mirror of
https://github.com/holub/mame
synced 2025-04-16 05:24:54 +03:00
Added Konami 007452 multiplier/divider (#7951)
* Added 007452 multiplier/divider, fixes rolling mines trajectories in contra * Plugged k007452 in combatsc, flkatck, wecleman
This commit is contained in:
Furrtek
GitHub
parent
4a00326aed
commit
c1bf2b99cb
@ -2558,6 +2558,8 @@ files {
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MAME_DIR .. "src/mame/machine/k573msu.h",
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MAME_DIR .. "src/mame/machine/k573npu.cpp",
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MAME_DIR .. "src/mame/machine/k573npu.h",
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MAME_DIR .. "src/mame/machine/k007452.cpp",
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MAME_DIR .. "src/mame/machine/k007452.h",
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MAME_DIR .. "src/mame/machine/zs01.cpp",
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MAME_DIR .. "src/mame/machine/zs01.h",
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MAME_DIR .. "src/mame/drivers/labyrunr.cpp",
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@ -292,21 +292,6 @@ uint8_t combatsc_state::trackball_r(offs_t offset)
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}
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/* the protection is a simple multiply */
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void combatsc_state::protection_w(offs_t offset, uint8_t data)
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{
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m_prot[offset] = data;
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}
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uint8_t combatsc_state::protection_r(offs_t offset)
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{
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return ((m_prot[0] * m_prot[1]) >> (offset * 8)) & 0xff;
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}
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void combatsc_state::protection_clock_w(uint8_t data)
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{
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/* 0x3f is written here every time before accessing the other registers */
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}
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/****************************************************************************/
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void combatsc_state::combatsc_sh_irqtrigger_w(uint8_t data)
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@ -353,8 +338,7 @@ void combatsc_state::combatsc_map(address_map &map)
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map(0x0020, 0x005f).rw(FUNC(combatsc_state::combatsc_scrollram_r), FUNC(combatsc_state::combatsc_scrollram_w));
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// map(0x0060, 0x00ff).writeonly(); /* RAM */
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map(0x0200, 0x0201).rw(FUNC(combatsc_state::protection_r), FUNC(combatsc_state::protection_w));
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map(0x0206, 0x0206).w(FUNC(combatsc_state::protection_clock_w));
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map(0x0200, 0x0207).rw("k007452", FUNC(k007452_device::read), FUNC(k007452_device::write));
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map(0x0400, 0x0400).portr("IN0");
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map(0x0401, 0x0401).portr("DSW3"); /* DSW #3 */
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@ -660,7 +644,6 @@ MACHINE_START_MEMBER(combatsc_state,combatsc)
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save_item(NAME(m_bank_select));
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save_item(NAME(m_video_circuit));
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save_item(NAME(m_boost));
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save_item(NAME(m_prot));
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save_item(NAME(m_pos));
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save_item(NAME(m_sign));
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save_pointer(NAME(m_page[0]),0x2000);
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@ -684,8 +667,6 @@ void combatsc_state::machine_reset()
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m_vreg = -1;
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m_boost = 1;
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m_bank_select = -1;
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m_prot[0] = 0;
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m_prot[1] = 0;
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for (int i = 0; i < 4; i++)
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{
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@ -713,6 +694,8 @@ void combatsc_state::combatsc(machine_config &config)
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WATCHDOG_TIMER(config, "watchdog");
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KONAMI_007452_MATH(config, "k007452");
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/* video hardware */
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SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
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// m_screen->set_refresh_hz(60);
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@ -25,6 +25,7 @@ Dip locations and factory settings verified with manual
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#include "cpu/m6809/hd6309.h"
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#include "cpu/m6809/m6809.h"
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#include "machine/gen_latch.h"
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#include "machine/k007452.h"
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#include "sound/ym2151.h"
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#include "speaker.h"
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@ -59,10 +60,10 @@ void contra_state::contra_coin_counter_w(uint8_t data)
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machine().bookkeeping().coin_counter_w(1, (data & 0x02) >> 1);
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}
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void contra_state::contra_map(address_map &map)
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{
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map(0x0000, 0x0007).w(FUNC(contra_state::contra_K007121_ctrl_0_w));
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map(0x0008, 0x000f).rw("k007452", FUNC(k007452_device::read), FUNC(k007452_device::write));
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map(0x0010, 0x0010).portr("SYSTEM");
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map(0x0011, 0x0011).portr("P1");
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map(0x0012, 0x0012).portr("P2");
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@ -217,6 +218,7 @@ void contra_state::contra(machine_config &config)
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config.set_maximum_quantum(attotime::from_hz(6000)); /* enough for the sound CPU to read all commands */
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KONAMI_007452_MATH(config, "k007452");
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/* video hardware */
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SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
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@ -7,9 +7,6 @@
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Driver by:
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Manuel Abadia <emumanu+mame@gmail.com>
