8.4 : 27-June-2026 by wavemotion-dave
- Fix for TIA rendering that fixes Aardvark and probably others.
- Fix for banking on Squish-Em-Deluxe (F8) so dummy read on RTI properly hits the hotspot.
- Hotfix for PAL rendering which was causing the LCD to misbehave. True-sync is NTSC only for now.
- Full cleanup of ARM Thumbulator. I've decided to peel back on some of the 'unsafe' code that I've been using to gain speed. In the end, the speed optimizations and the improved accuracy have balanced themselves out - so 8.4 is still a bit faster than 8.3 in terms of raw speed but has a improved ARM Thumb emulation for a nice gain of accuracy.
- Lots of cleanup and both ARM and 6502 optimizations as time permitted. Better accuracy and improved speed all-around.