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Fixed LSR opcode (shift would always be a crazy value like 65479 instead of 7).

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Now SMG ucode jumps to the right command handlers. 
Unfortunately still no sound :(

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3705 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
luigi2us
2009-07-07 20:40:19 +00:00
parent 92e63e3ac4
commit 6c7aadd5ab
1 changed files with 1 additions and 1 deletions
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2
Source/Core/DSPCore/Src/DspIntArithmetic.cpp
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@ -609,7 +609,7 @@ void lsl(const UDSPInstruction& opc)
// calculated by negating sign extended bits 0-6. // calculated by negating sign extended bits 0-6.
void lsr(const UDSPInstruction& opc) void lsr(const UDSPInstruction& opc)
{ {
u16 shift = -opc.ushift; u16 shift = (u16) -(((s8)(opc.ushift << 2)) >> 2);
u64 acc = dsp_get_long_acc(opc.areg); u64 acc = dsp_get_long_acc(opc.areg);
// Lop off the extraneous sign extension our 64-bit fake accum causes // Lop off the extraneous sign extension our 64-bit fake accum causes
acc &= 0x000000FFFFFFFFFFULL; acc &= 0x000000FFFFFFFFFFULL;