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TO DO:
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-What does 0x900X do? (Z80)
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NOTE: There is known to exist a USA version of Flak Attack - currently not dumped
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24MHz & 3.579545MHz OSCs
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@ -22,6 +19,7 @@ NOTE: There is known to exist a USA version of Flak Attack - currently not dumpe
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#include "cpu/z80/z80.h"
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#include "cpu/m6809/hd6309.h"
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#include "machine/k007452.h"
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#include "sound/ym2151.h"
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#include "screen.h"
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#include "speaker.h"
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@ -84,18 +82,6 @@ void flkatck_state::flkatck_ls138_w(offs_t offset, uint8_t data)
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}
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}
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/* Protection - an external multiplier connected to the sound CPU */
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uint8_t flkatck_state::multiply_r()
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{
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return (m_multiply_reg[0] * m_multiply_reg[1]) & 0xff;
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}
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void flkatck_state::multiply_w(offs_t offset, uint8_t data)
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{
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m_multiply_reg[offset] = data;
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}
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void flkatck_state::flkatck_map(address_map &map)
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{
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map(0x0000, 0x0007).ram().w(FUNC(flkatck_state::flkatck_k007121_regs_w)); /* 007121 registers */
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@ -113,11 +99,7 @@ void flkatck_state::flkatck_sound_map(address_map &map)
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{
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map(0x0000, 0x7fff).rom(); /* ROM */
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map(0x8000, 0x87ff).ram(); /* RAM */
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map(0x9000, 0x9000).r(FUNC(flkatck_state::multiply_r)); // 007452: Protection (see wecleman, but unused here?)
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map(0x9001, 0x9001).nopr(); // 007452: ?
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map(0x9000, 0x9001).w(FUNC(flkatck_state::multiply_w)); // 007452: Protection (see wecleman, but unused here?)
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map(0x9004, 0x9004).nopr(); // 007452: ?
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map(0x9006, 0x9006).nopw(); // 007452: ?
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map(0x9000, 0x9007).rw("k007452", FUNC(k007452_device::read), FUNC(k007452_device::write)); // Protection (see wecleman, but unused here?)
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map(0xa000, 0xa000).r(m_soundlatch, FUNC(generic_latch_8_device::read));
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map(0xb000, 0xb00d).rw(m_k007232, FUNC(k007232_device::read), FUNC(k007232_device::write)); /* 007232 registers */
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map(0xc000, 0xc001).rw("ymsnd", FUNC(ym2151_device::read), FUNC(ym2151_device::write)); /* YM2151 */
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@ -201,7 +183,6 @@ void flkatck_state::machine_start()
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membank("bank1")->configure_entries(0, 3, &ROM[0x10000], 0x2000);
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save_item(NAME(m_irq_enabled));
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save_item(NAME(m_multiply_reg));
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save_item(NAME(m_flipscreen));
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}
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@ -210,8 +191,6 @@ void flkatck_state::machine_reset()
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m_k007232->set_bank(0, 1);
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m_irq_enabled = 0;
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m_multiply_reg[0] = 0;
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m_multiply_reg[1] = 0;
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m_flipscreen = 0;
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}
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@ -228,6 +207,8 @@ void flkatck_state::flkatck(machine_config &config)
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config.set_maximum_quantum(attotime::from_hz(600));
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WATCHDOG_TIMER(config, m_watchdog);
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KONAMI_007452_MATH(config, "k007452");
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/* video hardware */
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screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
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@ -278,6 +278,7 @@ TODO:
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#include "cpu/z80/z80.h"
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#include "machine/adc0804.h"
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#include "machine/gen_latch.h"
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#include "machine/k007452.h"
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#include "sound/ym2151.h"
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#include "speaker.h"
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@ -608,17 +609,6 @@ void hotchase_state::hotchase_sub_map(address_map &map)
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WEC Le Mans 24 Sound CPU Handlers
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***************************************************************************/
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/* Protection - an external multiplier connected to the sound CPU */
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uint8_t wecleman_state::multiply_r()
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{
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return (m_multiply_reg[0] * m_multiply_reg[1]) & 0xFF;
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}
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void wecleman_state::multiply_w(offs_t offset, uint8_t data)
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{
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m_multiply_reg[offset] = data;
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}
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/* K007232 registers reminder:
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[Ch A] [Ch B] [Meaning]
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@ -651,9 +641,7 @@ void wecleman_state::wecleman_sound_map(address_map &map)
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map(0x0000, 0x7fff).rom();
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map(0x8000, 0x83ff).ram();
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map(0x8500, 0x8500).nopw(); // increased with speed (global volume)?
