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List of SEGA arcade system boards
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List of SEGA arcade system boards
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====System 16B specifications==== System 16B included the following upgrades in 1986: * Sound CPU: [[Zilog Z80]] @ 5 MHz<ref name=16b/> (8-bit & 16-bit instructions @ 0.725 MIPS)<ref name=retro/> * PCM sound chip: NEC uPD7759 ADPCM Decoder @ 640 [[Kilohertz|kHz]]<ref name=16b/> ** ADPCM channels: 8<ref name=pd7759>http://pdf.datasheetcatalog.com/datasheets2/18/188119_1.pdf</ref> ** Audio bit depth: 9-bit<ref name=pd7759/><ref>https://github.com/mamedev/mame/tree/master/src/emu/sound/upd7759.c</ref> ** Other features: 8 kHz [[sampling rate]], up to 128 [[Kibibyte|KB]] audio [[Read-only memory|ROM]] and 256 samples<ref name=pd7759/> * GPU chipset: 315-5196 sprite generator, 315-5197 tilemap generator, 315-5213 sprite chip,<ref name=segaic16/> 315-5248 & 315-5250 math chips<ref name=s16tech/> * Sprite capabilities: [[2.5D|Sprite-scaling]]<ref name=16b/>
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