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pc9801_86: that's better (nw)

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This commit is contained in:
cracyc 2016-01-06 10:03:18 -06:00
parent dc89e92390
commit 8c2a20c8b3
1 changed files with 5 additions and 5 deletions
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10
src/mame/machine/pc9801_86.cpp
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@ -306,7 +306,7 @@ int pc9801_86_device::queue_count()
UINT8 pc9801_86_device::queue_pop()
{
if(!queue_count())
return 128;
return 0;
UINT8 ret = m_queue[m_tail++];
m_tail %= QUEUE_SIZE;
m_count--;
@ -323,14 +323,14 @@ void pc9801_86_device::device_timer(emu_timer& timer, device_timer_id id, int pa
switch(m_pcm_mode & 0x70)
{
case 0x70: // 8bit stereo
m_dacl->write_signed8(queue_pop() + 128);
m_dacr->write_signed8(queue_pop() + 128);
m_dacl->write(queue_pop() << 8);
m_dacr->write(queue_pop() << 8);
break;
case 0x60: // 8bit left only
m_dacl->write_signed8(queue_pop() + 128);
m_dacl->write(queue_pop() << 8);
break;
case 0x50: // 8bit right only
m_dacr->write_signed8(queue_pop() + 128);
m_dacr->write(queue_pop() << 8);
break;
case 0x30: // 16bit stereo
lsample = queue_pop();