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more crap implemented!

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This commit is contained in:
StapleButter
2016-12-03 15:15:34 +01:00
parent 948cdeab59
commit 53bef35cd1
9 changed files with 472 additions and 98 deletions
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21
ARMInterpreter_Branch.cpp
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@ -85,6 +85,27 @@ s32 T_BLX_REG(ARM* cpu)
return C_S(2) + C_N(1);
}
s32 T_BL_LONG_1(ARM* cpu)
{
s32 offset = (s32)((cpu->CurInstr & 0x7FF) << 21) >> 9;
cpu->R[14] = cpu->R[15] + offset;
return C_S(1);
}
s32 T_BL_LONG_2(ARM* cpu)
{
s32 offset = (cpu->CurInstr & 0x7FF) << 1;
u32 pc = cpu->R[14] + offset;
cpu->R[14] = (cpu->R[15] - 2) | 1;
if ((cpu->Num==1) || (cpu->CurInstr & (1<<12)))
pc |= 1;
cpu->JumpTo(pc);
return C_S(2) + C_N(1);
}
}