diff options
| author | Marko Pusljar <LM1234@gmail.com> | 2010-03-24 14:51:04 +0000 |
|---|---|---|
| committer | Marko Pusljar <LM1234@gmail.com> | 2010-03-24 14:51:04 +0000 |
| commit | 095f81e2f91844fe697f48d6bffd1f9476190f0e (patch) | |
| tree | 219d1c753376a9e5397be15a1068b26c3bbebd29 /Source/Core/DSPCore/Src/DSPIntCCUtil.cpp | |
| parent | 47239ce0f4bd61e3e95fb04bc185ae11d4872db4 (diff) | |
DSPLLE - 5 new conditions added (not used atm), 4 used ones are now correct
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5231 8ced0084-cf51-0410-be5f-012b33b47a6e
Diffstat (limited to 'Source/Core/DSPCore/Src/DSPIntCCUtil.cpp')
| -rw-r--r-- | Source/Core/DSPCore/Src/DSPIntCCUtil.cpp | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/Source/Core/DSPCore/Src/DSPIntCCUtil.cpp b/Source/Core/DSPCore/Src/DSPIntCCUtil.cpp index f71f870452..fe19f57390 100644 --- a/Source/Core/DSPCore/Src/DSPIntCCUtil.cpp +++ b/Source/Core/DSPCore/Src/DSPIntCCUtil.cpp @@ -128,8 +128,16 @@ inline bool isCarry() { return (g_dsp.r[DSP_REG_SR] & SR_CARRY) ? true : false; } +inline bool isOverflow() { + return (g_dsp.r[DSP_REG_SR] & SR_OVERFLOW) ? true : false; +} + +inline bool isOverS32() { + return (g_dsp.r[DSP_REG_SR] & SR_OVER_S32) ? true : false; +} + inline bool isLess() { - return ((g_dsp.r[DSP_REG_SR] & SR_OVERFLOW) != (g_dsp.r[DSP_REG_SR] & SR_SIGN)); + return ((bool)(g_dsp.r[DSP_REG_SR] & SR_OVERFLOW) != (bool)(g_dsp.r[DSP_REG_SR] & SR_SIGN)); } inline bool isZero() { @@ -140,6 +148,10 @@ inline bool isLogicZero() { return (g_dsp.r[DSP_REG_SR] & SR_LOGIC_ZERO) ? true : false; } +inline bool isConditionA() { + return (((g_dsp.r[DSP_REG_SR] & SR_OVER_S32) || (g_dsp.r[DSP_REG_SR] & SR_TOP2BITS)) && !(g_dsp.r[DSP_REG_SR] & SR_ARITH_ZERO)) ? true : false; +} + //see gdsp_registers.h for flags bool CheckCondition(u8 _Condition) { @@ -161,11 +173,20 @@ bool CheckCondition(u8 _Condition) return !isCarry(); case 0x7: // C - Carry return isCarry(); + case 0x8: // ? - Not over s32 + return !isOverS32(); + case 0x9: // ? - Over s32 + return isOverS32(); + case 0xa: // ? + return isConditionA(); + case 0xb: // ? + return !isConditionA(); case 0xc: // LNZ - Logic Not Zero return !isLogicZero(); case 0xd: // LZ - Logic Zero return isLogicZero(); - + case 0xe: // 0 - Overflow + return isOverflow(); case 0xf: // Empty - always true. return true; default: |