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implemented mulcmv mulcmvz and fixed mulcac to actually add to the acc

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2880 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
nakeee
2009-04-05 16:50:15 +00:00
parent 51aa5d75fa
commit 4832ffa377
2 changed files with 27 additions and 9 deletions
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27
Source/Plugins/Plugin_DSP_LLE-testing/Src/DSPInterpreter.cpp
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@ -360,16 +360,33 @@ void mulc(const UDSPInstruction& opc)
Update_SR_Register64(prod);
}
// TODO: Implement
void mulcmvz(const UDSPInstruction& opc)
{
ERROR_LOG(DSPHLE, "dsp_opc.hex_mulcmvz ni");
s64 TempProd = dsp_get_long_prod();
// update prod
u8 sreg = (opc.hex >> 12) & 0x1;
s64 Prod = (s64)dsp_get_acc_m(sreg) * (s64)dsp_get_acc_h(sreg) * GetMultiplyModifier();
dsp_set_long_prod(Prod);
// update acc
u8 rreg = (opc.hex >> 8) & 0x1;
s64 acc = TempProd & ~0xffff; // clear lower 4 bytes
dsp_set_long_acc(rreg, acc);
}
// TODO: Implement
void mulcmv(const UDSPInstruction& opc)
{
ERROR_LOG(DSPHLE, "dsp_opc.hex_mulcmv ni");
s64 TempProd = dsp_get_long_prod();
// update prod
u8 sreg = (opc.hex >> 12) & 0x1;
s64 Prod = (s64)dsp_get_acc_m(sreg) * (s64)dsp_get_acc_h(sreg) * GetMultiplyModifier();
dsp_set_long_prod(Prod);
// update acc
u8 rreg = (opc.hex >> 8) & 0x1;
dsp_set_long_acc(rreg, TempProd);
}
void cmpar(const UDSPInstruction& opc)
@ -436,7 +453,7 @@ void mulcac(const UDSPInstruction& opc)
// update acc
u8 rreg = (opc.hex >> 8) & 0x1;
dsp_set_long_acc(rreg, TempProd);
dsp_set_long_acc(rreg, TempProd + g_dsp.r[rreg]);
}
void movr(const UDSPInstruction& opc)