(MESS) DEC Rainbow updates: [Bavarese]
- rainbow.c: wired watchdog (MHFLU) and W18 (DSR). Dangerous W90 (PSU jumper) on PCB documented. Pallette handling changed, moved screen blank routine to vtvideo.c
- dec_lk201.c: keyboard matrix from LK-201-AA (VCB02) (original 8051 version)
- Vtvideo.c: monochrome palette with 4 intensities (instead of 3). Ironed out attribute bugs (-> truth table from VT100). Double-width, double-height corrected