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View Code? Open in Web Editor NEW[In Progress] Progressive code examples for learning 6502 assembly language programming for the Atari VCS/2600
License: GNU General Public License v3.0
[In Progress] Progressive code examples for learning 6502 assembly language programming for the Atari VCS/2600
License: GNU General Public License v3.0
Mention that we could force an interrupt route by coding a break?
in bbones3, the clear loop, you say...
"So that's what we do. We can't do a comparison on the X register--only the A register. So we first have to Transfer X to A."
This is totally wrong. You CAN do comparisons on the X register.
"cpx #$FF" is totally valid.
This comment definitely needs to be fixed, and the code could of course be more efficient.
On https://github.com/JeffJetton/atari-examples/blob/master/rudout/rudout1.md the link to rudout2.asm is a 404.
fllowed?
For dasm, Stella, and the various code and doc files
In https://github.com/JeffJetton/atari-examples/blob/master/bbones/bbones3.md where you discuss hitting $FF on the clear loop, and having to stop... this is incorrect.
In fact, when you "inx" it wraps back to 0, so you don't need the "cpx #$FF" in the loop - you just do a bne, and you don't need that final "sty $FF" because it will be cleared by the loop operating 256 times.
in https://github.com/JeffJetton/atari-examples/blob/master/bbones/bbones1.md you say "next we'll take advantage of some compiler features..." -- in fact it's an assembler, not a compiler. Best to use the correct term...my thoughts, anyway.
It should be plainer to the reader this these are all the same sort of "by the way" types of comments.
Move/change reference to setting playfield?
Can they be non-Roman numerals? Change to bullets if not.
(Also change "top of address space" to the less-confusing "tail end of address space" or "very end...")
Bad indentation in code block. Bullet points above it are not recognized.
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