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Emax

Index last updated: 2026-04-28 23:23 UTC

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Re: Using Programmed PIC micro Controller

2009-08-07 by Colin Peiris

--- Hi Julian thanks for the info.
But the emulator or converter just do what the existing processor wants. So, I think u need not to worry about the processor just mimic the floppy. that is what Tod must have done.
Best regards
amacolp
In emax@yahoogroups.com, mr julian <jujulilianan@...> wrote:
>
> 
> ...I think the problem is, ted looked very hard and couldn't find the 
> datasheet (and therefore the opcodes) for the microprocessor the emax 
> uses.. and without anyone knowing what the opcodes are, no disassembly 
> or hacking is possible.....
> 
> so to modify the emax to boot off a different kind of device, or handle 
> more banks per disk, you'd have to replace the main microprocessor, and 
> rewrite everything from scratch.
> 
> that's do-able, but wouldn't exactly be fun...
> 
> 
> 
> jammie wrote:
> > if there is enough room on the boot rom it can go on there 
> > 
> > just need to have an instruction to boot the reason they put os on floppy was because that way they could change the os when ever with out haveing to reflash the rom
> > 
> > on the akai,s they installed it on there rom with the instructions to rewrite os to flash rom
> > 
> > with the emax rom you would need to take out rom reformat it the reflash it it would be alright to do this now as there is no new os for it
>

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