What horror must the ignorant victim undergo as it becomes aware of a being that lives inside its own body, growing ever stronger, reproducing itself until its host, unable to bear more finally colapses and dies an horrible death. What panic it must feel, knowing nothing can be done in time to avoid such a terrible fate. A predator so tiny, that unsuspectedly it spreads from one host to another, by so rapidly infecting millions. An organism, so utterly resourceful ...
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Last month I covered how to implement high-level calls in Nasm. Since then it has come to my attention that many beginning programmers are unfamiliar with calling conventions and the stack frame; to remedy this I have prepared a brief discussion of these topics.

We will learn how to receive and respond to mouse input in our window procedure. The example program will wait for left mouse clicks and display a text string at the exact clicked spot in the client area.

A simple one-button application will not get you very far in the X world. A good application must have multiple components, including menus, dialog boxes, application windows, and accelerators. In this article I will present the use of Xt menus in assembly language as a first step towards producing a complete application; future articles will cover the integration of forms, dialog boxes, and other resources into a complete application.

I presented some Xt macros for Nasm last issue, ...
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[I am going to preface this article with a brief note, since it is not covering assembly language per se, but rather a utility that will be of use to asm coders. The author sums it up well in his original email to me: "Define is a new type of assembler/disassembler that does not use source code. The program reads the byte values in memory and checks a library to find a definition that describes the byte values it reads. The library can be added to and is used as a permanent macro li...
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[Another preface, I must be getting wordy in my old age. I received this code from iCE as a potential snippet or challenge; I chose to include it as the latter, for it put a nice spin on one of the classic asm learning programs: the VGA fire demo.

This article will discuss how to use COM interfaces in your assembly language programs. It will not discuss what COM is and how it is used, but rather how it can be used when programming in assembler. It will discuss only how to use existing interfaces, and not how to actually implement new ones; this will be shown in a future atricle.

I have been coding for FreeDOS some time, but that is a C project and I rather hate C. It is so clumsy. That's also why I always code in A86 assembly language. The "No Red Tape" assembler that makes life a lot easier for programmers.

A86 is good. The debugger (D86) could be better, but not too much. I registered my version and I want to encourage everyone to follow my lead. The software is good enough to pay for it. And it ensures proper development of the software. If...
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