HRS              3542 drivers/video/fbdev/sis/init.c    unsigned short HRE, HBE, HRS, HBS, HDE, HT;
HRS              3558 drivers/video/fbdev/sis/init.c    HRS = crdata[4] | ((unsigned short)(sr_data & 0xC0) << 2);
HRS              3559 drivers/video/fbdev/sis/init.c    F = HRS - E - 3;