MAME 0.4

Release Date

MAME 0.4 was released on 16 February 1997.

Contributors

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

• Andy Milne
• Marcel de Kogel
• Nicola Salmoria

Specific Contributions

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

• Bagman (Stern set 1) support was added, albeit with wrong colors.

• Wizard of Wor support was added, though in an unplayable state.

• 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.

• Marcel de Kogel updated the Zilog Z80 CPU core to version 1.1, making it faster. Nicola Salmoria made minor changes to make Crazy Climber work.

• 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

• Bagman (Stern set 1) (wrong colors)

Non-Working Games Added

• Wizard of Wor