What about the MMU in the //e? Click to expand... How much memory does the MMU page in and out at a time? Both granularity, and within the memory map of the 6502?

Who would have guessed? I found this on Apple's site. It's ancient: Super Serial Card: Using with Machine Language

Also the 6502 has no virtual memory management, so fork() becomes meaningless. Click to expand... What about the MMU in the //e?

Urg, 6502 is one of the worst processors for C let alone UNIX. The size of the stack (256 bytes) is crippling. So you have to do the stack yourself. Also the 6502 has no virtual me…

Thanks for the JSR. I was looking through more manuals, trying to figure out exactly what a PR#2 did. The page with the Pascal 1.1 entry points was right across from the page with …

If you want to avoid the work of programming the SCC (Serial Communications Controller) in your IIgs directly, you want to use the Pascal entry points in the firmware. The SCC is …

ETA: and said treatise - sadly, missing some images - appears here.Rebuilding a Duo Battery (archive version) Click to expand... Good work, comrade Bunsen! I saved the Web Page …

Code: [url=http://archive.org]that "archive of the web" thingamajig?[/url] appears as that "archive of the web" thingamajig? Click to expand... ETA: and said treatise - sadl…

Code: [url=http://archive.org]that "archive of the web" thingamajig?[/url] appears as that "archive of the web" thingamajig?

http://www.fenestrated.net/~macman/DuoBattery/index.html :b&w: Try Googling the guy mentioned as having "written a treatise on rebuilding the PowerBook Duo batteries." …

/me clobbers you over the head with my sig Click to expand... >_<; *rubs bruise on head* I'll do some more sleuthing around the net. I've seen discussions on …

/me clobbers you over the head with my sig

yeah it is pretty neat platform i think, only other alternative is to get one of the famiclones which cost about 40-50 bux and get a flash cart and do it that way...same difference…

I'm sure someone will come up with a CF or SD adapter for game pirates in the developed world. Click to expand... Playpower's working on one. And not just the developed world …

6502 / Z80 Click to expand... @ syntacsugar: as you're already dabbling in 6502 assembly, this looks like an ideal dev platform for you. @ porter: I was eyeing off a z80 dev…

I've never really liked the 6502, it's like an 8 bit CPU going out of it's way to limit everything to 8 bits. Click to expand... From my perspective (ie: a dabbler, not a progr…

I've never really liked the 6502, it's like an 8 bit CPU going out of it's way to limit everything to 8 bits. Click to expand... From my perspective (ie: a dabbler, not a progr…

I've never really liked the 6502, it's like an 8 bit CPU going out of it's way to limit everything to 8 bits. Click to expand... From my perspective (ie: a dabbler, not a progr…

I've never really liked the 6502, it's like an 8 bit CPU going out of it's way to limit everything to 8 bits. For a simple accumulator CPU the 6800 more closely matched my model of…

As for the accompanying carts, as long as they aren't sold in developed nations, noone is going to care if they are pirated. Most of those countries have larger concerns than enfo…

It does look cool, but I wonder whether Nintendo won't shut them down, what with it using the Nintendo architecture and all. Click to expand... If it's based on the NES, the pa…

It does look cool, but I wonder whether Nintendo won't shut them down, what with it using the Nintendo architecture and all.

VISICalc! Now you're talking! http://playpower.org/blog/2009/03/wired-article-visicalc/ here’s a picture of Jeremy and I talking to Bob Frankston, who developed Visicalc. …

i just wanted to post these links for anyone else reading this and also ...i guess for myself so i know where to find them. they are resources for more apple // info and assembly i…

hmmm don't really know much about the z80. i mainly focused on the 6502 because it was in all the machines i wanted to code for apple //, commodore 64, pc engine, and nes/snes, and…