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DSPLLE: razi approved condition code naming.

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(we need to go over the dspspy code to see that we use the right names)



git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3698 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
nakeee 2009-07-07 10:01:34 +00:00
parent d8d2b8030e
commit 1654c582ab
3 changed files with 53 additions and 51 deletions
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46
Source/Core/DSPCore/Src/DSPIntCCUtil.cpp
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@ -92,42 +92,44 @@ int GetMultiplyModifier()
inline bool isCarry() {
return (g_dsp.r[DSP_REG_SR] & SR_CARRY) ? true : false;
}
inline bool isSign() {
return ((g_dsp.r[DSP_REG_SR] & SR_2) != (g_dsp.r[DSP_REG_SR] & SR_SIGN));
inline bool isLess() {
return ((g_dsp.r[DSP_REG_SR] & SR_OVERFLOW) != (g_dsp.r[DSP_REG_SR] & SR_SIGN));
}
inline bool isZero() {
return (g_dsp.r[DSP_REG_SR] & SR_ARITH_ZERO) ? true : false;
}
inline bool isLogicZero() {
return (g_dsp.r[DSP_REG_SR] & SR_LOGIC_ZERO) ? true : false;
}
//see gdsp_registers.h for flags
bool CheckCondition(u8 _Condition)
{
switch (_Condition & 0xf)
{
case 0x0: //NS - NOT SIGN
return !isSign();
case 0x1: // S - SIGN
return isSign();
case 0x2: // G - GREATER
return !isSign() && !isZero();
case 0x3: // LE - LESS EQUAL
return isSign() || isZero();
case 0x4: // NZ - NOT ZERO
case 0x0: // GE - Greater Equal
return !isLess();
case 0x1: // L - Less
return isLess();
case 0x2: // G - Greater
return !isLess() && !isZero();
case 0x3: // LE - Less Equal
return isLess() || isZero();
case 0x4: // NZ - Not Zero
return !isZero();
case 0x5: // Z - ZERO
case 0x5: // Z - Zero
return isZero();
case 0x6: // L - LESS
// Should be that once we set 0x01
case 0x6: // NC - Not carry
return !isCarry();
// if (isSign())
case 0x7: // GE - GREATER EQUAL
// Should be that once we set 0x01
case 0x7: // C - Carry
return isCarry();
// if (! isSign() || isZero())
case 0xc: // LNZ - LOGIC NOT ZERO
return !(g_dsp.r[DSP_REG_SR] & SR_LOGIC_ZERO);
case 0xd: // LZ - LOGIC ZERO
return (g_dsp.r[DSP_REG_SR] & SR_LOGIC_ZERO) != 0;
case 0xc: // LNZ - Logic Not Zero
return !isLogicZero();
case 0xd: // LZ - Logic Zero
return isLogicZero();
case 0xf: // Empty - always true.
return true;