The technical service manual for the zx81, complete with selfassembly instructionszxprinter service. They are also stored in the name table with a different type, so the interpreter knows which is which. A pdf version of the manual, zx81 basic programming by steve vickers, is available here. It is commonly considered to be the machine that brought computing to the general public in the united kingdom as it. Tzx, which is in fact a spectrums format but still suitable to zx81 and pfile which contains binary program or basic one, but always one file. In a tokenised ql superbasic program, the functions have different token from the variables.
Config zxpand manual config config x config xy press shiftg in k mode replaces llist command the config command is the main method of communicating with and configuring the zxpand interface. Your saved programs cannot be loaded into other kinds of computer or the zx80 with integer basic. This web site contains my own collection of zx81 and ts tapes, hardware and books that i have built up over the last ten years or so, almost entirely from buying items on ebay, along with a small. The original sinclair zx80 ram pack held either 1, 2 or 3 kb of static ram and a later model held 16 kb of dynamic ram dram. All the new commands start with the zx81 symbol like the mathematical power function. Mit basic ist es moglicht, befehle des zx81 basics zu andern oder mit neuen. Loading a file thats too large for your systemsay, because it was saved on a 16kb zx81 and youre loading it on a 1kb zx81 or a 2kb ts youll set some of basics core pointers to.
The original manual in pdf format zx81 service and assembly manual. It was launched in the united kingdom in march 1981 as the. Using the jsmess emulator, users can boot up an emulation of the given title and use it in their browser. Chapter 2 telling the computer what to do page 11 how to type things in to the computer, rubout, newline chapter 3 a history lesson page 19 chapter 4 the sinclair zx81 as a pocket calculator page 23 statement. It was launched in the united kingdom in march 1981 as the successor to sinclairs zx80 and was designed to be a lowcost introduction to home computing for the general public. The zx81 basic programming manual, also available in pdf format the timex computer 2068 portuguese user manual the timex 1016 16k ram pack schematics for the zx81 or ts. Basic programs and file formats 1 reply our ultimate goal with the zx81 here is to work out how to get our own machine code into it so we can watch it go, and maybe also learn about the oddities of the platform. General chit chat about sinclair computers and their clones. In the catalog mobil and subdirectories are programs in the form of pfiles that i developed or ported from software for other computers. Sort of an experimental unfinished zx81 emulator windows. The zx81 character set is the character encoding used by the sinclair research zx81 family of microcomputers including the timex sinclair and timex sinclair 1500. My zx81 is now safely housed in a timexsinclair case. Most visitors to our beautiful isle know to behave themselves, treating the locals with respect and admiring the scenery. This is a direct application of greg harders sram hires extended basic aka shreb.
Chapter 2 telling the computer what to do page 11 how to type things in to the computer, rubout, newline. It started with 8k rom and 1k ram on board, the video output was generated by the cpu interleaved with executing basic and machine code programs. Basic programs and file formats bumbershoot software. In fact, i programmed so much on it, i destroyed the original membrane keyboard. The motivation for this implementation of the zx81 basic dialect is an article in 1 by david brin that describing the lack of a simple and fun to use programming language that can suit the needs of young children without forcing them to delve into. Sinclairs brief to the pair was fairly nonspecific but primarily concerned remedying a key defect of the zx80 so that the new machine could be used for practical programming and calculations. Mar 24, 2006 the zx81 was a home computer produced by sinclair research and manufactured in scotland by timex corporation. Sinclair zx81 basic programming by steven vickers i. Grant concentrated on the software that drove the zx81 s hardware, while vickers developed the new basic and the accompanying manual. A short history of retro 8bit computers spanning from 1979 with the atari 400 through to 1986 and the zx spectrum 128. Sinclair zx81 issue one computer computing history.
Mar 26, 2016 download zx81 basic programming steven vickers download free online book chm pdf. Sinclair zx80 basic programs and cassette load demo youtube. Zx81 emulator written in visual basic can you believe it windows. Clear the screen with cls or list the basic program, the clock is still there and is only disabled with the commands fast, llist, lprint, pause or editing any line of the basic program. Zx81 collection, the largest online collection of sinclair zx81 and ts games, software, books and hardware. Sinclair zx81 issue one the zx81 was launched on march 5th 1981 by clive sinclair. Sinclair zx81 basic programming by olivier boisseau issuu. All but one of the zx80s basic functions, plus a substantial number of additions, have been incorporated into the 8k rom which drives the zx81. Following the zx81 s release, a zx81 8 kb rom was available to upgrade the zx80 at a cost of around 20% of a real zx81. Chapter 1 setting up the zx81 unpack the zx81, you will have found 1.