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map(0x9000, 0x9000).r(FUNC(wecleman_state::multiply_r)); // 007452: Protection
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map(0x9000, 0x9001).w(FUNC(wecleman_state::multiply_w)); // 007452: Protection
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map(0x9006, 0x9006).nopw(); // 007452: ?
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map(0x9000, 0x9007).rw("k007452", FUNC(k007452_device::read), FUNC(k007452_device::write)); // Protection
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map(0xa000, 0xa000).r("soundlatch", FUNC(generic_latch_8_device::read)); // From main CPU
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map(0xb000, 0xb00d).rw("k007232_1", FUNC(k007232_device::read), FUNC(k007232_device::write)); // K007232 (Reading offset 5/b triggers the sample)
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map(0xc000, 0xc001).rw("ymsnd", FUNC(ym2151_device::read), FUNC(ym2151_device::write));
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@ -1068,6 +1056,8 @@ void wecleman_state::wecleman(machine_config &config)
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adc0804_device &adc(ADC0804(config, "adc", 640000)); // unknown "ADCCLK" (generated on video board?)
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adc.vin_callback().set(FUNC(wecleman_state::selected_ip_r));
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KONAMI_007452_MATH(config, "k007452");
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/* video hardware */
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SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
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m_screen->set_refresh_hz(60);
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@ -14,6 +14,7 @@
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#include "sound/upd7759.h"
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#include "sound/msm5205.h"
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#include "video/k007121.h"
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#include "machine/k007452.h"
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#include "emupal.h"
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#include "screen.h"
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#include "tilemap.h"
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@ -27,6 +28,7 @@ public:
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m_audiocpu(*this, "audiocpu"),
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m_k007121_1(*this, "k007121_1"),
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m_k007121_2(*this, "k007121_2"),
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m_k007452(*this, "k007452"),
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m_upd7759(*this, "upd"),
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m_msm(*this, "msm"),
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m_screen(*this, "screen"),
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@ -59,7 +61,6 @@ public:
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/* misc */
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uint8_t m_pos[4];
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uint8_t m_sign[4];
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int m_prot[2];
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int m_boost;
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emu_timer *m_interleave_timer;
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@ -69,6 +70,7 @@ public:
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required_device<cpu_device> m_audiocpu;
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optional_device<k007121_device> m_k007121_1;
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optional_device<k007121_device> m_k007121_2;
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optional_device<k007452_device> m_k007452;
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optional_device<upd7759_device> m_upd7759;
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optional_device<msm5205_device> m_msm;
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required_device<screen_device> m_screen;
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@ -86,10 +88,7 @@ public:
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void combatscb_bankselect_w(address_space &space, uint8_t data);
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void combatsc_coin_counter_w(uint8_t data);
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uint8_t trackball_r(offs_t offset);
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void protection_w(offs_t offset, uint8_t data);
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uint8_t protection_r(offs_t offset);
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uint8_t unk_r();
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void protection_clock_w(uint8_t data);
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void combatsc_sh_irqtrigger_w(uint8_t data);
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uint8_t combatsc_video_r(offs_t offset);
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void combatsc_video_w(offs_t offset, uint8_t data);
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@ -11,6 +11,7 @@
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#pragma once
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#include "video/k007121.h"
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#include "machine/k007452.h"
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#include "emupal.h"
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#include "screen.h"
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#include "tilemap.h"
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@ -31,12 +32,13 @@ public:
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m_audiocpu(*this, "audiocpu"),
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m_k007121_1(*this, "k007121_1"),
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m_k007121_2(*this, "k007121_2"),
