instructions
p -> w
LDW -> loads a word from zero page address p
LDWw -> loads a word from absolute address p
LDWx -> loads a word from zero page address x
LDWxw -> loads a word from absolute address xw
LDWy -> loads a word from vpage address y
LDWyw -> loads a word from absolute address yw
LDWxy -> loads a word from zero page addresses x and then y
LDWxyw -> loads a word from absolute page addresses xw and then yw