Temporary development repo for the A250220 board (https://hackaday.io/project/170924)
Development IOS Revisions:
DEVEL1 folder: S260320-R260820_DEVEL1 (adds serial RX and Systick IRQ)
DEVEL2 folder: S260320-R260820_DEVEL2 (adds MSDOS support)
WARNING! These Revisions are intended for development only.
UPDATE: S260320-R260820_DEVEL2 has been integrated into the new Revision IOS S260320-R250223