nihirash/Agon-CPM2.2
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It starts directly from MOS as application(exit only via RESET) and uses MOS's filesystem drivers for working with drive images.
Create some directory on Agon's SD card, put cpm.bin and up to 4 disk images(TO THE SAME DIRECTORY) that will be named cpma.dsk, cpmb.dsk etc.
Build process have 2 stages. Building CP/M itself(sources directory) - you'll need sjasmplus. As result - you'll got cpm.sys file that should be placed to directory with bootstrap source.
If you'll make some changes in code - make sure that bios starts from 0xXX00 address. In other case - you'll die until you find issue why software got broken.
Read more github.com/n...
