List of MIA ZX81 Tapes, Hardware and Books

Missing in Action (MIA) entries are identified from references that are not matched in the collection.

The overall list is split into Tapes, Hardware and Books.

List of MIA ZX81 Tapes (443)

#PublisherDescription#RefFirst mentionLink
 1   A to Z Software   16K Arcade   1  Sinclair User 7 [full page]
 2   A to Z Software   16K Gambler   1  Sinclair User 7 [full page]
 3   A to Z Software   16K Traditional   1  Sinclair User 7 [full page]
 4   A to Z Software   1K Fun   1  Sinclair User 7 [full page]
 5   A. M. Software   Editor   1  Sinclair User Spectrum User Supplement 7 [full page]
 6   A. P. E. Software   Junior Geronimo   1  Sinclair User 2 [full page]
 7   A. P. E. Software   Pratternization   1  Sinclair User 2 [full page]
 8   A. P. E. Software   The Adventures of Geronimo Pratt   1  Sinclair User 2 [full page]
 9   A. Parsons   16K Art and Fun   1  Sinclair User 1 [full page]
 10   A. Parsons   16K Geography   1  Sinclair User 1 [full page]
 11   A. Parsons   16K Learning Fun   1  Sinclair User 1 [full page]
 12   A. R. Hill   Phoenix   1  Sinclair User 4 [full page]
 13   A. Readman   ZXC Arcade Plus Pack   1  Sinclair User 5 [full page]
 14   Abersoft   Chess 1.4   4  Sinclair User 5 [full page]
 15   Abersoft   Invaders   4  Sinclair User 5 [full page]
 16   Abersoft   Mazeman   5  Sinclair User 5 [full page]
 17   Abies Informatics   Mickie   1  Sinclair User 1 [full page]
 18   ACS Software   Assembler   4  Sinclair User 4 [full page]
 19   ACS Software   Debug   3  Sinclair User 4 [full page]
 20   ACS Software   Disassembler   4  Sinclair User 4 [full page]
 21   ACS Software   Progmerge V2   3  Sinclair User 5 [full page]
 22   ACS Software   Progstore   3  Sinclair User Spectrum User Supplement 6 [full page]
 23   ACS Software   Tapekit   2  Sinclair User Spectrum User Supplement 6 [full page]
 24   ACS Software   Toolkit   2  Sinclair User Spectrum User Supplement 6 [full page]
 25   Adrian Boone   Five Graphic Games   1  Sinclair User 4 [full page]
 26   Algor   Cheops' Tomb, Commodity game   2  Sinclair User 1 [full page]
 27   Algor   Machine Code Service   1  Sinclair User 2 [full page]
 28   Algor   Mines and Monsters, Stockmarket   3  Sinclair User 1 [full page]
 29   Algor   Shelob's Lair, Economy Game   3  Sinclair User 1 [full page]
 30   Algor   The Financier   1  Sinclair User 2 [full page]
 31   Artic   Galaxy Warrior   3  Sinclair User 1 [full page]
 32   Artic   ZX Chess II Hires   4  Sinclair User 1 [full page]
 33   Artic   ZX-Forth   5  Sinclair User 4 [full page]
 34   Astro Software   Eight Games   1  Sinclair User 8 [full page]
 35   Automata Cartography   Love & Death   2  Sinclair User 1 [full page]
 36   Automata Cartography   The Bible   2  Sinclair User 1 [full page]
 37   Autosoft   Breakout/Star Smash   1  Sinclair User 6 [full page]
 38   AVC Software   Geography Hangperson   1  Sinclair User 6 [full page]
 39   AVC Software   Tables Countdown   1  Sinclair User 6 [full page]
 40   Aylesbury ZX Computer Club   Disassembler   1  Sinclair User 4 [full page]
 41   B. L. Cotgrove   HAM Radio program   1  Sinclair User 5 [full page]
 42   B. Rao   1K Utilities   1  Sinclair User 4 [full page]
 43   B. Rao   Cassette A   2  Sinclair User 2 [full page]
 44   B. Rao   Cassette B   2  Sinclair User 2 [full page]
 45   B. Rao   Cassette C   2  Sinclair User 2 [full page]
 46   Babtech   Zedman + Spacers   1  Sinclair User 6 [full page]
 47   Brian Negus   Music Learning Aids   1  Sinclair User 5 [full page]
 48   Brian Negus   Music Learning Aids - Beats   1  Sinclair User 6 [full page]
 49   Brian Negus   Music Learning Aids - Clefs 1   1  Sinclair User 6 [full page]
 50   Brian Negus   Music Learning Aids - Clefs 2   1  Sinclair User 6 [full page]
 51   Bridge Software   1K Games   2  Sinclair User 1 [full page]
 52   Bridge Software   1K Graphics   2  Sinclair User 1 [full page]
 53   Bridge Software   1K Statistics   2  Sinclair User 1 [full page]
 54   Bridge Software   Family Fun No.1   2  Sinclair User 4 [full page]
 55   Bridge Software   Graphics Starter Pack   2  Sinclair User 4 [full page]
 56   Bridge Software   Lynchmob (Family Fun No.2)   2  Sinclair User 4 [full page]
 57   Bridge Software   Multigraphics 2.3   5  Sinclair User 1 [full page]
 58   Bridge Software   Statistics Package   2  Sinclair User 4 [full page]
 59   British Sporting Services   Pools For Profit   1  Sinclair User 8 [full page]
 60   British Sporting Services   The Settler   1  Sinclair User 8 [full page]
 61   Bug Byte   1K Breakout   1  Sinclair User 1 [full page]
 62   Bug Byte   House of Gnomes   2  Sinclair User 1 [full page]
 63   Bug Byte   Multifile   3  Sinclair User 1 [full page]
 64   Bug Byte   Program Pack 1   3  Sinclair User 1 [full page]
 65   Bug Byte   Program Pack 2   3  Sinclair User 1 [full page]
 66   Bug Byte   Program Pack 3   3  Sinclair User 1 [full page]
 67   Bug Byte   Program Pack 5   3  Sinclair User 1 [full page]
 68   Bug Byte   Program Pack 6   3  Sinclair User 1 [full page]
 69   Bug Byte   Program Pack 7   3  Sinclair User 1 [full page]
 70   Bug Byte   Program Pack 8   2  Sinclair User 2 [full page]
 71   Bug Byte   Tables teaching and testing   1  Sinclair User 1 [full page]
 72   Bug Byte   Videograph   2  Sinclair User 1 [full page]
 73   Bug Byte   Viewtext   2  Sinclair User 1 [full page]
 74   Bug Byte   Whist   1  Sinclair User 1 [full page]
 75   Butronics   Fortune Telling   1  Sinclair User 8 [full page]
 76   Butronics   Predict horse races   2  Sinclair User 5 [full page]
 77   Calpac Computer Software   O-Level Chemistry C1   3  Sinclair User 6 [full page]
 78   Campbell Systems   4K Disassembler   1  Sinclair User 4 [full page]
 79   Campbell Systems   Window Language   1  Sinclair User 1 [full page]
 80   Carnell   Alien Intruder/Hieroglyphics C3   7  Sinclair User 3 [full page]
 81   Carnell   Volcanic Dungeon/Hangman C2   8  Sinclair User 3 [full page]
 82   Carnell   Wumpus Adventure/Movie Mogul C4   7  Sinclair User 3 [full page]
