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implementation of VRAM and other misc crap

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This commit is contained in:
StapleButter
2016-12-05 23:17:03 +01:00
parent 8c8c78cf83
commit c8a0058ebc
13 changed files with 1092 additions and 59 deletions
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27
ARMInterpreter_ALU.cpp
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@ -718,6 +718,33 @@ A_IMPLEMENT_ALU_OP(MVN)
s32 A_CLZ(ARM* cpu)
{
// TODO: ARM9 only
u32 val = cpu->R[cpu->CurInstr & 0xF];
u32 res = 0;
while ((val & 0xFF000000) == 0)
{
res += 8;
val <<= 8;
val |= 0xFF;
}
while ((val & 0x80000000) == 0)
{
res++;
val <<= 1;
val |= 0x1;
}
cpu->R[(cpu->CurInstr >> 12) & 0xF] = res;
return C_S(1);
}
// ---- THUMB ----------------------------------