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Yamaha V9938
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Yamaha V9938
The Yamaha V9938, also known as MSX-Video or VDP (Video Display Processor), is a video display processor (VDP) used on the MSX2 home computer, as well as on the Geneve 9640 enhanced TI-99/4A clone, and the Tatung Einstein 256. It was also used in a few MSX1 computers, in a configuration with 16kB VRAM. It was also used in the Zemmix V console.
The Yamaha V9938 is the successor of the Texas Instruments TMS9918 used in the MSX1 and other systems. The V9938 was in turn succeeded by the Yamaha V9958.
On MSX, the screen modes are often referred to by their assigned number in MSX-Basic. This mapping is as follows:
MSX-Video Technical Data Book, for Yamaha V9938 (August 1985) bitsavers.org
V9938 programmer guide http://rs.gr8bit.ru/Documentation/V9938-programmers-guide.pdf
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Yamaha V9938
The Yamaha V9938, also known as MSX-Video or VDP (Video Display Processor), is a video display processor (VDP) used on the MSX2 home computer, as well as on the Geneve 9640 enhanced TI-99/4A clone, and the Tatung Einstein 256. It was also used in a few MSX1 computers, in a configuration with 16kB VRAM. It was also used in the Zemmix V console.
The Yamaha V9938 is the successor of the Texas Instruments TMS9918 used in the MSX1 and other systems. The V9938 was in turn succeeded by the Yamaha V9958.
On MSX, the screen modes are often referred to by their assigned number in MSX-Basic. This mapping is as follows:
MSX-Video Technical Data Book, for Yamaha V9938 (August 1985) bitsavers.org
V9938 programmer guide http://rs.gr8bit.ru/Documentation/V9938-programmers-guide.pdf
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