 83   Cases Computer Simulations   Airline   6  Sinclair User 3 [full page]
 84   Cases Computer Simulations   Autochef   6  Sinclair User 3 [full page]
 85   Cases Computer Simulations   Modeller X   1  Sinclair User 8 [full page]
 86   Cheshire Micro Design   Temperature Sensor   2  Sinclair User 5 [full page]
 87   Collins Computing   Murgatroyds   2  Sinclair User 7 [full page]
 88   Collins Computing   Murgatroyds Revenge   2  Sinclair User 7 [full page]
 89   Computatutor   Anagram   2  Sinclair User 2 [full page]
 90   Computatutor   Crossword   2  Sinclair User 2 [full page]
 91   Computatutor   Holidays and Sickness   1  Sinclair User 3 [full page]
 92   Computatutor   On Your Marks   1  Sinclair User 6 [full page]
 93   Computawine   Make Better Wines   2  Sinclair User 7 [full page]
 94   Computers for Education   Learning fractions/Using fractions   1  Sinclair User 5 [full page]
 95   Computers for Education   Mental arithmetic/Spelling   1  Sinclair User 5 [full page]
 96   Computers for Education   Reading graphs/Graph plotting   1  Sinclair User 5 [full page]
 97   Computers for Education   Telling time/12/24 hr clock   1  Sinclair User 5 [full page]
 98   Computers for Education   Volume/capacity/Area/perimeter   1  Sinclair User 5 [full page]
 99   Control Technology   Cassette 1 1/2   3  Sinclair User 1 [full page]
 100   Control Technology   Gamal 81   4  Sinclair User 1 [full page]
 101   Control Technology   Pack 16/1   3  Sinclair User 1 [full page]
 102   Control Technology   Pack 16/2   3  Sinclair User 1 [full page]
 103   Control Technology   Pack 16/3   3  Sinclair User 1 [full page]
 104   Control Technology   ZX Adventure (Golf, Damsel in Distress,Storm the Tower)   1  Sinclair User 4 [full page]
 105   Control Technology   ZX Arcade Pack   2  Sinclair User 4 [full page]
 106   Control Technology   ZX Autocoder   4  Sinclair User 1 [full page]
 107   Control Technology   ZX Business System   4  Sinclair User 1 [full page]
 108   D. Bradburn   Family Tree Program   1  Sinclair User 8 [full page]
 109   D. C. Roberts   Stocktaker   1  Sinclair User 3 [full page]
 110   D. Cordiner   Aircraft Simulator   1  Sinclair User 8 [full page]
 111   D. R. Horne   1K ZX Chess   2  Sinclair User 3 [full page]
 112   D. Wale   Pontoon   1  Sinclair User 8 [full page]
 113   D. Warrington   Frogging/Minotaur   1  Sinclair User 6 [full page]
 114   Data-assette   Editor-99   5  Sinclair User 4 [full page]
 115   Digital Integration   Fighter Pilot   8  Sinclair User 1 [full page]
 116   dK'tronics   3D/3D Labyrinth   5  Sinclair User 1 [full page]
 117   dK'tronics   Asteroids graphic ROM   5  Sinclair User 4 [full page]
 118   dK'tronics   Centipede graphic ROM   8  Sinclair User 1 [full page]
 119   dK'tronics   Defender graphic ROM   4  Sinclair User 5 [full page]
 120   dK'tronics   Deflex   2  Sinclair User 1 [full page]
 121   dK'tronics   Meteor Storm graphic ROM   1  Sinclair User 8 [full page]
 122   dK'tronics   ZXED   7  Sinclair User 3 [full page]
 123   Docimodus   Associative Database System   3  Sinclair User 6 [full page]
 124   Docimodus   City   3  Sinclair User 6 [full page]
 125   Dunrobin Software   Bridge Scorepad   2  Sinclair User 3 [full page]
 126   Dunrobin Software   Nim/Close the box   1  Sinclair User 8 [full page]
 127   Eebee Computor Wares   At last   3  Sinclair User 3 [full page]
 128   Eebee Computor Wares   Sailing   2  Sinclair User 4 [full page]
 129   Electric Pencil Company   Asteroids   3  Sinclair User 5 [full page]
 130   Emjay   Z-AID   1  Sinclair User 2 [full page]
 131   F. H. George (Professor)   Sporting Forecasts   1  Sinclair User 6 [full page]
 132   Fisher-Marriott   Alpha   2  Sinclair User 7 [full page]
 133   Fisher-Marriott   Bigspell   2  Sinclair User 7 [full page]
 134   FLET-ELEC   15th Edition of I.E.E. Reg's Made Easy   1  Sinclair User 8 [full page]
 135   FLET-ELEC   Estimating   1  Sinclair User 8 [full page]
 136   FLET-ELEC   Labour Rate Calculator   1  Sinclair User 8 [full page]
 137   FLET-ELEC   Lighting Calculation   1  Sinclair User 8 [full page]
 138   FLET-ELEC   Teaching Programs for Appretices   1  Sinclair User 8 [full page]
 139   FLET-ELEC   Trunking Size Calculator   1  Sinclair User 8 [full page]
 140   FLET-ELEC   Volt Drop   1  Sinclair User 8 [full page]
 141   Futuresoft   Cassette 1 (Maths One, Mathskate)   3  Sinclair User 3 [full page]
 142   Futuresoft   Cassette 2 (Language Translator, Word Test)   3  Sinclair User 3 [full page]
 143   Futuresoft   Cassette 3 (Bank Account, Home Bills Ready Reckoner)   3  Sinclair User 3 [full page]
 144   Fylesoft   Fortune Teller   1  Sinclair User 1 [full page]
 145   Gemini Marketing   Database Filing System   3  Sinclair User 4 [full page]
 146   Giltrole   Nasty Mountain   1  Sinclair User 3 [full page]
 147   Good Games   Isle of Man T.T. Races   1  Sinclair User 8 [full page]
 148   Hartland Software   Football Pools Program   4  Sinclair User 5 [full page]
 149   Heltaskelta   Alien Chase   1  Sinclair User 1 [full page]
 150   Heltaskelta   Asteroid Belt   1  Sinclair User 1 [full page]
 151   Heltaskelta   Fireman's Rescue   1  Sinclair User 1 [full page]
 152   Heltaskelta   Navarone   1  Sinclair User 1 [full page]
 153   Heltaskelta   Phototon   1  Sinclair User 1 [full page]
 154   Hestacrest   Accounts   1  Sinclair User 8 [full page]
 155   Hestacrest   Limited company accounts   1  Sinclair User 4 [full page]
 156   Hestacrest   Sole trader accounts   1  Sinclair User 4 [full page]
 157   Hewson Consultants   1K Statistics   3  Sinclair User 1 [full page]
 158   Hewson Consultants   Language Dictionary   3  Sinclair User 1 [full page]
 159   Hewson Consultants   Line Renumber   4  Sinclair User 3 [full page]
 160   Hewson Consultants   Naval Blockade   2  Sinclair User Spectrum User Supplement 7 [full page]
 161   Hewson Consultants   Toolkit   9  Sinclair User 1 [full page]
 162   Hilderbay   Bank account   2  Sinclair User 1 [full page]
 163   Hilderbay   Barcharts for Architects   2  Sinclair User 1 [full page]
