Re: CAT Box Project (interest gauge)

John Robertson wrote:
> About 15 years ago a company called Polar Electronics LTD. (Guernsey,
> Channel Islands) devised a neat little device based on the Z-80, that
> would plug into the CPU socket and do a "search" of the available
> address space and report back where it "found" RAM/ROM and I/O, based on
> the type of CPU it was set for. This would work for the Z-80, 6502,
> 6800, and the 8085. A list of it's capabilities:
> 1: Rom checksum
> 2: Test read/write to Ram
> 3: Print out disassembled Rom
> 4: read individual location
> 5: write individual location
> 6: read a programmed I/O location
> 7: write a programmed I/O location
> 8: decode block of ROM and print in HEX or ASCII
> 9: checks for data buss shorts to Vcc, Gnd, address lines or other data
> lines
> 10: printout a memory map
> Sounds sorta like the Fluke 9000/9010A Microprocessor Troubleshooter series, price one
of those today (about $3000).

> Not bad for 1984.
> Now I did happen to archive the software (on an APPLE II argh) and still
> have the schematics. Would this help out project along-a PC based CAT
> BOX?

Are you saying this thing ran on a Apple II? I'll be pulling my old one out tommorrow
if that is the case :-)

-- 
Kev           http://www.erols.com/mowerman  <- Coin Op Video Game site
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                           Looking for any Pac Man info & a few good PCBs...