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- 10 REM SYSTEM PROGRAM VERSION 790702
- 20 ERRSET 110,E1,E2
- 30 REM COPYRIGHT SNOW MICRO SYSTEMS INC. 1979
- 40 REM BY JOE KASSER JUNE 1979
- 45 PRINT
- 50 DIMX$(15) \ INPUT">",C$
- 60 FOR I=1 TO 4\ I$=STR$(I) \X$=C$+","+I$(2,2)
- 70 IF FILE(X$)=2 THEN EXIT 100
- 80 NEXT\ PRINT"cannot find ",C$
- 90 GOTO 170
- 100 CHAIN X$
- 110 ERRSET 110,E1,E2
- 120 IF E2=15 THEN 170
- 130 IF E1<>70 THEN 140 ELSE IF I>4 THEN 90 ELSE 80
- 140 IF E1<>180 THEN150 ELSE IF I>4 THEN 210 ELSE 190
- 150 IF E2<>8 THEN 160 ELSE PRINT"HARD DISC ERROR"\GOTO 170
- 160 PRINT"ERROR ",E2," AT LINE ",E1 \GOTO 170
- 170 FOR I=1 TO 4
- 180 IF FILE("SYSTEM,"+STR$(I))=2 THEN EXIT 200
- 190 NEXT \ GOTO 210
- 200 CHAIN "SYSTEM,"+STR$(I)
- 210 PRINT"put a system disc in any drive, then hit 'RETURN'"
- 220 INPUT" ",A$ \ GOTO 170