 164   Hilderbay   Beamscan   7  Sinclair User 1 [full page]
 165   Hilderbay   Budget   4  Sinclair User 1 [full page]
 166   Hilderbay   Budget 1   4  Sinclair User 5 [full page]
 167   Hilderbay   Budget 2   4  Sinclair User 5 [full page]
 168   Hilderbay   Calculator pack   2  Sinclair User 1 [full page]
 169   Hilderbay   Elementary Statpack   2  Sinclair User 1 [full page]
 170   Hilderbay   Equation pack   2  Sinclair User 1 [full page]
 171   Hilderbay   Financial Pack 1   5  Sinclair User 5 [full page]
 172   Hilderbay   Matrix routines   2  Sinclair User 1 [full page]
 173   Hilderbay   Metric/Imperial/US conversions   2  Sinclair User 1 [full page]
 174   Hilderbay   Optimax   5  Sinclair User 3 [full page]
 175   Hilderbay   Payroll   9  Sinclair User 1 [full page]
 176   Hilderbay   Polynomial evaluation   2  Sinclair User 1 [full page]
 177   Hilderbay   Program Planning Package   1  Sinclair User 7 [full page]
 178   Hilderbay   Stock Control   8  Sinclair User 1 [full page]
 179   Hilderbay   Time Ledger   5  Sinclair User 3 [full page]
 180   Hilderbay   Triangles   2  Sinclair User 1 [full page]
 181   Hilderbay   VAT & Mortgate & Loan   3  Sinclair User 1 [full page]
 182   Holdco   Architects Programs   1  Sinclair User 3 [full page]
 183   Holdco   Cash Sales Day Book   1  Sinclair User 3 [full page]
 184   Holdco   Financial Budget/Cash Flow Forecast   1  Sinclair User 3 [full page]
 185   Holdco   Lord of the Rings 1   1  Sinclair User 3 [full page]
 186   Holdco   Petty Cash Book   1  Sinclair User 3 [full page]
 187   Holdco   Purchase Day Book   1  Sinclair User 3 [full page]
 188   Holdco   Sales Day Book   1  Sinclair User 3 [full page]
 189   Holdco   Tamworth Manor   1  Sinclair User 3 [full page]
 190   Inverse   Astrobeetle   1  Sinclair User 8 [full page]
 191   Inverse   Hangman   1  Sinclair User 8 [full page]
 192   Inverse   Planet X   1  Sinclair User 8 [full page]
 193   J. Blackford   Store/Sort Programme   1  Sinclair User 4 [full page]
 194   J. G. Prince   Games Pack 2 (Planet Defender, Storm Fighters, Breakout, Graphic Hangman)   3  Sinclair User 5 [full page]
 195   J. P. Gibbons   Casino One   1  Sinclair User 8 [full page]
 196   J. P. Gibbons   PBS Bank reconciliation module   4  Sinclair User Spectrum User Supplement 6 [full page]
 197   J. Purves   Budget/Address book   1  Sinclair User 4 [full page]
 198   J. Purves   Database   1  Sinclair User 4 [full page]
 199   Jackett Software   10 1K Games   1  Sinclair User 6 [full page]
 200   JRS Software   Battleships and Cruisers   4  Sinclair User 5 [full page]
 201   JRS Software   Games Pack   7  Sinclair User 1 [full page]
 202   JRS Software   Toolkit   10  Sinclair User 1 [full page]
 203   Kayde Electronic Systems   3D/3D Labyrinth   4  Sinclair User 4 [full page]
 204   Kayde Electronic Systems   Centipede   4  Sinclair User 4 [full page]
 205   Kayde Electronic Systems   Centipede graphic ROM   4  Sinclair User 4 [full page]
 206   Kayde Electronic Systems   Invaders graphic ROM   4  Sinclair User 4 [full page]
 207   Kayde Electronic Systems   Peckman graphic ROM   4  Sinclair User 4 [full page]
 208   Kayde Electronic Systems   Peckmen   4  Sinclair User 4 [full page]
 209   Kevin Reed   One-armed Bandit   1  Sinclair User 2 [full page]
 210   Kevin Reed   ZXCALC   1  Sinclair User 2 [full page]
 211   Leisure Games   Escape from Shazzar   1  Sinclair User 3 [full page]
 212   Leisure Games   Pop Star   2  Sinclair User 1 [full page]
 213   Leisure Games   The Keys of Gondrun   3  Sinclair User 1 [full page]
 214   Logan Software   Othello 1K   1  Sinclair User 1 [full page]
 215   M. J. Barnes   Chemistry Formula   1  Sinclair User 8 [full page]
 216   M. J. Barnes   Chemistry Masses   1  Sinclair User 8 [full page]
 217   M. J. Barnes   Chemistry Moles   1  Sinclair User 8 [full page]
 218   M. J. Barnes   Chemistry Volume   1  Sinclair User 8 [full page]
 219   M. R. Irving   G3ZHY Morse Code Tutor   1  Sinclair User 5 [full page]
 220   M. R. Irving   Renumber   1  Sinclair User 4 [full page]
 221   Macronics   3D O & X + Connect four   4  Sinclair User 1 [full page]
 222   Macronics   Breakout   4  Sinclair User 1 [full page]
 223   Macronics   Fruit Machine and Pontoon   4  Sinclair User 1 [full page]
 224   Macronics   Life   4  Sinclair User 1 [full page]
 225   Macronics   Mission of the Deep   4  Sinclair User 1 [full page]
 226   Macronics   Music 1K   4  Sinclair User 1 [full page]
 227   Macronics   Music 2K-16K   4  Sinclair User 1 [full page]
 228   Macronics   Scroll/Rolling Riter   4  Sinclair User 1 [full page]
 229   Macronics   Space Invaders 1K   5  Sinclair User 1 [full page]
 230   Macronics   Space Rescue   4  Sinclair User 1 [full page]
 231   Macronics   Star Trek/3D Os & Xs   2  Sinclair User 7 [full page]
 232   Macronics   Warrior   4  Sinclair User 1 [full page]
 233   Magnum Computing   Asteroids/Invaders   1  Sinclair User 4 [full page]
 234   Magnum Computing   Falkland Islands   1  Sinclair User 4 [full page]
 235   Magnum Computing   Missile Command/Galaxians   1  Sinclair User 4 [full page]
 236   Martech Games   Conflict   1  Sinclair User 8 [full page]
 237   Martech Games   Galaxy Conflict   1  Sinclair User 8 [full page]
 238   Martin Wren-Hilton   Lower Case   1  Sinclair User 5 [full page]
 239   Martin Wren-Hilton   Super-Zap   1  Sinclair User 5 [full page]
 240   Math-Ed   Maths Education   1  Sinclair User 1 [full page]
 241   Matthew Calveley   Four games (Lion Hunt,Submarine Attack, Hangman,Kaleidoscope)   1  Sinclair User 8 [full page]
 242   Melbourne House   The Complete Sinclair ZX81 BASIC Course   2  Sinclair User 3 [full page]
 243   Michael Bredbury   10 16K Games   1  Sinclair User 6 [full page]
 244   Michael Cox Information Services   M/C Load and M/C Edit   1  Sinclair User 2 [full page]
 245   Micro Computer Software   Diggles Kitchen Recipe Volume 1   3  Sinclair User 2 [full page]
 246   Micro Computer Software   Diggles Kitchen Recipe Volume 2   3  Sinclair User 2 [full page]
