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Routines |
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Called from the main loop at 25129.
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| 26988 | LD HL,28070 | Point HL at the first guard countdown timer. | ||
| 26991 | LD B,4 | There are four guards to consider. | ||
| 26993 | LD E,(HL) | Pick up the countdown timer value in DE. | ||
| 26994 | INC HL | |||
| 26995 | LD D,(HL) | |||
| 26996 | DEC HL | |||
| 26997 | LD A,D | Is the value zero? | ||
| 26998 | OR E | |||
| 26999 | JR Z,27017 | Jump if so (this guard is already in play). | ||
| 27001 | DEC DE | Decrement the countdown timer. | ||
| 27002 | LD (HL),E | |||
| 27003 | INC HL | |||
| 27004 | LD (HL),D | |||
| 27005 | DEC HL | |||
| 27006 | LD A,D | |||
| 27007 | OR C | This should be OR E. | ||
| 27008 | JR NZ,27017 | Jump unless A is now zero. | ||
| 27010 | LD A,(27402) | Increment the active guard counter. | ||
| 27013 | INC A | |||
| 27014 | LD (27402),A | |||
| 27017 | INC HL | Point HL at the next guard's countdown timer. | ||
| 27018 | INC HL | |||
| 27019 | DJNZ 26993 | Jump back to consider the next guard. | ||
| 27021 | RET | |||
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