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cbmeeks

Communicate without RS-232

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I only suggested the CASSETTE port as this could be added to a single console for input and output to other devices besides just SERIAL like JOYPORT.

 

I was thinking instead of Cassette to send it to a device chip instead thus work like Disk Drive storage.

 

CS1 would be READ/WRITE and CS2 would be READ only. And they could be on same device with single toggle of on or off READ/WRITE

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And back to Arcadeshopper's comment on the existence of IEEE-488 cards, there are probably about 20-30 of them in circulation. I have a pair of them that I plan to use to interface a pair of TI computers to an IEEE disk drive at some point. . .I also have about 20 of the required TMS-9914s, so I could probably build some new ones on a Protoboard at some point too. . .I just have to test to see if the PALs are locked or not, as I don't think I have a complete description of the JEDEC equations for it.

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Here was a hair-brained idea from back in the 80's. Thought maybe using a DSR space and breaking out CRU bits might be cool, never finished it.

 

post-63752-0-73812700-1550875915_thumb.jpg

 

 

 

Maybe I was thinking I could control the lights in our apartment or something..... :-)

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I agree... definitely hair-brained...

 

I did the same thing... the schematics are on faded thermal paper...

 

post-64523-0-20528100-1550885757_thumb.jpg

 

Mine was stand alone, using tone decoders driven by the sound generator...

Abo. 106 outputs.

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