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Fix windows + Implement some RDP reads and writes

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This commit is contained in:
CocoSimone
2022-08-22 19:54:56 +02:00
parent 68be852238
commit bcde8570b6
10 changed files with 85 additions and 57 deletions
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47
src/n64/core/RDP.cpp
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@@ -25,25 +25,62 @@ static const int cmd_lens[64] = {
auto RDP::Read(u32 addr) const -> u32{
switch(addr) {
case 0x04100000: return dpc.start;
case 0x04100004: return dpc.end;
case 0x04100008: return dpc.current;
case 0x0410000C: return dpc.status.raw;
case 0x04100010: return dpc.clock;
case 0x04100014: return dpc.status.cmdBusy;
case 0x04100018: return dpc.status.pipeBusy;
case 0x0410001C: return dpc.tmem;
default: util::panic("Unhandled DP Command Registers read (addr: {:08X})\n", addr);
}
return 0;
}
void RDP::Write(u32 addr, u32 val) {
void RDP::Write(MI& mi, Registers& regs, RSP& rsp, u32 addr, u32 val) {
switch(addr) {
case 0x0410000C: StatusWrite(val); break;
default: util::panic("Unhandled DP Command Registers read (addr: {:08X}, val: {:08X})\n", addr, val);
case 0x04100000:
if(dpc.status.startValid) {
dpc.start = val & 0xFFFFF8;
}
dpc.status.startValid = true;
break;
case 0x04100004:
dpc.end = val & 0xFFFFF8;
if(dpc.status.startValid) {
dpc.current = dpc.start;
dpc.status.startValid = false;
}
RunCommand(mi, regs, rsp);
break;
case 0x0410000C: StatusWrite(mi, regs, rsp, val); break;
default: util::panic("Unhandled DP Command Registers write (addr: {:08X}, val: {:08X})\n", addr, val);
}
}
void RDP::StatusWrite(u32 val) {
void RDP::StatusWrite(MI& mi, Registers& regs, RSP& rsp, u32 val) {
DPCStatusWrite temp{};
temp.raw = val;
bool rdpUnfrozen = false;
CLEAR_SET(dpc.status.xbusDmemDma, temp.clearXbusDmemDma, temp.setXbusDmemDma);
CLEAR_SET(dpc.status.freeze, temp.clearFreeze, false); // Setting it seems to break games? Avoid for now (TODO)
if(temp.clearFreeze) {
dpc.status.freeze = false;
rdpUnfrozen = true;
}
if(temp.setFreeze) {
dpc.status.freeze = true;
}
CLEAR_SET(dpc.status.flush, temp.clearFlush, temp.setFlush);
CLEAR_SET(dpc.status.cmdBusy, temp.clearCmd, false);
CLEAR_SET(dpc.clock, temp.clearClock, false);
CLEAR_SET(dpc.status.pipeBusy, temp.clearPipe, false);
CLEAR_SET(dpc.status.tmemBusy, temp.clearTmem, false);
if(rdpUnfrozen) {
RunCommand(mi, regs, rsp);
}
}
void RDP::RunCommand(MI& mi, Registers& regs, RSP& rsp) {