diff options
| author | nakeee <nakeee@gmail.com> | 2009-09-07 10:46:22 +0000 |
|---|---|---|
| committer | nakeee <nakeee@gmail.com> | 2009-09-07 10:46:22 +0000 |
| commit | 49601e0af2104eb0daca32d54840bc60bfea377f (patch) | |
| tree | c1781d70b9b409f909a7ef3ef8776d1957210830 /Source/Core/DSPCore/Src/DSPIntCCUtil.cpp | |
| parent | 4c36a5280c760d5acf7fd4840328306701deebc2 (diff) | |
DSPLLE added carry and overflow now we (lordmark) should add them in
the right ops ;)
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4222 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, 22 insertions, 3 deletions
diff --git a/Source/Core/DSPCore/Src/DSPIntCCUtil.cpp b/Source/Core/DSPCore/Src/DSPIntCCUtil.cpp index 147c239f71..42ec92e4a6 100644 --- a/Source/Core/DSPCore/Src/DSPIntCCUtil.cpp +++ b/Source/Core/DSPCore/Src/DSPIntCCUtil.cpp @@ -26,7 +26,7 @@ namespace DSPInterpreter { -void Update_SR_Register64(s64 _Value) +void Update_SR_Register64(s64 _Value, bool carry, bool overflow) { // TODO: Should also set 0x10 and 0x01 (also 0x02?) g_dsp.r[DSP_REG_SR] &= ~SR_CMP_MASK; @@ -41,6 +41,16 @@ void Update_SR_Register64(s64 _Value) g_dsp.r[DSP_REG_SR] |= SR_ARITH_ZERO; } + if (carry) + { + g_dsp.r[DSP_REG_SR] |= SR_CARRY; + } + + if (overflow) + { + g_dsp.r[DSP_REG_SR] |= SR_OVERFLOW; + } + // Checks if top bits are equal, what is it good for? if (((_Value >> 62) == 0) || (_Value >> 62 == 3)) { @@ -49,11 +59,10 @@ void Update_SR_Register64(s64 _Value) } -void Update_SR_Register16(s16 _Value) +void Update_SR_Register16(s16 _Value, bool carry, bool overflow) { g_dsp.r[DSP_REG_SR] &= ~SR_CMP_MASK; - // Only sets those 3 bits if (_Value < 0) { @@ -65,6 +74,16 @@ void Update_SR_Register16(s16 _Value) g_dsp.r[DSP_REG_SR] |= SR_ARITH_ZERO; } + if (carry) + { + g_dsp.r[DSP_REG_SR] |= SR_CARRY; + } + + if (overflow) + { + g_dsp.r[DSP_REG_SR] |= SR_OVERFLOW; + } + // Checks if top bits are equal, what is it good for? if (((_Value >> 14) == 0) || ((_Value >> 14) == 3)) { |