Welcome to The Pocket Computer Museum. Although our primary focus is on
pocket and portable computers made in the late 1970's to the early 1990's, we
are also building a collection and database of any portable "Hi-Tech" device
made for PROGRAMMABLE use during the same period. We are also attempting to
provide information as to where or how to obtain supplies for these mostly
unsupported discontinued devices.
mailto:gdkss@hotmail.com
Links To other Sites of
interest:
Toby Reed is still maintaining his wonderful web
page providing valuable information on the Dauphin DTR-1. Check it out at
the Unofficial Dauphin DTR-1 Web
Page ! I don't want to advertise for commercial sites,
but a few commercial entities have helped a great deal and I want to mention
them. First the people at Allstate
Insurance have been more than helpful. They have offered much
assistance. I have never dealt with them in the past. However, they
have given me excellent help from the get go! Another is GDK Electronics, the
owner, Gerald Krug, has been helpful in locating parts and stuff. If
you have an obscure part that needs replacing, give him a try.
The Mind Machine Web Museum is an
interesting place to see a museum of mostly large scale computers.
I'd
like to take a bit of space and thank the many generous people who have
contributed to the museum at their own expense. Many of them have provided
much information and expertise. They are: Toby
Reed of the Unofficial Dauphin DTR-1 Web Page, Pete Graylish, Michael
Schuster, William A. Childress, Richard
Johnson, Irene Loy and Fred
Heald. My hat's off to you all! Without the support,
donations and encouragement of these people, the Museum would not be where it is
today!
Manufacturer | Model | Language/OS | Standard RAM | Donated by* see note | Market Rate Hi/Lo CAD\$ |
Apple | Apple IIc | Apple DOS | 64kb | Irene Loy | 40/20 |
MP 100 | Newton O/S 1.0 | ||||
MP 110 | Newton O/S 1.3 | 1MB | |||
MP 120/130 | Newton O/S 2.0 | 2MB(?) | |||
MP 2000/2100 | Newton O/S 2.0 | 5MB | 700USD | ||
Atari | Portfolio | MS DOS | 150/25 | ||
Casio | FX 702P | Basic | 1KB | James Hung(D) Irene Loy(D) |
30/0 |
FX 730P | Basic | 8KB | James Hung | 30/0 | |
FX 790 | Basic | 30/0 | |||
FX 795 | 30/0 | ||||
FX 801 | Basic | 45/0 | |||
FX 802P | Basic | NA | |||
FX 850P | Basic | 8KB | Chris Choy | 10 | |
PB 700 | Basic | 2KB | James Hung | 50/10 | |
Citizen | PN 48 | Printer | Chris Choy | 120/80 | |
Dauphin | DTR-1 | MS DOS/Windows | Chris Choy | 280/200 | |
DTR-2 | MS DOS/Windows | 2200USD New | |||
Fujitsu | Stylistic 500 | MS DOS/Windows | 4MB | 405/280USD | |
Stylistic 1000 | MS DOS/Windows | 8MB | Jon Webb(A) | 750/625USD | |
Grid | Compass | Grid/MS DOS | 640kb+ | AST Computers | NA |
Hewlett Packard | HP 41B | NA | |||
HP 71 | James Hung | 20/0 | |||
HP 75C | BASIC | 16KB | Kurt Olsen(D) | NA | |
HP 85A | NA | ||||
NEC | Prospeed 486SX/C | MS DOS/Windows | 4MB | James Hung | NA |
Other Interesting Stuff | Casio CP-9 Copy Pen | None | Chris Choy | NA | |
Sharp | Z-HC1 Handy Copier | None | Rene DeJong | NA | |
Quadmark | Passport Portable copier | None | Jim Haun(A) | NA | |
Seiko | LVD TV Watch | None | Chris Choy | NA | |
Seiko | Memo Diary Watch | None | Pete Graylish | NA | |
Panasonic | RL H1400 | SNAP | 4KB | Chris Choy | 11/0 |
RL H1800 | SNAP | 8KB | Chris Choy | 11/11 | |
Extension Tray | Allstate Insurance | NA | |||
RL-P1004A | Printer and Cassette Interface | Chris Choy | 10/10 | ||
Sharp | PC 1211 | Basic | 1KB | 20/10 | |
PC 1245 | Basic | 2KB | NA | ||
PC 1246 | Basic | 2KB | James Hung | 15/0 | |
