4554 Datasheet, PDF (99/138 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4554 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
TAM j (Transfer data to Accumulator from Memory)
Instruction D9
D0
Number of Number of Flag CY
code
101100j j j j
2 Cj
words
cycles
2
16
1
1
–
Skip condition
–
Operation:
(A) ← (M(DP))
(X) ← (X)EXOR(j)
j = 0 to 15
Grouping: RAM to register transfer
Description: After transferring the contents of M(DP) to
register A, an exclusive OR operation is
performed between register X and the value
j in the immediate field, and stores the re-
sult in register X.
TAMR (Transfer data to Accumulator from register MR)
Instruction D9
D0
code
1001010010
25
2
2
16
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (A) ← (MR)
Grouping: Clock operation
Description: Transfers the contents of clock control reg-
ister MR to register A.
TAPU0 (Transfer data to Accumulator from register PU0)
Instruction D9
D0
code
1 0 0 1 0 1 0 1 1 1 ₂ 2 5 7 ₁₆
Number of
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation: (A) ← (PU0)
Grouping: Input/Output operation
Description: Transfers the contents of pull-up control
register PU0 to register A.
TAPU1 (Transfer data to Accumulator from register PU1)
Instruction D9
D0
code
1 0 0 1 0 1 1 1 1 0 ₂ 2 5 E ₁₆
Number of
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation: (A) ← (PU1)
Grouping: Input/Output operation
Description: Transfers the contents of pull-up control
register PU1 to register A.
Rev.3.00 Aug 06, 2004 page 99 of 136
REJ03B0043-0300Z