Listing of file='TSTMEN.BAS;02' on disk='vmedia/chip_129-sector.ccvf'
20 PLOT 14,12,9,9,9 30 PRINT "DISCO (REPLACE CHIP DISK)" 50 PLOT 10,10,15 70 PRINT "1 SPIN MARKSTHE DISC AT TRACK 40 AND COMPUTES" 80 PRINT " THE REVOLUTION TIME IN 100'S OF MICROSECS. THE ROUTINE IS" 90 PRINT " PROCESSOR INDEPENDENT AND IS ACCURATE TO .01% WITH A " 100 PRINT " RESOLUTION OF .025%. CORRECT READING IS 2000 FOR 300 RPM." 110 PLOT 10 130 PRINT "2 ALIGN READS TRACK 17 CONTINUOUSLY." 140 PRINT " LOOK AT TP1 ON DISC BOARD AND MAXIMISE 1KHZ SIGNAL" 150 PRINT " HALF TRACKS EITHER SIDE HAVE LOWER AMPLITUDE 10 KHZ SIGNALS" 151 PLOT 10 152 PRINT "3 TEST FILLS TRACKS 33 AND 34 WITH '.'. READS" 153 PRINT " THEM TO SCREEN. THE SCREEN IS THEN WRITTEN TO DISC AND " 154 PRINT " VICA-VERSA. THIS TEST IS REPEATED 10 TIMES SO THE ERRORS" 155 PRINT " ARE CUMULATIVE AND CAN BE SEEN AT THE END OF THIS TEST. " 160 PLOT 10,10 170 PRINT "USE ESC^ FOR TEST. ESC S FOR SPIN. ESC I FOR ALIGN" 2000 PLOT 27,4:PRINT "LOAD TESTB.PRG" 2010 PRINT "LOAD SPIN.PRG" 2015 PRINT "LOAD ALIGN.PRG":PLOT 27,27 2020 INPUT "REPLACE DISK AND HIT RETURN TO CONTINUE";ZZ 2021 PLOT 10,10,10 2022 POKE 33215,195 2023 POKE 33216,0 2024 POKE 33217,176 2025 2030 END