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MacFCEU 0.9d3


MacFCEU is a  Mac OS-specific port of FCE Ultra 0.98.13 (an NES/Famicom emulator), and beyond. Classic and Carbon are supported exclusively.

Minimal Requirements:

  • System 7.1 or later (7.5.5+ recommended)
    • A 68020 or better - a 266MHz+ computer is necessary for real time performance; 333MHz+ for full, smooth performance, working speed features
    • Note: requirements may be lower with sound turned off (0% volume)
  • 2700KB of RAM (Largest Unused Block), preset to 4 MB/3 MB
  • The optimal sample rate is 2x the native/set system rate. (44509 for the 22254.54545 Hz rate; divides evenly by two as far as the Sound Manager's 16 bits of fractional precision is concerned.)


MacFCEU 0.9d3

  • NSF:
    • The NTSC and PAL speeds are now used (if valid).
    • Added maximum init frame count to fix NSFs like "Battletoads & Double Dragon".
    • Not counting boot cycles.  Negative = off; 0 by default.
  • PPU:
    • Read/writer handlers no longer set when an NSF is loaded.
    • Fixed the start-of-frame code so all Shay Green's NMI/VBL tests now pass. (That "nature of this delay" is more-or-less figured out.)
  • CPU:
    • Cycles spent for NMI increased to 8 to work with the NMI/VBL changes.
  • APU:
    • Added final-cycle read/write effects and frame IRQ.
    • All of Shay Green's APU tests pass.
  • Mac OS:
    • High rate warning only once per launch.
    • Fixed breakpoint issues that prevented normal hits; a missing 'extern' produced more than one debug settings variable.
    • Added snd latency to fix breakup issues w. small sound frames, such as fast NSFs and high speeds, and Mac emulators w. high latency.
    • Quadruple buffering now collected double-buffering.
    • Previous code resulted in overflow & repeats.




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