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Added sound ROM bankswitch in Combat School bootleg. [Angelo Salese]

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This commit is contained in:
Angelo Salese 2012-07-25 19:16:07 +00:00
parent ec9465a37c
commit 031ca39e0d
1 changed files with 12 additions and 3 deletions
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15
src/mame/drivers/combatsc.c
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@ -429,9 +429,11 @@ ADDRESS_MAP_END
WRITE8_MEMBER(combatsc_state::combatscb_dac_w)
{
device_t *device = machine().device("msm5205");
if(data & 0xe0)
if(data & 0x60)
printf("%02x\n",data);
membank("bl_abank")->set_entry((data & 0x80) >> 7);
//msm5205_reset_w(device, (data >> 4) & 1);
msm5205_data_w(device, (data & 0x0f));
msm5205_vclk_w(device, 1);
@ -445,6 +447,7 @@ static ADDRESS_MAP_START( combatscb_sound_map, AS_PROGRAM, 8, combatsc_state )
AM_RANGE(0x9008, 0x9009) AM_DEVREAD_LEGACY("ymsnd", ym2203_r) /* ??? */
AM_RANGE(0x9800, 0x9800) AM_WRITE(combatscb_dac_w)
AM_RANGE(0xa000, 0xa000) AM_READ(soundlatch_byte_r) /* soundlatch_byte_r? */
AM_RANGE(0xc000, 0xffff) AM_ROMBANK("bl_abank")
ADDRESS_MAP_END
/*************************************
@ -718,6 +721,12 @@ static MACHINE_START( combatsc )
state->save_item(NAME(state->m_sign));
}
static MACHINE_START( combatscb )
{
combatsc_state *state = machine.driver_data<combatsc_state>();
MACHINE_START_CALL( combatsc );
state->membank("bl_abank")->configure_entries(0, 2, state->memregion("audiocpu")->base() + 0x8000, 0x4000);
}
static MACHINE_RESET( combatsc )
{
@ -805,11 +814,11 @@ static MACHINE_CONFIG_START( combatscb, combatsc_state )
MCFG_CPU_ADD("audiocpu", Z80,3579545) /* 3.579545 MHz */
MCFG_CPU_PROGRAM_MAP(combatscb_sound_map)
MCFG_CPU_PERIODIC_INT(irq0_line_hold,4800) // controls BGM tempo
MCFG_CPU_PERIODIC_INT(irq0_line_hold,3800) // controls BGM tempo
MCFG_QUANTUM_TIME(attotime::from_hz(1200))
MCFG_MACHINE_START(combatsc)
MCFG_MACHINE_START(combatscb)
MCFG_MACHINE_RESET(combatsc)
/* video hardware */