# TODO: read arch/p/cosmac/plugin.c and finish this
ldn=load D with (R)
idl=idle or wait for interrupt or dma request
inc=increment
dec=decrement
irx=increment register X
plo=put low register
phi=put high register
ghi=get high register
sep=set program counter register
sex=set register as data pointer
stpc=stop counter
sret=standard return to (R)
rsxd=store register in memory
dadd=decimal add
dsm=decimal substract memory
