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rungun.c: Added '936 ROM readback. [Angelo Salese]

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(out of whatsnew: non-US versions all reports a bad ROM there, check is pretty simple so I'm positive is a genuine report).
This commit is contained in:
angelosa 2015-11-29 17:41:10 +01:00
parent 5a983b1f23
commit c96d5f1517
2 changed files with 23 additions and 8 deletions
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27
src/mame/drivers/rungun.cpp
View File

@ -127,6 +127,7 @@ WRITE16_MEMBER(rungun_state::rng_sysregs_w)
bit 3 : enable IRQ 5
*/
m_k055673->k053246_set_objcha_line((data & 0x04) ? ASSERT_LINE : CLEAR_LINE);
m_roz_rombase = (data & 0xf0) >> 4;
break;
}
}
@ -163,16 +164,25 @@ INTERRUPT_GEN_MEMBER(rungun_state::rng_interrupt)
device.execute().set_input_line(M68K_IRQ_5, ASSERT_LINE);
}
READ8_MEMBER(rungun_state::rng_53936_rom_r)
{
UINT32 rom_addr = offset;
rom_addr+= (m_roz_rombase)*0x20000;
return m_roz_rom[rom_addr];
}
static ADDRESS_MAP_START( rungun_map, AS_PROGRAM, 16, rungun_state )
AM_RANGE(0x000000, 0x2fffff) AM_ROM // main program + data
AM_RANGE(0x300000, 0x3007ff) AM_RAM_DEVWRITE("palette", palette_device, write) AM_SHARE("palette")
AM_RANGE(0x380000, 0x39ffff) AM_RAM // work RAM
AM_RANGE(0x400000, 0x43ffff) AM_READNOP // AM_READ(K053936_0_rom_r ) // '936 ROM readback window
AM_RANGE(0x400000, 0x43ffff) AM_READ8(rng_53936_rom_r,0x00ff) // '936 ROM readback window
AM_RANGE(0x480000, 0x48001f) AM_READWRITE(rng_sysregs_r, rng_sysregs_w) AM_SHARE("sysreg")
AM_RANGE(0x4c0000, 0x4c001f) AM_DEVREADWRITE8("k053252", k053252_device, read, write, 0x00ff) // CCU (for scanline and vblank polling)
AM_RANGE(0x540000, 0x540001) AM_WRITE(sound_irq_w)
// 0x580006 written at POST.
AM_RANGE(0x58000c, 0x58000d) AM_WRITE(sound_cmd1_w)
AM_RANGE(0x58000e, 0x58000f) AM_WRITE(sound_cmd2_w)
// 0x580010 status for $580006 writes at POST
AM_RANGE(0x580014, 0x580015) AM_READ(sound_status_msb_r)
AM_RANGE(0x580000, 0x58001f) AM_RAM // sound regs read/write fall-through
AM_RANGE(0x5c0000, 0x5c000f) AM_DEVREAD("k055673", k055673_device, k055673_rom_word_r) // 246A ROM readback window
@ -263,6 +273,9 @@ static INPUT_PORTS_START( rng )
PORT_START("DSW")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_READ_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_er5911_device, do_read)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_READ_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_er5911_device, ready_read)
PORT_DIPNAME( 0x04, 0x04, "Bit2 (Unknown)" )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_SERVICE_NO_TOGGLE( 0x08, IP_ACTIVE_LOW )
PORT_DIPNAME( 0x10, 0x00, "Monitors" )
PORT_DIPSETTING( 0x00, "1" )
@ -273,9 +286,6 @@ static INPUT_PORTS_START( rng )
PORT_DIPNAME( 0x40, 0x00, "Sound Output" )
PORT_DIPSETTING( 0x40, DEF_STR( Mono ) )
PORT_DIPSETTING( 0x00, DEF_STR( Stereo ) )
PORT_DIPNAME( 0x04, 0x04, "Bit2 (Unknown)" )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, "Bit7 (Unknown)" )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
@ -324,6 +334,7 @@ void rungun_state::machine_start()
{
UINT8 *ROM = memregion("soundcpu")->base();
m_roz_rom = memregion("gfx1")->base();
membank("bank2")->configure_entries(0, 8, &ROM[0x10000], 0x4000);
save_item(NAME(m_sound_ctrl));
@ -421,7 +432,7 @@ ROM_START( rungun )
/* '936 tiles */
ROM_REGION( 0x400000, "gfx1", 0)
ROM_LOAD( "247-a13", 0x000000, 0x200000, CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
ROM_LOAD( "247-a13", 0x000000, 0x200000, BAD_DUMP CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
/* sprites */
ROM_REGION( 0x800000, "gfx2", 0)
@ -462,7 +473,7 @@ ROM_START( runguna )
/* '936 tiles */
ROM_REGION( 0x400000, "gfx1", 0)
ROM_LOAD( "247-a13", 0x000000, 0x200000, CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
ROM_LOAD( "247-a13", 0x000000, 0x200000, BAD_DUMP CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
/* sprites */
ROM_REGION( 0x800000, "gfx2", 0)
@ -508,7 +519,7 @@ ROM_START( rungunb )
/* '936 tiles */
ROM_REGION( 0x400000, "gfx1", 0)
ROM_LOAD( "247-a13", 0x000000, 0x200000, CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
ROM_LOAD( "247-a13", 0x000000, 0x200000, BAD_DUMP CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
/* sprites */
ROM_REGION( 0x800000, "gfx2", 0)
@ -629,7 +640,7 @@ ROM_START( slmdunkj )
/* '936 tiles */
ROM_REGION( 0x400000, "gfx1", 0)
ROM_LOAD( "247-a13", 0x000000, 0x200000, CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
ROM_LOAD( "247-a13", 0x000000, 0x200000, BAD_DUMP CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
/* sprites */
ROM_REGION( 0x800000, "gfx2", 0)

4
src/mame/includes/rungun.h
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@ -51,6 +51,9 @@ public:
int m_ttl_gfx_index;
int m_sprite_colorbase;
UINT8 *m_roz_rom;
UINT8 m_roz_rombase;
/* sound */
UINT8 m_sound_ctrl;
UINT8 m_sound_status;
@ -67,6 +70,7 @@ public:
DECLARE_READ16_MEMBER(rng_ttl_ram_r);
DECLARE_WRITE16_MEMBER(rng_ttl_ram_w);
DECLARE_WRITE16_MEMBER(rng_936_videoram_w);
DECLARE_READ8_MEMBER(rng_53936_rom_r);
TILE_GET_INFO_MEMBER(ttl_get_tile_info);
TILE_GET_INFO_MEMBER(get_rng_936_tile_info);
DECLARE_WRITE_LINE_MEMBER(k054539_nmi_gen);