private static void add_rm32_imm8(Emulator emu, ModRM modrm)
{
UInt32 rm32 = modrm.get_rm32(emu);
UInt32 imm8 = (UInt32)emu.getSignedCode8(0);
emu.eip += 1;
modrm.set_rm32(emu, rm32 + imm8);
}
// opcode 0x89
public static void mov_rm32_r32(Emulator emu)
{
emu.eip += 1;
ModRM modrm = new ModRM();
modrm.Parse(emu);
UInt32 r32 = modrm.get_r32(emu);
modrm.set_rm32(emu, r32);
}
// opcode 0xB8～0xBF
public static void mov_rm32_imm32(Emulator emu)
{
emu.eip++;
ModRM modrm = new ModRM();
modrm.Parse(emu);
UInt32 value = emu.getCode32(0);
emu.eip += 4;
modrm.set_rm32(emu, value);
}
static void sub_rm32_imm8(Emulator emu, ModRM modrm)
{
UInt32 rm32 = modrm.get_rm32(emu);
UInt32 imm8 = (UInt32)emu.getSignedCode8(0);
emu.eip += 1;
UInt64 result = (UInt64)rm32 - (UInt64)imm8;
modrm.set_rm32(emu, (UInt32)result);
emu.update_eflags_sub(rm32, imm8, result);
}
private static void inc_rm32(Emulator emu, ModRM modrm)
{
UInt32 value = modrm.get_rm32(emu);
modrm.set_rm32(emu, value + 1);
}