Martin Krischik

Tools for manipulating memory dumps from HP-41CX emulators.

How-To patch and install firmware for your PX-41CX.

How-To install Firmware in your PX-41CX with macOS or Linux.

How-To make screenshots from your PX-41CX

How-To backup your PX-41CX using DUMP and LOAD.

How my PX-41CX assembly went and lessons I learned from the PC16C build.

PX-16C assembly

T602-T Test tape input/output.

T602-P Test printer output.

T603-E Test error conditions.