Subject: Re: Aw: Re: [stella] Player data loading...semi newbie From: "B. Watson" <urchlay@xxxxxxxxxxxxxxxx> Date: Thu, 18 Oct 2001 19:54:59 -0400 (EDT) |
On Thu, 18 Oct 2001, Glenn Saunders wrote: > >> > Phew... again, this was not meant to step on your toes Brian, > I really think it's cool that you want to update DASM, > but please, start from the right point. > << > > It all boils down to how it's used by people here. I can see the advantage > of using a different processor directive for the illegal opcodes, because > you can constrain your coding to legal opcodes that way. If you have an > accidental typo in your code that would otherwise be an illegal opcode, > you'd find that pretty easily because the assembler would error out on it if > you used processor 6502 instead of i6502. > That was what I was thinking... someone may have code that uses labels that happen to collide with the new mnemonics (or macros, to simulate them). > (Some people here avoid illegal > opcodes because they want their code to run on StellaX.) and some of avoid them because we don't know them :) > However, if people have already set a precedent to use processor 6502 and > the illegal mneumonics, then we should stick with that. > I'd have to agree. When I came up with the `i6502' idea, I didn't know it had already been done. > As for the graphic data representation, am I the only one who would find > that useful? I agree that divergent code branching of DASM would be a > problem, but I don't see how divergent it can be if the only people revving > it are on this list. > I'd find it useful, that's why I coded it. > I know I don't have a tremendous time for 2600 programming so anything added > to DASM to help me work faster, and make the code more readable, I'm all > for. > What did you think of the reverse/revend stuff from my other post, that would let you draw your graphics `right-side-up' in source code and have the assembler flip them? And, what does everyone think of this idea: A command-line switch (maybe -i) that tells DASM to allow illegal opcodes? The default would be plain old DASM, no illegal opcodes allowed, and the -i would cause DASM to use Thomas's list of illegal opcodes (which is better than mine). Suggestions? B. - Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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