Outils pour utilisateurs
back2root:ibm-pc-ms-dos:instr:pushf
Ceci est une ancienne révision du document !
PUSHF - POPF
PUSHF/PUSHFD - Push Flags onto Stack
Transfers the Flags Register onto the stack. PUSHF saves a 16 bit value while PUSHFD saves a 32 bit value.
Usage:
PUSHF PUSHFD ; (386+ only)
Modifies flags:
None
| Clocks | Size | ||||
|---|---|---|---|---|---|
| Operands | 808x | 286 | 386 | 486 | Bytes |
| none | 10/14 | 3 | 4 | 4 | 1 |
| none (PM) | - | - | 4 | 3 | 1 |
POPF/POPD - Pop Flags off Stack
Pops word/doubleword from stack into the Flags Register and then increments SP by 2 (for POPF) or 4 (for POPFD).
Usage:
POPF POPFD ; (386+ only)
Modifies flags:
CF PF AF ZF SF TF IF DF OF IOPL NT RF VM
286+ only 386+ only
| Clocks | Size | ||||
|---|---|---|---|---|---|
| Operands | 808x | 286 | 386 | 486 | Bytes |
| none | 10/14 | 3 | 4 | 4 | 1 |
| none (PM) | - | - | 4 | 3 | 1 |
back2root/ibm-pc-ms-dos/instr/pushf.1677884914.txt.gz · Dernière modification : 2023/03/04 00:08 de frater
Outils de la page
Sauf mention contraire, le contenu de ce wiki est placé sous les termes de la licence suivante : CC Attribution-Noncommercial-Share Alike 4.0 International
