Kevin Boone

January 2022

Multi-source Z80 assembly programming for CP/M (Jan 2022)

How to use Microsoft's Macro80 and Link80 utilities on CP/M, to build a program consisting of multiple assembly-language files.

Categories: retrocomputing, Z80, assembly

Writing new interactive fiction games for CP/M using PunyInform and Linux (Jan 2022)

It's still possible to write text adventure games for CP/M and other small, vintage computers. Here is one approach, using Linux as the development platform.

Categories: retrocomputing, Z80

Converting a floating-point number to a fraction (approximately) using continued fraction expansion (Jan 2022)

A detailed description of a method for performing this common numerical conversion, with C source code.

Categories: mathematics, C


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