µ[micro]electronics info

A weblog focused on interesting circuits, ideas, schematics and other information about microelectronics and microcontrollers.




Because I have not tested all electronic circuits mentioned on this pages, I cannot attest to their accuracy; therefore, I do not provide a warranty of any kind and cannot be held responsible in any manner.

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Something nostalgic: QP/M is a time/date stamping and speedy CP/M 2.2 replacement that fits in the same memory space.

QP/M was developed by MICROCode Consulting back in the 80's. Today is still alive and completely free for personal use. It features:

# automatic time/date stamping of files using your computer's clock
# selectable common drive/user area with built-in program search
# faster disk throughput than CP/M 2.x BDOS
# powerful new transient commands and system calls in CCP
# automatic disk re-logging
# multiple commands per line
# completely replaces BDOS and CCP
# 100% compatibility with CP/M 2.2 residing in same space
# written in optimized Z-80 code

Read more and download at QP/M pages

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