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majtitl2: Use parallel EEPROM device

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This commit is contained in:
AJR 2020-12-03 13:40:23 -05:00
parent 0c076ffcc7
commit 838c47fbec
2 changed files with 17 additions and 33 deletions
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46
src/mame/drivers/m92.cpp
View File

@ -64,7 +64,7 @@ Glitch list!
Irem Skins:
- EEPROM load/save not yet implemented - when done, MT2EEP should
be removed from the ROM definition.
be removed from the ROM definition. (?)
LeagueMan:
Raster effects don't work properly (not even cpu time per line?).
@ -211,9 +211,9 @@ psoldier dip locations still need verification.
#include "includes/iremipt.h"
#include "cpu/nec/nec.h"
#include "machine/eeprompar.h"
#include "machine/gen_latch.h"
#include "machine/irem_cpu.h"
#include "machine/nvram.h"
#include "sound/ym2151.h"
#include "sound/iremga20.h"
#include "speaker.h"
@ -259,19 +259,6 @@ TIMER_DEVICE_CALLBACK_MEMBER(m92_state::scanline_interrupt)
/*****************************************************************************/
uint16_t m92_state::eeprom_r(offs_t offset)
{
// logerror("%05x: EEPROM RE %04x\n",m_maincpu->pc(),offset);
return m_eeprom[offset] | 0xff00;
}
void m92_state::eeprom_w(offs_t offset, uint16_t data, uint16_t mem_mask)
{
// logerror("%05x: EEPROM WR %04x\n",m_maincpu->pc(),offset);
if (ACCESSING_BITS_0_7)
m_eeprom[offset] = data;
}
void m92_state::coincounter_w(uint8_t data)
{
machine().bookkeeping().coin_counter_w(0, data & 0x01);
@ -350,7 +337,7 @@ void m92_state::m92_banked_map(address_map &map)
void m92_state::majtitl2_map(address_map &map)
{
m92_banked_map(map);
map(0xf0000, 0xf3fff).rw(FUNC(m92_state::eeprom_r), FUNC(m92_state::eeprom_w)).share("eeprom");
map(0xf0000, 0xf3fff).rw("eeprom", FUNC(eeprom_parallel_28xx_device::read), FUNC(eeprom_parallel_28xx_device::write)).umask16(0x00ff);
}
void m92_state::m92_portmap(address_map &map)
@ -1012,7 +999,8 @@ void m92_state::majtitl2(machine_config &config)
{
m92_banked(config);
m_maincpu->set_addrmap(AS_PROGRAM, &m92_state::majtitl2_map);
NVRAM(config, "eeprom", nvram_device::DEFAULT_ALL_0);
EEPROM_2864(config, "eeprom"); // D28C64C-20
m_soundcpu->set_decryption_table(majtitl2_decryption_table);
}
@ -1183,8 +1171,8 @@ ROM_START( skingame )
ROM_REGION( 0x80000, "irem", 0 )
ROM_LOAD( "k0d.ic8", 0x000000, 0x80000, CRC(713b9e9f) SHA1(91384d67d4ba9c7d926fbecb077293c661b8ec83) )
ROM_REGION( 0x4000, "eeprom", 0 ) /* D28C64C-20 EEPROM */
ROM_LOAD( "mt2eep", 0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) )
ROM_REGION( 0x2000, "eeprom", 0 ) /* D28C64C-20 EEPROM */
ROM_LOAD( "mt2eep", 0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) BAD_DUMP )
ROM_REGION( 0x0c00, "plds", 0 )
ROM_LOAD( "pal16l8-m92-a-3m.ic11", 0x0000, 0x0104, NO_DUMP ) /* PAL is read protected */
@ -1220,8 +1208,8 @@ ROM_START( majtitl2 )
ROM_REGION( 0x80000, "irem", 0 )
ROM_LOAD( "k0d.ic8", 0x000000, 0x80000, CRC(713b9e9f) SHA1(91384d67d4ba9c7d926fbecb077293c661b8ec83) )
ROM_REGION( 0x4000, "eeprom", 0 ) /* D28C64C-20 EEPROM */
ROM_LOAD( "mt2eep", 0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) )
ROM_REGION( 0x2000, "eeprom", 0 ) /* D28C64C-20 EEPROM */
