SnEM v0.094 WIP :: Emu-Land.net

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SnEM v0.094 WIP

RBM-13s, 00:24, 30-09-2004

Новая версия неплохого эмулятора SNES под DOS:

Better mode 7.
Fixed some mode 7 bugs. Changed old style joypad reading - Seiken Densetsu 3 gets to menu.
Added old style joypad reading for DKC - still not playable. $420C now readable - more correct, but unfortunately breaks the Chrono Trigger beta.
Optimizations, better mode 7.
Fixed SRAM sizes, Lost Vikings works.
Changed sprite timing, no more shaky sprites.
Started tile caching, seems marginally faster
Several minor optimizations
Fixed mode 7 bug, F-Zero, FF2, etc now have good mode 7. (both have other problems though)
Also fixed mode 7 masking
Attempted to add mode 7 repeat - somewhat broken
Added some SPC instructions for Cameltry
Added ADSR to DSP
Added filters to DSP. Fixed looping bug (wasn't decoding last block).
Many more games have good sound now (TMNT4, Mystical Ninja, FFMQ, F-Zero, Cameltry, etc).
Delayed NMI by a few cycles - fixes Puzzle Bobble and Chrono Trigger intro.
Rewrite of timing system - less sync problems between 65816 and SPC.
Required new SPC emulation - TMNT4, Cameltry, Earthbound still good, SWIV now works with sound, but SMW and Pac in Time no longer play music (will play sfx though).
OBJ addr now reset on vblank - fixes sprites in Bomberman, BC Kid, FF2, Chrono Trigger, DKC etc
Some more opcodes.
Optimisation to visuals code, Mario World now hits 60fps with sound
Dropped back to old SPC core/timing - less bugs. Quite a bit slower though.
Fixed bug in ADDW/SUBW in new SPC code, so switched back.
DMA size now reset after DMA transfer - affects F-Zero (slightly better sprites), Secret of Mana (playable, but with bad visuals), Final Fantasy 3 (playable, but with some visual errors), and Secret of Evermore (playable, but with good visuals).
Fixed 4016 reading at last. DKC, Bomberman, Secret of Evermore, Prince of Persia and others now OK. Mario Allstars still has problems though.
Added BRK instruction for Super Ghouls 'n' Ghosts
Started 16 bit mode. Most PPU backgrounds and sprite stuff supported. Bugs in sprite vertical flipping though.
Added mosaic (full in 8 bit, vertical only in 16 bit).
Seperated main and sub screens.
Subscreen addition/subtraction added. Probably buggy
Fixed several sprite bugs. Improved subscreen add/sub a bit, now affects sprites, and fixed colour now on SMW (wrong colour though).
Added colour windows. Probably buggy.
Fixed up 8 bit mode again - both 8 and 16 should work now.
Fixed sprite flipping bug.
Altered timing a bit.
Got joypad ready bit wrong way round.