Namco System 22

The Namco System 22 is the successor to the Namco System 21 arcade system board. It debuted in 1992 with Sim Drive in Japan,^[1] followed by a worldwide debut in 1993 with Ridge Racer.

Namco System 22

Manufacturer	Namco
Type	Arcade system board
CPU	Motorola 68020 32-bit
Predecessor	Namco System 21
Successor	Namco System 11

The System 22 was designed by Namco. The main CPU provides a scene description to the TR3 graphics processing unit and a bank of DSP chips which perform 3D calculations.

A variant of the system, called the Super System 22, was released in 1995. The hardware was largely similar to the System 22, but with a slightly higher polygon rate and more special effects possible.

System 22 Specifications

• Main CPU: Motorola 68020 32-bit @ 24.576 MHz
• DSP: 2x Texas Instruments TMS32025 @ 49.152 MHz (exact number of DSPs may vary)
• GPU: Namco's in-house developed GPU (Texture Mapping, Real-Time, Real-Visual, Rendering System)
  • Features: Texture mapping, Gouraud shading, transparency effects, depth cueing, 16.7 million colors, 240,000 polygons/second^[2]
• Sound CPU: Mitsubishi M37702 (System 22 Games) or M37710 (Super System 22 Games) @ 16.384 MHz
• Sound Chip: Namco C352 (32 voices, 4 channels @ 16-bit, support for 8-bit linear or μ-law PCM samples)^[3]
• + Namco Custom Chips

List of System 22 / Super System 22 Games

Namco System 22 Rave Racer

Namco System22 Time Crisis

Namco Aqua Jet

Name	Year of Release	Notes
Sim Drive	(1992)	Limited release[1][4]
Ridge Racer	(1993)
Ace Driver	(1994)
Alpine Racer	(1994)
Cyber Commando	(1994)
Ridge Racer 2	(1994)
Ace Driver: Victory Lap	(1995)
Air Combat 22	(1995)
Cyber Cycles	(1995)
Dirt Dash	(1995)
Rave Racer	(1995)
Time Crisis	(1995)
Tokyo Wars	(1996)
Alpine Racer 2	(1996)
Alpine Surfer	(1996)
Aqua Jet	(1996)[5]
Armadillo Racing	(1996)
Prop Cycle	(1996)