Recent content by malfer

Thanks for this suggestion, I have had a quick look at the book and I am impressed. His explanation of how to program the PIO seems a lot clearer. I will let you know how I get on. Regards Malcolm

Thanks Chuck I have looked at this but I still don't understand exactly what codes I should be sending to the ports. Malcolm

The routine i have used is attached below. It is quite short as i have to key it in each time I try. The main part of the routine are what I copied from the cp/m BIOS of the computer. The initialisation part does appear to do something because the print head moves and the printer goes on line...

I have a Mimi 801 Z80 computer which has a number of issues including not being able to load cp/m. It will however load th monitor program which permits access to directly enter code. This allows me to read sectors off floppy disc and other things. I would like to be able to read data from a...

Looking for a British Micro MImi 801/802 or 803