Namco NB-1

The Namco 32-bit NB-1 arcade system board was first used by Namco in 1993. NB-2 has different memory map, more complex sprite and tile banking and 2 additional ROZ layers than NB-1.

Namco NB-1/NB-2 specifications

 * Main CPU: Motorola 68020 32-bit processor @ 25 MHz
 * Secondary CPUs: C329 + C137
 * Custom graphics chips: GFX: 123, 145, 156, C116 - Motion Objects: C355, 187, C347
 * Sound CPU: C351
 * PCM Sound chip: C352
 * Control chip: C160
 * Board composition: 2 boards (NB-1) or single board (NB-2)

List of Namco NB-1 arcade games

 * Great Sluggers '93 (1993)
 * Great Sluggers Featuring 1994 Team Rosters (1994)
 * J-League Soccer V Shoot (1994)
 * Nebulas Ray (1994)
 * Point Blank (1994)
 * Super World Stadium '95 (1995)
 * Super World Stadium '96 (1996)
 * Super World Stadium '97 (1997)

List of Namco NB-2 arcade games

 * Mach Breakers (1995)
 * The Outfoxies (1994)