//extern void beep(int ms);
-static char *vidmem; /* The video buffer, should be replaced by symbol in ldscript.ld */
+/* The video buffer, should be replaced by symbol in ldscript.ld */
+static char *vidmem;
+
int vga_line, vga_col;
extern int vga_inited; // it will be changed in pci_rom.c