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more shit! some start of ALU emulation

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StapleButter
2016-11-25 00:08:53 +01:00
parent f74fb2dd27
commit 97ec988dae
9 changed files with 733 additions and 80 deletions
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10
ARMInterpreter_Branch.cpp
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@ -22,6 +22,16 @@ s32 A_BL(ARM* cpu)
return C_S(2) + C_N(1);
}
s32 A_BLX_IMM(ARM* cpu)
{
s32 offset = (s32)(cpu->CurInstr << 8) >> 6;
if (cpu->CurInstr & 0x01000000) offset += 2;
cpu->R[14] = cpu->R[15] - 4;
cpu->JumpTo(cpu->R[15] + offset + 1);
return C_S(2) + C_N(1);
}
}