bob00 	= $00000
msk00 	= $00480
bob01 	= $005a0
msk01 	= $008a0
bob02 	= $00960
msk02 	= $00b60
bob03 	= $00be0
msk03 	= $00ce0
bob04 	= $00d20
msk04 	= $00ef0
