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Operation Code: Difference between revisions
From SnesLab
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=== See Also === | === See Also === | ||
* [[Instruction Register]] | * [[Instruction Register]] | ||
* [[65c816 Opcode Matrix]] | |||
* [[SPC700 Opcode Matrix]] | |||
* [[Super FX Opcode Matrices]] | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Official Jargon]] | [[Category:Official Jargon]] | ||
Revision as of 06:22, 12 November 2024
An Operation Code in the 65x architecture is the first byte of an instruction.
The first machine cycle of each instruction is the opcode fetch, during which both VPA=1 and VDA=1.