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DSPLLE + 2 small fixes, many GC AX games are almost perfect (sound wise, ex. Super Monkey Ball 1/2), if PC is fast enough (3GHz C2D+), Zelda type games too slow to be testable

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4340 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Marko Pusljar
2009-09-28 16:39:29 +00:00
parent 0032d2746f
commit d1f0294053
4 changed files with 63 additions and 9 deletions
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67
Source/Core/DSPCore/Src/DSPIntExtOps.cpp
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@ -40,6 +40,17 @@ namespace DSPInterpreter
namespace Ext
{
inline bool IsSameMemArea(u16 a, u16 b)
{
//LM:AX games have probs with this,... more tests needed
#if 0
if ((a>>12)==(b>>12)) //from http://code.google.com/p/dolphin-emu/wiki/DSP_todo (Luigi research)
return true;
else
#endif
return false;
}
// DR $arR
// xxxx xxxx 0000 01rr
// Decrement addressing register $arR.
@ -290,11 +301,21 @@ void ld(const UDSPInstruction& opc)
if (sreg != 0x03) {
writeToBackLog(0, (dreg << 1) + DSP_REG_AXL0, dsp_dmem_read(g_dsp.r[sreg]));
writeToBackLog(1, (rreg << 1) + DSP_REG_AXL1, dsp_dmem_read(g_dsp.r[sreg]));
if (IsSameMemArea(g_dsp.r[sreg],g_dsp.r[0x3]))
writeToBackLog(1, (rreg << 1) + DSP_REG_AXL1, dsp_dmem_read(g_dsp.r[sreg]));
else
writeToBackLog(1, (rreg << 1) + DSP_REG_AXL1, dsp_dmem_read(g_dsp.r[0x3]));
writeToBackLog(2, sreg, dsp_increment_addr_reg(sreg));
} else {
writeToBackLog(0, rreg + DSP_REG_AXL0, dsp_dmem_read(g_dsp.r[dreg]));
writeToBackLog(1, rreg + DSP_REG_AXH0, dsp_dmem_read(g_dsp.r[dreg]));
if (IsSameMemArea(g_dsp.r[dreg],g_dsp.r[0x3]))
writeToBackLog(1, rreg + DSP_REG_AXH0, dsp_dmem_read(g_dsp.r[dreg]));
else
writeToBackLog(1, rreg + DSP_REG_AXH0, dsp_dmem_read(g_dsp.r[0x3]));
writeToBackLog(2, dreg, dsp_increment_addr_reg(dreg));
}
@ -312,11 +333,21 @@ void ldn(const UDSPInstruction& opc)
if (sreg != 0x03) {
writeToBackLog(0, (dreg << 1) + DSP_REG_AXL0, dsp_dmem_read(g_dsp.r[sreg]));
writeToBackLog(1, (rreg << 1) + DSP_REG_AXL1, dsp_dmem_read(g_dsp.r[sreg]));
if (IsSameMemArea(g_dsp.r[sreg],g_dsp.r[0x3]))
writeToBackLog(1, (rreg << 1) + DSP_REG_AXL1, dsp_dmem_read(g_dsp.r[sreg]));
else
writeToBackLog(1, (rreg << 1) + DSP_REG_AXL1, dsp_dmem_read(g_dsp.r[0x3]));
writeToBackLog(2, sreg, dsp_increase_addr_reg(sreg, (s16)g_dsp.r[DSP_REG_IX0 + sreg]));
} else {
writeToBackLog(0, rreg + DSP_REG_AXL0, dsp_dmem_read(g_dsp.r[dreg]));
writeToBackLog(1, rreg + DSP_REG_AXH0, dsp_dmem_read(g_dsp.r[dreg]));
if (IsSameMemArea(g_dsp.r[dreg],g_dsp.r[0x3]))
writeToBackLog(1, rreg + DSP_REG_AXH0, dsp_dmem_read(g_dsp.r[dreg]));
else
writeToBackLog(1, rreg + DSP_REG_AXH0, dsp_dmem_read(g_dsp.r[0x3]));
writeToBackLog(2, dreg, dsp_increase_addr_reg(dreg, (s16)g_dsp.r[DSP_REG_IX0 + dreg]));
}
@ -335,11 +366,21 @@ void ldm(const UDSPInstruction& opc)
if (sreg != 0x03) {
writeToBackLog(0, (dreg << 1) + DSP_REG_AXL0, dsp_dmem_read(g_dsp.r[sreg]));
writeToBackLog(1, (rreg << 1) + DSP_REG_AXL1, dsp_dmem_read(g_dsp.r[sreg]));
if (IsSameMemArea(g_dsp.r[sreg],g_dsp.r[0x3]))
writeToBackLog(1, (rreg << 1) + DSP_REG_AXL1, dsp_dmem_read(g_dsp.r[sreg]));
else
writeToBackLog(1, (rreg << 1) + DSP_REG_AXL1, dsp_dmem_read(g_dsp.r[0x3]));
writeToBackLog(2, sreg, dsp_increment_addr_reg(sreg));
} else {
writeToBackLog(0, rreg + DSP_REG_AXL0, dsp_dmem_read(g_dsp.r[dreg]));
writeToBackLog(1, rreg + DSP_REG_AXH0, dsp_dmem_read(g_dsp.r[dreg]));
if (IsSameMemArea(g_dsp.r[dreg],g_dsp.r[0x3]))
writeToBackLog(1, rreg + DSP_REG_AXH0, dsp_dmem_read(g_dsp.r[dreg]));
else
writeToBackLog(1, rreg + DSP_REG_AXH0, dsp_dmem_read(g_dsp.r[0x3]));
writeToBackLog(2, dreg, dsp_increment_addr_reg(dreg));
}
@ -358,11 +399,21 @@ void ldnm(const UDSPInstruction& opc)
if (sreg != 0x03) {
writeToBackLog(0, (dreg << 1) + DSP_REG_AXL0, dsp_dmem_read(g_dsp.r[sreg]));
writeToBackLog(1, (rreg << 1) + DSP_REG_AXL1, dsp_dmem_read(g_dsp.r[sreg]));
if (IsSameMemArea(g_dsp.r[sreg],g_dsp.r[0x3]))
writeToBackLog(1, (rreg << 1) + DSP_REG_AXL1, dsp_dmem_read(g_dsp.r[sreg]));
else
writeToBackLog(1, (rreg << 1) + DSP_REG_AXL1, dsp_dmem_read(g_dsp.r[0x3]));
writeToBackLog(2, sreg, dsp_increase_addr_reg(sreg, (s16)g_dsp.r[DSP_REG_IX0 + sreg]));
} else {
writeToBackLog(0, rreg + DSP_REG_AXL0, dsp_dmem_read(g_dsp.r[dreg]));
writeToBackLog(1, rreg + DSP_REG_AXH0, dsp_dmem_read(g_dsp.r[dreg]));
if (IsSameMemArea(g_dsp.r[dreg],g_dsp.r[0x3]))
writeToBackLog(1, rreg + DSP_REG_AXH0, dsp_dmem_read(g_dsp.r[dreg]));
else
writeToBackLog(1, rreg + DSP_REG_AXH0, dsp_dmem_read(g_dsp.r[0x3]));
writeToBackLog(2, dreg, dsp_increase_addr_reg(dreg, (s16)g_dsp.r[DSP_REG_IX0 + dreg]));
}