PC 1247 | Basic | 4KB | James Hung(P) | 15/0 | |
PC 1251 | NA | ||||
PC 1360 | Basic | ||||
PC 1500 | Basic | 2KB | Chris Choy(D)/James Hung(P) | 100/10 | |
PC 1600 | Basic | Steve Carlozzi - SMC Electronics(P) | 120/15 | ||
PC E200 | NA | ||||
PC E500 | NA | ||||
PC E500S | NA | ||||
PC V550 | NA | ||||
PC 3000/3100 | MS DOS 3.30 | 1MB/2MB | Rene DeJong(D) Mike Stute(A) |
279/150 | |
OZ 8000 | Organizer with BASIC Card | 64k | Steve Carlozzi - SMC Electronics(P) | 80/30 | |
CE 122 | Dot Matrix Printer and Cassette Interface | James Hung | 15/15 | ||
CE 140 | Colour Printer and Cassette Interface | Chris Choy | 30/30 | ||
CE 150 | Printer/Plotter and Cassette Interface | Chris Choy | 50/10 | ||
Sinclair | ZX81 | Basic | 16KB | Erick Adam(A) | 5/0 |
Tandy | PC 1 | Basic | Michael Schuster(D) James Moy(A) |
25/5 | |
PC 2 | Basic | 2KB | Fred Heald(D) Chris Choy |
45/0 | |
PC 3 | NA | ||||
PC 4 | Basic | 1.5kb | Gerald Krug | NA | |
PC 5 | NA | ||||
PC 6 | Basic | 8K | James Hung | NA | |
PC 7 | Basic | 1.5KB | Richard Johnson(D) | 25/0 | |
PC 8 | NA | ||||
Tandy 100 | 200/35 | ||||
Tandy 200 | 140/10 | ||||
PC 1 Printer | Printer and Cassette interface | James Moy(A) | 10/10 | ||
PC 2 Printer | Printer and Cassette interface | Fred Heald(D) Dave Bengtson(P) |
30/0 | ||
PC3 Printer | Printer and cassette interface | Chris Choy | 15/0 | ||
PC4 Printer | Printer for PC4/6 and Casio FX-702/730 series Pocket Computers | Thermal 20Chars/line 1 line second | James Hung | NA | |
PC4 Cassette Interface | Cassette Interface for PC4/6 and Casio FX-702/730 series pocket computers | James Hung | NA | Texas Instruments | TI 74 Basicalc | Basic | 8KB | Chris Choy | 115/55 |
TI Compact Computer 40 | Basic | 8KB | NA |
From "Programming languages: History and fundamentals" by Jean E. Sammet.
Gates and Allen then ported Basic to other various platforms and moved back to their hometown of Seattle where they had attended grade school together. It was at this time that the Microsoft Corporation began it's reign in the PC world. By the late 70's, BASIC had been ported to platforms such as the Apple, Commodore and Atari computers and now it was time for Bill Gates's DOS which came with a Basic interpreter. The IBM-DOS version of this interpreter became known as BASICA, and at the time IBM was in major competition with clones so it was setup to require the BIOS distributed with IBM computers. The version distributed with MS-DOS was GW-BASIC and ran on any machine that could run DOS. There were no differences between BASIC-A and GW-BASIC which seems to make IBM's idea useless.
Microsoft realized just how popular their BASIC interpreter was and decided to distribute a compiler so users could code programs that ran without an interpreter. QuickBasic was the solution Microsoft came up with. It was distributed on through the years until version 4.5. At this time Microsoft decided to release a product with more kick and started distributing PDS BASIC (Professional Development System) and ended it with version 7.1 (Also called QuickBasic Extended), PDS was a short lived idea and was not followed through to its true capabilities. [Though it was an improvement over QB4.5]. Microsoft got hooked on GUI's and started Visual Basic both a DOS and WIN version. The DOS version was ended at 1.0 with a professional update, Differences between VB for DOS and QB are not as much as one might think, in fact VB still compiles QB4.5 code and the professional edition will compile PDS7.1 Code. One last thing: PDS will compile to true OS/2 Code, VB-DOS Pro/std and QB4.5 will not.
