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Turbo

0.34b4 [Alex Pasadyn, Howie Cohen, Frank Palazzolo]


Samples required


WIP:

- 0.109u2: Aaron Giles fixed clock speeds in Turbo. Changed Z80 CPU clock speed to 4992000 Hz and changed VSync to 59.090908 Hz.

- 0.108u4: Changed sound channels to 4.

- 0.108u3: Changed visible area to 224x512 and palettesize to 256 colors. Added prom ($400 - video timing).

- 0.108u2: Fixed rom loading (PROMS) and rom names.

- 0.108u1: Changed visible area to 224x256 and VSync to 59.185608 Hz.

- 0.107u4: Aaron Giles added built-in layouts for Turbo, Subroc 3D, Buck Rogers, Atari Football, Atari Baseball and Super Speed Racer using the new primitives.

- 0.107u2: Added 4x 'Unknown' dipswitches.

- 0.84: Aaron Giles factored machine urbo.c into two parts, one containing all the sound code (sndhrdw urbo.c). Includes some very crude attempts at making the beeps discrete.

- 9th March 2004: Aaron Giles - I've been talking to Derrick Renaud about the discrete sound system and how I can start getting involved. What I would really like to do is get full sound simulation in Turbo, but that will require some op-amp primitives that Derrick is working on. I did manage to get a start on it by doing the square wave beep sounds, but that's just a tiny bit of the overall mess. I'm added also n-channel sound support (Turbo requires 4 output channels).

- 0.63: Subroc-3D, Turbo and Buck Rogers use the artwork to show the LED counters. Changed visible area to 208x248, palettesize to 512 colors and aspect ratio to 3:4.

- 0.57: Fixed gfx2/3 roms order and VSync to 60Hz.

- 25th May 2001: Aaron Giles fixed the Turbo aspect ratio.

- 25th January 2000: Aaron Giles fixed a Turbo sprite bug, and he cleaned up the Williams sound system drivers.

- 1st January 2000: Jim Hernandez fixed the Turbo acceleration sound.

- 0.36b11: Added new prom ($800 - sprite priorities) and 'Service Mode' dipswitch. Changed visible area to 280x248 and palettesize to 518 colors. Complete sampleset with 05.wav, 06.wav, skidding.wav, idle.wav and ambulanc.wav.

- 29th November 1999: Aaron Giles and Ernesto Corvi submitted a working Turbo driver.

- 0.34b4: Added preliminary Turbo (Sega 1981) and clones (encrypted set 1) and (encrypted set 2). Issues: It doesn't work!. Sprite position and scaling. Collision detection. Character colors (mising a PROM ?). Background colors- this is most likely a bug. Speed.


Category: F1-3D


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Romset: 154 kb / 38 files / 61.3 zip