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Some restructuring

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This commit is contained in:
SimoneN64
2025-01-12 23:45:18 +01:00
parent 8210f37335
commit 536fbddf95
7 changed files with 173 additions and 172 deletions
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41
src/backend/core/interpreter/decode.cpp
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@@ -304,7 +304,38 @@ void Interpreter::Exec(const u32 instr) {
regs.cop0.decode(*this, instr);
break;
case COP1:
regs.cop1.decode(*this, instr);
{
const u8 mask_sub = (instr >> 21) & 0x1F;
const u8 mask_branch = (instr >> 16) & 0x1F;
if (mask_sub == 0x08) {
switch (mask_branch) {
case 0:
if (!regs.cop1.CheckFPUUsable())
return;
b(instr, !regs.cop1.fcr31.compare);
break;
case 1:
if (!regs.cop1.CheckFPUUsable())
return;
b(instr, regs.cop1.fcr31.compare);
break;
case 2:
if (!regs.cop1.CheckFPUUsable())
return;
bl(instr, !regs.cop1.fcr31.compare);
break;
case 3:
if (!regs.cop1.CheckFPUUsable())
return;
bl(instr, regs.cop1.fcr31.compare);
break;
default:
Util::panic("Undefined BC COP1 {:02X}", mask_branch);
}
break;
}
regs.cop1.decode(instr);
}
break;
case COP2:
cop2Decode(instr);
@@ -387,13 +418,13 @@ void Interpreter::Exec(const u32 instr) {
ll(instr);
break;
case LWC1:
regs.cop1.lwc1(*this, mem, instr);
regs.cop1.lwc1(mem, instr);
break;
case LLD:
lld(instr);
break;
case LDC1:
regs.cop1.ldc1(*this, mem, instr);
regs.cop1.ldc1(mem, instr);
break;
case LD:
ld(instr);
@@ -402,13 +433,13 @@ void Interpreter::Exec(const u32 instr) {
sc(instr);
break;
case SWC1:
regs.cop1.swc1(*this, mem, instr);
regs.cop1.swc1(mem, instr);
break;
case SCD:
scd(instr);
break;
case SDC1:
regs.cop1.sdc1(*this, mem, instr);
regs.cop1.sdc1(mem, instr);
break;
case SD:
sd(instr);