; Bold font
GB_DIGITS = 0A0h
gb_0_ = GB_DIGITS + 0
gb_1_ = GB_DIGITS + 1
gb_2_ = GB_DIGITS + 2
gb_3_ = GB_DIGITS + 3
gb_4_ = GB_DIGITS + 4
gb_5_ = GB_DIGITS + 5
gb_6_ = GB_DIGITS + 6
gb_7_ = GB_DIGITS + 7
gb_8_ = GB_DIGITS + 8
gb_9_ = GB_DIGITS + 9
gb_A_ = 0AAh
gb_C_ = 0ACh
gb_D_ = 0ADh
gb_E_ = 0AEh
gb_G_ = 0B0h
gb_H_ = 0B1h
gb_I_ = 0B2h
gb_L_ = 0B5h
gb_N_ = 0B6h ; gb_MN_BUG
gb_M_ = 0B7h ; gb_MN_BUG
gb_O_ = 0B8h
gb_R_ = 0BBh
gb_S_ = 0BCh
gb_T_ = 0BDh
gb_U_ = 0BEh
gb_X_ = 0C1h
gb_Y_ = 0C2h