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Catalogue of Arcade Emulation Software - the Absolute Reference

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scramble.c

0.06 [Nicola Salmoria]

0.05 [Nicola Salmoria, Ville Laitinen]


TODO:

- Mariner has discrete sound circuits connected to the 8910's output ports


NOTES:

- There is a bug in Amidars and Triple Punch. Look at the loop at 0x2715. It expects DE to be saved during the call to 0x2726, but it can be destroyed, causing the loop to read all kinds of bogus memory locations.

- While Atlantis has a cabinet switch, it doesn't use the 2nd player controls in cocktail mode.


Bugs:

- atlantis, scramble: In Battle of Atlantis and Scramble is since MAME36b16 the volume of the pulse noise too high and you can not hear the shoot sound. The volume of the strange pulse noise can be set with (AY-8910 #1 Ch C Volume 16%) to 5%. But after a RESET the noise is too high again. scramblec057gre MASH


WIP:

- 0.113u2: Changed VSync to 60.606061 Hz.

- 0.110u2: Galaxian/Scramble driver reorganization [Atari Ace]: machine/scramble.c is broken up into two files: machine/galaxian.c and machine/scramble.c, drivers/amidar.c, drivers/frogger.c, drivers/scobra.c get copies of some of the data structures they shared from other drivers. galaxian_base is made static and uses outside of the main driver were rewritten. cclimber_decode code from drivers/cclimber.c was separated into its own machine/cclimber.c file to allow mshuttle to share it without taking on other dependencies.

- 0.89u6: Changed S2650 CPU1 clock speed to 1536000 Hz in Driving Force (Pac-Man conversion), Eight Ball Action (Pac-Man conversion) and Porky.

- 1st June 2001: Zsolt Vasvari fixed the Galaxian / Scramble starfield graphics emulation.

- 0.37b15: Changed VSync to 60.606060Hz.

- 2nd May 2001: Zsolt Vasvari updated the Scramble driver with many bugfixes and cleanups.

- 5th October 2000: Paul Swan submitted a driver for Cavelon.

- 21st March 1999: Zsolt Vasvari has combined Crazy Kong (scramble hardware) with the main Scramble driver.

- 4th June 1999: Zsolt Vasvari sent in a driver for Hot Shocker.

- 28th May 1999: Zsolt Vasvari added Mars, New Sinbad 7 and the original Devil Fish to the Artic games driver.

- 0.35b8: Merged ckongs.c with scramble.c driver.

- 0.18: Added ckongs.c driver.

- 0.12: Merged theend.c with scramble.c driver.

- 0.08: Added atlantis.c driver.

- 0.06: Added scramble.c driver.

- 0.05: Added theend.c driver.