2020年3月21日 星期六

byuu v4 + higan v110

多機種模擬器 byuu & higan 發布新版,更新如下 :


  • PC Engine: improved IRQ handling significantly
  • PC Engine: fixed T-flag instructions, and implemented all addressing modes for it
  • PC Engine: improved VDP penalty cycle timing
  • PC Engine: always fire Vblank IRQs every frame, regardless of VDW setting
  • PC Engine: add support for STreet Fighter II CE's custom mapper
  • PC Engine: emulated 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: delay PSG synchronization when not needed (~8% speedup for accuracy profile)
  • PC Engine: emulate 4-color background and sprite modes
  • PC Engine: emulate grayscale VCE mode
  • PC Engine: emulate extra scanline VCE mode
  • PC Engine: fixed VRAM->VRAM DMA transfers (was transferring one byte less than it should)
  • PC Engine: improve burst-mode emulation (early VRAM->VRAM termination, etc)
  • PC Engine: add display timing latching to the performance profile's scanline renderer
  • PC Engine: many disassembler improvements
  • PC Engine CD: added skeleton implementation (non-functional)
  • Mega Drive: fix a crash when loading Sonic & Knuckles or the Game Genie without a daughter cartridge connected
  • higan: fix System menu option enabling when "Create New System" is selected
  • icarus: fix typo in save RAM portion of Master System game manifests (was marked as ROM by mistake)
  • byuu: don't show the program icon briefly when loading a new game
  • byuu: focus the viewport after loading games
  • byuu: add trace log path override option
  • byuu: use save path override for SNES save RAM files as well

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