RockNES v4.00 Beta 4

posted in Emulator Release by spacetiger on Oct 12th, 2004

There's a lot of big news in the emulation world today, including an update to the Windows version of RockNES. In addition to the usual list of fixes, the binary now comes in two varieties, i686 MMX and i686 SSE optimized. Also, a lot of games have been rendered playable by the mapper fixes in this version, so it's worth a look. Here's what's new:
  • DMC channel playback fixed
  • Fixed DMC/RAW volume decay
  • Fixed a CPU bug in the 'relative branches' on page crossing
  • Sprites are displayed on second visible scanline
  • Sprite counter is now cleaned on scanline 21 start
  • IRQ timing fix for mappers 21,23,24,25,26,73,41,42,91,117
  • Fixed Bandai IRQ timing emulation (fixed mappers 16,65,67,69,83)
  • Added proper Jaleco IRQ timing emulation (fixed mapper 18)
  • Added proper Mapper 90 IRQ timing
  • CPU opcode 04 defined as 'NOP' ('Kaijuu Monogatari' works)
  • Started FDS driver fixing, still unplayable
  • Usual code cleanups
You can get this and other NES emulators on our download page.