Martin Irons (K2MI)

Location: New York

Articles (15)

TitleAuthor(s)PublicationDate
[If you have a logic probe … ]
Use logic probe to record state of ICs in the computer.
Martin Irons (K2MI)SyntaxSeptember 1981
8K ROMCALLS
Program scans the ROM up to 7679, building a stack of CALLED and CALLING addresses. Then it sorts and displays...
Martin Irons (K2MI)SyntaxDecember 1983
Bearcat 101 Scanner Program
Marty has had a lot of interest in his BC-101 program (see ad in previous QZX) and sent the program...
Martin Irons (K2MI)QZXJanuary 1984
Dear Editor
Letters with improvements programs; corrections; math error in 8K ROM; converting 4K ROM programs to 8K ROM; ZX80 users online.
Harold Lamkin
Alan Gayle
David Shulman
Martin Irons (K2MI)
Warren Schoettlin
Robert Keller
SyntaxJuly 1981
Dear Editor
Letters about issues assembling MicroAce; tv/cassette player placement; adapting programs; reverse video; cassette eavesdropper; amateur radio operators.
John Walsh
John Sampson
Colin Alexander
Bill Cotham
Bill Eder
Martin Irons (K2MI)
SyntaxFebruary 1981
How Many Bytes to the Line?
Subroutine determines the exact number of bytes used for each line of program instruction as well as an entire program.
Martin Irons (K2MI)SyntaxJanuary 1981
Line Renumbering
This program renumbers the line numbers in any other program in memory.
Martin Irons (K2MI)SyntaxMay 1981
Miscellaneous Utilities
Here’s four short, useful routines from Marty. One allows multiple numeric inputs at one time, the next allows multiple string...
Martin Irons (K2MI)QZXOctober 1983
New Publications
QZX newsletter serves amateur radio operators who own ZX80s, published by Martin Irons.
SyntaxMay 1981
Printing Strings Faster
Use a full-length string of characters to print a bar graph instead of plotting each section.
Martin Irons (K2MI)SyntaxAugust 1982
Program Improvements
Improvements to READ-DATA-RESTORE, Flower Plot, Income Tax program.
Martin Irons (K2MI)
Frank O'Hara
Bill Bruton
SyntaxJune 1982
QZX History
This issue represents the start of a second decade of publication for this version of QZX, so it is not...
Martin Irons (K2MI)
Alex Burr (K5XY)
QZXDecember 1992
Reduce 4K Loading Noise
4K ROM users: instead of building our Cassette Eavesdropper (Dec. 80) to reduce loading noise, try a dual mini-plug from...
Martin Irons (K2MI)SyntaxNovember 1981
The History of QZX
History of the ham radio focused computing magazine founded by Martin Irons.
Alex Burr (K5XY)Update MagazineApril 1993
ZX80 Group
Licensed hams using the Sinclair ZX80 or Microace now have a user net on single sideband. Contact Marty Irons, K2MI,...
Les SolomonPopular ElectronicsSeptember 1981

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