MAME 0.4 was released on 16 February 1997.
The known contributors for this version are, in first-name alphabetical order:
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.
Working Games Added
Non-Working Games Added