CRTC_DISPLAY_DIS
val &= ~(CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS |
val |= (CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS);
val |= (CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS);
val |= (CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS |
val |= CRTC_DISPLAY_DIS;
~(CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS));
OUTREG(CRTC_EXT_CNTL, save_crtc_ext_cntl | CRTC_DISPLAY_DIS);