0...100 to 0...255. Specifications Video RAM: 16 KB Text modes: 40 × 24 and 32 × 24 Resolution: 256 × 192 Colours: 15 colours + transparent Sprites: 32, 1 colour, max 4 per horizontal line Legacy Texas Instruments' TMS9918A was succeeded by Yamaha's V9938, which added additional bitmap modes, more colorful sprites, a vertical full-screen scroll register, vertical and horizontal offset registers, a hardware blitter and a customizable palette. The V9938 was designed for the MSX2 standard of computers, and later used in a third-party upgrade to the TI-99/4A — the Geneve 9640 'computer-on-a-card'. The V9938, in turn, was succeeded by the V9958, which added some additional high-colour modes and a horizontal two-page scroll register, these chips were used in the MSX2+/turboR systems. Toshiba made a clone called the T6950 and does not support the undocumented pattern / color table masking feature in graphics 2 mode. Later, Toshiba released the T7937A MSX-Engine with a built-in VDP and fixed the masking features. Both VDPs by Toshiba feature a slightly different palette than the Texas VDPs, with more vivid colors. The TMS9918 was the basis for the VDP chips in Sega's Master System, Game Gear, and Mega Drive. They used additional display modes and registers, and added hardware scrolling capabilities and other advanced features. See also Atari 8-bit family, a home computer line with comparable graphics hardware introduced the same year Motorola 6845, a display controller widely used in 8-bit computers Motorola 6847 Yamaha V9938 Yamaha V9958 List of 8-bit computer hardware graphics References External links Datasheet Programmers Guide F18A Modern Replacement Computer-related introductions in 1979 Graphics chips TI-99/4A MSX Coleco consoles