add=add content of register to accumulator with carry adm=add main memory bbl=branch back and load clb=clear both(accumulator and carry) clc=clear carry cma=complement accumulator cmc=complement carry daa=decimal adjust accumulator dac=decrement accumulator dcl=designate command line fim=fetch immediate fin=fetch indirect iac=increment accumulator inc=increment register isz=increment and skip jcn=jump conditional jin=jump indirect jms=jump to subroutine jun=jump uncoditional kbp=keybord process ld=load content of register to accumulator ldm=load immediate nop=no operation ral=rotate left rar=rotate right rd0=read accumulator status char 0 rd1=read accumulator status char 1 rd2=read accumulator status char 2 rd3=read accumulator status char 3 rdm=read main memory rdr=read rom port sbm=subtract main memory src=send register control stc=set carry sub=subtract content of register to accumulator with borrow tcc=transfer carry and clear tcs=transfer carry subtract wmp=write accumulator to ram port wpm=write accumulator to ram port wr0=write accumulator to status char 0 wr1=write accumulator to status char 1 wr2=write accumulator to status char 2 wr3=write accumulator to status char 3 wrm=write accumulator to main memory wrr=write accumulator to rom port xch=exchange register with accumulator