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DSPLLE: sort of semi-working breakpoints and stepping, if you flip an #ifdef. more work to do, for some reason it gets very slow when you enable it atm

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3573 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard 2009-06-28 16:23:40 +00:00
parent b406203794
commit 04105baf4e
19 changed files with 841 additions and 774 deletions
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81
Source/Core/DSPCore/Src/DSPIntCCUtil.cpp
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@ -32,12 +32,12 @@ void Update_SR_Register64(s64 _Value)
if (_Value < 0)
{
g_dsp.r[DSP_REG_SR] |= 0x8;
g_dsp.r[DSP_REG_SR] |= SR_SIGN;
}
if (_Value == 0)
{
g_dsp.r[DSP_REG_SR] |= 0x4;
g_dsp.r[DSP_REG_SR] |= SR_ARITH_ZERO;
}
// weird
@ -53,12 +53,12 @@ void Update_SR_Register16(s16 _Value)
if (_Value < 0)
{
g_dsp.r[DSP_REG_SR] |= 0x8;
g_dsp.r[DSP_REG_SR] |= SR_SIGN;
}
if (_Value == 0)
{
g_dsp.r[DSP_REG_SR] |= 0x4;
g_dsp.r[DSP_REG_SR] |= SR_ARITH_ZERO;
}
// weird
@ -90,92 +90,51 @@ int GetMultiplyModifier()
}
inline bool isCarry() {
return (g_dsp.r[DSP_REG_SR] & 0x01) ? true : false;
return (g_dsp.r[DSP_REG_SR] & SR_CARRY) ? true : false;
}
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] & SR_2) != (g_dsp.r[DSP_REG_SR] & SR_SIGN));
}
inline bool isZero() {
return (g_dsp.r[DSP_REG_SR] & 0x04) ? true : false;
return (g_dsp.r[DSP_REG_SR] & SR_ARITH_ZERO) ? true : false;
}
//see gdsp_registers.h for flags
bool CheckCondition(u8 _Condition)
{
bool taken = false;
switch (_Condition & 0xf)
{
case 0x0: //NS - NOT SIGN
if (! isSign())
taken = true;
break;
return !isSign();
case 0x1: // S - SIGN
if (isSign())
taken = true;
break;
return isSign();
case 0x2: // G - GREATER
if (! isSign() && !isZero())
taken = true;
break;
return !isSign() && !isZero();
case 0x3: // LE - LESS EQUAL
if (isSign() || isZero())
taken = true;
break;
return isSign() || isZero();
case 0x4: // NZ - NOT ZERO
if (!isZero())
taken = true;
break;
return !isZero();
case 0x5: // Z - ZERO
if (isZero())
taken = true;
break;
return isZero();
case 0x6: // L - LESS
// Should be that once we set 0x01
if (!isCarry())
return !isCarry();
// if (isSign())
taken = true;
break;
case 0x7: // GE - GREATER EQUAL
// Should be that once we set 0x01
if (isCarry())
return isCarry();
// if (! isSign() || isZero())
taken = true;
break;
case 0xc: // LNZ - LOGIC NOT ZERO
if (!(g_dsp.r[DSP_REG_SR] & SR_LOGIC_ZERO))
taken = true;
break;
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;
if (g_dsp.r[DSP_REG_SR] & SR_LOGIC_ZERO)
taken = true;
break;
case 0xf: // Empty
taken = true;
break;
case 0xf: // Empty - always true.
return true;
default:
ERROR_LOG(DSPLLE, "Unknown condition check: 0x%04x\n", _Condition & 0xf);
break;
return false;
}
return taken;
}
} // namespace