Somewhere in the midst of all this a gentleman named Robert S. Zale had realized more of the Potential Basic was capable of and designed his own Compiler. Borland Inc. snatched this up and distributed it as TurboBasic, but Mr. Zale was soon to distribute his product on his own. It is now called PowerBasic and is up to version 3.1. PowerBasic is one of the more Powerful Compilers on the market and adds the idea of unsigned Variables along with Inline Assembly Language Code and several other nice additions to the Basic language. PB Inc. has also announced they will distribute an OS/2 version of PB and possibly a windows version, but claim they won't abandon their DOS users.
Definition Below by GDK,REJECTED by WIKIPEDIA.ORG
http://en.wikipedia.org/wiki/Tiny_Basic
"Tiny BASIC is a set of computer tools that started the software writing (programming) business. Any software written in Tiny basic language could be copyrighted. Books were written that contained programs that are still in use today because the electronic means used to execute,(run) those programs hasn't changed at all. Few if any programmers actually copyrighted their software in those days but those that did were true visionaries considering the fact that computers are a large part of life today."
ISBN
0201157128
ISBN 0471810878
X3.60-1978
)
X3.113-1987
)
ISO 6373:1984 Data processing -
Programming languages - Minimal BASIC
)
ISO/IEC 10279:1991 Information
technology - Programming languages - Full BASIC
) Code of the "space" character is $00.
Code of the "space" character is $00. -------------------------------------------------------------------------------- BASIC tokens $80 SIN $90 LEN( $A0 FOR $B0 VAC $C0 DEFM $81 COS $91 VAL( $A1 NEXT $B1 SET $C1 SAVE $82 TAN $92 MID( $A2 GOTO $B2 PUT $C2 LOAD $83 ASN $93 KEY $A3 GOSUB $B3 GET $C3 VER $84 ACS $94 CSR $A4 RETURN $B4 $C4 LIST $85 ATN $95 TO $A5 IF $B5 $C5 RUN $86 LOG $96 STEP $A6 PRINT $B6 $C6 CLEAR $87 LN $97 THEN $A7 INPUT $B7 $C7 $88 EXP $98 $A8 MODE $B8 $C8 $89 SQR $99 $A9 STOP $B9 $C9 $8A INT $9A $AA END $BA $CA $8B FRAC $9B $AB $BB $CB $8C ABS $9C $AC $BC $CC $8D SGN $9D $AD $BD $CD $8E RND( $9E $AE $BE $CE $8F RAN# $9F $AF $BF $CF The rounding function RND(x,y) isn't documented in the manual, but seems to work. -------------------------------------------------------------------------------- Internal data representation Each variable (except the string variable $) occupies 8 bytes (i.e. 16 4-bit words) of RAM. Data are stored with least significant word first (i.e. at lower memory address). Special case Value of 00 00 00 00 00 00 00 00 represents both numerical 0 and an empty string. The VAC command initializes all variables with this value. Both of the following statements write this value to the A or A$ variable. A = 0 A$ = "" String variables A string variable can hold up to 7 characters. First 7 bytes (i.e. 14 4-bit words) hold the character codes. Spare locations are padded with 00. 15-th word is not used and contains 0. The last (16-th) word contains the length of the string (non-zero). This distinguishes the string from the numerical variable, where the last word contains 0. Examples: A$ = "ABMN" 02 12 C2 D2 00 00 00 04 A$ = "1234567" 11 21 31 41 51 61 71 07 Numerical variables Numerical values are stored in packed decimal floating point format. First two 4-bit words contain the exponent in range 00 to 99, the least significant digit first. Third 4-bit word contains signs of the mantissa and the exponent: 0 - mantissa positive, exponent negative 1 - mantissa positive, exponent positive 5 - mantissa negative, exponent negative 6 - mantissa negative, exponent positive Next twelve 4-bit words contain the mantissa in range 1.00000000000 to 9.99999999999, the least significant digit first. The last (16-th) 4-bit word contains 0 to denote the numerical variable (as opposed to the string, where this value is non-zero). Examples: A = 1 00 10 00 00 00 00 00 10 (1.00000000000E00) A = -1 00 60 00 00 00 00 00 10 (-1.00000000000E00) A = 100 20 10 00 00 00 00 00 10 (1.00000000000E02) A = -100 20 60 00 00 00 00 00 10 (-1.00000000000E02) A = PI 00 10 63 56 29 51 41 30 (3.14159265360E00) A = -PI 00 60 63 56 29 51 41 30 (-3.14159265360E00) A = 0.01 89 00 00 00 00 00 00 10 (1.00000000000E-02) A = -0.01 89 50 00 00 00 00 00 10 (-1.00000000000E-02) A = 1/3 99 03 33 33 33 33 33 30 (3.33333333333E-01) A = -1/3 99 53 33 33 33 33 33 30 (-3.33333333333E-01) Special string variable $ The string variable $ can hold up to 30 characters. The string stored in the memory is preceded by string length, and terminated by the $FF end marker. Example: $ = "ABCDEFG" 70 02 12 22 32 42 52 62 FF -------------------------------------------------------------------------------- BASIC program structure BASIC line begins with a line number stored in 2 bytes (four 4-bit words) in packed decimal format, ends with an end marker $FF. BASIC keywords are stored as single byte tokens, numeric values as strings of characters, colons used as statements separators as $FE. Example: 1234 FOR I=1 TO 49 STEP 1: NEXT I 43 21 0A 82 C0 11 59 41 91 69 11 EF 1A 82 FF FOR stack Each time a FOR statement is executed, a FOR control structure described below is pushed on the stack. The stack entry is freed by marking it with an $F when the loop is terminated. Sacrifing a word of the stack entry for a free/occupied marker makes a stack pointer superfluous. The stack will be scanned for the first free/used location instead. 2 words TO value exponent 1 word TO value signs 10 words TO value mantissa 2 words index of the control variable (00 = variable A, 10 = variable B and so on) 1 word F - free entry, 2 - occupied entry 2 words STEP value exponent 1 word STEP value signs 10 words STEP value mantissa 3 words address of the first character after the FOR statement, it's the place where the NEXT iteration loop resumes execution Example: 1234 FOR I=1 TO 49 STEP 1: NEXT I 10 TO value = 4.90000000E01 1 mantissa and exponent positive 0000000094 80 index of the I variable 2 denotes an occupied entry 00 STEP value = 1.0000000E00 1 mantissa and exponent positive 0000000001 662 points to the colon after the STEP 1 statement GOSUB stack Executing a GOSUB statement pushes a 4-word structure described below on the GOSUB stack. RETURN frees the top stack location by marking it with a $F word. The concept doesn't use any stack pointer either, similar to the way the FOR stack is implemented. 3 words address of the first character after the GOSUB statement (the RETURN point) 1 word F - free entry, 3 - occupied entry -------------------------------------------------------------------------------- Memory map $0000-$007F 128 words general purpose buffer $0080-$00FF 128 words general purpose buffer $0100-$010F 16 words variable ANS $0110-$011F 16 words RAN# seed, initial value 0.43429448190 $0132-$0133 2 words data sent to the printer $0140-$01BF 128 words FOR stack, holds 4 entries, grows upwards $01C0-$01DF 32 words GOSUB stack, holds 8 entries, grows upwards $01E0-$021F 64 words the special string variable $ $0220-$0E5F 3136 words BASIC programs $0E60-$0E6F 16 words variable Z $0E70-$0E7F 16 words variable Y . . . . . . . . . $0FD0-$0FDF 16 words variable C $0FE0-$0FEF 16 words variable B $0FF0-$0FFF 16 words variable A -------------------------------------------------------------------------------- File format A file consists of a name segment followed by one or more data segments. File name segment A name segment begins with a byte $Dx (file created with SAVE), $Ex (file created with PUT), or $Fx (file created with SAVE A), where x is the file name length (up to 8 characters), or $F for a file without a name. Next 8 bytes contain the file name characters. Last 2 bytes contain the first line number of the BASIC program stored with SAVE. Data segments A data segment begins with a $02 byte, ends with a $F0 byte (when it is the last segment), or a $F1 byte (when more data segments will follow). The count of the data bytes between these pair of characters cannot exceed 63, because the contents of the segment is loaded to