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Core: add edge condition test to DDIV in interpter

This commit is contained in:
zilmar 2025-01-31 06:18:36 +10:30
parent 4521389404
commit 00a978ca1b
1 changed files with 11 additions and 2 deletions
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13
Source/Project64-core/N64System/Interpreter/InterpreterOps.cpp
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@ -1900,10 +1900,19 @@ void R4300iOp::SPECIAL_DMULTU()
void R4300iOp::SPECIAL_DDIV() void R4300iOp::SPECIAL_DDIV()
{ {
if (m_GPR[m_Opcode.rt].UDW != 0) if (m_GPR[m_Opcode.rt].UDW != 0)
{ {
m_RegLO.DW = m_GPR[m_Opcode.rs].DW / m_GPR[m_Opcode.rt].DW; if (m_GPR[m_Opcode.rs].DW != 0x8000000000000000)
m_RegHI.DW = m_GPR[m_Opcode.rs].DW % m_GPR[m_Opcode.rt].DW; {
m_RegLO.DW = m_GPR[m_Opcode.rs].DW / m_GPR[m_Opcode.rt].DW;
m_RegHI.DW = m_GPR[m_Opcode.rs].DW % m_GPR[m_Opcode.rt].DW;
}
else
{
m_RegLO.DW = m_GPR[m_Opcode.rs].DW;
m_RegHI.DW = 0;
}
} }
else else
{ {