1 REM BASICODE 2 ROUTINES DOOR HENK WEVERS
2 REM NADERE INLICHTINGEN BASICODE
3 REM NOS, HOBBYSCOOP HILVERSUM  
5 PRINT CHR$(26);:WIDTH(255)
10 GOTO 1000
20 GOTO 1010
100 PRINT CHR$(26);:RETURN
110 REM
111 IF HO>51 THEN HO=51
112 IF VE>23 THEN VE=23
113 PRINT CHR$(27);"=";CHR$(VE+32);CHR$(HO+32);
115 RETURN
120 HO=PEEK(&HEF5A):VE=PEEK(&HEF5B)-&HF0
121 VE=VE*2
122 IF HO>127 THEN HO=HO-128:VE=VE+1
123 VE=VE-PEEK(&HEF62):IF VE<0 THEN VE=32+VE
124 RETURN
200 IN$=INKEY$:RETURN
210 GOSUB 200:IF IN$="" THEN 210
211 RETURN
250 PRINT CHR$(7);:RETURN
260 RV=RND(1):RETURN
270 FR=FRE(2):RETURN
300 SR$=STR$(SR)
301 Q7=LEN(SR$):IF Q7=0 THEN RETURN
302 IF RIGHT$(SR$,1)<>" " THEN 304
303 SR$=LEFT$(SR$,Q7-1):GOTO 301
304 IF LEFT$(SR$,1)<>" " THEN RETURN
305 SR$=RIGHT$(SR$,Q7-1):GOTO 301
310 Q4=SR:IF CN<>0 THEN 316
312 SR=INT(SR+.5):GOSUB 300:GOTO 330
316 Q5=SGN(SR):SR=ABS(SR):Q8=INT(SR):Q9=SR-Q8
318 FOR Q6=1 TO CN:Q9=Q9*10:NEXT Q6
320 Q9=INT(Q9+.5):SR=Q9:GOSUB 300
322 Q9$=RIGHT$("00000000000000000000"+SR$,CN)
324 IF Q8=0 AND Q9=0 THEN Q5=1
326 SR=Q8:GOSUB 300:IF Q5=-1 THEN SR$="-"+SR$
328 SR$=SR$+"."+Q9$
330 IF LEN(SR$)<=CT THEN 334
332 SR$=LEFT$("********************",CT):GOTO 340
334 SR$=RIGHT$("                    "+SR$,CT)
340 SR=Q4:RETURN
350 LPRINT SR$;:RETURN
360 LPRINT:RETURN
1000 A=500:GOTO 20
1010 GOTO 6000
1020 GOSUB 100:GOSUB 5000
1030 PRINT"         Astabiele multivibrator":PRINT
1040 GOSUB 3000:PRINT:PRINT:GOSUB 4000
1170 GOSUB 100:GOSUB 5000
1180 PRINT"  Geef de gewenste duty-cycle van de"
1190 PRINT"  uitgangsspanning op punt 3.  Deze"
1200 PRINT"  moet liggen tussen 50% en 100%."
1210 HO=3:VE=9:GOSUB 110
1220 PRINT"Duty-cycle in %         ";
1240 INPUT D
1250 IF D>0 THEN 1280
1260 PRINT"* Duty-cycle mag niet negatief zijn! *";
1270 GOTO 1210
1280 IF D>50 THEN 1310
1290 PRINT"* Duty-cycle groter dan 50% kiezen! * ";
1300 GOTO 1210
1310 IF D<100 THEN 1340
1320 PRINT"* Duty-cycle kleiner dan 100% maken! * "
1330 GOTO 1210
1340 D=D/100
1350 HO=1:VE=10:GOSUB 110
1360 FOR I=0 TO 1
1370 PRINT"                                      "
1380 NEXT
1390 PRINT"  Geef nu de gewenste uitgangs-       "
1400 PRINT"  frequentie. Deze moet liggen tussen"
1410 PRINT"  0.1 Hz en 100 kHz."
1420 HO=3:VE=16:GOSUB 110
1430 PRINT"Uitgangsfrequentie in Hz ";
1450 INPUT F
1460 IF F>.1 THEN 1520
1470 PRINT"* Frequentie hoger dan 0.1 Hz kiezen * "
1480 GOTO 1420
1490 PRINT"* Frequentie lager dan 100 Khz kiezen *"
1500 GOTO 1420
1510 GOTO 1350
1520 IF F<10 THEN C=9.999999E-06:GOTO 1560
1530 IF F<1000 THEN C=9.999999E-07:GOTO 1560
1540 IF F<100000! THEN C=9.999999E-09:GOTO 1560
1550 GOTO 1490:REM FREQUENTIE TE HOOG
1560 PRINT"                                       "
1570 FOR I=0 TO 8:PRINT"  Ok";:NEXT
1580 K1=LOG(2):K2=1/(K1*F*C)
