| Ant Attack | Routines |
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Loops on the ROM's KEY-SCAN until it reports a key. BASIC calls it for every "press any key" pause.
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| WAIT_KEY | 8097 | CALL $028E | KEY-SCAN. | |
| 809A | LD A,$FF | E is $FF while no key is down. | ||
| 809C | CP E | |||
| 809D | JR Z,WAIT_KEY | |||
| 809F | RET | |||
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