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Removed a sound kludge to Combat School [Angelo Salese]

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This commit is contained in:
Angelo Salese 2012-07-25 22:24:32 +00:00
parent a928d1713d
commit 731361bfa4
2 changed files with 1 additions and 23 deletions
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23
src/mame/drivers/combatsc.c
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@ -348,27 +348,6 @@ WRITE8_MEMBER(combatsc_state::combatsc_portA_w)
/* unknown. always write 0 */ /* unknown. always write 0 */
} }
READ8_MEMBER(combatsc_state::combatsc_ym2203_r)
{
device_t *device = machine().device("ymsnd");
int status = ym2203_r(device,offset);
if (cpu_get_pc(m_audiocpu) == 0x334)
{
if (m_boost)
{
m_boost = 0;
m_interleave_timer->adjust(attotime::zero, 0, m_audiocpu->cycles_to_attotime(80));
}
else if (status & 2)
{
m_boost = 1;
m_interleave_timer->adjust(attotime::zero);
}
}
return status;
}
/************************************* /*************************************
* *
@ -423,7 +402,7 @@ static ADDRESS_MAP_START( combatsc_sound_map, AS_PROGRAM, 8, combatsc_state )
AM_RANGE(0xc000, 0xc000) AM_WRITE(combatsc_voice_reset_w) /* upd7759 reset? */ AM_RANGE(0xc000, 0xc000) AM_WRITE(combatsc_voice_reset_w) /* upd7759 reset? */
AM_RANGE(0xd000, 0xd000) AM_READ(soundlatch_byte_r) /* soundlatch_byte_r? */ AM_RANGE(0xd000, 0xd000) AM_READ(soundlatch_byte_r) /* soundlatch_byte_r? */
AM_RANGE(0xe000, 0xe001) AM_READ(combatsc_ym2203_r) AM_DEVWRITE_LEGACY("ymsnd", ym2203_w) /* YM 2203 intercepted */ AM_RANGE(0xe000, 0xe001) AM_DEVREADWRITE_LEGACY("ymsnd", ym2203_r, ym2203_w) /* YM 2203 intercepted */
ADDRESS_MAP_END ADDRESS_MAP_END
WRITE8_MEMBER(combatsc_state::combatscb_dac_w) WRITE8_MEMBER(combatsc_state::combatscb_dac_w)

1
src/mame/includes/combatsc.h
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@ -64,7 +64,6 @@ public:
DECLARE_WRITE8_MEMBER(combatsc_play_w); DECLARE_WRITE8_MEMBER(combatsc_play_w);
DECLARE_WRITE8_MEMBER(combatsc_voice_reset_w); DECLARE_WRITE8_MEMBER(combatsc_voice_reset_w);
DECLARE_WRITE8_MEMBER(combatsc_portA_w); DECLARE_WRITE8_MEMBER(combatsc_portA_w);
DECLARE_READ8_MEMBER(combatsc_ym2203_r);
DECLARE_WRITE8_MEMBER(combatscb_dac_w); DECLARE_WRITE8_MEMBER(combatscb_dac_w);
}; };