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Routines |
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Called from the main loop at 6229.
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| 6622 | LD HL,$6DA6 | Point HL at the first of the guard countdown timers. | ||
| 6625 | LD B,$04 | There are four guards. | ||
| 6627 | PUSH BC | Save the guard counter. | ||
| 6628 | LD A,(HL) | Set the zero flag if this guard is in play. | ||
| 6629 | INC HL | |||
| 662A | OR (HL) | |||
| 662B | INC HL | Point HL at the next guard's countdown timer. | ||
| 662C | PUSH HL | Save the guard countdown timer pointer. | ||
| 662D | JR NZ,$6638 | Jump if this guard is not in play yet. | ||
| 662F | CALL $6A3F | Copy the guard's buffer into the temporary location (6DB8). | ||
| 6632 | CALL $663D | Draw the guard. | ||
| 6635 | CALL $6A6A | Copy the guard's buffer back to the original location. | ||
| 6638 | POP HL | Restore the guard countdown timer pointer to HL. | ||
| 6639 | POP BC | Restore the guard counter to B. | ||
| 663A | DJNZ $6627 | Jump back to deal with the next guard. | ||
| 663C | RET | |||
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