Routines
Prev: BA08 Up: Map Next: BA22
BA15: Walking guard heading -Y
guard_S BA15 LD HL,$FE00 dY = -2; not blocked along Y, keep going
BA18 BIT 1,(IX+$0C)
BA1C RET Z
BA1D LD HL,$00FE blocked: dX = -2, and turn
BA20 JR next_guard_dir
Prev: BA08 Up: Map Next: BA22