_END
static ADDRESS_MAP_START( slyspy_map, AS_PROGRAM, 16, dec0_state ) static ADDRESS_MAP_START( slyspy_map, AS_PROGRAM, 16, dec0_state )
AM_RANGE(0x000000, 0x05ffff) AM_ROM AM_RANGE(0x000000, 0x05ffff) AM_ROM
/* The location of p1 & pf2 can change in the 240000 - 24ffff region according to protection */ /* The location of pf1 & pf2 can change in the 240000 - 24ffff region according to protection */
AM_RANGE(0x240000, 0x24ffff) AM_DEVICE("pfprotect", address_map_bank_device, amap16)
/* Pf3 is unaffected by protection */ /* Pf3 is unaffected by protection */
AM_RANGE(0x300000, 0x300007) AM_DEVWRITE("tilegen3", deco_bac06_device, pf_control_0_w) AM_RANGE(0x300000, 0x300007) AM_DEVWRITE("tilegen3", deco_bac06_device, pf_control_0_w)
@ -1618,7 +1569,8 @@ MACHINE_CONFIG_END
MACHINE_RESET_MEMBER(dec0_state,slyspy) MACHINE_RESET_MEMBER(dec0_state,slyspy)
{ {
// set initial memory map // set initial memory map
slyspy_set_protection_map(0); m_slyspy_state = 0;
m_pfprotect->set_bank(m_slyspy_state);
} }
static MACHINE_CONFIG_DERIVED( slyspy, dec1 ) static MACHINE_CONFIG_DERIVED( slyspy, dec1 )
@ -1631,6 +1583,13 @@ static MACHINE_CONFIG_DERIVED( slyspy, dec1 )
MCFG_CPU_ADD("audiocpu", H6280, XTAL_12MHz/2/3) /* verified on pcb (6Mhz is XIN on pin 10 of H6280, verified on pcb */ MCFG_CPU_ADD("audiocpu", H6280, XTAL_12MHz/2/3) /* verified on pcb (6Mhz is XIN on pin 10 of H6280, verified on pcb */
MCFG_CPU_PROGRAM_MAP(slyspy_s_map) MCFG_CPU_PROGRAM_MAP(slyspy_s_map)
MCFG_DEVICE_ADD("pfprotect", ADDRESS_MAP_BANK, 0)
MCFG_DEVICE_PROGRAM_MAP(slyspy_protection_map)
MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_BIG)
MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(16)
MCFG_ADDRESS_MAP_BANK_ADDRBUS_WIDTH(18)
MCFG_ADDRESS_MAP_BANK_STRIDE(0x10000)
/* video hardware */ /* video hardware */
MCFG_SCREEN_MODIFY("screen") MCFG_SCREEN_MODIFY("screen")
MCFG_SCREEN_UPDATE_DRIVER(dec0_state, screen_update_slyspy) MCFG_SCREEN_UPDATE_DRIVER(dec0_state, screen_update_slyspy)

6
src/mame/includes/dec0.h
View File

@ -1,3 +1,4 @@
#include "machine/bankdev.h"
#include "video/decbac06.h" #include "video/decbac06.h"
#include "video/decmxc06.h" #include "video/decmxc06.h"
#include "sound/msm5205.h" #include "sound/msm5205.h"
@ -16,6 +17,7 @@ public:
m_tilegen2(*this, "tilegen2"), m_tilegen2(*this, "tilegen2"),
m_tilegen3(*this, "tilegen3"), m_tilegen3(*this, "tilegen3"),
m_spritegen(*this, "spritegen"), m_spritegen(*this, "spritegen"),
m_pfprotect(*this, "pfprotect"),
m_maincpu(*this, "maincpu"), m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"), m_audiocpu(*this, "audiocpu"),
m_subcpu(*this, "sub"), m_subcpu(*this, "sub"),
@ -34,6 +36,8 @@ public:
optional_device<deco_bac06_device> m_tilegen3; optional_device<deco_bac06_device> m_tilegen3;
optional_device<deco_mxc06_device> m_spritegen; optional_device<deco_mxc06_device> m_spritegen;
optional_device<address_map_bank_device> m_pfprotect;
int m_GAME; int m_GAME;
int m_i8751_return; int m_i8751_return;
int m_i8751_command; int m_i8751_command;
@ -47,7 +51,6 @@ public:
DECLARE_WRITE16_MEMBER(dec0_control_w); DECLARE_WRITE16_MEMBER(dec0_control_w);
DECLARE_WRITE16_MEMBER(slyspy_control_w); DECLARE_WRITE16_MEMBER(slyspy_control_w);
DECLARE_WRITE16_MEMBER(midres_sound_w); DECLARE_WRITE16_MEMBER(midres_sound_w);
DECLARE_WRITE16_MEMBER(unmapped_w);
DECLARE_READ16_MEMBER(slyspy_controls_r); DECLARE_READ16_MEMBER(slyspy_controls_r);
DECLARE_READ16_MEMBER(slyspy_protection_r); DECLARE_READ16_MEMBER(slyspy_protection_r);
DECLARE_WRITE16_MEMBER(slyspy_state_w); DECLARE_WRITE16_MEMBER(slyspy_state_w);
@ -91,7 +94,6 @@ public:
void dec0_i8751_write(int data); void dec0_i8751_write(int data);
void dec0_i8751_reset(); void dec0_i8751_reset();
void h6280_decrypt(const char *cputag); void h6280_decrypt(const char *cputag);
void slyspy_set_protection_map( int type);
DECLARE_WRITE_LINE_MEMBER(sound_irq); DECLARE_WRITE_LINE_MEMBER(sound_irq);
DECLARE_WRITE_LINE_MEMBER(sound_irq2); DECLARE_WRITE_LINE_MEMBER(sound_irq2);
required_device<cpu_device> m_maincpu; required_device<cpu_device> m_maincpu;