ldn=Load D with (R)
idl=Idle or wait for interrupt or DMA request
inc=Increment (R)
dec=Decrement (R)
br=Short branch
bq=Short branch on Q=1
bz=Short branch on D=0
bdf=Short branch on DF=1
b1=Short branch on EF1=1
b2=Short branch on EF2=1
b3=Short branch on EF3=1
b4=Short branch on EF4=1
skp=Skip next byte
bnq=Short branch on Q=0
bnz=Short branch on D!=0
bnf=Short branch on DF=0
bn1=Short branch on EF1=0
bn2=Short branch on EF2=0
bn3=Short branch on EF3=0
bn4=Short branch on EF4=0
lda=Load D from (R), increment R
str=Store D to (R)
irx=Increment register X
out=Output (R(X)); Increment R(X), N=
doublefetch=Opcode for double fetched instructions
inp=Input to (R(X)) and D, N=
ret=Return from interrupt, set IE=1
dis=Disable. Return from interrupt, set IE=0
ldxa=Load via X and advance
stxd=Store via X and decrement
adc=Add with carry
sdb=Subtract D with borrow
shrc=Shift right with carry
smb=Subtract memory with borrow
sav=Save
mark=Push X,P; mark subroutine call
req=Reset Q=0
seq=Set Q=1
adci=Add with carry immediate
sdbi=Subtract D with borrow immediate
shlc=Shift left with carry
smbi=Subtract memory with borrow, immediate
glo=Get low register R
ghi=Get high register R
plo=Put low register R
phi=Put high register R
lbr=Long branch
lbq=Long branch on Q=1
lbz=Long branch on D=0
lbdf=Long branch on DF=1
nop=No operation
lsnq=Long skip on Q=0
lsnz=Long skip on D!=0
lsnf=Long skip on DF=0
lskp=Long skip
lbnq=Long branch on Q=0
lbnz=Long branch on D!=0
lbnf=Long branch on DF=0
lsie=Long skip on IE=1
lsq=Long skip on Q=1
lsz=Long skip on D=0
lsdf=Long skip on DF=1
sep=Set P=R as program counter
sex=Set P=R as datapointer
ldx=Pop stack. Place value in D register
or=Logical OR D with (R(X))
and=Logical AND: D with (R(X))
xor=Logical exclusive OR D with (R(X))
add=Add D: D,DF= D+(R(X))
sd=Subtract D: D,DF=(R(X))-D
shr=Shift right D
sm=Subtract memory: DF,D=D-(R(X))
ldi=Load D immediate
ori=Logical OR D with value
ani=Logical AND D with value
xri=Logical XOR D with value
adi=Add D,DF with value
sdi=Subtract D,DF from value
shl=Shift left D
smi=Subtract D,DF to value
stpc=stop counter
dtc=decrement timer/counter
spm2=set pulse width mode 2 and start
scm2=set counter mode 2 and start
spm1=set pulse width mode 1 and start
scm1=set counter mode 1 and start
ldc=load counter
stm=set timer mode and start
gec=get counter
etq=enable toggle Q
xie=external interrupt enable
xid=external interrupt disable
cie=counter interrupt enable
cid=counter interrupt disable
invalid=INVALID INSTRUCTION
dbnz=decrement R and long branch if not 0
bci=short branch on counter interrupt
bxi=short branch on external interrupt
rlxa=load memory to R
dadc=decimal add with carry
dsav=save T,D,DF
dsmb=decimal subtract memory with borrow
daci=decimal add with carry immediate
dsbi=decimal subtract memory with borrow, immediate
scal=standard call to (R)
sret=standard return to (R)
rsxd=store register R in memory
rnx=copy register R to R(X)
rldi=register load immediate R
dadd=decimal add
dsm=decimal subtract memory
dadi=decimal add immediate
dsmi=decimal subtract memory, immediate