New Features - Run Ahead: Added run ahead support (in Emulation settings) - Emulation: Added 2 new options to emulate known PPU hardware bugs - Emulation: Added option to emulate CPU/PPU alignments - UI: Added load and save state menus (with previews and timestamps) - Mappers: Added support for Study Box roms (.studybox files) - UNROM512/GTROM: Added support for self-flashing - Debugger: Various fixes and improvements - Event Viewer: Improved filtering options and added the ability to display NTSC borders Bug Fixes - CPU: Rewrote DMC and OAM DMA logic to better match hardware behavior/timings - CPU: Fixed an issue with NMIs turning into IRQs (when turning the NMI flag off at the wrong moment) - PPU: Fixed PPU OAM fetch pattern on pre-render scanline - PPU: Fixed some PPU timings to better match hardware - MC-ACC: Improved MC-ACC (licensed MMC3 clone) emulation - MMC5: Rewrote a large portion of the code to better match hardware behavior and quirks - Mappers: Fixed/improved emulation of a number of mappers used by unlicensed games - NSF: Fixed an issue that caused problems with some FDS NSF files - Linux: Fixed bug when using nvidia's drivers that caused the screen to be completely black