Re: A86: 28F0 and parser
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Re: A86: 28F0 and parser
Joshua Grams wrote:
> At 08:22 PM 5/18/98 -0400, you wrote:
> >
> >How did you figure that out? did you just go thru the entire disassembly of
> >it?
> >
> Yeah, but they're pretty simple routines. I just went through, and used
> ram86.inc to change addresses to names of memory locations. Then those
> routines are pretty readable. Actually, I'd already figured one of them out
> when I was looking at parsing stuff.
>
> You see, I don't use the emulator for disassembly, I have a complete text
> listing of the ROM disassembly, one file for each ROM page. So when I
> figure something out, I comment it in the listing. So if I'm disassembling
> a routine, and it calls something, I can just go to where it calls, and if
> I've ever figured it out, I'll know what it does. And then I replace that
> address (on the calling page) with the symbolic name. So that helps a lot,
> since I know what a lot of the common routines do. Wish I could distribute
> my listings, they've got a lot of comments. But my ISP doesn't let me do
> CGI's, so I couldn't do a security thing like Matt's...oh well.
I don't see what the big deal is with all this security stuff...
> >i think we need to figure out everything there is to know about the parsing
> >process and all the calls that it uses that are on page d...
> >
> I second that...but there are SOOO many!
>
> --Joshua
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Stephen Hicks
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