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Download 101 Apple Computer Programming Tips and Tricks by Fred White PDF

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Spelling bee? Cave adventure? No matter what kind of fun you are preparing, you'lI need a way to keep score. Here's how. The wealthy English duke has just been killed in our little mystery game. In lines 10 through 160 of our program listing, below, you play the game, attempting to find out whodunit. The trick here is in the scorekeeping. lf you guessed correctly in response to the queryin line160, at line170 thecomputer will give you credit by adding one point to your score stored in memory location R.

This set of instructions causes your APPLE computer to make an interesting rapid continuous clock-style tick with a beep every second. Adjust the beep time by increasing or decreasing the number eight in line 20. Program Listing 10 20 30 40 50 60 70 80 90 HOM E FOR T=l TO 8 FOR L=l TO 2 BZ=PEEK(-16336) NEXT L FOR L=l TO 100:NEXT L NEXT T PRINT CHR$(7) GOTO 20 / 19 Traditional Dice Roll Here's a simple, brief way to roll and display results for two dice. Lines 100-110 get a random number between 1 and 6 and store it in A.

The filter factor is used in making that correction. The photographer sets the exposure meter for the speed of the film in use without a filter. Then, he modifies the camera settings indicated by the meter. For instance, suppose the factor is 2 and the setting indicated by the meter is 1/125 second at f/11. The photographer opens the lens by one full fistop to f/8. This computer program displays the proper fIstop 44 correction when factor is known or factor when correction is known. 5 THEN V$="l 1/3" IF X=3 THEN V$=" 1 2/3" IF X=4 THEN V$="2" IF X=5 THEN V$="2 1/3" IF X=6 THEN V$=" 2 2/3" IF X=8 THEN V$="3" IF X=10 THEN V$="3 1/3" IF X=12 THEN V$=" 3 2/3" IF X=16 THEN V$="4" PRINT "YOU CHANGE THE F/STOP BY +" ; V$ 560 PRINT:GOTO 410 460 470 480 490 500 510 520 530 540 550 32 Entering: Letter Stop One way to conclude an input series, and get out of its entry loop, is to use a key letter to promote a jump.

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