// StepLoop executes the program until an single instruction loop is encountered.
func StepLoop(d *emulator.DCPU) error {
lastPC := d.PC
for {
err := d.Step()
if d.PC == lastPC || err != nil {
return err
}
lastPC = d.PC
}
return nil
}
// StepJmp executes the program until a "SET PC, ..." is encountered.
func StepJmp(d *emulator.DCPU) error {
for {
word := d.RAM[d.PC]
if (word & 0x3ff) == 0x1c1 {
return nil
}
err := d.Step()
if err != nil {
return err
}
}
return nil
}