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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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I really fell in love with my PB-1000. Bought it some time in the early 80''s. Used it all the time in university. Wrote countless programs on it for different purposes all the way from mathematics, physics, engineering and digital communications, to games, word processing and graphics. Still works!

          
Saturday 2nd November 2013
ElCrack! (Ecuador)

This was my first real Computer acquired at high school in 1989- 1995. served Extremelly well during university. Learned numerical methods with it, did Vectors and matrix programs that only can be done using a PC at its time. Still keep it but in a storage overseas.

          
Thursday 10th May 2012
Fermin (Houston USA)

Bought one ca. 1987, used it through 1992. Helped me get through University, used it to solve fifth degree equations, generate tables, solve defined integrals, as a notepad, icebreaker with girls and after finishing formal schooling as an alarm clock. Died on me the day I graduated as a MSC. I''ve had a good 20 or so computers, handhelds, iPads, etc. since 1981, this has been the most admired and most useful machine I''ve ever possessed!

          
Thursday 12th January 2012
Luis A. Molina (Ecuador)

 

NAME  PB-1000
MANUFACTURER  Casio
TYPE  Pocket
ORIGIN  Japan
YEAR  1987
BUILT IN LANGUAGE  C61 Basic interpreter, Assembler, File Manager, Editor
KEYBOARD  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
COLOrsc  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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