[Coco] [Color Computer] need info on the basic commands INP and OUT

James Diffendaffer jdiffendaffer at yahoo.com
Sat Nov 18 19:54:58 EST 2006


I/O ports are a Z80 or related CPU family thing.  

The 6809, 6502 and many other processors use memory mapped I/O.
Instead of using IN or OUT you POKE or PEEK to the memory address of
the hardware to directly access it from BASIC.

> where can i find the info for using the BASIC commands
> INP and OUT (whic ports are the mapped to?) which one
> is for the console? display? keyboard? serial port?
> other I/O?
>
> Have all 256 ports been mapped?
>
> Woodzy 





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