Changes
6502
,* NOP abs,X (opcodes DC, FC) are broken versions of CPY abs,X and CPX abs,X
* NOP # (opcodes 80, 82, 89, C2, E2) are the useless instructions STY #, STX #, STA #, DEC #, INC #
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* The alternate NOPs are not created equal. Some have one- or two-byte operands (which they don't do anything with), and they take different amounts of time to execute.
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== Block Diagrams ==
=== Simple view ===
[[File:Mcs6502-block-diagram.svg|500px]]
=== Detailed view ===
[[File:CPU 6502 Detailed Block Diagram.jpg|500px]]
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