DENSITY 8
SPEED 4
DIRECTION 0
I=1
Y=100
GOSUB OpenData
:Start
CLS
TEXT 10,10,"3",0,1,1,"*****OPEN COMMAND TEST*****"
ITEM$=""
READ 0,ITEM$,P,Q
TEXT 10,Y,"2",0,1,1,ITEM$+"$"+STR$(P)+"[EOF(0)="+STR$(EOF(0))+"]"
BARCODE 10,Y+25,"39",40,1,0,2,4,"PRICE*"+STR$(Q)+"="+STR$(P*Q)
Y=Y+100
PRINT 1
Y=100
IF EOF(0)=1 THEN GOSUB OpenData
IF EOF(0)=0 THEN GOTO Start
END
:OpenData
IF I=1 THEN OPEN "DATA1",0
IF I=2 THEN OPEN "DATA2",0
SEEK 0,0
IF I>2 THEN END
I=I+1
RETURN
EOP
DEMO
Saving the above contents of data under the file name of "DEMO".
Follow the steps below to download data to the printer
<under MS-DOS mode>:
C:\>COPY DEMO/B LPT1
Execute DEMO.BAS in printer:
C:\>COPY CON LPT1
DEMO
<Ctrl><Z>
The above example instructs the printer to open the file "DATA1" and "DATA2" with same file
handle of 0, and read items from the file.
See Also
DOWNLOAD, EOP, READ, EOF, LOF, SEEK, FREAD$()
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