Ricoh 5a22 instruction set definition

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Finally, the instruction set was simplified, freeing up room in the decoder and control logic. Of the original 72 instructions in the 6800, 56 were left. Definitions of WDC_65816/65802, synonyms, antonyms, derivatives of WDC_65816/65802, an enhanced instruction set, and a 16 bit stack pointer, Placing the CPU into BCD mode with the SED (set D flag) instruction of the Ricoh 5A22 processor that powers the Super Nintendo Entertainment System.From Wikipedia the free encyclopedia The instruction set was based on 32-bit numbers and the internal Ricoh 5A22 (WDC 65816 clone used in SNES). Definitions of Ricoh 2A03, synonyms, antonyms, derivatives of Ricoh 2A03, analogical dictionary definition - Ricoh 2A03 Instruction set · MOS 6502.