A89: Re: Re: Direct Input and Other Questions Part II
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A89: Re: Re: Direct Input and Other Questions Part II
hmm.. well, that makes it go a tad farther.. but I still get an "Illegal
instruction error" about one or 2 loops through... Any idea why?
Ahmed El-Helw <ahmed@ticalc.org>
Program Ideas and Upcoming Programs
the ticalc.org project - http://www.ticalc.org/
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----- Original Message -----
From: Dux Gregis <dux@acz.org>
To: <assembly-89@lists.ticalc.org>
Sent: Sunday, February 28, 1999 7:30 AM
Subject: A89: Re: Direct Input and Other Questions Part II
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>>
>>In case my second question was a bit "vague", here is the code I had to
>move
>>the sprite.. I put a "bsr CheckFire" right after the label KeyLoop from
the
>>past email.
>>
>>
>>CheckFire:
>> move.l ball,d0 ;checks if ball is on screen - if not,
>>then just return
>> cmp #0,d0
>> beq DoneCheckFire
>>
>> bsr DrawBall ;remove
>> move.l baly,d0
>> sub.l #1,d0 ;move
>> cmp #0,d0 ;if at top of screen
>> beq RemoveFire ;remove
>> move.l d0,baly ;else put y-1=y
>> bsr DrawBall ;draw and return
>>DoneCheckFire:
>> rts
>
>you branched to these routines, you didn't call them .. replace this rts
>with bra keyLoop
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>>
>>Thanks In Advance.
>>
>>Ahmed El-Helw <ahmed@ticalc.org>
>> Program Ideas and Upcoming Programs
>> the ticalc.org project - http://www.ticalc.org/
>>_______________________________________
>>http://hail.icestorm.com/asm/
>>ICQ: 3350394
>>
>>________________________________________________________
>>NetZero - We believe in a FREE Internet. Shouldn't you?
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________________________________________________________
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