UPD77019-013 NEC, UPD77019-013 Datasheet - Page 29

• Manufacturer Part Number: UPD77019-013
• Description: 16 bits/ Fixed-point Digital Signal Processor
• Manufacturer: NEC

Notes 1.
Monadic
Load/store
2.
3.
One or both of a mnemonic pair can be written.
After execution of load/store, data is modified by mod.
One of following mnemonic should be selected: dest, dest' = {ro, reh, re, rh, rl}, source, source' = {re, rh, rl}.
Cumulation
Degression
Division
Parallel load/store
Section load/store
Note 1, Note 2
Note 1, Note 2, Note 3
Name
ro'+ = ro
ro'– = ro
ro'/ = ro
ro= dpx_mod ro'= dpy_mod
ro= dpx_mod
dest= dpx_mod dest'= dpy_mod
dest= dpx_mod
dpx_mod=rh ro= dpy_mod
dpx_mod=rh
dpx_mod=source dest= dpy_mod
dpx_mod=source
Mnemonic
dpy_mod=rh
dpy_mod=rh'
dpy_mod=source
dpy_mod=source'
ro'
ro'
if (sign(ro')==sign(ro))
else
if (sign(ro')==0
ro
ro
dest
dest
dpx
dpx
dpx
dpx
{ro'
{ro'
{ro'
ro'+ro
ro'–ro
dpx, ro'
dpx, dpy
rh, ro
rh, dpy
source, dest
source, dpy
(ro'–ro)<<1}
(ro'+ro)<<1}
ro'+1}
dpx, dest'
dpx, dpy
Operation
dpy
dpy
rh
rh'
source
dpy
source'
dpy
TRI.
DYAD. MONAD.
Concurrent Writing Processing
Load/
store
TRANS. IMM.
BR. LOOP.
CTL. OV
Flag