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back2root:ibm-pc-ms-dos:interrupts:int_21:int_21_00
Table des matières
INT 0x21 - 0x00 - Program Terminate
This function is no longer recommended, but can be used by version of DOS before 2.0, see Int 0x21,0x4C and Int 0x21,0x00
Request/Call:
| reg | value | descr |
|---|---|---|
| AH | 0x00 | |
| CS | PSP segment adress |
Return:
Nothing
Notes & Comments
- restores the terminate, Ctrl-Break, and critical error exit addresses, flushes all buffers, frees memory and returns to DOS via the termination handler address
- does not close FCBs
back2root/ibm-pc-ms-dos/interrupts/int_21/int_21_00.txt · Dernière modification : 2023/01/16 17:54 de frater
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