back2root:ibm-pc-ms-dos:interrupts:int_20
INT 0x20 - 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 | descr |
CS | PSP Segment address |
Return:
INT 20 restores the terminate, Ctrl-Break, and critical error exit addresses from values in the PSP, flushes all buffers, frees memory and returns to DOS via the termination handler address
does not close FCBs
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back2root/ibm-pc-ms-dos/interrupts/int_20.txt · Dernière modification : 2023/01/16 17:54 de frater