MAME 0.4

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Release Date

MAME 0.4 was released on 16 February 1997.


The known contributors for this version are, in first-name alphabetical order:

Specific Contributions

The known contributions for this version are, in the order specified in the whatsnew:

  • Andy Milne provided updated AY-3-8910 sound chip emulation code, affecting some games positively and some negatively.
  • The main graphic rendering function, drawgfx(), was optimized, benefitting Mr. Do!, Crazy Climber and Crazy Kong.
  • The IN and OUT instructions in the Zilog Z80 CPU core were modified to use the same memory access system as normal memory reads and writes.
  • The function generic_interrupt_vector_w() was added for controlling CPU interrupt vectors.

Game Support

Working Games Added

Non-Working Games Added