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Catalogue of Arcade Emulation Software - the Absolute Reference

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firetrk.c

0.37b12 [Stefan Jokisch]


SOUND HARDWARE NOTES:

- The Firetruck sound system have 7 sounds: Horn, Motor, Siren, Crash, Screech/Skid, Bell and Xtnd. The Motor sound circuit is based on a 556 VCO, the Horn is taken from the a 64V signal that is a 750Hz sqruare wave, Siren is built around a 556 based VCO, Crash circuit is built around a noise generator, Skid circuit takes the noise output from the crash circuit and applies +ve feedback to cause oscillation and the Extended play circuit is just the 8V signal gated with regestered output from a D-Type mand mapped into memory.


WIP:

- 0.61: Merged superbug.c with firetrk.c driver.

- 29th May 2002: Stefan Jokisch merged the Fire Truck and Super Bug drivers and improved both of them significantly.

- 9th March 2002: Stefan Jokisch sent in a driver for Super Bug.

- 14th February 2001: With Nicola Salmoria's help, he also fixed some 6808 CPU core bugs that prevented Fire Truck from working.

- 7th February 2001: Phil Stroffolino added collision detection to Fire Truck, but it still unfortunately does not work with the C 6808/6800 core.

- 5th February 2001: Phil Stroffolino sent in a Fire Truck driver based on Ron Fries' and Dan Boris' original work, but the game does not start because of CPU core bugs and it also lacks collision detection.