VGA_SR01_SCREEN_OFF
sr1 |= VGA_SR01_SCREEN_OFF;
seqflags = VGA_SR01_SCREEN_OFF; /* Disable sequencer */
seqflags = VGA_SR01_SCREEN_OFF; /* Disable sequencer */
seqflags = VGA_SR01_SCREEN_OFF; /* Disable sequencer */
seqflags = VGA_SR01_SCREEN_OFF; /* Disable sequencer */