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4502 Datasheet, PDF (81/116 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER | |||
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4502 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
TASP (Transfer data to Accumulator from Stack Pointer)
Instruction D9
D0
code
0001010000
050
2
16
Number of
words
1
Number of
cycles
1
Flag CY
â
Skip condition
â
Operation:
(A2âA0) â (SP2âSP0)
(A3) â 0
Grouping: Register to register transfer
Description: Transfers the contents of stack pointer (SP)
to the low-order 3 bits (A2âA0) of register A.
Note:
After this instruction is executed, â0â is
stored to the bit 3 (A3) of register A.
TAV1 (Transfer data to Accumulator from register V1)
Instruction D9
D0
code
0001010100
05
2
4
16
Number of
words
1
Number of Flag CY
cycles
1
â
Skip condition
â
Operation: (A) â (V1)
Grouping: Interrupt operation
Description: Transfers the contents of interrupt control
register V1 to register A.
TAV2 (Transfer data to Accumulator from register V2)
Instruction D9
D0
code
0001010101
05
2
5
16
Number of
words
1
Number of Flag CY
cycles
1
â
Skip condition
â
Operation: (A) â (V2)
Grouping: Interrupt operation
Description: Transfers the contents of interrupt control
register V2 to register A.
TAW1 (Transfer data to Accumulator from register W1)
Instruction D9
D0
code
1001001011
24
2
B
16
Number of
words
1
Number of Flag CY
cycles
1
â
Skip condition
â
Operation: (A) â (W1)
Grouping: Timer operation
Description: Transfers the contents of timer control reg-
ister W1 to register A.
Rev.3.01 2005.02.02 page 81 of 112
REJ03B0105-0301
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