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STY: Difference between revisions
From SnesLab
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* [[STX]] | * [[STX]] | ||
* [[STZ]] | * [[STZ]] | ||
=== External Links === | |||
* [[Eyes & Lichty]] page on STY: https://archive.org/details/0893037893ProgrammingThe65816/page/n532 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Group Three Instructions]] | [[Category:Group Three Instructions]] | ||
[[Category:Inherited from 6502]] | [[Category:Inherited from 6502]] |
Revision as of 22:58, 15 May 2023
STY (Store Y) is a 65x instruction that stores the value of the Y index register.
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Addressing Mode | Opcode | Length | Speed | ||||
absolute | 8C | 3 bytes | 4 cycles | ||||
direct page | 84 | 2 bytes | 3 cycles | ||||
direct page indexed Y | 96 | 2 bytes | 4 cycles |
Flags Clobbered | ||||||||
---|---|---|---|---|---|---|---|---|
N | V | M | X | D | I | Z | C | |
. | . | . | . | . | . | . | . |