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-
- ; FILENAME: OTABSET.ASM
- ; Copyright (c) 1988, 1989 by Borland International, Inc.
- ;
- ; Description: This module implements the routine TabSet. TabSet
- ; sets a tap stop at a specified column location.
- ; This module uses MASM mode syntax and standard segment directives.
- ;
- ; ASSEMBLY INSTRUCTIONS: To assemble this module use the following
- ; TASM command line.
- ;
- ; TASM otabset
-
- include globals.inc
-
- _TEXT segment
-
- TabSet proc
-
- ; This procedure sets a tab stop. The value passed in bx
- ; represents the column number in which the tab is to be placed.
- ; A tab is represented by the number 1 in the tab table.
- ; Input
- ; bx - column number
- ; TabTbl - starting location of the tab table
- ; TabEnd - ending location of the tab table
- ; Output
- ; TabTbl - cleared and set to null
- ; Registers modified
- ; none
-
- push bx
- lea bx, [TabTbl + bx] ;get address
- cmp bx, TabEnd ;check if past end
- jae tabset1
- mov BYTE PTR [bx], 1 ;set to non-zero
- tabset1:
- pop bx
- ret
- TabSet endp
-
- _TEXT ends
-
- end