ROM_LOAD( "mt2eep", 0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) BAD_DUMP )
ROM_REGION( 0x0c00, "plds", 0 )
ROM_LOAD( "pal16l8-m92-a-3m.ic11", 0x0000, 0x0104, NO_DUMP ) /* PAL is read protected */
@ -1258,8 +1246,8 @@ ROM_START( majtitl2b )
ROM_REGION( 0x80000, "irem", 0 )
ROM_LOAD( "k0d.ic8", 0x000000, 0x80000, CRC(713b9e9f) SHA1(91384d67d4ba9c7d926fbecb077293c661b8ec83) )
ROM_REGION( 0x4000, "eeprom", 0 ) /* D28C64C-20 EEPROM */
ROM_LOAD( "mt2eep", 0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) )
ROM_REGION( 0x2000, "eeprom", 0 ) /* D28C64C-20 EEPROM */
ROM_LOAD( "mt2eep", 0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) BAD_DUMP )
ROM_REGION( 0x0c00, "plds", 0 )
ROM_LOAD( "pal16l8-m92-a-3m.ic11", 0x0000, 0x0104, NO_DUMP ) /* PAL is read protected */
@ -1297,8 +1285,8 @@ ROM_START( majtitl2a )
ROM_REGION( 0x80000, "irem", 0 )
ROM_LOAD( "k0d.ic8", 0x000000, 0x80000, CRC(713b9e9f) SHA1(91384d67d4ba9c7d926fbecb077293c661b8ec83) )
ROM_REGION( 0x4000, "eeprom", 0 ) /* D28C64C-20 EEPROM */
ROM_LOAD( "mt2eep", 0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) )
ROM_REGION( 0x2000, "eeprom", 0 ) /* D28C64C-20 EEPROM */
ROM_LOAD( "mt2eep", 0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) BAD_DUMP )
ROM_REGION( 0x0c00, "plds", 0 )
ROM_LOAD( "pal16l8-m92-a-3m.ic11", 0x0000, 0x0104, NO_DUMP ) /* PAL is read protected */
@ -1334,8 +1322,8 @@ ROM_START( majtitl2j )
ROM_REGION( 0x80000, "irem", 0 )
ROM_LOAD( "k0d.ic8", 0x000000, 0x80000, CRC(713b9e9f) SHA1(91384d67d4ba9c7d926fbecb077293c661b8ec83) )
ROM_REGION( 0x4000, "eeprom", 0 ) /* D28C64C-20 EEPROM */
ROM_LOAD( "mt2eep", 0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) )
ROM_REGION( 0x2000, "eeprom", 0 ) /* D28C64C-20 EEPROM */
ROM_LOAD( "mt2eep", 0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) BAD_DUMP )
ROM_REGION( 0x0c00, "plds", 0 )
ROM_LOAD( "pal16l8-m92-a-3m.ic11", 0x0000, 0x0104, NO_DUMP ) /* PAL is read protected */
@ -1371,8 +1359,8 @@ ROM_START( skingame2 )
ROM_REGION( 0x80000, "irem", 0 )
ROM_LOAD( "k0d.ic8", 0x000000, 0x80000, CRC(713b9e9f) SHA1(91384d67d4ba9c7d926fbecb077293c661b8ec83) )
ROM_REGION( 0x4000, "eeprom", 0 ) /* D28C64C-20 EEPROM */
ROM_LOAD( "mt2eep", 0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) )
ROM_REGION( 0x2000, "eeprom", 0 ) /* D28C64C-20 EEPROM */
ROM_LOAD( "mt2eep", 0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) BAD_DUMP )
ROM_REGION( 0x0c00, "plds", 0 )
ROM_LOAD( "pal16l8-m92-a-3m.ic11", 0x0000, 0x0104, NO_DUMP ) /* PAL is read protected */

4
src/mame/includes/m92.h
View File

@ -47,7 +47,6 @@ public:
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_upd71059c(*this, "upd71059c"),
m_eeprom(*this, "eeprom"),
m_mainbank(*this, "mainbank")
{ }
@ -86,7 +85,6 @@ private:
required_device<palette_device> m_palette;
required_device<pic8259_device> m_upd71059c;
optional_shared_ptr<uint8_t> m_eeprom;
optional_memory_bank m_mainbank;
emu_timer *m_spritebuffer_timer;
@ -99,8 +97,6 @@ private:
uint8_t m_palette_bank;
std::vector<uint16_t> m_paletteram;
uint16_t eeprom_r(offs_t offset);
void eeprom_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
void coincounter_w(uint8_t data);
void bankswitch_w(uint8_t data);
void sound_reset_w(uint16_t data);