Re: A83:Flashing Screens

To: <assembly-83@lists.ticalc.org>
Subject: Re: A83:Flashing Screens
From: "James Matthews" <matthews@tkb.att.ne.jp>
Date: Sat, 21 Mar 1998 00:08:25 +0900
Delivered-To: assembly-83-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-83@lists.ticalc.org



> can anyone tell me how to make the text flash(like go in and out of
inverse)
> so far I have this but how can I make it flash
> prog_start:
>     CALL _CLRLCDFULL      ;CLEAR SCREEN
loop:
>     set textInverse,(iy+textflags)
>     LD HL,0202h
>     ld (currow),hl
>     LD HL,Madeby
>     CALL _PUTS
       res textInverse,(iy+textflags)
>     LD HL,0202h
>     ld (currow),hl
>     LD HL,Madeby
>     CALL _PUTS
       *use a direct input routine here to check for a key, and exit if
neccessay.*
>     jr    LOOP
>     ret

That should work, thing is, its probably way too quick...you'll probably
need a delay routine.

James.

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James Matthews.
E-mail (family):    matthews@tkb.att.ne.jp
E-mail (private):  james_matthews@hotmail.com

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