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理光2A03

理光2A03
RP2A03E
產品化1982至1995
生产商
指令集架構MOS 6502
制作工艺/製程6 μm
核心数量1
CPU主频范围1.79 MHz
CPU插座

理光2A03(Ricoh 2A03、RP2A03,NTSC版)和理光2A07(Ricoh 2A07、RP2A07,PAL版)是理光生产的8位元微处理器,用于任天堂电子游戏机红白机。其为MOS Technology 6502核心的第二供貨源,除去了6502的二-十进制编码模式,但加入22个存储器映射输入输出暂存器,控制APU、初级DMA和游戏控制器轮询[1]。其还用为任天堂街机游戏《拳无虚发》和《大金刚3》的音频芯片及副CPU。

参考文献

  1. ^ Taylor, Brad. 2A03 technical reference. NesDev.com. April 23, 2004 [June 6, 2008]. (原始内容存档于October 17, 2018). 
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理光2A03
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