Games One
Match23, Battlecard, Gunner, Mugwumps and Snark. 2K.
Timex/Sinclair 1000
Gamestape 5: 3D Defender
You have to save your home planet from the marauding alien spacecraft. Your view screen shows you in 3-D the view out your fighter cockpit window. The background moves when you turn or fly up or down, just as if you were really flying it. The enemy craft will actually zoom towards you and shoot
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Graphic Calculator
Turn your computer into a full graphics calculator able to display equation with result. 1K.
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Word Puzzle/Yahtzee
Guess phrase, title or name by guessing one letter at a time. Play against the computer or opponents. 16K.
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MEMIC-81
Contains one or two 2K (6116) CMOS RAM chips. Memory is addressed into the ROM area from 8K-16K in the ZX-81 memory map. The address at which each chip appears can be adjusted to any 2K section within that area. Lithium battery in the unit provides a back-up power while the computer is switched off.
ROM-81
Store useful routines and commonly used information in EPROM. Accepts either 2716 or 2732 EPROMs to allow up to 8K of memory in 2K byte increments. Separate 2K and 4K decoding is link selectable. Mapped to the 8-16K area in the TS 1000 memory map.
Software of the Month Club
Receive twelve programs per month. 15K.
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