455A Datasheet, PDF (85/148 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

455A Group
INDEX LIST OF INSTRUCTION FUNCTION
Group-
ing
Mnemonic
Function
TAB
(A) ← (B)
Page
103 122
TBA
(B) ← (A)
110 122
TAY
(A) ← (Y)
110 122
TYA
(Y) ← (A)
119 122
TEAB
TABE
TDA
(E7−E4) ← (B)
(E3−E0) ← (A)
(B) ← (E7−E4)
(A) ← (E3−E0)
(DR2−DR0) ← (A2−A0)
112 122
104 122
111 122
TAD
TAZ
TAX
(A2−A0) ← (DR2−DR0)
(A3) ← 0
(A1, A0) ← (Z1, Z0)
(A3, A2) ← 0
(A) ← (X)
105 122
110 122
110 122
TASP
LXY x, y
LZ z
(A2−A0) ← (SP2−SP0)
(A3) ← 0
(X) ← x, x = 0 to 15
(Y) ← y, y = 0 to 15
(Z) ← z, z = 0 to 3
108 122
93 122
93 122
INY
(Y) ← (Y) + 1
92 122
DEY
(Y) ← (Y) − 1
90 122
TAM j
(A) ← (M(DP))
(X) ← (X)EXOR(j)
j = 0 to 15
106 122
XAM j
(A) ←→ (M(DP))
(X) ← (X)EXOR(j)
j = 0 to 15
120 122
XAMD j
(A) ←→ (M(DP))
(X) ← (X)EXOR(j)
j = 0 to 15
(Y) ← (Y) − 1
120 122
XAMI j
(A) ←→ (M(DP))
(X) ← (X)EXOR(j)
j = 0 to 15
(Y) ← (Y) + 1
120 122
TMA j
(M(DP)) ← (A)
(X) ← (X)EXOR(j)
j = 0 to 15
115 122
Note 1. M3455AG8: p=0 to 63 and M3455AGC: p=0 to 95.
Group-
ing
Mnemonic
Function
Page
LA n
(A) ← n
n = 0 to 15
92 124
TABP p
(SP) ← (SP) + 1
(SK(SP)) ← (PC)
(PCH) ← p
(PCL) ← (DR2−DR0, A3−A0)
(UPTF) = 1,
(DR2) ← 0
(DR1, DR0) ← (ROM(PC))9, 8
(B) ← (ROM(PC))7−4
(A) ← (ROM(PC))3−0
(PC) ← (SK(SP))
(SP) ← (SP) − 1
104 124
AM
(A) ← (A) + (M(DP))
87 124
AMC
An
AND
(A) ← (A) + (M(DP)) + (CY)
(CY) ← Carry
(A) ← (A) + n
n = 0 to 15
(A) ← (A)AND(M(DP))
87 124
87 124
87 124
OR
(A) ← (A)OR(M(DP))
94 124
SC
(CY) ← 1
98 124
RC
(CY) ← 0
96 124
SZC
(CY) = 0 ?
102 124
CMA
(A) ← (A)
89 124
RAR
CY A3A2A1A0
95 124
SB j
RB j
SZB j
SEAM
SEA n
Ba
BL p, a
BLA p
(Mj(DP)) ← 1
j = 0 to 3
(Mj(DP)) ← 0
j = 0 to 3
(Mj(DP)) = 0 ?
j = 0 to 3
(A) = (M(DP)) ?
97 124
95 124
101 124
99 126
(A) = n ?
n = 0 to 15
98 126
(PCL) ← a6−a0
88 126
(PCH) ← p
(PCL) ← a6−a0
(PCH) ← p
(PCL) ← (DR2−DR0, A3−A0)
88 126
88 126
Rev.1.01 Feb 15, 2008 Page 85 of 146
REJ03B0224-0101