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Routines |
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For an arch in a wall of constant U: nothing if the player is on its middle line already, otherwise +1 or -1 into +$0F, towards it.
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| NUDGE_ALONG_V | C907 | LD A,(IX+$0A) | On the middle line already | |||||||
| C90A | CP (IY+$02) | |||||||||
| C90D | JR Z,NUDGE_ALONG_U_1 | |||||||||
| C90F | LD A,$01 | +1 if the middle is at a greater V, else -1 | ||||||||
| C911 | JR NC,NUDGE_ALONG_V_0 | |||||||||
| C913 | NEG | |||||||||
| NUDGE_ALONG_V_0 | C915 | LD (IY+$0F),A | The V nudge | |||||||
| C918 | JR NUDGE_ALONG_U_1 | |||||||||
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