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28460: 'O' pressed - left
The address of this routine is found in the keypress table at 58624. It is called from the main loop at 63210.
28460 LD A,(53760) A=ERIC's animatory state
28463 BIT 7,A Is ERIC facing right?
28465 JP NZ,28216 Turn ERIC round if so
28468 CALL 28240 Is ERIC on a staircase?
28471 JR C,28477 Jump if so
This entry point is used by the routines at 28484 and 28576:
28473 DEC E E=x-coordinate of spot in front of ERIC
28474 JP 28315 Check for walls and closed doors in ERIC's path
ERIC is on a staircase.
28477 RLA Does the staircase ERIC's on go down and to the left?
28478 JP C,28606 Go down a stair if so
28481 JP 28514 Otherwise go up a stair