Organization

Apple Pugetsound Group

April 4, 1978

Dear Joe:

Sorry to be so long between letters, but I just don't have all
that much time to write. I shipped your cassettes UPS last nite.

Results

Apple I - Schawlow Results

Arthur L. Schawlow - Print Large Characters

PROGRAM TO PRINT LARGE CHARACTERS (SIX PER LINE)

This program accepts up to six characters per line, in as many as 18
lines, and displays them on the TV monitor as large block characters.

Cryptogram Source Code

CRYPTOGRAM AID

5 PRINT "INPUT CRYPTOGRAM"
7 FOR N=640 TO 949: POKE N,160: NEXT N
10 PRINT: PRINT: C=1:L=0
20 CALL 0: T-PEEK (14)
30 POKE (639+C+40*L),T
40 IF T=255 THEN 100

Cryptogram

COMMENTS ON "CRYPTOGRAM AID" PROGRAM

7 Clears 309 bytes of "pokespace" by writing in ASCII
"space".

10 Initialize character count(C) & line count(L).

20 Call keyboard routine: pick up character from "mailbox"

Audible Apple Code

[code]
300 A4 16 LDY $16
302 A5 15 LDA $15
304 85 17 STA $17
306 A2 FF LDX #$FF
308 88 DEY
309 D0 05 BNE $0310

The Audible Apple

The three machine language subroutines listed here
produce audio signals at the output normally used to write
to tape from the cassette interface. For the best effect,
try connecting the output to the input of an audio amplifier.

Frank Emens' Software

Dear Joe,
You came pretty close in the comment you made on the
back of the last newsletter---I haven'tsold the Apple-1
yet, but I will before much longer. About the first of the
year, I got an Apple-2 and have spent most of the time get-

ACSII Hex equivalents

Program to print ASCII HEX equivalents of all printing characters

44:50 07

0044: 38
9F0R

09F0: 20
0750- A2 A0 LDX #$A0

Page 3

DATAPOINT CORPORATION

*NODE? 1 (A circuit input)
*STATE? 1 (logic "1".)
*NODE? 2 (Circuit Input.)
*STATE? 1 (Logic "1")
*NODE? 0 (Scope assignment of logic levels)
*FUNCTION? 0 (Analyze. Program loops until circuit is stable; prints

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