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FF Xtreme: On Screen Display for FlashFloppy with adapted hardware and firmware for the Atari ST

Original project page

This project is a extended version of Keir's FlashFloppy and FF OSD. You should take a look at his work first!

About this project

Keir's On Screen Display (OSD) doesn´t support a keyboard controller for the Atari ST while this version does. I have added some extra futures to the firmware as well:

• Send FlashFloppy output to your Atari ST video display in all three resolutions, monochrome included.
• Control FlashFloppy via your Atari keyboard (Optional but prefered)
• Reset your Atari ST from the keyboard (Optional)
• Toggle intern and extern floppy to be disk A/B so that you are able to boot from your extern floppy drive. (optional + extra hardware)
• Switch your TOS roms (optional + extra hardware)
• Switch between mono and stereo sound (optional + extra hardware)

WARNING: For this project you will need a desolder tool and some solder experience! All modifications that you make to your computer are at your own risk!

Demo video

steps to take

To complete this project, at least the first two steps must be completed, after which two optional steps can be taken.

1. Programming the STM32f103c8t6
2. Wiring the STM32f103c8t6 to the mainboard
3. The YM2149 expansion board (Optional)
4. The TOS switcher board (Optional)