Unverified50% confidenceFactExact time
The NES's main processor is the Ricoh 2A03, a custom version of the MOS Technology 6502; it is an 8-bit CPU with a clock speed of about 1.79 MHz and an instruction set containing about 56 instructions.
1
Sources
50%
Confidence
Long-term
Relevance
10/30/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe NES uses a variant of the 6502 as its CPU instruction set, while the Game Boy uses the Sharp LR35902; the two differ completely in instruction encoding and execution semantics.73% similarUnverifiedThe NeSLE project implements the NES's 6502 CPU, PPU, and bus entirely as CUDA kernels, using a parallelism model of one thread per environment.70% similarUnverifiedMOS 6510处理器是MOS 6502的变体，增加了内置I/O端口用于内存银行切换68% similarUnverifiedMOS Technology为C64专门开发了VIC-II图形芯片和SID音频芯片67% similarUnverifiedDeveloper Drew Breunig trained a complete NES 6502 CPU emulator into the model weights of Qwen3.5-4B.66% similar
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