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coreaids.arc
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WRITE.ASM
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Assembly Source File
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1987-06-25
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995b
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44 lines
; DESC; Writes to a data file V1.00
; IN: *{HANDLE} handle of file
; *{NUM_BYTES} number of bytes to write
; *{SEG_VAL} segment and
; *{OFFSET} offset of buffer
; OUT: *{OUT_BYTES} number of bytes actually written
; SAMPLE: Callm WRITE,<HANDLE,NUM_BYTES,SEG_VAL,OFFSET>,<OUT_BYTES>
; ###################################################################
Extrn PUSHALL:Near
Extrn POPALL:Near
Extrn ERRORMSG:Near
WRITEC Segment
Assume CS:WRITEC
Public WRITE
;notice.
DB 'WRITE - V1.00, Copyright 1987, CoreTechs ',0DH,0AH
WRITE Proc Near ;writes a file.
Call PUSHALL
Pop DX ;get buffer offset.
Pop DS ;get buffer segment.
Pop CX ;get number of bytes to write.
Pop BX ;get the handle.
Mov AH,40H ;write a file.
Int 21H
Jc ERROR ;if an error report it.
Push AX
Call POPALL
Ret
ERROR: Push AX ;report error and abort.
Call ERRORMSG
WRITE Endp
WRITEC Ends
End