display.c the code running on the LED sign (sdcc) tokenizer.c the tokenizer running on a PC (gcc) demo.led a small demo (in LED programming language) demo1.led another demo (in LED programming language) defaults.h some defaults needed for display ds5000.h some extra registers found on the DS5000 font5x7.h the LED sign font tokens.h tokenlist used by display.c and tokenizer.c upload compiles the sdcc code and uploads it to the DS5000