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62694: Make a character flip a light switch on or off occasionally
Used by the routine at 62926. If the character is standing next to a light switch, this routine makes him flip the switch off (if it's on and affects the lights in more than one window or window-pair), or consider flipping the switch on (if it's off and affects the lights in only one window or window-pair).
Input
H Character number (215-229)
62694 CALL 62518 Is the character standing next to a light switch?
62697 RET Z Return if not
62698 BIT 5,A Reset the zero flag if the light switch affects the lights in more than one window or window-pair
This entry point is used by the routine at 62880.
62700 LD A,(BC) A=window flags
62701 JR NZ,62709 Jump if the light switch affects the lights in more than one window or window-pair
62703 BIT 5,A Is the light switch in the 'on' position?
62705 RET Z Return if so
62706 JP 62609 Flip the light switch on 109 times out of 256
62709 BIT 5,A Is the light switch in the 'off' position?
62711 RET NZ Return if so
62712 JP 62630 Flip the light switch off
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