pos               134 console.c        int pos;
pos               138 console.c        pos = inb(CRTPORT+1) << 8;
pos               140 console.c        pos |= inb(CRTPORT+1);
pos               143 console.c          pos += 80 - pos%80;
pos               145 console.c          if(pos > 0) --pos;
pos               147 console.c          crt[pos++] = (c&0xff) | 0x0700;  // black on white
pos               149 console.c        if(pos < 0 || pos > 25*80)
pos               152 console.c        if((pos/80) >= 24){  // Scroll up.
pos               154 console.c          pos -= 80;
pos               155 console.c          memset(crt+pos, 0, sizeof(crt[0])*(24*80 - pos));
pos               159 console.c        outb(CRTPORT+1, pos>>8);
pos               161 console.c        outb(CRTPORT+1, pos);
pos               162 console.c        crt[pos] = ' ' | 0x0700;