4570 Datasheet, PDF (38/69 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
4570 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
LIST OF INSTRUCTION FUNCTION
Grouping _Mnemonic
Function
Grouping _Mnemonic
Function
Grouping _Mnemonic
Function
TAB
(A) ← (B)
XAMI j (A) ← → (M(DP))
SB j
(Mj(DP)) ← 1
(X) ← (X)EXOR(j)
j = 0 to 3
TBA
(B) ← (A)
j = 0 to 15
(Y) ← (Y) + 1
RB j
(Mj(DP)) ← 0
TAY
(A) ← (Y)
j = 0 to 3
TMA j (M(DP)) ← (A)
TYA
(Y) ← (A)
(X) ← (X)EXOR(j)
SZB j (Mj(DP)) = 0 ?
j = 0 to 15
j = 0 to 3
TEAB
(E7–E4) ← (B)
(E3–E0) ← (A)
LA n
(A) ← n
SEAM (A) = (M(DP)) ?
n = 0 to 15
TABE
(B) ← (E7–E4)
SEA n (A) = n ?
(A) ← (E3–E0)
TABP p (SP) ← (SP) + 1
n = 0 to 15
(SK(SP)) ← (PC)
TDA
(DR2–DR0) ← (A2–A0)
(PCH) ← p
Ba
(PCL) ← a6–a0
(PCL) ← (DR2–DR0,
TAD
(A2–A0) ← (DR2–DR0)
A3–A0)
BL p, a (PCH) ← p
(A3) ← 0
(W5) ← (ROM(PC))9 to 8
(PCL) ← a6–a0
(B) ← (ROM(PC))7 to 4
TAZ
(A1, A0) ← (Z1, Z0)
(A) ← (ROM(PC))3 to 0
BLA p (PCH) ← p
(A3, A2) ← 0
(PC) ← (SK(SP))
(PCL) ← (DR2–DR0,
(SP) ← (SP) – 1
A3–A0)
TAX
(A) ← (X)
AM
(A) ← (A) + (M(DP))
BM a
(SP) ← (SP) + 1
TASP
(A2–A0) ← (SP2–SP0)
(SK(SP)) ← (PC)
(A3) ← 0
AMC
(A) ← (A) + (M(DP))
(PCH) ← 2
+ (CY)
(PCL) ← a6–a0
LXY x, y (X) ← x, x = 0 to 15
(CY) ← Carry
(Y) ← y, y = 0 to 15
BML p, a (SP) ← (SP) + 1
An
(A) ← (A) + n
(SK(SP)) ← (PC)
LZ z
(Z) ← z, z = 0 to 3
n = 0 to 15
(PCH) ← p
(PCL) ← a6–a0
INY
(Y) ← (Y) + 1
AND
(A) ← (A)AND(M(DP))
BMLA p (SP) ← (SP) + 1
DEY
(Y) ← (Y) – 1
OR
(A) ← (A)OR(M(DP))
(SK(SP)) ← (PC)
(PCH) ← p
TAM j (A) ← (M(DP))
SC
(CY) ← 1
(PCL) ← (DR2–DR0,
(X) ← (X)EXOR(j)
A3–A0)
j = 0 to 15
RC
(CY) ← 0
RTI
(PC) ← (SK(SP))
XAM j (A) ← → (M(DP))
SZC
(CY) = 0 ?
(SP) ← (SP) – 1
(X) ← (X)EXOR(j)
j = 0 to 15
CMA
(A) ← (A)
RT
(PC) ← (SK(SP))
(SP) ← (SP) – 1
XAMD j (A) ← → (M(DP))
(X) ← (X)EXOR(j)
RAR
→ CY → A3A2A1A0
RTS
(PC) ← (SK(SP))
j = 0 to 15
(SP) ← (SP) – 1
(Y) ← (Y) – 1
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