the 64-byte buffer at the address $0000. This limit doesn't apply to files saved with SAVE A, and they contain only a single data segment. A BASIC program consists of a list of BASIC lines. When the file was created with SAVE A each program is followed with a $E0 byte. An empty program is stored as $E0 alone. File stored with PUT consists of a list of variables separated by $FF bytes. No variable names are stored. Examples: 1. BASIC Program stored with SAVE "PROG" File name segment: $D4 $2F $31 $2E $26 $07 $FF $10 $FF $10 $00 Data segment: $02 $10 $00 $A0 $28 $0C $11 $95 $11 $10 $FF 10 FOR I=1 TO 9 $20 $00 $A6 $28 $FF 20 PRINT I $30 $00 $A1 $28 $FF 30 NEXT I $F0 2. Variable $ and a numeric variable stored with PUT "*-+" $,A File name segment: $E3 $03 $02 $01 $07 $09 $5D $20 $FF $00 $F8 Data segment: $02 $0D $11 $12 $13 $14 $15 $16 $17 $="1234567890ABC" $18 $19 $10 $20 $21 $22 $FF $00 $01 $00 $00 $00 $00 $00 $00 $00 $01 $00 $00 $00 $00 $00 $00 $FF $00 $01 $36 $65 $92 $15 $14 $03 A=3.14159265360 $F0 3. BASIC Programs stored with SAVE A "*" File name segment: $F1 $03 $07 $FF $00 $00 $00 $00 $07 $00 $68 Data segment: $02 $01 $00 $A6 $FF $E0 P0: 1 PRINT $10 $00 $A2 $11 $10 $FF $E0 P1: 10 GOTO 10 $E0 $E0 $E0 $E0 $E0 $E0 $E0 $E0 $F0 http://www.pisi.com.pl/piotr433/index.htm http://pocket.free.fr/html/casio/pb-100_e.html http://pocket.free.fr/ http://en.wikipedia.org/wiki/Intel_8080 Computer XIII. The Transistor and Integrated Circuits Transform Computing In 1948, at Bell Telephone Laboratories, American physicists Walter Houser Brattain, John Bardeen, and William Bradford Shockley developed the transistor, a device that can act as an electric switch. The transistor had a tremendous impact on computer design, replacing costly, energy-inefficient, and unreliable vacuum tubes. In the late 1960s integrated circuits (tiny transistors and other electrical components arranged on a single chip of silicon) replaced individual transistors in computers. Integrated circuits resulted from the simultaneous, independent work of Jack Kilby at Texas Instruments and Robert Noyce of the Fairchild Semiconductor Corporation in the late 1950s. As integrated circuits became miniaturized, more components could be designed into a single computer circuit. In the 1970s refinements in integrated circuit technology led to the development of the modern microprocessor, integrated circuits that contained thousands of transistors. Modern microprocessors can contain more than 40 million transistors. Manufacturers used integrated circuit technology to build smaller and cheaper computers. The first of these so-called personal computers (PCs)—the Altair 8800—appeared in 1975, sold by Micro Instrumentation Telemetry Systems (MITS). The Altair used an 8-bit Intel 8080 microprocessor, had 256 bytes of RAM, received input through switches on the front panel, and displayed output on rows of light-emitting diodes (LEDs). Refinements in the PC continued with the inclusion of video displays, better storage devices, and CPUs with more computational abilities. Graphical user interfaces were first designed by the Xerox Corporation, then later used successfully by Apple Computer, Inc.. Today the development of sophisticated operating systems such as Windows, the Mac OS, and Linux enables computer users to run programs and manipulate data in ways that were unimaginable in the mid-20th century. Several researchers claim the “record” for the largest single calculation ever performed. One large single calculation was accomplished by physicists at IBM in 1995. They solved one million trillion mathematical subproblems by continuously running 448 computers for two years. Their analysis demonstrated the existence of a previously hypothetical subatomic particle called a glueball. Japan, Italy, and the United States are collaborating to develop new supercomputers that will run these types of calculations 100 times faster. In 1996 IBM challenged Garry Kasparov, the reigning world chess champion, to a chess match with a supercomputer called Deep