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GTE: Handle buggy matrix in MVMVA

This commit is contained in:
Connor McLaughlin 2019-10-12 17:21:24 +10:00
parent 9bdff9e1dc
commit b945d10b04
1 changed files with 13 additions and 7 deletions
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20
src/core/gte.cpp
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@ -540,9 +540,19 @@ void Core::Execute_MVMVA(Instruction inst)
std::memcpy(M, m_regs.LCM, sizeof(s16) * 3 * 3); std::memcpy(M, m_regs.LCM, sizeof(s16) * 3 * 3);
break; break;
default: default:
{
// buggy // buggy
Panic("Missing implementation"); M[0][0] = -static_cast<s16>(ZeroExtend16(m_regs.RGBC[0]) << 4);
return; M[0][1] = static_cast<s16>(ZeroExtend16(m_regs.RGBC[0]) << 4);
M[0][2] = m_regs.IR0;
M[1][0] = m_regs.RT[0][2];
M[1][1] = m_regs.RT[0][2];
M[1][2] = m_regs.RT[0][2];
M[2][0] = m_regs.RT[1][1];
M[2][1] = m_regs.RT[1][1];
M[2][2] = m_regs.RT[1][1];
}
break;
} }
s16 Vx, Vy, Vz; s16 Vx, Vy, Vz;
@ -580,15 +590,11 @@ void Core::Execute_MVMVA(Instruction inst)
std::memcpy(T, m_regs.BK, sizeof(T)); std::memcpy(T, m_regs.BK, sizeof(T));
break; break;
case 2: case 2:
// buggy
std::memcpy(T, m_regs.FC, sizeof(T)); std::memcpy(T, m_regs.FC, sizeof(T));
break; break;
case 3: default:
std::fill_n(T, countof(T), s32(0)); std::fill_n(T, countof(T), s32(0));
break; break;
default:
Panic("Missing implementation");
return;
} }
MulMatVec(M, T, Vx, Vy, Vz, inst.GetShift(), inst.lm); MulMatVec(M, T, Vx, Vy, Vz, inst.GetShift(), inst.lm);