 247   Microgame Simulations   2002   1  Sinclair User 3 [full page]
 248   Microgame Simulations   Asset Stripper   3  Sinclair User 1 [full page]
 249   Microgame Simulations   Balance of Power   2  Sinclair User 1 [full page]
 250   Microgame Simulations   Battle of Britain   3  Sinclair User 1 [full page]
 251   Microgame Simulations   Soccer Supremo   3  Sinclair User 1 [full page]
 252   Microgame Simulations   Tycoon   3  Sinclair User 1 [full page]
 253   Micromega   Bank   1  Sinclair User 8 [full page]
 254   Micromega   Comp-u-share   2  Sinclair User 8 [full page]
 255   Micromega   Comp-u-tax/82   2  Sinclair User 8 [full page]
 256   Micromega   Comp-u-tax/83   1  Sinclair User 8 [full page]
 257   Mikro-Gen   Disassembler & Monitor   6  Sinclair User 3 [full page]
 258   Mikro-Gen   Sorcerer's Castle   5  Sinclair User 3 [full page]
 259   Mikro-Gen   ZX Amaze   4  Sinclair User 2 [full page]
 260   Mikro-Gen   ZX Breakout   7  Sinclair User 1 [full page]
 261   Mindseye   Byte-man/Space-fighter/Bridge bomber   2  Sinclair User 5 [full page]
 262   Mosstapes   Mossmaze, Mossmole, Mossquares   1  Sinclair User 8 [full page]
 263   Moviedrome Video   6 Games   1  Sinclair User 2 [full page]
 264   N. Best   15 1K Programs   1  Sinclair User 8 [full page]
 265   N. Sugden   Nim/Cosmo Attack   1  Sinclair User 8 [full page]
 266   Newline   3 Card Brag   2  Sinclair User 3 [full page]
 267   Newline   Craps   2  Sinclair User 3 [full page]
 268   Newsoft   Rampage   1  Sinclair User 2 [full page]
 269   Newsoft   Roulette   1  Sinclair User 2 [full page]
 270   Newsoft   Time Bandits   1  Sinclair User 2 [full page]
 271   Newsoft   Valley   1  Sinclair User 2 [full page]
 272   Nimrod Software   Car log   3  Sinclair User 6 [full page]
 273   Oasis Software   LTEXT, ZTEXT   3  Sinclair User 2 [full page]
 274   Omega Soft   English 1   1  Sinclair User 6 [full page]
 275   Omega Soft   Maths 1   1  Sinclair User 6 [full page]
 276   P. L. Donovan   Cassettes for Learn with your Sinclair Micro-computer   1  Sinclair User 5 [full page]
 277   Peter Evans   Flight Demonstration/Flight Simulation/Flight Test   1  Sinclair User 5 [full page]
 278   Philip Joy   Cathedral Adventure   1  Sinclair User 3 [full page]
 279   Phipps Associates   Nowotnik Puzzle, 9 other diversions   2  Sinclair User 3 [full page]
 280   Picturesque   Machine Code Monitor   4  Sinclair User 1 [full page]
 281   Picturesque   REM-Load   5  Sinclair User 4 [full page]
 282   Picturesque   Screen Kit 1   11  Sinclair User 1 [full page]
 283   Picturesque   ZX-MC   8  Sinclair User 2 [full page]
 284   Poolsoft   Pools Forecasting Programme   1  Sinclair User 5 [full page]
 285   Precision Software Engineering   Dataphrase   2  Sinclair User 6 [full page]
 286   Precision Software Engineering   French Language Education System   2  Sinclair User 6 [full page]
 287   Precision Software Engineering   Games Tape 1   1  Sinclair User 6 [full page]
 288   Precision Software Engineering   Games Tape 2   2  Sinclair User 6 [full page]
 289   Precision Software Engineering   German Grammar 1   2  Sinclair User 6 [full page]
 290   Precision Software Engineering   German Grammar 2   2  Sinclair User 6 [full page]
 291   Precision Software Engineering   German Grammar 3   2  Sinclair User 6 [full page]
 292   Prolog Home Software   Pre-School Concepts   1  Sinclair User 7 [full page]
 293   PSS   Accounts   2  Sinclair User 8 [full page]
 294   PSS   Autofile   1  Sinclair User 8 [full page]
 295   PSS   Breakout   1  Sinclair User 6 [full page]
 296   PSS   Breakout/Super Breakout   2  Sinclair User 3 [full page]
 297   PSS   Composer   1  Sinclair User 3 [full page]
 298   PSS   Day at the Races   1  Sinclair User 6 [full page]
 299   PSS   Enhanced Basic   4  Sinclair User 8 [full page]
 300   PSS   French   1  Sinclair User 3 [full page]
 301   PSS   Ghost   1  Sinclair User 8 [full page]
 302   PSS   Grafix   3  Sinclair User 6 [full page]
 303   PSS   Grand Prix   2  Sinclair User 6 [full page]
 304   PSS   High Rise   1  Sinclair User 6 [full page]
 305   PSS   Home/Business File   1  Sinclair User 3 [full page]
 306   PSS   Horse Racing/Pontoon   1  Sinclair User 3 [full page]
 307   PSS   Magic Square/Hangman   1  Sinclair User 3 [full page]
 308   PSS   Nightmare Park   1  Sinclair User 6 [full page]
 309   PSS   Nightmare Park/Hamurabi   1  Sinclair User 3 [full page]
 310   PSS   Pontoon   1  Sinclair User 6 [full page]
 311   PSS   Puckman   2  Sinclair User 4 [full page]
 312   PSS   Space Defender   2  Sinclair User 6 [full page]
 313   PSS   Space Defender/Hi-Rise   2  Sinclair User 3 [full page]
 314   PSS   Star Trek   2  Sinclair User 6 [full page]
 315   PSS   Statistics   1  Sinclair User 3 [full page]
 316   PSS   Stocks and Shares   1  Sinclair User 6 [full page]
 317   PSS   Super Breakout   1  Sinclair User 6 [full page]
 318   PSS   Tail Gunner   2  Sinclair User 6 [full page]
 319   PSS   Tailgunner   1  Sinclair User 4 [full page]
 320   PSS   Towers of Hanoi   1  Sinclair User 6 [full page]
 321   PSS   Wordfix   2  Sinclair User 6 [full page]
 322   PSS   ZX Compiler   4  Sinclair User 8 [full page]
 323   Quicksilva   QS Harmony   2  Sinclair User 3 [full page]
 324   R & R Software   Bomber   1  Sinclair User 7 [full page]
 325   R & R Software   Invaders   2  Sinclair User 3 [full page]
 326   R & R Software   Manhunt   2  Sinclair User 3 [full page]
 327   R & R Software   Minefield   3  Sinclair User 3 [full page]
 328   R & R Software   Program Enhancement Package   5  Sinclair User 3 [full page]
 329   R. Clark   The Pools Program   1  Sinclair User 8 [full page]
 330   Redditch Electronics   Cassette for Programming for real Applications   5  Sinclair User 1 [full page]
 331   Richard Shepherd   Bargain Bytes   3  Sinclair User 1 [full page]
 332   Rose Cassettes   Arithmetic for the under-eights   3  Sinclair User 6 [full page]
 333   Rose Cassettes   Champion Quiz   1  Sinclair User 6 [full page]
