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The Yamaha V9958 is a Video Display Processor (VDP) used in MSX 80s home computers. More specifically, the MSX2+, MSX turbo R and the "TIM" upgrade to the TI-99/4A. The Yamaha V9958, also known as MSX-Video, is the successor of the Yamaha V9938. It was clearly conceived not to be a very major upgrade to its predecessor, which hampered its adoption. The main new features are three graphical YJK modes (with up to 19268 colours) and horizontal scrolling registers. ==Specifications== * Video RAM: 128 KB + 64 KB of expanded VRAM * Text modes: 80 x 24 and 32 x 24 * Resolution: 512 x 212 (4 or 16 colours out of 512) and 256 x 212 (16, 256, 12499 or 19268 colours) * Sprites: 32, 16 colours, max 8 per horizontal line * Hardware acceleration for copy, line, fill, etc. * Interlacing to double vertical resolution * Horizontal and vertical scroll registers 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Yamaha V9958」の詳細全文を読む スポンサード リンク
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