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JMP: Difference between revisions
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* [[Carr]] page 261 on JMP: https://archive.org/details/6502UsersManual/page/n274 | * [[Carr]] page 261 on JMP: https://archive.org/details/6502UsersManual/page/n274 | ||
* [[Leventhal]] page 3-69 on JMP: https://archive.org/details/6502-assembly-language-programming/page/n118 | * [[Leventhal]] page 3-69 on JMP: https://archive.org/details/6502-assembly-language-programming/page/n118 | ||
* http://www.6502.org/tutorials/6502opcodes.html#JMP | * Pickens, John. http://www.6502.org/tutorials/6502opcodes.html#JMP | ||
[[Category:ASM]] | [[Category:ASM]] | ||
Revision as of 05:32, 21 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Absolute | 4C | 3 bytes | 3 cycles | ||||
| Absolute Indirect | 6C | 3 bytes | 5 cycles | ||||
| Absolute Indexed Indirect | 7C | 3 bytes | 6 cycles | ||||
| Absolute Long | 5C | 4 bytes | 4 cycles | ||||
| Absolute Indirect Long | DC | 3 bytes | 6 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
JMP is a 65c816 instruction that performs an unconditional jump.
The NMOS 6502's opcode 6C behaves incorrectly when the low byte of the target address is $FF.
TODO: Add note about jumping to a vector that straddles a page boundary
JMP is not relocatable. No flags are affected.
Syntax
JMP addr JMP (addr) JMP (addr, X) JMP long JML long JMP [addr] JML [addr]
See Also
External Links
- Eyes & Lichty page 459, on JMP: https://archive.org/details/0893037893ProgrammingThe65816/page/459
- Labiak page 145 on JMP: https://archive.org/details/Programming_the_65816/page/n155
- MCS6500 Manual page 36 on JMP: https://archive.org/details/mos_microcomputers_programming_manual/page/n51
- Carr page 261 on JMP: https://archive.org/details/6502UsersManual/page/n274
- Leventhal page 3-69 on JMP: https://archive.org/details/6502-assembly-language-programming/page/n118
- Pickens, John. http://www.6502.org/tutorials/6502opcodes.html#JMP