 334   Rose Cassettes   Educational Quiz   4  Sinclair User 3 [full page]
 335   Rose Cassettes   GCE O Level Maths   6  Sinclair User 1 [full page]
 336   Rose Cassettes   Intermediate English 1   1  Sinclair User 8 [full page]
 337   Rose Cassettes   Intermediate English 2   1  Sinclair User 8 [full page]
 338   Rose Cassettes   Intermediate Maths 1   1  Sinclair User 8 [full page]
 339   Rose Cassettes   Intermediate Maths 2   1  Sinclair User 8 [full page]
 340   Rose Cassettes   Junior English 1   5  Sinclair User 1 [full page]
 341   Rose Cassettes   Junior English 2   5  Sinclair User 1 [full page]
 342   Rose Cassettes   Junior Maths 1   5  Sinclair User 1 [full page]
 343   Rose Cassettes   Junior Maths 2   5  Sinclair User 1 [full page]
 344   Rowlands and Simmonds   Marvels 4 (Evolve/Breakout/Nim/Meteor Storm)   1  Sinclair User 6 [full page]
 345   S. Morris   Game of Cricket   1  Sinclair User 8 [full page]
 346   S. Taylor   Adventure Game/Logic   2  Sinclair User 5 [full page]
 347   Sanderson Software   Databank   1  Sinclair User 4 [full page]
 348   Scisoft   Biology Revision   1  Sinclair User 6 [full page]
 349   Scisoft   Chemistry Revision   1  Sinclair User 6 [full page]
 350   Scisoft   Jungle Maths   2  Sinclair User 5 [full page]
 351   Scisoft   Magic Spell   1  Sinclair User 6 [full page]
 352   Scisoft   Markbook   1  Sinclair User 6 [full page]
 353   Scisoft   Maths Revision Part 1   1  Sinclair User 6 [full page]
 354   Second Foundation   1K starter pack   2  Sinclair User 1 [full page]
 355   Serious Software   Quest, StarTrek, Mastermind, Reversi   2  Sinclair User 2 [full page]
 356   Silversoft   3D-Mystery Maze   2  Sinclair User 2 [full page]
 357   Silversoft   Games Pack 1   7  Sinclair User 2 [full page]
 358   Silversoft   Graphic Golf   7  Sinclair User 2 [full page]
 359   Silversoft   Space-Invaders   8  Sinclair User 2 [full page]
 360   Silversoft   Super-Wumpus   7  Sinclair User 2 [full page]
 361   Silversoft   ZX-Zombies   3  Sinclair User 2 [full page]
 362   Simon W. Hessel   Great Britain Limited   1  Sinclair User 2 [full page]
 363   Simon W. Hessel   Inheritance   2  Sinclair User 1 [full page]
 364   Simpson Software   Adventure   1  Sinclair User 2 [full page]
 365   Softest   Femto-Pilot   1  Sinclair User 3 [full page]
 366   Softest   ZX81 Test   1  Sinclair User 3 [full page]
 367   Softouch   Calcuslave   2  Sinclair User 3 [full page]
 368   Softouch   Games compilation   1  Sinclair User 3 [full page]
 369   Softouch   Multichoice   1  Sinclair User 3 [full page]
 370   Softouch   Not Games compilation   1  Sinclair User 3 [full page]
 371   Softrax   Bingo   2  Sinclair User 5 [full page]
 372   Softrax   Draw poker   2  Sinclair User 5 [full page]
 373   Software Masters   1K Super Trio   2  Sinclair User 7 [full page]
 374   Software Masters   Magnus   2  Sinclair User 7 [full page]
 375   Software Masters   Mugsy   2  Sinclair User 7 [full page]
 376   Solent Software Engineering   Depth Charge ZMC1   3  Sinclair User 6 [full page]
 377   Solent Software Engineering   Graphs ZMG1   3  Sinclair User 6 [full page]
 378   Solent Software Engineering   OXO + ZMA1   3  Sinclair User 6 [full page]
 379   Solent Software Engineering   OXO - ZMA2   3  Sinclair User 6 [full page]
 380   Solent Software Engineering   OXO x ZMA3   3  Sinclair User 6 [full page]
 381   Solent Software Engineering   Reaction Test ZSK1   3  Sinclair User 6 [full page]
 382   Solent Software Engineering   Spell Invaders ZES1   3  Sinclair User 6 [full page]
 383   Solent Software Engineering   ZIGOL ZMC2   3  Sinclair User 6 [full page]
 384   SR Software   Rubic Solver   1  Sinclair User 5 [full page]
 385   SR Software   Stockexchange   1  Sinclair User 5 [full page]
 386   Synacroop Software   4 16K Games   1  Sinclair User 6 [full page]
 387   T. Humphries   Pixel Life   1  Sinclair User 8 [full page]
 388   T. J. Thomas   Adventure   1  Sinclair User 8 [full page]
 389   Tasman Software   Tasword   3  Sinclair User 4 [full page]
 390   Taurus   Assembler   1  Sinclair User 6 [full page]
 391   Taurus   Character Set   2  Sinclair User 4 [full page]
 392   Taurus   Disassembler   2  Sinclair User 4 [full page]
 393   Taurus   Machine Code Monitor   3  Sinclair User 4 [full page]
 394   Timothy Skinner   CESIL enter and run   1  Sinclair User 5 [full page]
 395   Transform   Business Bank Account   1  Sinclair User 4 [full page]
 396   Transform   Purchase Ledger   1  Sinclair User 4 [full page]
 397   Transform   Sales Ledger   1  Sinclair User 4 [full page]
 398   Transform   Spellbound   1  Sinclair User 4 [full page]
 399   Transform   VAT & Profit Calculator   1  Sinclair User 4 [full page]
 400   Ultra-Tech Services   Complex Numbers   1  Sinclair User 5 [full page]
 401   Ultra-Tech Services   Non-Linear Equations   1  Sinclair User 5 [full page]
 402   Ultra-Tech Services   Numerical Analysis   1  Sinclair User 5 [full page]
 403   Understanding   Awari   3  Sinclair User 7 [full page]
 404   Unknown   Cassette for More Real Applications for the ZX81 and Spectrum   1  Sinclair User 8 [full page]
 405   Unknown   Missile Command/Safe Breaker   1  Sinclair User 7 [full page]
 406   V. Haynes   Multisequencer   2  Sinclair User 5 [full page]
 407   Ventamatic Micro-Informatica   3D Space Battle   1  Sinclair User 7 [full page]
 408   Ventamatic Micro-Informatica   Orchestra   1  Sinclair User 7 [full page]
 409   Video Software   1K Party tricks   3  Sinclair User 1 [full page]
 410   Video Software   Force-Field   3  Sinclair User 1 [full page]
 411   Video Software   Space-Race   3  Sinclair User 1 [full page]
 412   Video Software   Test-Match   3  Sinclair User 1 [full page]
 413   Video Software   Video-Ad   3  Sinclair User 1 [full page]
 414   Video Software   Video-Graph   3  Sinclair User 1 [full page]
 415   Video Software   Video-Index   4  Sinclair User 1 [full page]
 416   Video Software   Video-Plan   3  Sinclair User 1 [full page]
 417   Video Software   Video-Sketch   3  Sinclair User 1 [full page]
