Category : Assembly Language Source Code
Archive : COREAIDS.ZIP
Filename : SRCH_VOL.ASM
Output of file : SRCH_VOL.ASM contained in archive : COREAIDS.ZIP
; IN: *{DRIVE} drive number (0:default,1:A,2:B,etc...)
; OUT: *{SEG_VAL} segment and
; *{OFFSET} offset of volume name
; *{FLAG} has a value of 0 if a volume label is found
; SAMPLE: Callm,
; ################################################################
SRCH_VOD Segment Para Public 'DATA'
TRANSFER DB 80H DUP(0)
SEGER DW 0
OFFER DW 0
FCBSRCH DB 0FFH,5 DUP(0),8
DRIVE DB 0
DB '???????????'
SRCH_VOD Ends
Extrn PUSHALL:Near
Extrn POPALL:Near
Extrn GET_DSK:Near
Extrn SET_DSK:Near
SRCH_VOC Segment
Assume CS:SRCH_VOC,DS:SRCH_VOD
Public SRCH_VOL
;notice.
DB 'SRCH_VOL - V1.00, Copyright 1987, CoreTechs ',0DH,0AH
SRCH_VOL Proc Near
Call PUSHALL ;save registers.
Mov AX,SRCH_VOD ;setup workarea.
Mov DS,AX
Call GET_DSK ;get DTA.
Pop SEGER ;and save address.
Pop OFFER
Pop AX ;recover drive number.
Mov DRIVE,AL ;save drive number.
Push DS ;setup DTA.
Mov AX,OFFSET TRANSFER
Push AX
Call SET_DSK
Mov AX,1100H ;search for volume name.
Mov DX,OFFSET FCBSRCH
Int 21H
Mov AH,0 ;return search flag.
Push AX
Mov AX,OFFSET TRANSFER
Add AX,8
Push AX ;return offset and
Push DS ;segment of volume name.
Push SEGER ;restore DTA.
Push OFFER
Call SET_DSK
Call POPALL ;restore registers.
Ret
SRCH_VOL Endp
SRCH_VOC Ends
End
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