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Turbo Toolbox
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Turbo_Toolbox.iso
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ofilfree.asm
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Assembly Source File
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1988-08-28
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1KB
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45 lines
; FILENAME: OFILFREE.ASM
; Copyright (c) 1988 by Borland International, Inc.
;
; Description: This module implements the routine FileFree. FileFree
; deallocates a read/write buffer.
;
; This module uses MASM mode syntax and standard segment directives.
;
; ASSEMBLY INSTRUCTIONS: To assemble this module use the following
; TASM command line.
;
; TASM ofilfree
include globals.inc
_TEXT segment
FileFree proc
; Input
; bx - file record offset
; [bx+2] - buffer size
; Output (of INT 21h, Function 49h)
; cf - set if error occurred
; ax - error code
; 7 - if memory control blocks destroyed
; 9 - if incorrect segment in ES
; Registers modified
; ax
push ax
push es
mov es, [bx+6] ;segment
mov ah, 49h ;function
int 21h ;execute
pop es
pop ax
ret
FileFree endp
_TEXT ends
end