If you’re one of the people who has built yourself a Lisp Badge, there’s a new version of the firmware available which updates uLisp to the latest version, 4.1a.
Get the new version from GitHub:
https://github.com/technoblogy/lisp-badge
It has many improvements over the previous firmware release, including:
-
An improvement to the serial interface, to allow you to upload long programs in a single operation without buffer overflows.
-
The new implementation of symbols introduced in uLisp Version 4.0, using the workspace rather than a separate symbol table.
-
The register function, which allows you to read the values of the peripheral registers, or write values to the registers.
For details of the register function, and examples, see: Lisp Badge.