In SX Microcontrollers, SX/B Compiler and SX-Key Tool, DigitalMan wrote:

I have a Zilog Z765APS that, according to datasheet sites, works just like a UPD765A ( [url=http://www.eng.auburn.edu/~nelson/courses/elec4000/Retro/fdc765.htm]http://www.eng.auburn.edu/~nelson/courses/elec4000/Retro/fdc765.htm[/url] ) 
 

Unfortunately, they somehow managed to give a chip that accesses a 17-pin drive 40 pins, [i]and[/i] it needs two different clock inputs. I do believe a certain 28-pin chip could do the job better, I just need to figure out exactly what outputs are needed. I don't intend to use much of a file system, preferably just a TOC somewhere with addresses of programs. The data would then be passed on to a chip that works much like a BASIC Stamp interpereter.

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