4554 Datasheet, PDF (106/138 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4554 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
TL2A (Transfer data to register L2 from Accumulator)
Instruction D9
D0
code
1 0 0 0 0 0 1 0 1 1₂ 2 0
B ₁₆
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (L2) ← (A)
Grouping: LCD operation
Description: Transfers the contents of register A to LCD
control register L2.
TL3A (Transfer data to register L3 from Accumulator)
Instruction D9
D0
code
1000001100
20
2
C ₁₆
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (L3) ← (A)
Grouping: LCD operation
Description: Transfers the contents of register A to LCD
control register L3.
TLCA (Transfer data to timer LC and register RLC from Accumulator)
Instruction
code
D9
D0
Number of
1000001101
20D
2
16
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation:
(LC) ← (A)
(RLC) ← (A)
Grouping: Timer operation
Description: Transfers the contents of register A to timer
LC and reload register RLC.
TMA j (Transfer data to Memory from Accumulator)
Instruction D9
D0
Number of Number of Flag CY
code
101011j j j j
2 Bj
words
cycles
2
16
1
1
–
Skip condition
–
Operation:
(M(DP)) ← (A)
(X) ← (X)EXOR(j)
j = 0 to 15
Grouping: RAM to register transfer
Description: After transferring the contents of register A
to M(DP), an exclusive OR operation is per-
formed between register X and the value j
in the immediate field, and stores the result
in register X.
Rev.3.00 Aug 06, 2004 page 106 of 136
REJ03B0043-0300Z