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CPX: Difference between revisions

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* [[Eyes & Lichty]] page 449, on CPX: https://archive.org/details/0893037893ProgrammingThe65816/page/n475
* [[Eyes & Lichty]] page 449, on CPX: https://archive.org/details/0893037893ProgrammingThe65816/page/n475
* [[Labiak]] page 136 on CPX: https://archive.org/details/Programming_the_65816/page/n146
* [[Labiak]] page 136 on CPX: https://archive.org/details/Programming_the_65816/page/n146
* [[MCS6500 Manual]] page on CPX: https://archive.org/details/mos_microcomputers_programming_manual/page/n117
* [[MCS6500 Manual]] page 99 on CPX: https://archive.org/details/mos_microcomputers_programming_manual/page/n117
* [[Carr]] page 256 on CPX: https://archive.org/details/6502UsersManual/page/n269
* [[Carr]] page 256 on CPX: https://archive.org/details/6502UsersManual/page/n269
* [[Leventhal]] page 3-58 on CPX: https://archive.org/details/6502-assembly-language-programming/page/n107
* [[Leventhal]] page 3-58 on CPX: https://archive.org/details/6502-assembly-language-programming/page/n107

Revision as of 04:58, 6 December 2023

Basic Info
Addressing Mode Opcode Length Speed
Immediate E0 2 bytes* 2 cycles*
Absolute EC 3 bytes 4 cycles*
Direct Page E4 2 bytes 3 cycles*
Flags Affected
N V M X D I Z C
. . . . .

CPX (Compare X) is a 65x instruction that compares the value of the X index register.

See Also

External Links