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pce_cd.cpp: register 0x0b is unrelated with 0x0c (nw)

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This commit is contained in:
angelosa 2019-08-05 16:58:18 +02:00
parent 666dff20f5
commit 18f8373ce5
2 changed files with 6 additions and 4 deletions
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9
src/mame/machine/pce_cd.cpp
View File

@ -1,5 +1,5 @@
// license:BSD-3-Clause
// copyright-holders:Wilbert Pol
// copyright-holders:Wilbert Pol, Angelo Salese
/************************************************************
PC Engine CD HW notes:
@ -228,6 +228,7 @@ void pce_cd_device::device_start()
save_item(NAME(m_adpcm_latch_address));
save_item(NAME(m_adpcm_control));
save_item(NAME(m_fade_reg));
save_item(NAME(m_adpcm_dma_reg));
}
void pce_cd_device::device_reset()
@ -1261,7 +1262,7 @@ WRITE8_MEMBER(pce_cd_device::adpcm_data_w)
// CD interface Register 0x0b - ADPCM DMA control
READ8_MEMBER(pce_cd_device::adpcm_dma_control_r)
{
return m_adpcm_status;
return m_adpcm_dma_reg;
}
WRITE8_MEMBER(pce_cd_device::adpcm_dma_control_w)
@ -1271,7 +1272,7 @@ WRITE8_MEMBER(pce_cd_device::adpcm_dma_control_w)
m_adpcm_dma_timer->adjust(attotime::from_hz(PCE_CD_DATA_FRAMES_PER_SECOND * 2048), 0, attotime::from_hz(PCE_CD_DATA_FRAMES_PER_SECOND * 2048));
m_adpcm_status |= 4;
}
m_adpcm_status = data;
m_adpcm_dma_reg = data;
}
// CD Interface Register 0x0c - ADPCM status
@ -1439,7 +1440,7 @@ TIMER_CALLBACK_MEMBER(pce_cd_device::clear_ack)
update();
if (m_scsi_CD)
{
m_adpcm_status &= 0xFC;
m_adpcm_dma_reg &= 0xFC;
}
}

1
src/mame/machine/pce_cd.h
View File

@ -102,6 +102,7 @@ private:
uint8_t m_adpcm_status;
uint16_t m_adpcm_latch_address;
uint8_t m_adpcm_control;
uint8_t m_adpcm_dma_reg;
uint8_t m_fade_reg;
void regs_map(address_map &map);