Set the mode of your devices: - send ESC/P control codes for 80/132 cols and 6/8 lpi to printer - redirect printer to NUL or serial port - set serial port parameters - do codepage operations and display status of DISPLAY - select 40/80/132x25/28/43/50/60 screen mode or select x8/14/16 font, availability depending on your hardware. Shift CGA display sideways. - control and check switchar and keyboard (num/...) lock states - control keyboard repeat rate and delay
Author
K. Heidenstrom <kheidens@actrix.gen.nz>, Eric Auer <eric@coli.uni-sb.de>