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PHP: Difference between revisions
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{| class="wikitable" style="float:right;clear:right;width:40%" | |||
{| class="wikitable" style="float:right;clear:right;width: | |||
!colspan="8"|Basic Info | !colspan="8"|Basic Info | ||
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|'''Speed''' | |'''Speed''' | ||
|+ | |+ | ||
| | |[[Stack Addressing|Stack]] (Push) | ||
|08 | |08 | ||
|1 byte | |1 byte | ||
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{| 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]] | ||
|+ | |+ | ||
|. | |. | ||
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|. | |. | ||
|} | |} | ||
'''PHP''' is a 65x instruction that pushes the value of the [[processor status register]] onto the [[stack]]. The e bit is omitted from this operation. PHP always pushes a single byte. | |||
=== See Also === | |||
* [[PLP]] | |||
* [[PHA]] | |||
* [[PHX]] | |||
* [[PHY]] | |||
* [[PHB]] | |||
* [[PHK]] | |||
=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] page on PHP: https://archive.org/details/0893037893ProgrammingThe65816/page/n506 | * [[Eyes & Lichty]] page 480, on PHP: https://archive.org/details/0893037893ProgrammingThe65816/page/n506 | ||
* [[Labiak]] page on PHP: https://archive.org/details/Programming_the_65816/page/n174 | * [[Labiak]] page 164 on PHP: https://archive.org/details/Programming_the_65816/page/n174 | ||
* [[MCS6500 Manual]] page on PHP: https://archive.org/details/mos_microcomputers_programming_manual/page/n141 | * [[MCS6500 Manual]] page 122 on PHP: https://archive.org/details/mos_microcomputers_programming_manual/page/n141 | ||
* [[Carr]] page 267 on PHP: https://archive.org/details/6502UsersManual/page/n280 | |||
* [[Leventhal]] page 3-82 on PHP: https://archive.org/details/6502-assembly-language-programming/page/n131 | |||
* snes9x implementation of PHP: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1844 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Inherited from 6502]] | [[Category:Inherited from 6502]] | ||
[[Category:Push Instructions]] | |||
[[Category:One-byte Instructions]] | |||
Latest revision as of 06:07, 7 December 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Stack (Push) | 08 | 1 byte | 3 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
PHP is a 65x instruction that pushes the value of the processor status register onto the stack. The e bit is omitted from this operation. PHP always pushes a single byte.
See Also
External Links
- Eyes & Lichty page 480, on PHP: https://archive.org/details/0893037893ProgrammingThe65816/page/n506
- Labiak page 164 on PHP: https://archive.org/details/Programming_the_65816/page/n174
- MCS6500 Manual page 122 on PHP: https://archive.org/details/mos_microcomputers_programming_manual/page/n141
- Carr page 267 on PHP: https://archive.org/details/6502UsersManual/page/n280
- Leventhal page 3-82 on PHP: https://archive.org/details/6502-assembly-language-programming/page/n131
- snes9x implementation of PHP: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1844