 418   Video Software   Video-Sktech   1  Sinclair User 1 [full page]
 419   Video Software   Video-View   3  Sinclair User 1 [full page]
 420   Vortex   Cosmos   5  Sinclair User 5 [full page]
 421   Vortex   Quartet   5  Sinclair User 5 [full page]
 422   Vortex   Table Tutor   5  Sinclair User 5 [full page]
 423   Vortex   Triad   5  Sinclair User 5 [full page]
 424   Warren Newman   Anagram and Crossword   1  Sinclair User 6 [full page]
 425   Warren Newman   Personnel Record System   1  Sinclair User 6 [full page]
 426   Willden Services Limited   Pools prediction   1  Sinclair User Spectrum User Supplement 7 [full page]
 427   William Stuart Systems   The Composer   2  Sinclair User 7 [full page]
 428   Work Force   Renumber-Delete   1  Sinclair User 5 [full page]
 429   Work Force   Toolkit   1  Sinclair User 5 [full page]
 430   Work Force   Trader Jack   1  Sinclair User 4 [full page]
 431   Zed X Tra   X Trek II   1  Sinclair User 5 [full page]
 432   Zedex   Cassette 1   1  Sinclair User 1 [full page]
 433   Zedex   Cassette 2   1  Sinclair User 1 [full page]
 434   ZX SAS   Bridge   3  Sinclair User 6 [full page]
 435   ZX SAS   Club Lists   1  Sinclair User 8 [full page]
 436   ZX SAS   Freezer Inventory   1  Sinclair User 8 [full page]
 437   ZX SAS   Income Tax   3  Sinclair User 6 [full page]
 438   ZX SAS   Index/Retrieval System   3  Sinclair User 6 [full page]
 439   ZX SAS   Maths   1  Sinclair User 8 [full page]
 440   ZX SAS   Mortgage   1  Sinclair User 8 [full page]
 441   ZX SAS   Retail Accounting   3  Sinclair User 6 [full page]
 442   ZX SAS   Sales Ledger   3  Sinclair User 6 [full page]
 443   ZX SAS   Share Portfolio   1  Sinclair User 8 [full page]

List of MIA ZX81 Hardware (185)

#PublisherDescription#RefFirst mentionLink
 1   Abacus   Controller   5  Sinclair User 1 [full page]
 2   ADH Systems   Display interface   1  Sinclair User 5 [full page]
 3   Afdec Electronics   16K RAM   2  Sinclair User 5 [full page]
 4   Afdec Electronics   Keyboard   2  Sinclair User 7 [full page]
 5   AGF Hardware   AGF Joystick   1  Sinclair User 8 [full page]
 6   AGF Hardware   AGF Joystick Interface   1  Sinclair User 8 [full page]
 7   Artic   16K RAM   4  Sinclair User 5 [full page]
 8   Artic   32K RAM   2  Sinclair User 7 [full page]
 9   Artic   64K RAM   2  Sinclair User 7 [full page]
 10   Artic   Forth EPROM   1  Sinclair User 2 [full page]
 11   Audio Computers   128K RAM   2  Sinclair User 1 [full page]
 12   Audio Computers   32K RAM   3  Sinclair User 8 [full page]
 13   AVC Software   16K RAM   2  Sinclair User 3 [full page]
 14   B. A. Reader   Repeat Key   1  Sinclair User 5 [full page]
 15   B. A. Reader   Video Inverter   2  Sinclair User 5 [full page]
 16   B. Britten   Fingertip   1  Sinclair User 8 [full page]
 17   BASICare Microsystem   DROM   1  Sinclair User 8 [full page]
 18   BASICare Microsystem   Minimap   1  Sinclair User 8 [full page]
 19   BASICare Microsystem   PERICON a   1  Sinclair User 8 [full page]
 20   BASICare Microsystem   PERICON b   1  Sinclair User 8 [full page]
 21   BASICare Microsystem   PERICON c   1  Sinclair User 8 [full page]
 22   BASICare Microsystem   Persona module   2  Sinclair User 4 [full page]
 23   BASICare Microsystem   RAM16   1  Sinclair User 8 [full page]
 24   BASICare Microsystem   RAM64   1  Sinclair User 8 [full page]
 25   BASICare Microsystem   RAM8   1  Sinclair User 8 [full page]
 26   BASICare Microsystem   TOOLKIT   1  Sinclair User 8 [full page]
 27   BASICare Microsystem   USERFONT   1  Sinclair User 8 [full page]
 28   Bolton Electronics   Sound board   1  Sinclair User 3 [full page]
 29   Bridge Software   16K RAM Pack   4  Sinclair User 1 [full page]
 30   Bridge Software   64K RAM Pack   2  Sinclair User 4 [full page]
 31   Bytronic Associates   I/O port   1  Sinclair User 3 [full page]
 32   Cambridge Microelectronics   Camel Memic L 2K battery-backed RAM   1  Sinclair User 8 [full page]
 33   Cambridge Microelectronics   Camel Memic T 2K battery-backed RAM   1  Sinclair User 8 [full page]
 34   Cambridge Microelectronics   Camel Memic-81 2K battery-backed RAM   2  Sinclair User 8 [full page]
 35   Cambridge Microelectronics   Camel Memic-81.2 4K battery-backed RAM   2  Sinclair User 8 [full page]
 36   Cambridge Microelectronics   Camel PIO-81 8-bit port   2  Sinclair User 8 [full page]
 37   Cambridge Microelectronics   Camel ROM-81 EPROM board   2  Sinclair User 8 [full page]
 38   Capital Computers   16K RAM   1  Sinclair User 4 [full page]
 39   Capital Computers   Motherboard   1  Sinclair User 4 [full page]
 40   Capital Computers   Serial/Parallel interface board   1  Sinclair User 4 [full page]
 41   Caps   Byg Byte 16K RAM pack   3  Sinclair User 1 [full page]
 42   Cobra Technology Limited   Centronics Interface   1  Sinclair User 8 [full page]
 43   Cobra Technology Limited   Cobra 1000 Keyboard   1  Sinclair User 8 [full page]
 44   Cobra Technology Limited   Cobra Micro E   1  Sinclair User 8 [full page]
 45   Cobra Technology Limited   Motherboard, 2 sockets   1  Sinclair User 8 [full page]
 46   Cobra Technology Limited   Motherboard, 3 sockets   1  Sinclair User 8 [full page]
 47   Cobra Technology Limited   Motherboard, 4 sockets   1  Sinclair User 8 [full page]
 48   Cobra Technology Limited   Motherboard, 5 sockets   1  Sinclair User 8 [full page]
 49   Cobra Technology Limited   RS232 Interface   2  Sinclair User 7 [full page]
 50   Compshop   Slow mode kit   1  Sinclair User 1 [full page]
 51   Compusound   Telesound 82   1  Sinclair User 1 [full page]
 52   Computer Keyboards   Keybaord   1  Sinclair User 1 [full page]
 53   Computer Keyboards   Metal keyboard   1  Sinclair User 1 [full page]
 54   Computex   Computex case   4  Sinclair User 5 [full page]
 55   Custom Cases   ZX81 Briefcase   1  Sinclair User 7 [full page]
 56   D. Bruce Electronics   Tape recorder interface unit   1  Sinclair User 2 [full page]
 57   D. Bruce Electronics   Video amp. unit   1  Sinclair User 2 [full page]
 58   D. Fritsch   Video Inverter   5  Sinclair User 4 [full page]
