public Branch execute(Processor cpu) {
cpu.flagOp1 = op1.get32(cpu);
cpu.flagResult = (-cpu.flagOp1);
op1.set32(cpu, cpu.flagResult);
cpu.flagIns = UCodes.NEG32;
cpu.flagStatus = OSZAPC;
return Branch.None;
}
public Branch execute(Processor cpu) {
cpu.flagOp1 = (byte) op1.get8(cpu);
cpu.flagOp2 = (byte) immb;
cpu.flagResult = (byte) (cpu.flagOp1 - cpu.flagOp2);
cpu.flagIns = UCodes.SUB8;
cpu.flagStatus = OSZAPC;
return Branch.None;
}
public Branch execute(Processor cpu) {
cpu.flagOp1 = cpu.r_eax.get32();
cpu.flagOp2 = immd;
cpu.flagResult = (cpu.flagOp1 - cpu.flagOp2);
cpu.flagIns = UCodes.SUB32;
cpu.flagStatus = OSZAPC;
return Branch.None;
}
public Branch execute(Processor cpu) {
cpu.flagOp1 = cpu.r_eax.get16();
cpu.flagOp2 = immw;
cpu.flagResult = (short) (cpu.flagOp1 - cpu.flagOp2);
cpu.flagIns = UCodes.SUB16;
cpu.flagStatus = OSZAPC;
return Branch.None;
}
public Branch execute(Processor cpu) {
cpu.flagOp1 = (short) op1.get16(cpu);
cpu.flagOp2 = (short) immw;
cpu.flagResult = (short) (cpu.flagOp1 - cpu.flagOp2);
op1.set16(cpu, (short) cpu.flagResult);
cpu.flagIns = UCodes.SUB16;
cpu.flagStatus = OSZAPC;
return Branch.None;
}
public Branch execute(Processor cpu) {
Reg op1 = cpu.regs[op1Index];
cpu.flagOp1 = op1.get32();
cpu.flagOp2 = op2.get32(cpu);
cpu.flagResult = (cpu.flagOp1 - cpu.flagOp2);
op1.set32(cpu.flagResult);
cpu.flagIns = UCodes.SUB32;
cpu.flagStatus = OSZAPC;
return Branch.None;
}
public Branch execute(Processor cpu) {
Reg op2 = cpu.regs[op2Index];
int add = (cpu.cf() ? 1 : 0);
cpu.flagOp1 = op1.get8(cpu);
cpu.flagOp2 = op2.get8();
cpu.flagResult = (byte) (cpu.flagOp1 - (cpu.flagOp2 + add));
op1.set8(cpu, (byte) cpu.flagResult);
cpu.flagIns = UCodes.SBB8;
cpu.flagStatus = OSZAPC;
return Branch.None;
}
public Branch execute(Processor cpu) {
Reg op1 = cpu.regs[op1Index];
Reg op2 = cpu.regs[op2Index];
cpu.flagOp1 = (byte) op1.get8();
cpu.flagOp2 = (byte) op2.get8();
cpu.flagResult = (byte) (cpu.flagOp1 + cpu.flagOp2);
op1.set8((byte) cpu.flagResult);
cpu.flagIns = UCodes.ADD8;
cpu.flagStatus = OSZAPC;
return Branch.None;
}
public Branch execute(Processor cpu) {
Reg op1 = cpu.regs[op1Index];
Reg op2 = cpu.regs[op2Index];
boolean incf = cpu.cf();
cpu.flagOp1 = op1.get8();
cpu.flagOp2 = op2.get8();
cpu.flagResult = (byte) (cpu.flagOp1 + cpu.flagOp2 + (incf ? 1 : 0));
op1.set8((byte) cpu.flagResult);
cpu.flagIns = UCodes.ADC8;
cpu.flagStatus = OSZAPC;
return Branch.None;
}
public Branch execute(Processor cpu) {
Reg op1 = cpu.regs[op1Index];
boolean incf =
Processor.getCarryFlag(
cpu.flagStatus, cpu.cf, cpu.flagOp1, cpu.flagOp2, cpu.flagResult, cpu.flagIns);
cpu.flagOp1 = op1.get16();
cpu.flagOp2 = immb;
cpu.flagResult = (short) (cpu.flagOp1 + cpu.flagOp2 + (incf ? 1 : 0));
op1.set16((short) cpu.flagResult);
cpu.flagIns = UCodes.ADC16;
cpu.flagStatus = OSZAPC;
return Branch.None;
}
public Branch execute(Processor cpu) {
int shift = cpu.r_cl.get8() & 0x1f;
if (shift != 0) {
if (shift <= 16) {
cpu.flagStatus = OSZPC;
} else {
cpu.flagStatus = SZP;
cpu.of = false;
cpu.cf = false;
}
cpu.af = false;
cpu.flagOp1 = op1.get32(cpu);
cpu.flagOp2 = shift;
cpu.flagResult = (cpu.flagOp1 << cpu.flagOp2);
op1.set32(cpu, cpu.flagResult);
cpu.flagIns = UCodes.SHL32;
}
return Branch.None;
}