LCG_FG_MASK
cur_bg = attr & LCG_FG_MASK;
cur_fg = attr & LCG_FG_MASK;
cur_bg = attr & LCG_FG_MASK;
cur_fg = attr & LCG_FG_MASK;
ss->ss_cur_bg = attr & LCG_FG_MASK;
ss->ss_cur_fg = attr & LCG_FG_MASK;
dot_fg = attr & LCG_FG_MASK;
dot_bg = attr & LCG_FG_MASK;
myattr = (fg & LCG_FG_MASK) | ((bg << 4) & LCG_BG_MASK);
dot_bg = attr & LCG_FG_MASK;
dot_fg = attr & LCG_FG_MASK;