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C > CASIO  > PB-1000   


Casio
PB-1000

The Casio PB-1000 was an original, well designed and powerful pocket computer for its time.

On top of its standard QWERTY keyboard, a row of sensitive keys allowed fast scientific calculations, menus access and text editing. The 4-line LCD display also had 16 sensitive areas.

The computer could be programmed either in Basic or Assembly language. The C61 Basic interpreter, based on Japan Industrial Standard BASIC, had a wide range of built-in mathematic, trigonometric and statistic functions. Assembly programs had to be typed by using the built-in editor then compiled. The user's manual gave little information about CPU instructions and, oddly enough, Casio and it's distributors never released a full description of the whole CPU's instructions set, although Casio published an incomplete "Technical Reference Manual".

The processor was an Hitachi HDS61700. It contained a small amount of ROM and RAM, as well memory management and I/O circuitry. The memory was managed like a virtual disk. Several Basic or Assembly programs as well as ASCII text could be stored together in the same RAM area.

Two extensions were released for the PB-1000, the FA-7 Serial, Parallel and tape recorder interface, and the rare MD-100 3.5" floppy drive unit.

The PB-1000 was followed by the PB-2000 which lost the lift up display but had the unique feature of being programmable in ANSI C language.

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Hi, I bought my PB 1000 in 1986 and used it at school and later in the job. It was and is still an awful calculater/computer. It was the first one I owned. I''m still owning it. And sometimes I use it.

          
Wednesday 15th June 2022
Juergen Leibner (Germany)

Hi I am a process engineer, during university studies I had a pb 200 and then axpb 1000. I wrote many incredible calculation codes and I suppose I surclassed all owners of hp48. The pb 1000 was really well built and optimized after the experience of the previous casio pocket pc., I really loved it

          
Sunday 2nd January 2022
Gabriele Ruffini (Italia)

I really liked my PB-1000. I loved to make programs on the calculators. And the PB-1000 was the only one that you could program in assembly. I bought it in them middle of the 80''s and have it still with the disk drive MD-100. And still working!
One of the best calculators ever made! :)

          
Tuesday 4th November 2014
Per Wallgren (Sweden)

 

NAME  PB-1000
MANUFACTURER  Casio
ORIGIN  Japan
YEAR  1987
BUILT IN SOFTWARE / GAMES  C61 Basic interpreter, Assembler, File Manager, Editor
CONTROLLERS  64 calculator keys + 13 sensitive keys + 16 LCD sensitive areas
CPU  CMOS, Hitachi HD61700 8-bit
SPEED  Unknown
CO-PROCESSOR  None
RAM  8 KB + optional 32 KB RAM card
ROM  32 KB + 3 KB included into the CPU
TEXT MODES  32 char. x 4 lines (32 x 8 virtual screen)
GRAPHIC MODES  193 x 32 pixels
COLORS  Grey LCD
SOUND  Buzzer
SIZE / WEIGHT  18.7 (W) x 9.7 (H) x 2.4 (D) cm / 390g with batteries
I/O PORTS  Expansion connector
POWER SUPPLY  3 x AA batteries
PERIPHERALS  MD-100 3.5'' FDD unit, FA-7 tape interface (both devices include a printer port and an RS-232 interface)
PRICE  Unknown




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