Blue. The computer had the ability to compute more than 100 million chess positions per second. In a 1997 rematch Deep Blue defeated Kasparov, becoming the first computer to win a match against a reigning world chess champion with regulation time controls. Many experts predict these types of parallel processing machines will soon surpass human chess playing ability, and some speculate that massive calculating power will one day replace intelligence. Deep Blue serves as a prototype for future computers that will be required to solve complex problems. At issue, however, is whether a computer can be developed with the ability to learn to solve problems on its own, rather than one programmed to solve a specific set of tasks. -------------------------------------------------------------------------------- http://www2.asub.arknet.edu/wade/pc-4.htm PC-4 Manual http://www.pisi.com.pl/piotr433/index.htm http://pocket.free.fr/html/casio/pb-100_e.html http://pocket.free.fr/ http://en.wikipedia.org/wiki/Intel_8080 FOR MICRO-BASIC VERSION 1.3 In June of 1976 the Southwest Technical Products Corp. newsletter contained the source code for several programs. Two were by Robert Uiterwyk, a text editor and a 4k BASIC Interpreter. At the time MITS was selling BASIC (by Micro Soft) for hundreds of dollars. SWTPC was going to try to give away its software. Many people were writing "Tiny BASIC" programs in 1976 and 1977. http://www.mixtel.pwp.blueyonder.co.uk/nascgem/nas/software/nastiny.gif TINY BASIC is a subset of Dartmouth BASIC, with a few extensions to adapt it to the microcomputer environment. http://users.telenet.be/kim1-6502/tinybasic/tbum.html#index MINOL-Tiny BASIC with Strings in 1.75K Bytes Note: This is a modified version of the original article about a Tiny BASIC interpreter for the Intel 8080/8085. It was reconstructed with help from Volume 17 of the CP/M User's Group archives. Citation: Mueller, Erik T. (1976, April). MINOL-Tiny BASIC with strings. Dr. Dobb's Journal of Computer Calisthenics and Orthodontia (pp. 9-17). Vol. 1, No. 4. Menlo Park, CA. Dear Mr. Warren: May 1, 1976 I have a Tiny BASIC program running on my Altair that I think you might be interested in. I call it MINOL. It fits in 1.75K memory. Unlike the other Tiny BASIC's, MINOL has a string-handling capability, but only single-byte, integer arithmetic and left-to-right expression evaluation. Additions to TB include CALL machine-language sub- routines, multiple statements on a line (like TBX), and optional "LET" in variable assignments. Memory locations of the form (H,L) can be used interchangably with variables, per- mitting DIM-like operations. Sincerely, Erik T. Mueller MINOL is an abbreviated form of BASIC with additional features. It has twelve statements: LET, PR, IN, GOTO, IF, CALL, END, NEW, RUN, CLEAR, LIST, and OS. Variables: A letter from A to Z, or a memory location of the form (H,L), where H is the high address (decimal), and L is the low address. H and L may be expressions. Number: An integer from 0 to 255. Expression: A series of terms separated by arithmetic operators. Terms: Numbers, variables, schars, random. Schar: A single character enclosed in single quotes. Gives the ASCII value of the character. Random: "!" (exclamation point) gives a random number between 0 and 255. (Subroutine by Jim Parker.) Arithmetic Operators: + - * / Relational Operators (not permitted in expressions): = # < ("less than") Arithmetic Evaluation: All expressions are evaluated from left to right (no precedence of operations). Statements: A statement consists of one or more substatements separated by ":" (colon), and terminated by CR. Lines up to 72 characters. Line numbers from 1 to 254. All statements may be used with or without a line number. Statements without a line number are executed immediately. Statements with line numbers are edited into the existing program. Substatements: [LET | ø] =
|
|
CPU:HD61913A01
The Casio PD-102
|
click on the picture to enlarge | ||
| ||
Technical specifications | ||
RAM (total) |
: |
2 Kb |
