instructions
addr -- (addr)
LDB -> loads a byte from direct page address
LDBw -> loads a byte from absolute address
LDBx -> loads a byte from direct page address x
LDBxw -> loads a byte from address xw
LDBy -> loads a byte from direct page address y
LDByw -> loads a byte from address yw
LDBxy -> loads a byte from direct page addresses x and then y
LDBxyw -> loads a byte from absolute page addresses xw and then yw