vga_set_crtc
vga_set_crtc(VGA_REG_ADDR, VGA_CRTC_CLAH, addr >> 8);
vga_set_crtc(VGA_REG_ADDR, VGA_CRTC_CLAL, addr & 0xff);
vga_set_crtc(VGA_REG_ADDR, VGA_CRTC_CSSL, s);
vga_set_crtc(VGA_REG_ADDR, VGA_CRTC_CESL, e);
extern void vga_set_crtc(vgaregmap_t reg, int i, int v);
vga_set_crtc(VGA_CRTC_CSSL, val);
vga_set_crtc(VGA_CRTC_CESL, msl);
vga_set_crtc(VGA_CRTC_CLAH, off >> 8);
vga_set_crtc(VGA_CRTC_CLAL, off & 0xff);
static void vga_set_crtc(int index, unsigned char val);
vga_set_crtc(&console->vga.regs, VGA_CRTC_CSSL, s);
vga_set_crtc(&console->vga.regs, VGA_CRTC_CESL, msl);
vga_set_crtc(&console->vga.regs, VGA_CRTC_CLAH, addr >> 8);
vga_set_crtc(&console->vga.regs, VGA_CRTC_CLAL, addr & 0xff);
vga_set_crtc(&console->vga.regs, VGA_CRTC_CSSL, s);
vga_set_crtc(&console->vga.regs, VGA_CRTC_CESL, msl);
vga_set_crtc(regs, VGA_CRTC_VRE,
vga_set_crtc(regs, i, VGA_CRTC_TEXT[i]);