Still chugging away at 2600 101.
Someone hinted that they wanted an example of subpixel movement,
so it's there in its uncommented glory at
http://alienbill.com/2600/cookbook/skipdraw.txt
including skipdraw, which I'm happy with. Also it's a very cute
little ghost. I want to add exact horizontal positioning to that,
and then it will be the example for skipdraw, subpixel movement,
joystick and firebutton reading, using a ptr for which graphic to
point to, and horizontal movement. Feel free to comment on that
code, since if 2600 Cookbook becomes what I hope it becomes, it
might be the starting code for many newbie's projects. (Or if
you wanted to integrate battlezone exact positioning, I wouldn't
object strenuously :-)
Also last night I added a brief discussion of "smarter variable labels",
http://alienbill.com/2600/cookbook/vars.html
discussing the benefits of using
label ds 1
rather than
label = $80
and how to do it with unitialized segments, and Dennis Debro's
useful DASM instruction to print # of bytes remaining.
--
KirkIsrael@xxxxxxxxxxxxx http://kisrael.com
"Wow. The depth of your sarcasm amazes me." --Dan P, 2000-12-6
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