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Fix branch/jump target calculation in MIPSCodeUtils

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This commit is contained in:
Kingcom 2013-07-30 01:35:37 +02:00
parent 0988516e00
commit 0ef12098df
1 changed files with 4 additions and 4 deletions
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8
Core/MIPS/MIPSCodeUtils.cpp
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@ -32,8 +32,8 @@ namespace MIPSCodeUtils
u32 op = Memory::Read_Instruction(addr);
if (op)
{
op &= 0xFC000000;
if (op == 0x0C000000 || op == 0x08000000) //jal
u32 maskedOp = op & 0xFC000000;
if (maskedOp == 0x0C000000 || maskedOp == 0x08000000) //jal
{
u32 target = (addr & 0xF0000000) | ((op&0x03FFFFFF) << 2);
return target;
@ -53,7 +53,7 @@ namespace MIPSCodeUtils
u32 info = MIPSGetInfo(op);
if (info & IS_CONDBRANCH)
{
return addr + ((signed short)(op&0xFFFF)<<2);
return addr + 4 + ((signed short)(op&0xFFFF)<<2);
}
else
return INVALIDTARGET;
@ -70,7 +70,7 @@ namespace MIPSCodeUtils
u32 info = MIPSGetInfo(op);
if ((info & IS_CONDBRANCH) && !(info & OUT_RA))
{
return addr + ((signed short)(op&0xFFFF)<<2);
return addr + 4 + ((signed short)(op&0xFFFF)<<2);
}
else
return INVALIDTARGET;