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- 10 REM: ERRON--FLASH MSD ERROR LED
- 15 GOSUB 200
- 20 N=4:D$=""
- 30 FOR A=1 TO N:READ B:D$=D$+CHR$(B):NEXT
- 90 DATA 32,54,192,96
- 95 REM:JSR CO36 (ERRON) RTS
- 100 OPEN 15,8,15
- 110 PRINT#15, "M-W"CHR$(0)CHR$(64)CHR$(N)D$
- 115 PRINT#15, "M-R"CHR$(0)CHR$(64)CHR$(N)
- 118 FOR B=1 TO N:GET#15, C$:PRINT ASC(C$+"0");:NEXT
- 120 PRINT#15,"M-E"CHR$(0)CHR$(64)
- 130 CLOSE15
- 140 END
- 150 REM:RUNS OK
- 200 PRINT"[147]THIS IS A DOS PROGRAMMING DEMONSTRATION"
- 210 PRINT"IT FLASHES THE ERROR LED ON THE DRIVE"
- 220 PRINT"FROM WHICH THE PROGRAM WAS LOADED"
- 225 PRINT"THE CODE IN LINE 90 MAY BE INCORPORATED"
- 228 PRINT"INTO DOS PROGRAMS TO TEST EXECUTION"
- 230 PRINT"PRESS RETURN TO CONTINUE[146]"
- 240 GETZ$:IF Z$=""THEN 240
- 250 PRINT" RUNNING"
- 260 RETURN
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