CHIP emulator for the PC, with source code and executables for DOS systems. Also includes a bunch of games (all are included for the 48 in the SuperChip Library, though).
GL is a powerful game language for the HP 48. This contains the basic files, the documentation, the PC macro assembler, and the HP 48 assembler for GL version 1.1.
Startup password protection program with 4-digit password. For the S series prior to revision J. Beta version 2.8; also includes the stable version of 2.7.1.
Source code for a test program that reads the IR diode, influential in the early development of universal remote control programs but mostly just of historic interest today.
GROB compression/decompression routines using simple Run-Length Encoding. The unpacker is very small and fast for incorporation into other programs. Includes the famous "Lucy" test image.
Another implementation of Reversi.
Conversion to the 49G(+) of the Reversi game originally by Erik Bryntse and later updated by HPMANIAC.
Yet another Tetris implementation, with good graphics. For the G series.
Yet another Tetris implementation.
Yet another Tetris implementation, with good graphics. For the S series.