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

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30 PRINT A$;40 GOTO 1036 Question & AnswerHere's how to use the DATA statement, and the computer'sability to.search for data, to create a Q&A.How many days are there in a month? It's a toughquestion for grade schoolers and some extra study may bein order. Use this program.The program has the computer present the numberofa monthandthen askhow manydays are in that particularmonth.If you enter a correct answer, the computer will say so.If you enter an incorrect answer, the computer will sayyour anwer was wrong and tell the correct answer.The program runs on forever until you press theBREAK key,Program Listing10 DIM 0(12)20 RAND100 LET D(l)=31110 LET D(2)=28120 LET D(3)=31130 LET D(4)=30140 LET D(5)=31150 LET D(6)=30160 LET D(7)=31170 LET D(8)=31180 LET D(9)=30190 LET 0(10)=31200 LET 0(11)=30210 LET 0(12)=31300 LET R=INT(l3*RND}310 IF R
410 INPUT D420 CLS430 IF D=D(R} THEN GOTO 600500 PRINT nWRONGn510 GOTO 610600 PRINT nCORRECTn610 PRINT nMONTH "';R;n HAS "';D(R};n DAYS"620 PRINT630 GOTO 1051
Page 3: IMEX/ SJ,NCLAIRODO zx-B'IRDGRAMMING
Page 6 and 7: FIRST EDITIONFIRST PRINTING©1983 b
Page 8 and 9: TipTable of ContentsPageIntroductio
Page 10 and 11: Gee Whiz37 Gee Whiz I: Smart Adder
Page 12 and 13: 97 Draw A Line98 Box Message99 Boxe
Page 14 and 15: The 101 programs in this handbook c
Page 16 and 17: author's training in writing BASIC-
Page 19 and 20: Fun & Games
Page 21 and 22: Program Listing10 RAND100 LET A=INT
Page 23 and 24: 140 IF R
Page 25 and 26: 130 PRINT •BACKWARD:•140 FOR J=
Page 27 and 28: 110 PRINT •PRESS ANY KEY TO PLAY
Page 29 and 30: 12 60-Second TimerA one-minute time
Page 31 and 32: 210 IF A$=•• 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 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
Page 82 and 83: Random Numbers:Distr~butionEver won
Page 84 and 85: 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=$0.08KELL
Page 93 and 94: ending in 95 cents. For instance, a
Page 95 and 96: 100 LET D=l-0.0l*P110 LET R=W/D120
Page 97 and 98: 100 IF H>40 THEN GOTO 140110 LET W=
Page 99 and 100: Unit price is total price divided b
Page 101: The computer generates a table of r
Page 105 and 106:
80 Screen FullFill your video scree
Page 107 and 108:
gram lines to draw and seem to move
Page 109 and 110:
Program Listing10 CLS100 FOR L=g TO
Page 111 and 112:
There are a number of ways to get t
Page 113 and 114:
140 NEXT X200 LET X=INT(63*RND}210
Page 115 and 116:
Program Listing10 LET A$=• 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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