|
Routines |
| Prev: 9356 | Up: Map | Next: 93A6 |
|
||||||||||||
| FindSlotAlien | 9395 | LD HL,$61B0 | HL=Alien_States. | |||||||||
|
There are a maximum of 6 aliens on screen at a time.
|
||||||||||||
| 9398 | LD B,$06 | B=06 (alien counter). | ||||||||||
| 939A | LD DE,$0018 | DE=0018 (the length of each slot). | ||||||||||
| FindSlotAlien_Loop | 939D | LD A,(HL) | A=HL. | |||||||||
| 939E | AND A | Jump to FindSlotAlien_Return if A is zero. | ||||||||||
| 939F | JR Z,FindSlotAlien_Return | |||||||||||
| 93A1 | ADD HL,DE | HL=HL+DE. | ||||||||||
| 93A2 | DJNZ FindSlotAlien_Loop | Decrease alien slot counter by one and loop back to FindSlotAlien_Loop until counter is zero. | ||||||||||
| 93A4 | AND A | If no available slot was found, ensure the Z flag is unset (so NZ is true). | ||||||||||
| FindSlotAlien_Return | 93A5 | RET | Return. | |||||||||
| Prev: 9356 | Up: Map | Next: 93A6 |