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LDX: Difference between revisions
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'''LDX''' (Load X) is a 65x instruction that loads the [[X index register]]. | |||
=== See Also === | === See Also === |
Revision as of 19:54, 13 July 2023
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Addressing Mode | Opcode | Length | Speed | ||||
immediate | A2 | 2 bytes | 2 cycles | ||||
absolute | AE | 3 bytes | 4 cycles | ||||
direct page | A6 | 2 bytes | 3 cycles | ||||
absolute indexed Y | BE | 3 bytes | 4 cycles | ||||
direct page indexed Y | B6 | 2 bytes | 4 cycles |
Flags Clobbered | ||||||||
---|---|---|---|---|---|---|---|---|
N | V | M | X | D | I | Z | C | |
. | . | . | . | . | . |
LDX (Load X) is a 65x instruction that loads the X index register.
See Also
External Links
- Eyes & Lichty page on LDX: https://archive.org/details/0893037893ProgrammingThe65816/page/n489
- Labiak page on LDX: https://archive.org/details/Programming_the_65816/page/n160
- MCS6500 Manual page on LDX: https://archive.org/details/mos_microcomputers_programming_manual/page/n114
- Carr page on LDX: https://archive.org/details/6502UsersManual/page/n277
- Leventhal page on LDX: https://archive.org/details/6502-assembly-language-programming/page/n121
- snes9x implementation of LDX: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L772
- undisbeliever on LDX: https://undisbeliever.net/snesdev/65816-opcodes.html#ldx-load-index-register-x-from-memory