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DSPLLE - 'L ext opcode fix 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5095 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Marko Pusljar 2010-02-21 13:23:29 +00:00
parent 3bb9ab68ae
commit f7bf29a528
1 changed files with 14 additions and 2 deletions
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16
Source/Core/DSPCore/Src/DSPIntExtOps.cpp
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@ -121,8 +121,20 @@ void l(const UDSPInstruction& opc)
u8 sreg = opc.hex & 0x3;
u8 dreg = ((opc.hex >> 3) & 0x7) + DSP_REG_AXL0;
writeToBackLog(0, dreg, dsp_dmem_read(g_dsp.r[sreg]));
writeToBackLog(1, sreg, dsp_increment_addr_reg(sreg));
// 40bit sign extension if target is acm.D (important for zelda type ucodes)
if ((dreg >= DSP_REG_ACM0) && (g_dsp.r[DSP_REG_SR] & SR_40_MODE_BIT))
{
u16 val = dsp_dmem_read(g_dsp.r[sreg]);
writeToBackLog(0, dreg - DSP_REG_ACM0 + DSP_REG_ACH0, (val & 0x8000) ? 0xFFFF : 0x0000);
writeToBackLog(1, dreg, val);
writeToBackLog(2, dreg - DSP_REG_ACM0 + DSP_REG_ACL0, 0);
writeToBackLog(3, sreg, dsp_increment_addr_reg(sreg));
}
else
{
writeToBackLog(0, dreg, dsp_dmem_read(g_dsp.r[sreg]));
writeToBackLog(1, sreg, dsp_increment_addr_reg(sreg));
}
}
// LN axD.l, @$S