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Gene!

The program presented below will play a game called of High/Low for the HP-65. It was written by Greg Merriman and appeared in the V2N3P40 issue of PPC Journal (March 1975). Thanks to Greg wherever he is today!

It's basically a high-low type of game, but it's small enough that you might even key it into an HP-65 even if its card reader doesn't work any longer.

**Instructions: **

1) Load the program into the calculator and change back to RUN mode.

2) Enter the initial decimal seed and press A.

3) Enter your guess for the number and press B.

4) The display now shows the guess as a negative number if you were too
low or a positive number if you were too high.

5) Continue guessing until you find the secret number. When you do, the
number of guesses you took will be displayed.

6) For a new game, press C.

Line Instruction Keycode 01 LBL 23 02 A 11 03 9 09 04 9 09 05 8 08 06 STO 5 33 05 07 g RDN 35 08 08 STO 4 33 04 09 LBL 23 10 1 01 11 2 02 12 9 09 13 RCL 4 34 04 14 * 71 15 f-1 32 16 INT 83 17 RCL 5 34 05 18 * 71 19 1 01 20 + 61 21 f 31 22 INT 83 23 1 01 24 0 00 25 0 00 26 g X < = Y 35 22 27 GTO 22 28 D 14 29 LBL 23 30 C 13 31 g LSTx 35 00 32 f-1 32 33 INT 83 34 STO 4 33 04 35 GTO 22 36 1 01 37 LBL 23 38 B 12 39 1 01 40 STO 33 41 + 61 42 7 07 43 g RDN 35 08 44 RCL 6 34 06 45 g X <> Y 35 07 46 g X = Y 35 23 47 RCL 7 34 07 48 RTN 24 49 g X < = Y 35 22 50 CHS 42 51 g NOP 35 01 52 RTN 24 53 LBL 23 54 D 14 55 g RDN 35 08 56 STO 6 33 06 57 f 31 58 STK 42 59 STO 7 33 07 60 RTN 24

That's it!

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