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At 04:38 PM 10/5/2001 +0100, you wrote:
>Hi,
> I'm building myself a 6502-based single-board computer, with the aim of
>running it off a 4.8V NiMH or NiCad battery pack. But I've got a problem. I
>need a programming language for it. Aparrently there were many BASIC
>interpreters sold for the Synertek SYM-1 (aka SY-VIM-1), MOS KIM-1 and
>Rockwell AIM-65. Anyone know what happened to the companies that produced
>these? Ideally I'd like the source code for a 6502 BASIC interpreter, but
>binary code would be OK too. The SBC will communicate via a small LCD panel,
>RS232 (so I can hook it up to a "dumb terminal") and will have a hexadecimal
>keypad and an optional hard drive, too. Anyone care to make any suggestions
>(or submit some code)?
>
>BTW, I also need some info on the Intel 8271 disk controller - I've got two
>of these little devils and Intel's datasheet makes absolutely no sense at
>all. I've also got a Western Digital WD1770-PH 00-02 that I might be able to
>use instead. First of all, which is the better controller? The 8271 or the
>1770? Also, is it possible to overclock a 1770 or an 8271 like you can a
>1772?
>I'd love some schematics and/or some source code. I really don't fancy
>disassembling Acorn's 8271 DFS and Watford Electronics' 1770 DFS...
>
>Thanks.
>--
>Phil.
>philpem_at_bigfoot.com
>http://www.philpem.f9.co.uk/
Received on Fri Oct 05 2001 - 12:36:58 BST