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Routines |
| Prev: D17D | Up: Map | Next: D19D |
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Used by the routine at PROJECT_THING.
The same for a position along U or V, whose high byte is the cell and low byte the place in it: turned round, it becomes the distance from the far edge of the town, 8191 less it. Used by PROJECT_THING for a thing's U and V.
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| TURN_POSITION | D18E | LD A,(VIEW) | The usual view: as it is | |||||||||
| D191 | AND $01 | |||||||||||
| D193 | RET Z | |||||||||||
| D194 | LD A,L | Otherwise both bytes complemented, the high one within 0-31 | ||||||||||
| D195 | CPL | |||||||||||
| D196 | LD L,A | |||||||||||
| D197 | LD A,H | |||||||||||
| D198 | CPL | |||||||||||
| D199 | AND $1F | |||||||||||
| D19B | LD H,A | |||||||||||
| D19C | RET | |||||||||||
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