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(mess) psxcd: fix potential bugs (nw)

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This commit is contained in:
cracyc 2013-04-23 02:37:07 +00:00
parent 7bce911a75
commit fdaf96470f
1 changed files with 4 additions and 3 deletions
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7
src/mess/machine/psxcd.c
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@ -321,10 +321,8 @@ WRITE8_MEMBER( psxcd_device::write )
if(data & 0x1f)
{
m_regs.ir &= ~(data & 0x1f);
if(m_regs.ir)
break;
if (res_queue)
if(res_queue && !m_regs.ir)
{
command_result *res = res_queue;
res_queue = res->next;
@ -861,7 +859,10 @@ void psxcd_device::start_dma(UINT8 *mainram, UINT32 size)
memcpy(mainram, &m_transbuf[m_transcurr], size);
m_transcurr += size;
if(raw_sector_size <= m_transcurr)
{
m_dmaload = false;
m_regs.sr &= ~0x40;
}
}
void psxcd_device::read_sector()