 59   D. Hutchinson   Character generator board   1  Sinclair User 8 [full page]
 60   Data-assette   E312 Tape Drive   4  Sinclair User 1 [full page]
 61   Data-assette   E399 Cassette Recorder   1  Sinclair User 6 [full page]
 62   Data-assette   ZX99   12  Sinclair User 1 [full page]
 63   DCP   A Pack D/A Port   1  Sinclair User 2 [full page]
 64   DCP   C Pack Relay   1  Sinclair User 2 [full page]
 65   DCP   P Pack 5K I/O Port   1  Sinclair User 2 [full page]
 66   DCP   Speech Pack   1  Sinclair User 4 [full page]
 67   Dean Electronics   Dean Electronics Keyboard (metal case)   2  Sinclair User 4 [full page]
 68   Dean Electronics   Keyboard bare   1  Sinclair User 4 [full page]
 69   Dean Electronics   Metal case   1  Sinclair User 4 [full page]
 70   Dean Electronics   Thermal Printer   3  Sinclair User 6 [full page]
 71   Digital Integration   Motherboard   2  Sinclair User 1 [full page]
 72   dK'tronics   16K RAM   8  Sinclair User 1 [full page]
 73   dK'tronics   2K RAM   3  Sinclair User 1 [full page]
 74   dK'tronics   64K RAM   4  Sinclair User 5 [full page]
 75   dK'tronics   Keyboard   4  Sinclair User 1 [full page]
 76   dK'tronics   Keyboard cased with numeric keypad   4  Sinclair User 5 [full page]
 77   dK'tronics   Keyboard numeric keypad   4  Sinclair User 1 [full page]
 78   dK'tronics   Keyboard uncased with numeric keypad   4  Sinclair User 5 [full page]
 79   dK'tronics   ZXED EPROM   6  Sinclair User 4 [full page]
 80   Downsway Electronics   16K RAM   1  Sinclair User 3 [full page]
 81   Downsway Electronics   64K RAM   1  Sinclair User 3 [full page]
 82   East London Robotics   2-8K RAM   2  Sinclair User 2 [full page]
 83   Eprom Services   EPROM board   1  Sinclair User 3 [full page]
 84   Filesixty   Buttonset keyboard   1  Sinclair User 8 [full page]
 85   Fountain Computers   Programmable Colour Character Generator   1  Sinclair User 3 [full page]
 86   Frome Computing   Keyboard   3  Sinclair User 1 [full page]
 87   Fulcrum Products   Keyboard bleeper   4  Sinclair User 4 [full page]
 88   Fulcrum Products   Loading aid   2  Sinclair User 8 [full page]
 89   Fuller Micro Systems   16K RAM   5  Sinclair User 2 [full page]
 90   Fuller Micro Systems   64K RAM   5  Sinclair User 2 [full page]
 91   Fuller Micro Systems   Motherboard   4  Sinclair User 2 [full page]
 92   Fuller Micro Systems   Standard keyboard 38.75 built   1  Sinclair User 1 [full page]
 93   Fuller Micro Systems   Standard keyboard 38.80 built   2  Sinclair User 1 [full page]
 94   Fuller Micro Systems   Upgradeable 16K RAM   1  Sinclair User 4 [full page]
 95   G. M. Harris   CF81 cassette filter   2  Sinclair User 3 [full page]
 96   Gordon Electronics   16K RAM Pack   2  Sinclair User 4 [full page]
 97   Gordon Electronics   Keyboard   3  Sinclair User 4 [full page]
 98   Gordon Electronics   Keyboard and case   3  Sinclair User 4 [full page]
 99   Griffin and George   Analogue Pack CRA-724-520D   1  Sinclair User 6 [full page]
 100   Griffin and George   Control Pack CRA-724-540U   1  Sinclair User 6 [full page]
 101   Griffin and George   RAM-I/O Pack CRA-720-H   1  Sinclair User 6 [full page]
 102   Harris and Lockyer Associates   Professional 40 key keyboard   3  Sinclair User 7 [full page]
 103   Haven Hardware   3K RAM   1  Sinclair User 5 [full page]
 104   Haven Hardware   Chrs board   2  Sinclair User 2 [full page]
 105   Haven Hardware   Colour Board   3  Sinclair User 1 [full page]
 106   Haven Hardware   I/O Port   1  Sinclair User 5 [full page]
 107   Haven Hardware   Inverse Video Module   1  Sinclair User 5 [full page]
 108   Haven Hardware   Keyboard   1  Sinclair User 5 [full page]
 109   Haven Hardware   Keyboard module   2  Sinclair User 2 [full page]
 110   Hewson Consultants   16K RAM   6  Sinclair User 1 [full page]
 111   Hewson Consultants   48 + 8K RAM   5  Sinclair User 3 [full page]
 112   Hilderbay   16K RAM Pack   5  Sinclair User 3 [full page]
 113   JRS Software   64K RAM Pack   5  Sinclair User 4 [full page]
 114   JRS Software   Econo Tech 16K RAM   2  Sinclair User 7 [full page]
 115   Kayde Electronic Systems   Cased keyboard   7  Sinclair User 1 [full page]
 116   Kayde Electronic Systems   Keyboard case   6  Sinclair User 1 [full page]
 117   Kayde Electronic Systems   Uncased keyboard   6  Sinclair User 1 [full page]
 118   Kempston Micro Electronics   Educase   1  Sinclair User 4 [full page]
 119   Kempston Micro Electronics   I/O Port   4  Sinclair User 4 [full page]
 120   Kempston Micro Electronics   Keyboard auto-repeat   1  Sinclair User 8 [full page]
 121   Kempston Micro Electronics   Keyboard bleeper   2  Sinclair User 4 [full page]
 122   Kempston Micro Electronics   Klik-keyboard 41-key version   3  Sinclair User 6 [full page]
 123   Lander Micro Systems   LMX Eprom Programmer   1  Sinclair User 7 [full page]
 124   Macronics   16K RAM pack   4  Sinclair User 1 [full page]
 125   Maplin   Keyboard with electronics LW72P   1  Sinclair User 8 [full page]
 126   Memotech   Digitising Tablet   7  Sinclair User 2 [full page]
 127   Memotech   RS232 Interface   7  Sinclair User 2 [full page]
 128   Mikro-Gen   A/D converter board   7  Sinclair User 1 [full page]
 129   Mikro-Gen   Joystick   8  Sinclair User 1 [full page]
 130   Mikro-Gen   Joystick controller board   1  Sinclair User 2 [full page]
 131   Mindware   16 Column Printer   1  Sinclair User 6 [full page]
 132   Monolith Electronics   5 1/4" disc drive   1  Sinclair User 3 [full page]
 133   Monolith Electronics   ERC81 tape recorder   2  Sinclair User 1 [full page]
 134   Orme Electronics   Eprom Programmed with Breakout, life and toolkit   2  Sinclair User 6 [full page]
 135   Orme Electronics   Eprom Programmer   1  Sinclair User 6 [full page]
 136   Orme Electronics   Eprom-read Card   2  Sinclair User 6 [full page]
 137   Peter Furlong Products   ZX81 Workstation   3  Sinclair User 2 [full page]
 138   Phoenix Marketing   32K RAM   2  Sinclair User 6 [full page]
 139   Phoenix Marketing   64K RAM   2  Sinclair User 6 [full page]
