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DEX: Difference between revisions
From SnesLab
(added 6502 and dots for unclobbered flags) |
(added E&L page) |
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* [[INX]] | * [[INX]] | ||
* [[INY]] | * [[INY]] | ||
=== External Links === | |||
* [[Eyes & Lichty]] page on DEX: https://archive.org/details/0893037893ProgrammingThe65816/page/n478 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Inherited from 6502]] | [[Category:Inherited from 6502]] | ||
Revision as of 22:33, 15 May 2023
DEX is a 65x instruction that decrements the X index register by one.
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| implied | CA | 1 byte | 2 cycles | ||||
| Flags Clobbered | |||||||
|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C |
| . | . | . | . | . | . | ||