PD77210_15 Datasheet, PDF (42/76 Pages) Renesas Technology Corp – 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSOR

µPD77210, 77213
9.2 Instruction Set and Its Operation
Describe an operation in the operation field of each instruction in accordance with the description method of the
operation representation format of the instruction. If two or more elements are available, select one of them.
(a) Correspondence between representation format and selectable register
The representation format and selectable register are as follows:
Representation
Format
ro, ro’, ro”
rl, rl’
rh, rh’
re
reh
dp
dn
dm
dpx
dpy
dpx_mod
dpy_mod
dp_imm
*xxx
Selectable Register
R0 to R7
R0L to R7L
R0H to R7H
R0E to R7E
R0EH to R7EH
DP0 to DP7
DN0 to DN7
DMX, DMY
DP0 to DP3
DP4 to DP7
DPn, DPn++, DPn−−, DPn##, DPn%%, !DPn## (n = 0 to 3)
DPn, DPn++, DPn−−, DPn##, DPn%%, !DPn## (n = 4 to 7)
DPn## imm (n = 0 to 7)
Contents of memory at address ×××
(Example) If the contents of the DP0 register are 1000, *DP0 indicates
the contents of memory address 1000.
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Data Sheet U15203EJ3V0DS