Appears On
A table-driven Z80 assembler written entirely in BASIC supports the full instruction set, symbol tables, forward references, and optional tape-based source merging.
A full Z80 disassembler and machine code monitor that decodes every opcode prefix, supports symbol tables loaded from tape, and outputs to screen or printer.
A handy on-screen reference table renders all 64 paper and ink color combinations, showing their attribute byte values styled in the actual colors they represent.
Demonstrates the use of binary numbers and calculates them from other number systems.
Enter an activity number and exercise duration to instantly calculate calories burned and the equivalent weight loss in both kilograms and pounds.
Generates inserts for plastic cassette boxes.
Draw complete electronic circuit diagrams interactively, placing resistors, capacitors, transistors, diodes, and more using simple single-key commands.
A 2068 version archival copying utility.
A complete menu-driven database system lets you design custom record layouts, sort, search, edit, and archive data to tape using embedded machine code routines.
Draws on the screen and prints out a grid to help in the design of screen graphics and UDGs.
A hex code loading utility.
Moves the starting addresses of relocatable machine code.
Sophisticated data base program, based on the original MULTIFILE written for the ZX81.
A 17-category imperial-to-metric converter that uses a compact comma-delimited factor string and a computed GO TO dispatch table to handle everything from teaspoons to tons.
A tape cataloging utility that POKEs machine code to read raw cassette headers and stores up to 400 program entries across searchable arrays.
Decodes the banding on resistors.
A modem utility that hides and restores BASIC variables and machine code by embedding callable routines directly inside a REM statement for over-the-wire transfer.
A utility demonstrating a number of different effects made possible by the SOUND command.
Peek inside the streams and channels tables live in RAM — this diagnostic tool decodes every address, routine pointer, and device specifier byte on screen.
A machine-code routine that places a small window in the upper left corner of the screen that displays what line
A telephone number data base.
Display both the line currently being executed and the statement number within the current line.
A surprisingly capable flat-file database packed into BASIC, using a 28,000-character buffer, binary search insertion, and live record compaction on delete.
A 173-byte machine code utility reveals every BASIC variable currently in memory — just call it with RANDOMIZE USR to inspect your program's state.