1590 RB=K2*(1-D)
1600 RA=K2-2*RB
1610 R=RB:GOSUB 2000:RB=R1
1620 R=RA:GOSUB 2000:RA=R1
1630 GOSUB 100:GOSUB 5000:GOSUB 3000
1640 K$=""
1650 IF RA>10000 THEN R1=RA/1000:K$="kilo-"
1660 PRINT"R1=";R1;K$;"ohm"
1670 K$="":R2=RB
1680 IF RB>10000 THEN R2=RB/1000:K$="kilo-"
1690 PRINT"R2=";R2;K$;"ohm"
1700 PRINT" C=";C*1000000!;"microfarad"
1710 PRINT"Frequentie=";1/(K1*(RA+2*RB)*C);"Hz"
1720 PRINT"Duty cycle=";100*(RA+RB)/(RA+2*RB);"%";
1730 GOSUB 4000
1740 GOSUB 100:GOSUB 5000
1750 PRINT"Dit was een P2000 BASICODE programma."
1760 END
1770 :
2000 F=0:REM  NIET BUITEN BEREIK
2010 K=0:REM  EXPONENT TELLER
2020 IF R<.1 THEN F=1:REM  TE KLEIN
2030 IF R>1E+07 THEN F=1:REM  TE GROOT
2040 R1=R
2050 REM  ZOEK WAARDE IN TABEL
2060 IF R1<=1 THEN 2100
2070 R1=R1/10:REM  SHUIF KOMMA
2080 K=K+1:REM  TEL VERSCHUIVINGEN
2090 GOTO 2060:REM  NOG BINNEN BEREIK?
2100 B=1:REM  POINTER NAAR ARRAY-BEGIN
2110 E=25:REM  POINTER NAAR ARRAY-EINDE
2120 M=INT((B+E)/2):REM  POINTER MIDDEN IN BRUIKBAAR VAK
2130 IF M=B THEN 2170
2140 IF R1=A(M)THEN 2200
2150 IF R1<A(M)THEN E=M:GOTO 2120
2160 IF R1>A(M)THEN B=M:GOTO 2120
2170 IF(R1-A(B))<(A(E)-R1)THEN R1=A(B):GOTO 2190
2180 R1=A(E)
2190 REM  NEEM DICHTSTBIJZIJNDE
2200 R1=R1*10^K
2210 IF R1>10 THEN R1=INT(R1+.5)
2220 RETURN
2230 :
3000 PRINT"           +-----------------+"
3010 PRINT"           !                 !"
3020 PRINT" +5V-+-----8                 3---OUTPUT"
3030 PRINT"     !     !       555       !"
3040 PRINT"     +-----4                 1---+--GND"
3050 PRINT"     !     !                 !   !"
3060 PRINT"     !     +--7--------6--2--+   !"
3070 PRINT"     !        !        !  !      !"
3080 PRINT"     ! +----+ ! +----+ !  !  !!C !"
3090 PRINT"     +-! R1 !-+-! R2 !-+--+--!!--+"
3100 PRINT"       +----+   +----+       !!"
3110 RETURN
3120 :
4000 HO=15:VE=23:GOSUB 110:PRINT"\ENTER\...";:GOSUB 210
4010 RETURN
4020 :
5000 PRINT:PRINT:PRINT:PRINT:RETURN
6000 DIM A(25)
6010 FOR I=1 TO 25
6020 READ A(I)
6030 NEXT I
6040 GOSUB 100:GOSUB 5000
6050 PRINT" - - -  DE ELECTRONICA ONTWERPER  - - -"
6060 PRINT
6070 PRINT"   ****    ***    ***    ***    ***"
6080 PRINT"   *   *  *   *  *   *  *   *  *   *"
6090 PRINT"   *   *     *   *   *  *   *  *   *"
6100 PRINT"   ****     *    *   *  *   *  *   *"
6110 PRINT"   *       *     *   *  *   *  *   *"
6120 PRINT"   *      *      *   *  *   *  *   *"
6130 PRINT"   *      *****   ***    ***    ***"
6140 PRINT
6150 PRINT"Astabiele multivibrator met de NE-555."
6160 PRINT:PRINT"Dit programma berekent de weerstanden"
6170 PRINT:PRINT"en de condensator in het volgende schema"
6180 GOSUB 4000:GOTO 1020
6190 :
30000 REM  STANDAARD WAARDEN
30010 DATA .1,.11,.12,.13,.15,.16,.18,.2
30020 DATA .22,.24,.27,.3,.33,.36,.39,.43
30030 DATA .47,.51,.56,.62,.68,.75,.82,.91,1