X-Hacker.org- Interrupts & Ports

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        Get exit code of subprogram (INT 21h, 4Dh - WAIT)

        Entry:
          AH = 4Dh
        Return:
          AL = exit code of subprogram (functions 31h or 4Ch)
          AH = circumstance which caused termination
                  0 = Terminate/abort
                  1 = Control-C
                  2 = Hard error
                  3 = Terminate and stay resident

See Also: INT 21h, 4Ch INT 21h, 31h Error codes

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