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Modula-2 Compilers on CP/M

Modula-2 is a great language in general and is a good choice for programming on CP/M. There are three good compilers available for CP/M which all require a Z80 processor and we'll compare each in turn...   Read More

Is SUBLEQ the Right Choice for a VM?

SUBLEQ is an interesting architecture because of its simplicity, adaptability and power. It is therefore an attractive choice for a simple virtual machine. However, this comes at a cost which we will...   Read More

XCCP: A Shell Extension for CP/M

XCCP describes itself as an Extended Console Command Processor for CP/M. It supports the 8080 and v1.0 was released by Anton R. Fleig in 1984. Like EPEX, XCCP doesn't require installing so we can begi...   Read More

EPEX: An Environment Extension for CP/M

Epex is an evironment extension for CP/M. It stands for Environmental Processing EXecutive, and v1.1 was released by James H. Whorton in 1986. It can make using CP/M much more comfortable at the cost...   Read More

File Comparison Utilities on CP/M

There are many utilities available for CP/M to compare the differences between files and to distribute those differences. All the utilities in this article can be found on the Walnut Creek CD. Binary ...   Read More

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