EGA_BASE 158 kernel/arch/amd64/src/amd64.c outdev_t *egadev = ega_init(EGA_BASE, EGA_VIDEORAM); EGA_BASE 148 kernel/arch/ia32/src/ia32.c outdev_t *egadev = ega_init(EGA_BASE, EGA_VIDEORAM); EGA_BASE 177 kernel/arch/ia64/src/ia64.c outdev_t *egadev = ega_init(EGA_BASE, EGA_VIDEORAM);HelenOS homepage, sources at GitHub