[A83] Re: How to pixel test other than bcall(_ipoint) plz help
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[A83] Re: How to pixel test other than bcall(_ipoint) plz help
>Hello! I am also moderatly new to asm and this list. Try sending in your
>source, as the only other alternative is to use direct lcd output. Why are
That's incorrect.
Look at the sdk83guide.pdf TI provides.
>you trying to use the Z flag? Try this code. part of a simple unreliable
>worm game, but may be of use, even if in ion, and I can't understand it:
>
>pixel test syntax is ld d,3 ld b,x (or y, was it?) ld c,y (or x)
>returns nz = true if pxl on
>
> ld d,3 ; pixel test part
> ld a,(X_Var)
> ld b,a
> ld a,(Y_Var)
> ld c,a
> ld a,b
> ld (X_Var),a
> ld a,c
> ld (Y_Var),a
> bcall(_IPoint)
> jp nz,gameover
> ld d,2 ;Pixel draw part
> ld a,(X_Var)
> ld b,a
> ld a,(Y_Var)
> ld c,a
> ld a,b
> ld (X_Var),a
> ld a,c
> ld (Y_Var),a
> bcall(_IPoint)
>
>Jimmy Pardey
>
>>From: "Shane" <ti83asm2001@yahoo.com>
>>hello, i am new to this message board and 83 asm and i was wondering how
to
>>pixel test. i know that ti has the bcall(_ipoint) thing and u load the
>>certain registers and then i sets the flag z, but for some reason that
isnt
>>working in my program so i was wondering if there was another way to pixel
>>test
>>thanx
>>
>>
>
>
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