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https://github.com/holub/mame
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Removed a sound kludge to Combat School [Angelo Salese]
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@ -348,27 +348,6 @@ WRITE8_MEMBER(combatsc_state::combatsc_portA_w)
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/* unknown. always write 0 */
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}
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READ8_MEMBER(combatsc_state::combatsc_ym2203_r)
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{
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device_t *device = machine().device("ymsnd");
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int status = ym2203_r(device,offset);
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if (cpu_get_pc(m_audiocpu) == 0x334)
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{
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if (m_boost)
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{
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m_boost = 0;
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m_interleave_timer->adjust(attotime::zero, 0, m_audiocpu->cycles_to_attotime(80));
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}
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else if (status & 2)
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{
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m_boost = 1;
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m_interleave_timer->adjust(attotime::zero);
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}
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}
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return status;
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}
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/*************************************
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*
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@ -423,7 +402,7 @@ static ADDRESS_MAP_START( combatsc_sound_map, AS_PROGRAM, 8, combatsc_state )
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AM_RANGE(0xc000, 0xc000) AM_WRITE(combatsc_voice_reset_w) /* upd7759 reset? */
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AM_RANGE(0xd000, 0xd000) AM_READ(soundlatch_byte_r) /* soundlatch_byte_r? */
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AM_RANGE(0xe000, 0xe001) AM_READ(combatsc_ym2203_r) AM_DEVWRITE_LEGACY("ymsnd", ym2203_w) /* YM 2203 intercepted */
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AM_RANGE(0xe000, 0xe001) AM_DEVREADWRITE_LEGACY("ymsnd", ym2203_r, ym2203_w) /* YM 2203 intercepted */
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ADDRESS_MAP_END
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WRITE8_MEMBER(combatsc_state::combatscb_dac_w)
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@ -64,7 +64,6 @@ public:
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DECLARE_WRITE8_MEMBER(combatsc_play_w);
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DECLARE_WRITE8_MEMBER(combatsc_voice_reset_w);
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DECLARE_WRITE8_MEMBER(combatsc_portA_w);
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DECLARE_READ8_MEMBER(combatsc_ym2203_r);
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DECLARE_WRITE8_MEMBER(combatscb_dac_w);
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};
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