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Copied register table from hermes code

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Please use instead of magic numbers


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2902 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
nakeee
2009-04-06 17:28:14 +00:00
parent e3e7c88ff1
commit 62fed97a34
6 changed files with 96 additions and 40 deletions
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38
Source/Plugins/Plugin_DSP_LLE-testing/Src/gdsp_condition_codes.cpp
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@ -28,49 +28,49 @@ namespace DSPInterpreter {
void Update_SR_Register64(s64 _Value)
{
g_dsp.r[R_SR] &= ~SR_CMP_MASK;
g_dsp.r[DSP_REG_SR] &= ~SR_CMP_MASK;
if (_Value < 0)
{
g_dsp.r[R_SR] |= 0x8;
g_dsp.r[DSP_REG_SR] |= 0x8;
}
if (_Value == 0)
{
g_dsp.r[R_SR] |= 0x4;
g_dsp.r[DSP_REG_SR] |= 0x4;
}
// weird
if ((_Value >> 62) == 0)
{
g_dsp.r[R_SR] |= 0x20;
g_dsp.r[DSP_REG_SR] |= 0x20;
}
}
void Update_SR_Register16(s16 _Value)
{
g_dsp.r[R_SR] &= ~SR_CMP_MASK;
g_dsp.r[DSP_REG_SR] &= ~SR_CMP_MASK;
if (_Value < 0)
{
g_dsp.r[R_SR] |= 0x8;
g_dsp.r[DSP_REG_SR] |= 0x8;
}
if (_Value == 0)
{
g_dsp.r[R_SR] |= 0x4;
g_dsp.r[DSP_REG_SR] |= 0x4;
}
// weird
if ((_Value >> 14) == 0)
{
g_dsp.r[R_SR] |= 0x20;
g_dsp.r[DSP_REG_SR] |= 0x20;
}
}
int GetMultiplyModifier()
{
if (g_dsp.r[R_SR] & (1 << 13))
if (g_dsp.r[DSP_REG_SR] & (1 << 13))
return 1;
else
return 2;
@ -88,58 +88,58 @@ bool CheckCondition(u8 _Condition)
{
case 0x0: //NS - NOT SIGN
if (!(g_dsp.r[R_SR] & 0x08))
if (!(g_dsp.r[DSP_REG_SR] & 0x08))
taken = true;
break;
case 0x1: // S - SIGN
if (g_dsp.r[R_SR] & 0x08)
if (g_dsp.r[DSP_REG_SR] & 0x08)
taken = true;
break;
case 0x2: // G - GREATER
if ( (!(g_dsp.r[R_SR] & 0x02) || !(g_dsp.r[R_SR] & 0x04)) && !(g_dsp.r[R_SR] & 0x08))
if ( (!(g_dsp.r[DSP_REG_SR] & 0x02) || !(g_dsp.r[DSP_REG_SR] & 0x04)) && !(g_dsp.r[DSP_REG_SR] & 0x08))
taken = true;
break;
case 0x3: // LE - LESS EQUAL
if ((g_dsp.r[R_SR] & 0x02) || (g_dsp.r[R_SR] & 0x04) || (g_dsp.r[R_SR] & 0x08))
if ((g_dsp.r[DSP_REG_SR] & 0x02) || (g_dsp.r[DSP_REG_SR] & 0x04) || (g_dsp.r[DSP_REG_SR] & 0x08))
taken = true;
break;
case 0x4: // NZ - NOT ZERO
if (!(g_dsp.r[R_SR] & 0x04))
if (!(g_dsp.r[DSP_REG_SR] & 0x04))
taken = true;
break;
case 0x5: // Z - ZERO
if (g_dsp.r[R_SR] & 0x04)
if (g_dsp.r[DSP_REG_SR] & 0x04)
taken = true;
break;
case 0x6: // L - LESS
if ((g_dsp.r[R_SR] & 0x02) || (g_dsp.r[R_SR] & 0x08))
if ((g_dsp.r[DSP_REG_SR] & 0x02) || (g_dsp.r[DSP_REG_SR] & 0x08))
taken = true;
break;
case 0x7: // GE - GREATER EQUAL
if ( (!(g_dsp.r[R_SR] & 0x02) || (g_dsp.r[R_SR] & 0x04)) && !(g_dsp.r[R_SR] & 0x08))
if ( (!(g_dsp.r[DSP_REG_SR] & 0x02) || (g_dsp.r[DSP_REG_SR] & 0x04)) && !(g_dsp.r[DSP_REG_SR] & 0x08))
break;
case 0xc: // LNZ - LOGIC NOT ZERO
if (!(g_dsp.r[R_SR] & 0x40))
if (!(g_dsp.r[DSP_REG_SR] & 0x40))
taken = true;
break;
case 0xd: // LZ - LOGIC ZERO
if (g_dsp.r[R_SR] & 0x40)
if (g_dsp.r[DSP_REG_SR] & 0x40)
taken = true;
break;