Re: A86: a line drawing routine
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Re: A86: a line drawing routine
Don't use _ILine! It sucks royally! Use the fline routine. I believe it's
available in the TI-85 assembly routines section on ticalc.org.
----- Original Message -----
From: <RoniBarrett@aol.com>
To: <assembly-86@lists.ticalc.org>
Sent: Wednesday, May 03, 2000 5:34 PM
Subject: Re: A86: a line drawing routine
>
> In a message dated 5/3/00 7:28:45 PM Eastern Daylight Time,
rengets@erols.com
> writes:
>
> << is there any (documented) line drawing routine? I tried to look at the
> one that came with the Torus demo, but it isn't commented too much so I
got
> lost pretty easily
>
> I've been wanting to make my own line routine, but I'm not too good at
> assembler (at least not yet anyways). Would a novice like me actually
> understand how a line routine would work? :P
> >>
> You can just use the _ILine call. from the asm studio help file, the
> arguments are:
> Call _ILine
>
> B = X coordinate of first point
> C = Y coordinate of first point
> D = X coordinate of second point
> E = Y coordinate of second point
> H = Type of line to draw:
> 0 = Set pixels to light
> 1 = Set pixels to dark
> 2 = Reverse pixels (XOR pixels)
>
> for some code:
>
> ld b,X1
> ld c, Y1
> ld d, X2
> ld e,Y2
> ld h, linetype
> call _ILine
>
> Jeff Barrett
> Hybridsoft
> Co-founder and Director of TI Programming
> Hybridsoft.cjb.net
> Ronibarrett@aol.com
> AIM:RoniBarrett
> ICQ:67472242
>
References: