Machine language drawing program that features 8-directional drawing. 3 drawing modes, full ZX character set, ‘smart’ cursors, line and screen fill, output to TS 2040 or CAI printers, screen overlaying from tape or memory, and selectable speed repeating keys. 16K.
The Drawing System Read More »
Uses a flash card approach to supplement high school math classes and teach the user about calculations involving triangles and parallelograms with numerous graphical examples. 16K.
Fully programmable 256 x 192 pixel high-resolution display. Hi-Res-Basic monitor in 2K EPROM includes PAGE, PRINT, PLOT, (inc. LINE), SCROLL, INV, CLS, COPY. Includes lower case character set for word processing. Full dynamic control of user-definable graphics. Fits between ZX81 and RAM pack. 16K.
ZX81 High Resolution Graphics Pack Read More »
Detailed program listing for Integer program to illustrate various advanced programming techniques. Improve your programming skills while writing a new game program to capture your imagination.
Game design of “Lunar Lander,” a challenging space game. Kit shows in detail what should go into a good game pro- gram; covers display, design, and animation. Based on 8 step procedure of a “top down” design approach: general concept, displays, flow chart, algorithms, writing the program, type in the program, debug the program, modify
Beginning Game Design Read More »
Documentation packet that covers decoding a standard ASCII keyboard, decoding shift keys, reset, and repeat keys, and keyboard beeper.
Complete Keyboard Plans Read More »
Documentation packet that covers troubleshooting tips and plans for LOAD monitor and signal filtering.
Complete LOAD and SAVE Plans Read More »
Documentation packet that covers memory pack troubleshooting. Includes plans for constructing your own memory pack, EPROM reader and extending the memory of the 16K RAM pack up to 64K.
Complete Memory Plans Read More »
Documentation packet that covers video trouble shooting tips, UHF conversion, fine tuner for the RF modulator, direct and reverse video.
Complete Video Plans Read More »
Enter a number in any of the following bases: decimal, binary, octal, hexadecimal. Get the equivalent in the other bases. 16K.
Data Base Conversion Read More »
Eliminates redundancy in your programs. The instructions for this program include a section on the way to convert from flow diagrams to decision tables and back. The program will help you to trim a 15 by 15 table resulting in considerable memory savings. 16K.
