4518 Datasheet, PDF (109/160 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4518 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
TAB (Transfer data to Accumulator from register B)
Instruction
code
D9
D0
Number of Number of Flag CY
0000011110
01E
words
cycles
2
16
1
1
–
Skip condition
–
Operation: (A) ← (B)
Grouping: Register to register transfer
Description: Transfers the contents of register B to reg-
ister A.
TAB1 (Transfer data to Accumulator and register B from timer 1)
Instruction
code
D9
D0
Number of
1001110000
270
2
16
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation:
(B) ← (T17–T14)
(A) ← (T13–T10)
Grouping: Timer operation
Description: Transfers the high-order 4 bits (T17–T14) of
timer 1 to register B.
Transfers the low-order 4 bits (T13–T10) of
timer 1 to register A.
TAB2 (Transfer data to Accumulator and register B from timer 2)
Instruction
code
D9
D0
Number of
1001110001
271
2
16
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation:
(B) ← (T27–T24)
(A) ← (T23–T20)
Grouping: Timer operation
Description: Transfers the high-order 4 bits (T27–T24) of
timer 2 to register B.
Transfers the low-order 4 bits (T23–T20) of
timer 2 to register A.
TAB3 (Transfer data to Accumulator and register B from timer 3)
Instruction
code
D9
D0
Number of
1001110010
272
2
16
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation:
(B) ← (T37–T34)
(A) ← (T33–T30)
Grouping: Timer operation
Description: Transfers the high-order 4 bits (T37–T34) of
timer 3 to register B.
Transfers the low-order 4 bits (T33–T30) of
timer 3 to register A.
Rev.3.01 2005.06.15 page 109 of 157
REJ03B0008-0301