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s3fileio.mac
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1984-04-29
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1KB
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87 lines
;
; SYSLIB Module Name: S3FILE
; Author: Richard Conn
; SYSLIB Version Number: 2.0
; Module Version Number: 1.0
; Module Entry Points:
; F3$GET F3$PUT FI3$CLOSE FI3$OPEN
; FO3$CLOSE FO3$OPEN
; Module External References:
; ADRCPY F$GET F$PUT FI$CLOSE
; FI$OPEN FO$CLOSE FO$OPEN
;
;
; EXTERNAL DECLARATIONS
;
EXT ADRCPY
EXT FI$OPEN
EXT FO$OPEN
EXT FI$CLOSE
EXT FO$CLOSE
EXT F$GET
EXT F$PUT
;
; MAIN ROUTINES FOR F3
;
FI3$OPEN::
CALL F3$COPY ; COPY ADDRESSES
JMP FI$OPEN ; DO IT
FO3$OPEN::
CALL F3$COPY ; COPY ADDRESSES
JMP FO$OPEN
F3$GET::
CALL F3$COPY ; COPY ADDRESSES
JMP F$GET
F3$PUT::
CALL F3$COPY ; COPY ADDRESSES
JMP F$PUT
FI3$CLOSE::
CALL F3$COPY ; COPY ADDRESSES
JMP FI$CLOSE
FO3$CLOSE::
CALL F3$COPY ; COPY ADDRESSES
JMP FO$CLOSE
F3$COPY:
PUSH H
PUSH D
PUSH B
PUSH PSW
LXI D,F3$TAB ; COPY F3
CALL ADRCPY
POP PSW
POP B
POP D
POP H
RET
;
; INIT TABLE AND BUFFERS FOR F3 ROUTINES
;
I3$FLG: DB 0 ; INPUT FILE OPENED FLAG (0=NO)
O3$FLG: DB 0 ; OUTPUT FILE OPENED FLAG (0=NO)
I3$FCB: DS 36 ; INPUT FILE FCB
O3$FCB: DS 36 ; OUTPUT FILE FCB
I3$BUF: DS 128 ; INPUT BUFFER
O3$BUF: DS 128 ; OUTPUT BUFFER
I3$PTR: DS 2 ; INPUT CHAR PTR
O3$PTR: DS 2 ; OUTPUT CHAR PTR
I3$CNT: DS 1 ; INPUT CHAR COUNT
O3$CNT: DS 1 ; OUTPUT CHAR COUNT
F3$TAB:
DW I3$FLG
DW O3$FLG
DW I3$FCB
DW O3$FCB
DW I3$BUF
DW O3$BUF
DW I3$PTR
DW O3$PTR
DW I3$CNT
DW O3$CNT
END