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Fixed regression with Burning Rangers

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This commit is contained in:
Angelo Salese 2013-02-12 01:01:09 +00:00
parent 698e440136
commit b20dcee523
1 changed files with 4 additions and 3 deletions
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7
src/mame/drivers/saturn.c
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@ -303,8 +303,8 @@ READ32_MEMBER(saturn_state::saturn_scu_r)
case 0xa4/4: case 0xa4/4:
if(LOG_SCU && !space.debugger_access()) logerror("(PC=%08x) IRQ status reg read MASK=%08x IST=%08x | ISM=%08x\n",space.device().safe_pc(),mem_mask,m_scu.ist,m_scu.ism); if(LOG_SCU && !space.debugger_access()) logerror("(PC=%08x) IRQ status reg read MASK=%08x IST=%08x | ISM=%08x\n",space.device().safe_pc(),mem_mask,m_scu.ist,m_scu.ism);
/* TODO: Bug! trips an HW fault. Basically, it tries to read the IST bit 1 with that irq enabled. */ /* TODO: Bug! trips an HW fault. Basically, it tries to read the IST bit 1 with that irq enabled. */
res = m_scu.ist | ~m_scu.ism; // res = m_scu.ist | ~m_scu.ism;
// res = m_scu.ist; res = m_scu.ist;
break; break;
case 0xc8/4: case 0xc8/4:
if(LOG_SCU && !space.debugger_access()) logerror("(PC=%08x) SCU version reg read\n",space.device().safe_pc()); if(LOG_SCU && !space.debugger_access()) logerror("(PC=%08x) SCU version reg read\n",space.device().safe_pc());
@ -514,7 +514,8 @@ void saturn_state::scu_dma_direct(address_space &space, UINT8 dma_ch)
} }
} }
m_scu.size[dma_ch] = 0; /* Burning Rangers doesn't agree with this. */
// m_scu.size[dma_ch] = 0;
if(!(DRUP(dma_ch))) m_scu.src[dma_ch] = tmp_src; if(!(DRUP(dma_ch))) m_scu.src[dma_ch] = tmp_src;
if(!(DWUP(dma_ch))) m_scu.dst[dma_ch] = tmp_dst; if(!(DWUP(dma_ch))) m_scu.dst[dma_ch] = tmp_dst;