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

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