From Wikipedia, the free encyclopedia Sharp PC-1403
Sharp PC-1403
Sharp PC-1403 • Memory: 8KB RAM (6863 bytes available), 72KB ROM;
32KB RAM in PC-1403H model
• Display: Monochrome LCD 1 line with 24 5×7
characters
• Power: 6V DC - 2 × CR2032, 0.03W
• Connector (11 pins) for external devices
Sharp PC-1403 handheld BASIC computer • Integrated speaker (4kHz beep only)
• Contrast adjustment wheel
Type pocket computer • Software: Simple BASIC interpreter; calculator mode
Introduced 1986 Manufacturing started in 1986.
Calculator
Entry mode Infix, BASIC,
Calculator
Calculations could be performed in two modes CALulator
Display Type LCD Dot-matrix
and RUN. In the former the PC-1403 would behave like a
Display Size 24 Characters normal scientific calculator at the time with formulas en-
tered in algebraic logic or in RUN mode BASIC statements
CPU
could be entered for immediate execution and print out.
Processor CPU: Hitachi SC61860 (8 bit The later was similar to the Direct algebraic logic em-
CMOS) ployed by modern calculators.
Frequency 768kHz
Programming Programming
Programming Unstructured BASIC The programming model employed was Unstructured
language(s) BASIC for which the PC-1403 distinguished between RUN
and PROgram mode. The later being used to enter and ed-
User Memory 8 KB
it program and the former being used to execute them.
Firmware Memory 72KB
Interfaces Programming example
Here is a sample program that computes the factorial of
Ports one vendor specific
an integer number from 2 to 69. It can be called by press-
Other ing DEF F in run mode. The program is 66 bytes long.
Power supply 2 x CR2032
10 "F" ’’allows t
Power consumption 0.03W 20 INPUT "N=?";N ’’Ask for
30 LET F=1 ’’Set star
The Sharp PC-1403 was a small scientific calculator and 40 FOR I=1 TO N STEP 1 ’’counts I
pocket computer manufactured by Sharp. It was the suc- 50 LET F=F*I ’’calculat
cessor of the Sharp PC-1401, and had better display, more 60 NEXT I ’’repeats
RAM and better system software. 70 PRINT USING "##";N;"!="; USING ;F ’’print re
80 END ’’end off
Technical specifications
• CPU: Hitachi SC61860 (8 bit CMOS) 768 kHz
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From Wikipedia, the free encyclopedia Sharp PC-1403
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Categories:
• Pocket computers
• Programmable calculators
• Sharp Corporation computers
• Microcomputer stubs
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