AV=24; AFIG=1B; AB=7E; 
AFCU=  0C; AFCD=  0B; AFCR=10; AFCL=8; AFCH=  12
AFMU=1B0C; AFMD=1B0B; AFMR=10; AFML=8; AFMH=1B12
AFMB=0D; AFES=; AFER=1B18; AFEK=; AFEL=1B0F
AFAC=1B11; AFIL=1B1A; AFDL=1B13;
\* AFRV=1B1F;    high intensity used as reverse video *\
\* AFNV=1B1920;  low intensity for normal video, space (20H) required *\