4518 Datasheet, PDF (124/160 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4518 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
TR3AB (Transfer data to register R3 from Accumulator and register B)
Instruction
code
D9
D0
Number of
1000111011
23B
2
16
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation:
(R37–R34) ← (B)
(R33–R30) ← (A)
Grouping: Timer operation
Description: Transfers the contents of register B to the
high-order 4 bits (R37–R34) of reload regis-
ter R3, and the contents of register A to the
low-order 4 bits (R33–R30) of reload regis-
ter R3.
TRGA (Transfer data to register RG from Accumulator)
Instruction D9
D0
code
1000001001
20
2
9
16
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (RG0) ← (A0)
Grouping: Clock control operation
Description: Transfers the contents of register A to regis-
ter RG.
TSIAB (Transfer data to register SI from Accumulator and register B)
Instruction
code
D9
D0
Number of
1 0 0 0 1 1 1 0 0 0 ₂ 2 3 8 ₁₆
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation:
(SI7–SI4) ← (B)
(SI3–SI0) ← (A)
Grouping: Serial I/O operation
Description: Transfers the contents of register B to the
high-order 4 bits (SI7–SI4) of serial I/O reg-
ister SI, and transfers the contents of
register A to the low-order 4 bits (SI3–SI0) of
serial I/O register SI.
TV1A (Transfer data to register V1 from Accumulator)
Instruction D9
D0
code
0000111111
03
2
F
16
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (V1) ← (A)
Grouping: Interrupt operation
Description: Transfers the contents of register A to inter-
rupt control register V1.
Rev.3.01 2005.06.15 page 124 of 157
REJ03B0008-0301