page-1983-101-timex-sinclair-programming-tricks

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600 PRINT.610 PRINT "****************"620 PRINT R;" IS THE NUMBER"630 PRINT "****************"640 PRINT "YOU GOT IT IN ";T;" TRIES"700 IF INKEY$="" THEN GOTO 700710 CLEAR720 CLS730 GOTO <strong>101</strong>1 Code GroupsNeed some secret codes for your latest sensitivemission? How about sets of five random letters for use inMorse code practice?This program has the computer generate an endlessstring of random combinations of five letters. It won't stopuntil you press the BREAK key.Program Listing10 RAND20 LET A$="ABCDEFGHIJl
12 60-Second TimerA one-minute timer can be very handy for fun-ngames.This easy-to-use clock counts off seconds upto 60.The number of seconds counted can be changed bychanging the number 60 in line 40.The clock can be calibrated by changing the number6 in line 60. Line 60 is a time-delay loop set for approximatelyone second.Program Listing10 CLS20 PRINT30 SCROLL40 FOR T=l TO 6050 PRINT T:" SECONDS"60 FOR L=l TO 670 SCROLL80 NEXT L90 NEXT T100 PRINT "END OF TIME"13 Find Highest/LowestSuppose we have a list of people and each person hasbeen assigned a number or score. This program acceptsthe scores and sorts out the persons with the highestand lowest scores. Here's how it works.· Lines 30-130 take in the info on each person.As each person's score is entered, lines 100-120 determineif it is higher or lower than all previous scores. Ifhigher or lower, it is so noted.To complete data entry, simply press ENTER withoutdata. That will prompt the computer, at lines 140 and 150,to print the lowest score and the highest score.27
Page 3: IMEX/ SJ,NCLAIRODO zx-B'IRDGRAMMING
Page 6 and 7: FIRST EDITIONFIRST PRINTING©1983 b
Page 8 and 9: TipTable of ContentsPageIntroductio
Page 10 and 11: Gee Whiz37 Gee Whiz I: Smart Adder
Page 12 and 13: 97 Draw A Line98 Box Message99 Boxe
Page 14 and 15: The 101 programs in this handbook c
Page 16 and 17: author's training in writing BASIC-
Page 19 and 20: Fun & Games
Page 21 and 22: Program Listing10 RAND100 LET A=INT
Page 23 and 24: 140 IF R
Page 25 and 26: 130 PRINT •BACKWARD:•140 FOR J=
Page 27: 110 PRINT •PRESS ANY KEY TO PLAY
Page 31 and 32: 210 IF A$=•• THEN GOTO 200220 I
Page 33 and 34: convert those raw numbers to a batt
Page 35: The program here has a temporary su
Page 38 and 39: 1 Create a QuizOne of the most fasc
Page 40 and 41: line 10 for a.word. It is looking f
Page 42 and 43: program if you. don't get it right
Page 44 and 45: 90 PRINT100 PRINT "ADDRESS";TAB lO;
Page 46 and 47: 160 LET D$(7)=•sEE YOUR ANALYST"1
Page 48 and 49: 32 Sentence WriterPractice your Eng
Page 50 and 51: 160 IF GH THEN LET H=G180 GOTO 2020
Page 52 and 53: 30 PRINT A$;40 GOTO 1036 Question &
Page 55: Gee Whiz
Page 58 and 59: 38 Gee Whiz II:Three-Digit MysteryH
Page 60 and 61: 41 Gee Whiz V: SecondAlphabet Spott
Page 63: Number Crunching
Page 66 and 67: 120 LET R::R+l125 LET W=j130 LET Z=
Page 68 and 69: 10 the computer asks for a number.
Page 70 and 71: Program Listing10 PRINT •WHAT IS
Page 72 and 73: 25 INPUT Z30 IF Z=I THEN GOTO 8035
Page 74 and 75: 70 GOTO 2080 CLS90 PRINT "THE SMALL
Page 76 and 77: 60 CLS70 PRINT "THE FRACTIONAL PORT
Page 78 and 79:
30 INPUT N35 IF N>INT N THEN GOTO 5
Page 80 and 81:
Line 20 generates the numbers. Line
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Random Numbers:Distr~butionEver won
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110 PRINT "RANDOM NUMBERS TOTAL ";T
Page 87 and 88:
Money Matters
Page 89 and 90:
Shopper's FriendTake your computer
Page 91 and 92:
POST IS BEST BUYPOST UNIT=$0.08KELL
Page 93 and 94:
ending in 95 cents. For instance, a
Page 95 and 96:
100 LET D=l-0.0l*P110 LET R=W/D120
Page 97 and 98:
100 IF H>40 THEN GOTO 140110 LET W=
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Unit price is total price divided b
Page 101:
The computer generates a table of r
Page 105 and 106:
80 Screen FullFill your video scree
Page 107 and 108:
gram lines to draw and seem to move
Page 109 and 110:
Program Listing10 CLS100 FOR L=g TO
Page 111 and 112:
There are a number of ways to get t
Page 113 and 114:
140 NEXT X200 LET X=INT(63*RND}210
Page 115 and 116:
Program Listing10 LET A$=• 1120 F
Page 117 and 118:
100 FOR Y=l5 TO 25 STEP 10110 FOR X
Page 119:
101 Random Bar GraphIf you don't ha
Page 123 and 124:
Appendix A:Sinclair BASIC WordsHere
Page 125:
StatementsCLEARCLSCONTCOPYDIMDIM $F
Page 129 and 130:
ooks from ARCsoft PublishersFor the
Page 132:
101 TIMEX 1000/Sinclair ZX-81Progra
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