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Routines |
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Used by the routine at TEST_STEP_IN_ROOM.
If |x - $58| is below the half-width at $5E1D and |y - $68| below the half-height, clears the bit in B from the record's +$02. MOVE_ACTOR's own test is the same comparison inline, for creatures, without the flag.
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| ALLOW_IF_IN_ROOM | 8FE9 | LD HL,$5E1D | ||
| 8FEC | LD A,E | |||
| 8FED | SUB $58 | |||
| 8FEF | JP P,ALLOW_IF_IN_ROOM_0 | |||
| 8FF2 | NEG | |||
| ALLOW_IF_IN_ROOM_0 | 8FF4 | CP (HL) | ||
| 8FF5 | RET NC | |||
| 8FF6 | INC HL | |||
| 8FF7 | LD A,D | |||
| 8FF8 | SUB $68 | |||
| 8FFA | JP P,ALLOW_IF_IN_ROOM_1 | |||
| 8FFD | NEG | |||
| ALLOW_IF_IN_ROOM_1 | 8FFF | CP (HL) | ||
| 9000 | RET NC | |||
| 9001 | LD A,B | |||
| 9002 | CPL | |||
| 9003 | AND (IX+$02) | |||
| 9006 | LD (IX+$02),A | |||
| 9009 | RET | |||
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