Organization

Adapting BASIC programs to run in Apple BASIC.

Who says that Apple Basic won't do the job? Except for the
usual memory limitations (crowd 16K Star-Trek into an Apple I?)
our language is pretty comprehensive. Which translates into
"Copy anyone's basic listing for a program". The secret word

Content Type: 
Manufacturer: 
Computer Type: 

Apple BASIC

3400 frame - back Apple I - BASIC manual 1

Apple 1 basic was on cassette tape and took about 30 seconds to load.

Some of the following was in the BASIC:

  • variables, numeric simple variable, A,N, A1, T6

Content Type: 
Manufacturer: 
Computer Type: 

Operations Manual

Apple I - Operations Manual cover Apple I - New Operations Manual cover

The manual consists of about 12 pages plus the warranty page.

The Apple 1 computer is a complete microprocessor system, consisting of a 6502 microprocessor and support hardware, integral video display, dynamic memory and refresh hardware and fully regulated power supplies. It has a resident system monitor software, enabling the user to display, write, examine, debug and run programs.

Content Type: 
Manufacturer: 
Computer Type: 

Teletype Pinouts

[code]
APPLE COMPUTER

TIM APPLE I
6530-004 6502
33 D0 33
32 | 32
31 | 31
30 | 30

Content Type: 
Manufacturer: 
Computer Type: 

Teletype connection schematic

Apple I - teletype schematic

Content Type: 
Manufacturer: 
Computer Type: 

Connecting a Teletype

Computer Data Systems, Inc.

TIM BYTES THE APPLE:

For those of you that would like to have hard copy capability

and much better control over program development on the Apple 1,

Content Type: 
Manufacturer: 
Computer Type: 

SWTP PR-40 Printer Interface Schematics

Apple I - printer interface schematic

The above was the most commonly used schematic for connecting a printer. It allowed the user to switch between two outputs: to the video monitor, and to both the video monitor and the printer.

Content Type: 
Manufacturer: 
Computer Type: 

SWTPC PR-40 Printer

Apple I - printer

Steve Jobs wrote an article about interfacing an Apple 1 to the SWTPC PR-40 printer in the October 1976 issue of Interface Age. Joe read the article, purchased and built the printer kit, and interfaced it to his Apple 1.

Content Type: 
Manufacturer: 
Computer Type: 

GT-6144 Advertisement

Apple I - GT-6144 Advert

Content Type: 
Manufacturer: 
Computer Type: 

GT-6144 Subroutine

SUBROUTINE TO SET UP GRAPHICS PIA AND CLEAR SCREEN

[code]
TO ENTER:
IN MACHINE LANGUAGE- JSR $0300
(20 00 03)

IN BASIC - CALL 768

0300- 48 PHA

Content Type: 
Manufacturer: 
Computer Type: 

Pages

Subscribe to Organization