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m_k007452(*this, "k007452"),
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m_maincpu(*this, "maincpu"),
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m_gfxdecode(*this, "gfxdecode"),
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m_screen(*this, "screen"),
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m_palette(*this, "palette")
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{ }
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/* memory pointers */
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std::unique_ptr<uint8_t[]> m_buffered_spriteram;
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std::unique_ptr<uint8_t[]> m_buffered_spriteram_2;
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@ -61,6 +63,7 @@ public:
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required_device<cpu_device> m_audiocpu;
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required_device<k007121_device> m_k007121_1;
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required_device<k007121_device> m_k007121_2;
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required_device<k007452_device> m_k007452;
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void contra_bankswitch_w(uint8_t data);
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void contra_sh_irqtrigger_w(uint8_t data);
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void sirq_clear_w(uint8_t data);
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@ -12,6 +12,7 @@
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#include "machine/gen_latch.h"
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#include "machine/watchdog.h"
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#include "machine/k007452.h"
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#include "sound/k007232.h"
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#include "video/k007121.h"
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#include "tilemap.h"
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@ -27,6 +28,7 @@ public:
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m_audiocpu(*this, "audiocpu"),
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m_k007121(*this, "k007121"),
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m_k007232(*this, "k007232"),
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m_k007452(*this, "k007452"),
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m_watchdog(*this, "watchdog"),
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m_gfxdecode(*this, "gfxdecode"),
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m_soundlatch(*this, "soundlatch")
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@ -45,13 +47,13 @@ private:
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/* misc */
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int m_irq_enabled;
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int m_multiply_reg[2];
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/* devices */
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required_device<cpu_device> m_maincpu;
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required_device<cpu_device> m_audiocpu;
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required_device<k007121_device> m_k007121;
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required_device<k007232_device> m_k007232;
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required_device<k007452_device> m_k007452;
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required_device<watchdog_timer_device> m_watchdog;
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required_device<gfxdecode_device> m_gfxdecode;
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required_device<generic_latch_8_device> m_soundlatch;
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@ -59,8 +61,6 @@ private:
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void flkatck_bankswitch_w(uint8_t data);
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uint8_t flkatck_ls138_r(offs_t offset);
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void flkatck_ls138_w(offs_t offset, uint8_t data);
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uint8_t multiply_r();
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void multiply_w(offs_t offset, uint8_t data);
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void vram_w(offs_t offset, uint8_t data);
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void flkatck_k007121_regs_w(offs_t offset, uint8_t data);
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TILE_GET_INFO_MEMBER(get_tile_info_A);
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@ -8,6 +8,7 @@
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#include "machine/timer.h"
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#include "sound/k007232.h"
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#include "video/k051316.h"
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#include "machine/k007452.h"
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#include "emupal.h"
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#include "screen.h"
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#include "tilemap.h"
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@ -31,6 +32,7 @@ public:
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, m_subcpu(*this, "sub")
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, m_k051316(*this, "k051316_%u", 1)
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, m_k007232(*this, "k007232_%u", 1)
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, m_k007452(*this, "k007452")
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, m_gfxdecode(*this, "gfxdecode")
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, m_palette(*this, "palette")
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, m_screen(*this, "screen")
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@ -65,7 +67,6 @@ protected:
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required_region_ptr<uint8_t> m_sprite_region;
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int m_multiply_reg[2];
