Function 00h Terminate Program Ends program, updates, FAT, flushes buffers, restores registers entry AH 00h CS segment address of PSP return none note 1) Program must place the segment address of the PSP control block in CS before calling this function. 2) The terminate, ctrl-break,and critical error exit addresses (0Ah, 0Eh, 12h) are restored to the values they had on entry to the terminating program, from the values saved in the program segment prefix at locations PSP:000Ah, PSP:000Eh, and PSP:0012h. 3) All file buffers are flushed and the handles opened by the process are closed. 4) Any files that have changed in length and are not closed are not recorded properly in the directory. 5) Control transfers to the terminate address. 6) This call performs exactly the same function as Int\20. 7) All memory used by the program is returned to DOS.
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