[A83] Re: GetKey loops

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: GetKey loops
From: Sk8a4good@aol.com
Date: Mon, 21 May 2001 20:09:03 EDT
Reply-To: assembly-83@lists.ticalc.org


I definitely don't reccomend using bcall(_getkey).  Instead, put a label 
somwehere in your program called waitkey:
WaitKey:                ;this routine is much better than bcallgetkey
    ei          ;because it disaples APD(autopowerdown)
WaitKeyLoop:            ;and allows use of 2nd and ALPHA
    halt
    bcall(_getcsc)      ;calls getcsc
    or a
    jr z,WaitKeyLoop        ;if nothing pressed, jp waitkey loop
    ret

mainloop:
    call waitkey
    cp gEnter
    jp z,EnterorLeft
    cp gLeft
    jp z,EnterorLeft
    jp notenterorleft

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