RAM available |
: |
1,568 bytes |
ROM |
: |
12 Kb ? |
CPU |
: |
HD61913A01 ? |
Text screen |
: |
1 line of 12 characters |
Graphic screen |
: |
No |
Sound |
: |
No |
Size |
: |
165 x 71 x 10 mm |
Weight |
: |
116 g. with batteries |
Year |
: |
198? |
Power |
: |
2 CR-2032 lithium batteries |
click on the picture to enlarge | ||
| ||
Technical specifications | ||
RAM (total) |
: |
1 Kb |
RAM available |
: |
544 bytes |
ROM |
: |
12 Kb |
CPU |
: |
HD61913A01 |
Text screen |
: |
1 line of 12 characters |
Graphic screen |
: |
No |
Sound |
: |
No |
Size |
: |
165 x 71 x 10 mm |
Weight |
: |
116 g. with batteries |
Year |
: |
1983 |
Power |
: |
2 CR-2032 lithium batteries |
|
|
|
Extensions | ||
Memory |
: |
26-3653 1 Kb |
Printer |
: |
26-3652 Thermal technology |
Storage |
: |
26-3651 External tape interface |
click on the picture to enlarge | ||
| ||
Technical specifications | ||
RAM (total) |
: |
1 / 2 Kb (0 or 1 ramcard of 1 Kb) |
RAM available |
: |
544 / 1.568 bytes |
ROM |
: |
12 Kb |
CPU |
: |
HD61913A01 |
Text screen |
: |
1 line of 12 characters |
Graphic screen |
: |
No |
Sound |
: |
No |
Size |
: |
165 x 71 x 10 mm |
Weight |
: |
116 g. with batteries |
Year |
: |
1983 |
Power |
: |
2 CR-2032 lithium batteries |
|
|
|
Extensions | ||
Memory |
: |
OR-1 1 Kb |
|
|
OR-1E 1 Kb |
Printer |
: |
FP-12 Thermal technology |
|
|
FP-12S Thermal technology |
|
|
FP-12T Thermal technology |
|
|
|
Storage |
: |
FA-3 External tape interface |
|
|
|
|
|
click on the picture to enlarge | ||
| ||
Technical specifications | ||
RAM (total) |
: |
1 / 2 Kb (0 or 1 ramcard of 1 Kb) |
RAM available |
: |
544 / 1.568 bytes |
ROM |
: |
12 Kb |
CPU |
: |
HD61913A01 |
Text screen |
: |
1 line of 12 characters |
Graphic screen |
: |
No |
Sound |
: |
No |
Size |
: |
180 x 140 x 10 mm (opened) |
Weight |
: |
146 g. with batteries |
Year |
: |
198? |
Power |
: |
2 CR-2032 lithium batteries |
|
|
|
Extensions | ||
Memory |
: |
OR-1 1 Kb |
|
|
OR-1E 1 Kb |
click on the picture to enlarge | ||
| ||
Technical specifications | ||
RAM (total) |
: |
4 Kb |
RAM available |
: |
3,616 bytes |
ROM |
: |
12 Kb ? |
CPU |
: |
HD61913A01 |
Text screen |
: |
1 line of 12 characters |
Graphic screen |
: |
No |
Sound |
: |
Dual tone beep (high, low) |
Size |
: |
165 x 71 x 10 mm |
Weight |
: |
128 g. with batteries |
Year |
: |
198? |
Power |
: |
2 CR-2032 lithium batteries |
click on the picture to enlarge | ||
| ||
Technical specifications | ||
RAM (total) |
: |
2 Kb |
RAM available |
: |
1,568 bytes |
ROM |
: |
12 Kb |
CPU |
: |
HD61913A01 |
Text screen |
: |
1 line of 12 characters |
Graphic screen |
: |
No |
Sound |
: |
No |
Size |
: |
165 x 71 x 10 mm |
Weight |
: |
122 g. with batteries |
Year |
: |
198? |
Power |
: |
2 CR-2032 lithium batteries |
click on the picture to enlarge | ||
| ||
Technical specifications | ||
RAM (total) |
: |
2 / 4 Kb (a 2 Kb ramcard is always inclued) |
RAM available |
: |
1,568 / 3,616 bytes |
ROM |
: |
12 Kb ? |
CPU |
: |
HD61913A01 |
Text screen |
: |
1 line of 12 characters |
Graphic screen |
: |
No |
Sound |
: |
Dual tone beep (high, low) |
Size |
: |
165 x 71 x 10 mm |
Weight |
: |
128 g. with batteries |
Year |
: |
198? |
Power |
: |
2 CR-2032 lithium batteries |
click on the picture to enlarge | ||
| ||
Technical specifications | ||
RAM (total) |
: |
1 Kb ? |
RAM available |
: |
544 bytes ? |
ROM |
: |
12 Kb ? |
CPU |
: |
HD61913A01 ? |
Text screen |
: |
1 line of 12 characters |
Graphic screen |
: |
No |
Sound |
: |
No |
Size |
: |
165 x 71 x 10 mm |
Weight |
: |
116 g. with batteries |
Year |
: |
198? |
Power |
: |
2 CR-2032 lithium batteries |
click on the picture to enlarge | ||
| ||
Technical specifications | ||
RAM (total) |
: |
2 Kb |
RAM available |
: |
1,568 bytes |
ROM |
: |
12 Kb |
CPU |
: |
HD61913A01 |
Text screen |
: |
1 line of 12 characters |
Graphic screen |
: |
No |
Sound |
: |
No |
Size |
: |
165 x 71 x 10 mm |
Weight |
: |
122 g. with batteries |
Year |
: |
198? |
Power |
: |
2 CR-2032 lithium batteries |
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