Outils pour utilisateurs
back2root:ibm-pc-ms-dos:interrupts:int_21:int_21_3e
Table des matières
INT 0x21 - 0x3e - Read Close File or Device Using Handle
Request/Call:
| reg | value | descr |
|---|---|---|
| AH | 0x3e | |
| BX | file handle |
Return:
CF is cleared : success
| reg | descr |
|---|---|
| AX | number of bytes readed |
CF is set: error
| reg | descr |
|---|---|
| AX | error code (see DOS Error Code) |
Notes & Comments
- if file is opened for update, file time and date stamp as well as file size are updated in the directory
- handle is freed
back2root/ibm-pc-ms-dos/interrupts/int_21/int_21_3e.txt · Dernière modification : 2024/01/14 18:11 de frater
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