UPD77110GC NEC [NEC], UPD77110GC Datasheet - Page 34

• Manufacturer Part Number: UPD77110GC
• Description: 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
• Manufacturer: NEC [NEC]

9.2 Instruction Set and Operation
format of that instruction. If two or more parameters can be written, select one of them.
(a) Representation formats and selectable registers
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An operation is written in the operation field for each instruction in accordance with the operation representation
The following table shows the representation formats and selectable registers.
r0, r0 , r0
rI, rI
rh, rh
re
reh
dp
dn
dm
dpx
dpy
dpx_mod
dpy_mod
dp_imm
*xxx
Representation Format
R0 - R7
R0L - R7L
R0H - R7H
R0E - R7E
R0EH - R7EH
DP0 - DP7
DN0 - DN7
DMX, DMY
DP0 - DP3
DP4 - DP7
DPn, DPn++, DPn
DPn, DPn++, DPn
DPn##imm (n = 0 - 7)
Contents of memory with address xxx
<Example> If the contents of the DP0 register are 1000, *DP0 indicates the contents of
address 1000 of the memory.
Data Sheet U12801EJ4V0DS00
, DPn##, DPn%%, !DPn## (n = 0 - 3)
, DPn##, DPn%%, !DPn## (n = 4 - 7)
Selectable Register
PD77110, 77111, 77112