 | Higan 110 [1096] | [glob@s], 2020-03-20 21:05:41 |
[Source: https://byuu.org/higan]– 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.