Zxpand manual page 4 of 16 overview the zxpand is an allinone expansion solution for sinclair zx81 computers. Zx spectrum basic programming manual pdf the zx81 and spectrum microcomputers. The internet archive software library is a large collection of viewable and executable software titles, ranging from commercially released products to public domain and hobbyist programs. Sorcerers lair, the cambridge collection, the good software guide, timex. The technical service manual for the zx81, complete with selfassembly instructionszxprinter service manual. Assembler rom, weitere infos unter sinclair zx81 manual books aszmic. Both of them may be played back, but pfiles arent storing their file names inside you have to specify one before playingoutput to wav. It came with a thin keyboard overlay and a zx81 manual. Also shown is a cassette load of a commercial program for budget analysis. The internet archive software library is a large collection of viewable and executable software titles, ranging from commercially released products to. It has no switches to turn it on you just connect it to the power supply. The zx81 is a home computer that was produced by sinclair research and manufactured in dundee, scotland, by timex corporation. Zx spectrum basic tokenizer web site other useful business software goodday is a modern work management platform that brings together the best tools for highlevel planning, project and product. Two short basic programs are entered to show editing peculiarities and speed.
If you do not have a zx81 emulator installed on your computer, and your computer is not itself a zx81 or zx81 compatible, you can type any of these programs into the jtyone online zx81 emulator and see what they do. There is information about all the items, including inlay and instruction scans, screenshots, listings and the. The zx80 with zx81 basic, on the other hand is compatible with the zx81. Config zxpand manual config config x config xy press shiftg in k. Sinclair zx81 basic programming vickers, steven on. The sinclair zx80 is a home computer launched on 29 january 1980 by science of cambridge ltd.
The game logic was adapted from a similar game i had written earlier for the first trs80 pocket computer. Also shown is a cassette load of a commercial program for budget. If you do not have a zx81 emulator installed on your computer, and your computer is not itself a zx81 or zx81. Games and entertainment software for the zx spectrum. Zx80 zx81 hardware and software offered for sale or swapping. Minesweeper for your zx81 will also run under zx81 emulator xtender. Sinclair zx81 basic programming by steven vickers second. Zx80 zx81 hardware and software requested for either sale or.
The zx81 was a home computer produced by sinclair research and manufactured in scotland by timex corporation. Download zx81 basic programming steven vickers download free online book chm pdf. Loading a file thats too large for your systemsay, because it was saved on a 16kb zx81 and youre loading it on a 1kb zx81 or a 2kb ts youll set some of basic s core pointers to invalid ram locations and lock the system so hard that youll have to unplug the computer to fix it. Finished pdf to html transcription on 8th october 2009. Download clock visit kmurtas webpage for sinclair zx81 software. Zx80 zx81 hardware and software requested for either sale or swapping. In the catalog mobil and subdirectories are programs in.
Basic messages contain enough english words like print to make them fairly easy for an english speaking human to learn. According to the system variables of the sinclair zx81, memory location 16398 and 16399 form a 16bit value containing the current address of print position in display file. In fact, i programmed so much on it, i destroyed the original. Multimachine emulates a whole range of 8 bit machines. The zx81 a compact, efficient use of technology for the time, the zx81 was a 3. Basic was designed at dartmouth college in new hampshire, usa in 1964. The zx81 was never designed to make use of a file system and this should make finding the file you want much easier. After loading a zx80 program, the zx81 will be in fast mode. Apr 03, 2011 this is a short demo of the sinclair zx80. Sea mines highresolution graphics without extra hardware. Brin identifies basic as the perfect language for such application, but laments that basic implementations are hard to find, unless you buy an old 1980s home computer.
The zx81 8k basic rom was also available as an upgrade for the zx80, replacing its integeronly 4k basic rom. Dataforlaget denmark as sinclair zx spectrum en regnbue i en datamat et kursus i. One year later, they released the new and improved zx81. At the moment i have the zx80 operating manual online for the largest part. Mastering machine code on your zx81 or zx80 by toni baker.
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