 140   Phoenix Marketing   Byg Byte 16K RAM   6  Sinclair User 2 [full page]
 141   Phoenix Marketing   Byger Byte 32K+ RAM   2  Sinclair User 6 [full page]
 142   Phoenix Marketing   Keyboard   2  Sinclair User 6 [full page]
 143   Phoenix Marketing   Tape loading interface   2  Sinclair User 6 [full page]
 144   Pretorius Systems   16K RAM   2  Sinclair User 3 [full page]
 145   Pretorius Systems   64K RAM   2  Sinclair User 3 [full page]
 146   Quicksilva   QS 3K RAM   5  Sinclair User 1 [full page]
 147   Quicksilva   QS Hi-res board   10  Sinclair User 1 [full page]
 148   Quicksilva   QS Printerface   2  Sinclair User 3 [full page]
 149   RD Laboratories   Light pen (RD 8180)   1  Sinclair User 2 [full page]
 150   RD Laboratories   Micro-mum (RD8100)   2  Sinclair User 2 [full page]
 151   RD Laboratories   Mini-mum   1  Sinclair User 1 [full page]
 152   RD Laboratories   Super-mum   1  Sinclair User 1 [full page]
 153   Redditch Electronics   I/O port   3  Sinclair User 1 [full page]
 154   Redditch Electronics   Keyboard   4  Sinclair User 1 [full page]
 155   Redditch Electronics   Music board   3  Sinclair User 1 [full page]
 156   Sinclair Research   8K BASIC ROM   3  Sinclair User 1 [full page]
 157   Stonechip Electronics   16K Expansion Module 8116E   2  Sinclair User 6 [full page]
 158   Stonechip Electronics   32K RAM   2  Sinclair User 7 [full page]
 159   Stonechip Electronics   32K RAM 8132   2  Sinclair User 6 [full page]
 160   Stonechip Electronics   ZX-PANDA 16K Expansion Module   2  Sinclair User 7 [full page]
 161   Stripeland   Mains interface   1  Sinclair User 5 [full page]
 162   Stripeland   Remote control unit   1  Sinclair User 5 [full page]
 163   Taurus   8K EPROM Utilities Module   2  Sinclair User 4 [full page]
 164   Taurus   Assembler EPROM   1  Sinclair User 6 [full page]
 165   Taurus   Machine Code Monitor EPROM   2  Sinclair User 4 [full page]
 166   Taurus   RAM pack system   3  Sinclair User 4 [full page]
 167   Taurus   Wordprocessing EPROM   2  Sinclair User 4 [full page]
 168   Technomatic   I/O port   1  Sinclair User 1 [full page]
 169   Thurnall Electronics   4 Channel relay box   5  Sinclair User 2 [full page]
 170   Thurnall Electronics   8 way indicator unit   4  Sinclair User 3 [full page]
 171   Thurnall Electronics   8 way switch unit   2  Sinclair User 3 [full page]
 172   Thurnall Electronics   8 way transistor driver   4  Sinclair User 3 [full page]
 173   Thurnall Electronics   Joystick   3  Sinclair User 3 [full page]
 174   Thurnall Electronics   Motherboard   4  Sinclair User 3 [full page]
 175   TV Services of Cambridge   KAT (Keyboard audio tone)   1  Sinclair User 4 [full page]
 176   University Computers   Option A board (analogue/EPROM)   1  Sinclair User 3 [full page]
 177   University Computers   Option B board (analogue/EPROM/clock)   1  Sinclair User 3 [full page]
 178   Watford Electronics   Motherboard   1  Sinclair User 3 [full page]
 179   Watford Electronics   PIO Card   1  Sinclair User 3 [full page]
 180   Watford Electronics   PROM card   1  Sinclair User 3 [full page]
 181   Watford Electronics   PROM Programmer   1  Sinclair User 3 [full page]
 182   Watford Electronics   Sound card   1  Sinclair User 3 [full page]
 183   William Stuart Systems   Big Ears Speech Recognition   3  Sinclair User 3 [full page]
 184   William Stuart Systems   Music Synthesiser   3  Sinclair User 3 [full page]
 185   William Stuart Systems   Speech Recognition   1  Sinclair User 1 [full page]

List of MIA ZX81 Books (28)

#PublisherDescription#RefFirst mentionLink
 1   Ad-Lib   Graphics Plotter Sheet   1  Sinclair User 6 [full page]
 2   C. Jefferies   Bingo on 1K listing   2  Sinclair User 6 [full page]
 3   ECC Publications   Good Computing book for Beginners   2  Sinclair User 1 [full page]
 4   Electric Pencil Company   40 essential PEEKS + POKES for you Spectrum or ZX81   1  Sinclair User Spectrum User Supplement 7 [full page]
 5   Hewson Consultants   Z80 Op Codes   7  Sinclair User 1 [full page]
 6   Interface   20 Simple Electronic Projects for the ZX81 or ZX80   6  Sinclair User 5 [full page]
 7   Interface   34 Amazing Games for the 1K ZX81   5  Sinclair User 1 [full page]
 8   Interface   Pascal for Human Beings   2  Sinclair User 5 [full page]
 9   J. W. M. Wright   20 Superb Machine Code Routines   1  Sinclair User 8 [full page]
 10   Melbourne House   ZX81 ROM Disassembly Part B   6  Sinclair User 3 [full page]
 11   Newnes Microcomputer Books   26 BASIC Programs for your Micro   2  Sinclair User 1 [full page]
 12   Newnes Microcomputer Books   Microprocessors for Hobbyists   2  Sinclair User 1 [full page]
 13   Newnes Microcomputer Books   Q & A on Personal Computing   2  Sinclair User 1 [full page]
 14   P. L. Donovan   Learn with your Sinclair Micro-computer   1  Sinclair User 5 [full page]
 15   Paul Shreeve Software   Primary Science   1  Sinclair User 3 [full page]
 16   Print 'n' Plotter Products   Print 'n' plotter leaflet   1  Sinclair User 1 [full page]
 17   Print 'n' Plotter Products   Print 'n' plotter manual   4  Sinclair User 2 [full page]
 18   Shiva Publishing   Computer Puzzles: For Spectrum and ZX81   2  Sinclair User Spectrum User Supplement 6 [full page]
 19   Softest   Basic   1  Sinclair User 3 [full page]
 20   Softest   M/Code   1  Sinclair User 3 [full page]
 21   Timedata   Explorer's Guide to the ZX81   5  Sinclair User 3 [full page]
 22   Unknown   20 Simple Electronic Games for the ZX81   1  Sinclair User 4 [full page]
 23   Unknown   34 Amazing Games for the 1K ZX81   1  Sinclair User 4 [full page]
 24   Unknown   Computer Puzzles - For Spectrum and ZX81   1  Sinclair User 8 [full page]
 25   Unknown   Learning to use the ZX81 Computer   4  Sinclair User 4 [full page]
 26   Unknown   Making the Most of Your ZX81   1  Sinclair User 8 [full page]
 27   Unknown   More Real Applications for the ZX81 and Spectrum   1  Sinclair User 8 [full page]
 28   Unknown   Stretching your ZX81 or ZX80 to its limits   1  Sinclair User 1 [full page]