higan v109.3

March 18th, 2020, 22:35 Posted By: wraggster

higan v109.3 is released. higan (formerly bsnes) is a Nintendo multi-system emulator that began development on 2004-10-14. It currently supports the following systems:
- Famicom
- Super Famicom
- Game Boy
- Game Boy Color
- Game Boy Advance

higan also supports the following subsystems:
- Super Game Boy
- BS-X Satellaview
- Sufami Turbo

higan Changelog：
* v109.3
* PC Engine: emulate MPR latch used by TMA and TAM instructions
* PC Engine: randomize various registers and memory at power-on
* PC Engine: do not allow block moves to read from $ff:0800-17ff
* PC Engine: always set P.B flag (except when pushing P during BRK)
* PC Engine: clean up and improve CPU IRQ handling
* PC Engine: delay PSG synchronization when not needed (~8% speedup for accuracy core)
* PC Engine: emulate 4-color background and sprite modes (partial; fixes Fighting Run sprites)
* PC Engine: emulate grayscale VCE mode
* PC Engine: emulate extra scanline VCE mode
* PC Engine: improve burst-mode emulation (including VRAM->VRAM early termination)
* PC Engine: fixed VRAM->VRAM DMA transfers (was transferring one byte less than it should)
* PC Engine: reposition background and sprite scanline latching slightly (for Toy Shop Boys flickering)
* PC Engine: improve Vblank handling when vertical timing registers exceed 261 scanlines
* PC Engine: added vertical timing latching to scanline renderer as well
* Mega Drive: fix crash when loading Sonic & Knuckles or Game Genie without a daughter cartridge
* all cores: add unload() to all cartridge and controller ports
* byuu: focus the viewport after loading games
* icarus: fix typo in save RAM portion of the manifest (was marked as ROM by mistake)

http://www.emucr.com/2020/03/higan-v1093.html

https://gitlab.com/higan/higan

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