Taito B System

Specifications

• Main CPU: Motorola MC68000 @ 12 MHz
• Sound CPU: Zilog Z80 @ 4–6 MHz
• Sound chips:
• * Main sound chip: Yamaha YM2610/YM2610B @ 8 MHz or YM2203 @ 3 MHz
• ** Yamaha YM2610: 4 FM synthesis channels, 3 SSG channels, 6 ADPCM channels @ 12-bit, 1 ADPCM channel @ 16-bit
• ** Yamaha YM2610B: 6 FM synthesis channels, 3 SSG channels, 6 ADPCM channels @ 12-bit, 1 ADPCM channel @ 16-bit
• ** Yamaha YM2203: 3 FM synthesis channels, 3 SSG channels
• * Sound communication chip: Taito TC0140SYT
• * Optional: Oki MSM6295 @ 1.056 MHz
• GPU chipset:
• * Video display processor: Taito TC0180VCU @ 27.164 MHz
• * Palette chip: Taito TC0260DAR
• I/O chip: Taito TC0220IOC or TC0510NIO
• RAM: 356 KB
• * 68000 main RAM: 32 KB
• * 68000 video RAM: 46 KB
• * TC0180VCU video RAM: 270 KB
• * Z80 sound RAM: 8 KB
• Video resolution: 320×224 to 512×256 pixels, progressive scan
• * Refresh rate: 60 Hz
• Colors:
• * Color palette depth: 4096, or 32,768
• * Colors on screen: 4096
• Graphical layers:
• * Tilemap planes: 3 tile layers, 64×64 tiles resolution, 16 colors per tile
• ** Background layer: 16×16 pixels per tile, 1024×1024 pixels resolution, scrolling, line scrolling
• ** Foreground layer: 16×16 pixels per tile, 1024×1024 pixels resolution, scrolling, line scrolling
• ** Pageable text layer: 8×8 pixels per tile, 512×512 pixels resolution
• * Sprite plane: 408 sprites on screen, 16×16 to 256×256 pixels per sprite, 16 to 64 colors per sprite
• ** Buffering: Dual 512×256 framebuffers, double buffering
• ** Sprite pixels: 27.164 MHz video clock cycles, 452,733 pixels per frame, 1768 sprite pixels per scanline, 110 sprites per scanline
• ** Hardware capabilities: Sprite flipping, sprite scaling/zooming
• * Optional pixel bitmap plane

  Games

• Rastan Saga II
• Crime City
• Master of Weapon
• Rambo III
• Tetris
• Violence Fight
• Ashura Blaster
• Hit the Ice
• Sonic Blast Man
• Sel Feena
• Silent Dragon
• Quiz Sekai wa Show by shobai
• Ryujin
• Puzzle Bobble
• Real Puncher
• Space Invaders DX