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back2root:ibm-pc-ms-dos:interrupts:int_21:int_21_34
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Ci-dessous, les différences entre deux révisions de la page.
| Les deux révisions précédentesRévision précédente | |||
| back2root:ibm-pc-ms-dos:interrupts:int_21:int_21_34 [2024/04/08 08:23] – ↷ Liens modifiés en raison d'un déplacement. 23.22.35.162 | back2root:ibm-pc-ms-dos:interrupts:int_21:int_21_34 [2024/08/13 11:27] (Version actuelle) – [Notes & Comments] frater | ||
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| Ligne 24: | Ligne 24: | ||
| * though this flag indicates whether a DOS interrupt is active, it should not be used alone to determine DOS is safe for re-entry; Here's the standard rule for safe DOS entry: if [[back2root: | * though this flag indicates whether a DOS interrupt is active, it should not be used alone to determine DOS is safe for re-entry; Here's the standard rule for safe DOS entry: if [[back2root: | ||
| * this interrupt should be used only during TSR initialization; | * this interrupt should be used only during TSR initialization; | ||
| - | * this flag is cleared after a critical error ([[back2root: | + | * this flag is cleared after a critical error ([[back2root: |
| * ES:BX-1 points to the critical error flag for DOS 3.x+ | * ES:BX-1 points to the critical error flag for DOS 3.x+ | ||
| * ES:BX+1 points to the critical error flag for DOS 2.x | * ES:BX+1 points to the critical error flag for DOS 2.x | ||
| * ES:BX-1AA points to the critical error flag for COMPAQ DOS 3.0 | * ES:BX-1AA points to the critical error flag for COMPAQ DOS 3.0 | ||
| - | INT [[back2root: | + | INT [[back2root: |
| [[start|Back]] | [[start|Back]] | ||
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