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int m_spr_color_offs;
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int m_prot_state;
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int m_selected_ip;
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@ -97,8 +98,6 @@ protected:
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void selected_ip_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
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uint8_t selected_ip_r();
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void blitter_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
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uint8_t multiply_r();
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void multiply_w(offs_t offset, uint8_t data);
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void wecleman_txtram_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
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void wecleman_pageram_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
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@ -125,6 +124,7 @@ protected:
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required_device<cpu_device> m_subcpu;
|
||||
optional_device_array<k051316_device, 2> m_k051316;
|
||||
optional_device_array<k007232_device, 3> m_k007232;
|
||||
optional_device<k007452_device> m_k007452;
|
||||
required_device<gfxdecode_device> m_gfxdecode;
|
||||
required_device<palette_device> m_palette;
|
||||
required_device<screen_device> m_screen;
|
||||
|
||||
101
src/mame/machine/k007452.cpp
Normal file
101
src/mame/machine/k007452.cpp
Normal file
@ -0,0 +1,101 @@
|
||||
// license:BSD-3-Clause
|
||||
// copyright-holders:Sean Gonsalves
|
||||
/***************************************************************************
|
||||
|
||||
Konami 007452 multiplier/divider
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
#include "emu.h"
|
||||
#include "k007452.h"
|
||||
|
||||
//**************************************************************************
|
||||
// CONSTANTS
|
||||
//**************************************************************************
|
||||
|
||||
// device type definition
|
||||
DEFINE_DEVICE_TYPE(KONAMI_007452_MATH, k007452_device, "konami_007452", "Konami 007452 math chip")
|
||||
|
||||
//-------------------------------------------------
|
||||
// k007452_device - constructor
|
||||
//-------------------------------------------------
|
||||
|
||||
k007452_device::k007452_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
|
||||
: device_t(mconfig, KONAMI_007452_MATH, tag, owner, clock)
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// read - read the registers
|
||||
//-------------------------------------------------
|
||||
|
||||
uint8_t k007452_device::read(offs_t offset)
|
||||
{
|
||||
switch (offset & 7)
|
||||
{
|
||||
case 0: return m_multiply_result & 0xff;
|
||||
case 1: return (m_multiply_result >> 8) & 0xff;
|
||||
case 2: return m_divide_remainder & 0xff;
|
||||
case 3: return (m_divide_remainder >> 8) & 0xff;
|
||||
case 4: return m_divide_quotient & 0xff;
|
||||
case 5: return (m_divide_quotient >> 8) & 0xff;
|
||||
default: return 0;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// write - write to the registers
|
||||
//-------------------------------------------------
|
||||
|
||||
void k007452_device::write(offs_t offset, u8 data)
|
||||
{
|
||||
if (offset < 6) m_math_regs[offset] = data;
|
||||
|
||||
if (offset == 1)
|
||||
{
|
||||
// Starts multiplication process
|
||||
m_multiply_result = m_math_regs[0] * m_math_regs[1];
|
||||
}
|
||||
else if (offset == 5)
|
||||
{
|
||||
// Starts division process
|
||||
u16 dividend = (m_math_regs[4]<<8) + m_math_regs[5];
|
||||
u16 divisor = (m_math_regs[2]<<8) + m_math_regs[3];
|
||||
if (!divisor) {
|
||||
m_divide_quotient = 0xffff;
|
||||
m_divide_remainder = 0x0000;
|
||||
} else {
|
||||
m_divide_quotient = dividend / divisor;
|
||||
m_divide_remainder = dividend % divisor;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_start - device-specific startup
|
||||
//-------------------------------------------------
|
||||
|
||||
void k007452_device::device_start()
|
||||
{
|
||||
save_item(NAME(m_math_regs));
|
||||
save_item(NAME(m_multiply_result));
|
||||
save_item(NAME(m_divide_quotient));
|
||||
save_item(NAME(m_divide_remainder));
|
||||
}
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_reset - device-specific reset
|
||||
//-------------------------------------------------
|
||||
|
||||
void k007452_device::device_reset()
|
||||
{
|
||||
std::fill(std::begin(m_math_regs), std::end(m_math_regs), 0);
|
||||
m_multiply_result = 0;
|
||||
m_divide_quotient = 0;
|
||||
m_divide_remainder = 0;
|
||||
}
|
||||
|
||||
46
src/mame/machine/k007452.h
Normal file
46
src/mame/machine/k007452.h
Normal file
@ -0,0 +1,46 @@
|
||||
// license:BSD-3-Clause
|
||||
// copyright-holders:Sean Gonsalves
|
||||
/***************************************************************************
|
||||
|
||||
Konami 007452 multiplier/divider
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
#ifndef MAME_MACHINE_K007452_H
|
||||
#define MAME_MACHINE_K007452_H
|
||||
|
||||
#pragma once
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// TYPE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
class k007452_device : public device_t
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
k007452_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
|
||||
|
||||
// public interface
|
||||
u8 read(offs_t offset);
|
||||
void write(offs_t offset, u8 data);
|
||||
|
||||
protected:
|
||||
// device-level overrides
|
||||
virtual void device_start() override;
|
||||
virtual void device_reset() override;
|
||||
|
||||
private:
|
||||
// internal state
|
||||
u32 m_math_regs[6];
|
||||
u16 m_multiply_result;
|
||||
u16 m_divide_quotient;
|
||||
u16 m_divide_remainder;
|
||||
};
|
||||
|
||||
// device type definition
|
||||
DECLARE_DEVICE_TYPE(KONAMI_007452_MATH, k007452_device)
|
||||
|
||||
|
||||
#endif // MAME_MACHINE_K007452_H
|
||||
Loading…
Reference in New Issue
Block a user