home *** CD-ROM | disk | FTP | other *** search
-
- ; FILENAME: OERREXIT.ASM
- ; Copyright (c) 1988, 1989 by Borland International, Inc.
- ;
- ; Description: This module implements the routine ErrorExit. ErrorExit
- ; handles the printing of error messages.
- ;
- ; ASSEMBLY INSTRUCTIONS: To assemble this module use the following
- ; TASM command line.
- ;
- ; TASM oerrexit
-
- include globals.inc
-
- _TEXT segment
-
- ErrorExit proc
-
- ; Input
- ; al - error number
- ; ErrTbl - starting location of the error table
- ; si - address of start of command line
- ; OptTab - Option Table
- ; Options - designates user set options
- ; Output
- ; command line processed
- ; Registers modified
- ; none
-
-
-
- ; get error table entry
-
- sub ah, ah
- mov bx, ax
- shl ax, 1
- add bx, ax ;error number times three
- lea si, [ErrTbl + bx] ;get location of error data
-
- lodsb ;load return code
- push ax
-
- ; write message
-
- lodsw ;load offset of message
- mov si, ax
- lodsb ;load length of message
- sub ah, ah
- mov cx, ax ;length in CX
- mov bx, 2 ;error device
- mov dx, si ;offset in DX
- mov ah, 40h ;function
- int 21h ;execute
-
- ; exit
-
- pop ax ;restore error code
- mov ah, 4ch ;exit function
- int 21h ;execute
-
- ErrorExit endp
- _TEXT ends
-
- end