diff options
| author | nakeee <nakeee@gmail.com> | 2009-04-28 09:12:29 +0000 |
|---|---|---|
| committer | nakeee <nakeee@gmail.com> | 2009-04-28 09:12:29 +0000 |
| commit | 1f4c000ae68450fc5b46fbbc28ce376eb3988e38 (patch) | |
| tree | 9978c59ebd795378a7ed2263b0f212ac29d3da66 /Source/Core/DSPCore | |
| parent | f852ea41c4ee1b74e8130e6fe3bb1700c06c45c8 (diff) | |
DSP: updated condition code
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3099 8ced0084-cf51-0410-be5f-012b33b47a6e
Diffstat (limited to 'Source/Core/DSPCore')
| -rw-r--r-- | Source/Core/DSPCore/Src/gdsp_condition_codes.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/Source/Core/DSPCore/Src/gdsp_condition_codes.cpp b/Source/Core/DSPCore/Src/gdsp_condition_codes.cpp index ab886a330d..f60e083be0 100644 --- a/Source/Core/DSPCore/Src/gdsp_condition_codes.cpp +++ b/Source/Core/DSPCore/Src/gdsp_condition_codes.cpp @@ -89,9 +89,8 @@ int GetMultiplyModifier() return 2;
}
-
inline bool isSign() {
- return ((g_dsp.r[DSP_REG_SR] & 0x02) || (g_dsp.r[DSP_REG_SR] & 0x08));
+ return ((g_dsp.r[DSP_REG_SR] & 0x02) != (g_dsp.r[DSP_REG_SR] & 0x08));
}
inline bool isZero() {
@@ -115,7 +114,7 @@ bool CheckCondition(u8 _Condition) break;
case 0x2: // G - GREATER
- if (! isSign() && ! isZero())
+ if (! isSign() || g_dsp.r[DSP_REG_SR] & SR_CARRY)
taken = true;
break;
@@ -137,12 +136,12 @@ bool CheckCondition(u8 _Condition) break;
case 0x6: // L - LESS
- if (isSign())
+ if (g_dsp.r[DSP_REG_SR] & 0x02)
taken = true;
break;
case 0x7: // GE - GREATER EQUAL
- if (! isSign() || isZero())
+ if (g_dsp.r[DSP_REG_SR] & SR_CARRY)
taken = true;
break;
|