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SED: Difference between revisions
From SnesLab
(type 2 admode) |
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| (9 intermediate revisions by the same user not shown) | |||
| Line 7: | Line 7: | ||
|'''Speed''' | |'''Speed''' | ||
|+ | |+ | ||
| | |[[Implied]] (type 2) | ||
|F8 | |F8 | ||
|1 byte | |1 byte | ||
| Line 14: | Line 14: | ||
{| class="wikitable" style="float:right;clear:right;width:30%" | {| class="wikitable" style="float:right;clear:right;width:30%" | ||
!colspan="9"|Flags | !colspan="9"|Flags Affected | ||
|+ | |+ | ||
|N | |[[Negative Flag|N]] | ||
|V | |[[Overflow Flag|V]] | ||
|M | |[[M Flag|M]] | ||
|X | |[[X Flag|X]] | ||
|D | |[[Decimal Flag|D]] | ||
|I | |[[I Flag|I]] | ||
|Z | |[[Zero Flag|Z]] | ||
|C | |[[Carry Flag|C]] | ||
|+ | |+ | ||
|. | |. | ||
| Line 42: | Line 42: | ||
=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] page on SED: https://archive.org/details/0893037893ProgrammingThe65816/page/n526 | * [[Eyes & Lichty]] page 500, on SED: https://archive.org/details/0893037893ProgrammingThe65816/page/n526 | ||
* [[Labiak]] page on SED: https://archive.org/details/Programming_the_65816/page/n191 | * [[Labiak]] page 181 on SED: https://archive.org/details/Programming_the_65816/page/n191 | ||
* [[MCS6500 Manual]] page on SED: https://archive.org/details/mos_microcomputers_programming_manual/page/n41 | * [[MCS6500 Manual]] page 26 on SED: https://archive.org/details/mos_microcomputers_programming_manual/page/n41 | ||
* [[Carr]] page on SED: https://archive.org/details/6502UsersManual/page/n286 | * [[Carr]] page 273 on SED: https://archive.org/details/6502UsersManual/page/n286 | ||
* [[Leventhal]] page on SED: https://archive.org/details/6502-assembly-language-programming/page/n143 | * [[Leventhal]] page 3-94 on SED: https://archive.org/details/6502-assembly-language-programming/page/n143 | ||
* snes9x implementation of SED: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1434 | * snes9x implementation of SED: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1434 | ||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Inherited from 6502]] | [[Category:Inherited from 6502]] | ||
[[Category:One-byte Instructions]] | |||
[[Category:Implied Instructions]] | |||
[[Category:Two-cycle Instructions]] | |||
Latest revision as of 11:44, 14 December 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 2) | F8 | 1 byte | 2 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | 1 | . | . | . | |
SED is a 65x instruction that sets the decimal mode flag.
See Also
External Links
- Eyes & Lichty page 500, on SED: https://archive.org/details/0893037893ProgrammingThe65816/page/n526
- Labiak page 181 on SED: https://archive.org/details/Programming_the_65816/page/n191
- MCS6500 Manual page 26 on SED: https://archive.org/details/mos_microcomputers_programming_manual/page/n41
- Carr page 273 on SED: https://archive.org/details/6502UsersManual/page/n286
- Leventhal page 3-94 on SED: https://archive.org/details/6502-assembly-language-programming/page/n143
- snes9x implementation of SED: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1434