tb tweaks
Added DE1 ROM
Allow more than 4 bits of precision
Not 100% sure why but this change from a while ago breaks the mist and de1 sdram versions. Need to investigate futher but reverting for now.
Added DE1
Added ZPU - it works. Need to add GPIO joystick back in...
Added 32-byte write support to ROM area! For MIST external sector buffer. TODO: Smarter method...
Remove stale files - creates output directly where needed...
Added release notes
Increased version. ZPU ROM updated to fix a few firmware bugs (e.g. swap drive bug) - see firmware commits for details.
Added ZPU. Added read/write SD support. Fixed joystick. Switched to new mist keyboard mode (ps2 emulation).
Mist read/write support added/debugged. Single OS ROM + file selector. Fix bug when using "move to drive 1" which reinstated empty drives! Never access Atari system while reset.
Ready for first mcc release
Added simple dma for faster sd card reading
Use F5-F8 for Help,start,select,option. Use F1-F4 for F1-F4!
Fix memory_data_in missing from sensitivity list
use MCC paths (will differ per system - TODO)
Booting 1 second slower than Atari - not bad given also loading several ROMS from SD - can of course be further improved
Added real-only support. Describe disk image in menu.
Add start of antic testbench
Make more resilient to slow ram accesses. Needs more work/testcases etc for this really.
Increase SPI clock speed
Copy all files, so build dir can be copied to another server and built in gui
Allow SPI clock speed to be set by generic. It was running at half speed for 28MHz platforms vs 58MHz platforms. Need to improve spi speed since byte wise writing is too slow loading roms - 8 seconds on startup!
Antic refresh always takes one original cycle - this fixes turbo mode up to 4x on mcc
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