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moar instructions and shit implemented

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StapleButter
2016-12-03 17:58:24 +01:00
parent f2858e1c47
commit 1e4086e1b6
10 changed files with 648 additions and 280 deletions
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27
ARM.cpp
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@ -73,7 +73,32 @@ void ARM::JumpTo(u32 addr)
void ARM::RestoreCPSR()
{
printf("TODO: restore CPSR\n");
switch (CPSR & 0x1F)
{
case 0x11:
CPSR = R_FIQ[8];
break;
case 0x12:
CPSR = R_IRQ[2];
break;
case 0x13:
CPSR = R_SVC[2];
break;
case 0x17:
CPSR = R_ABT[2];
break;
case 0x1B:
CPSR = R_UND[2];
break;
default:
printf("!! attempt to restore CPSR under bad mode %02X\n", CPSR&0x1F);
break;
}
}
void ARM::UpdateMode(u32 oldmode, u32 newmode)