VGA_ATR_AD
PUTB(reg, VGA_ATR_AD, i);
PUTB(reg, VGA_ATR_AD, VGA_ATR_ENB_PLT);
PUTB(reg, VGA_ATR_AD, i);
PUTB(reg, VGA_ATR_AD, v);
PUTB(reg, VGA_ATR_AD, VGA_ATR_ENB_PLT);
outb(VGA_REG_ADDR + VGA_ATR_AD, index);
outb(VGA_REG_ADDR + VGA_ATR_AD, val);
outb(VGA_REG_ADDR + VGA_ATR_AD, VGA_ATR_ENB_PLT);
outb(VGA_REG_ADDR + VGA_ATR_AD, index);
outb(VGA_REG_ADDR + VGA_ATR_AD, VGA_ATR_ENB_PLT);