4502 Datasheet, PDF (79/116 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4502 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
TAI1 (Transfer data to Accumulator from register I1)
Instruction
code
D9
D0
Number of Number of Flag CY
1001010011
253
words
cycles
2
16
1
1
–
Skip condition
–
Operation: (A) ← (I1)
Grouping: Interrupt operation
Description: Transfers the contents of interrupt control
register I1 to register A.
TAK0 (Transfer data to Accumulator from register K0)
Instruction D9
D0
code
1001010110
25
2
6
16
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (A) ← (K0)
Grouping: Input/Output operation
Description: Transfers the contents of key-on wakeup
control register K0 to register A.
TAK1 (Transfer data to Accumulator from register K1)
Instruction D9
D0
code
1001011001
25
2
9
16
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (A) ← (K1)
Grouping: Input/Output operation
Description: Transfers the contents of key-on wakeup
control register K1 to register A.
TAK2 (Transfer data to Accumulator from register K2)
Instruction D9
D0
code
1001011010
25
2
A
16
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (A) ← (K2)
Grouping: Input/Output operation
Description: Transfers the contents of key-on wakeup
control register K2 to register A.
Rev.3.01 2005.02.02 page 79 of 112
REJ03B0105-0301