4552 Datasheet, PDF (89/145 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4552 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
RUPT (Reset UPTF flag)
Instruction
code
D9
D0
Number of Number of Flag CY
words
cycles
0
0
0
1
0
1
1
0
0
0
2
0
5
8 ₁₆
1
1
–
Skip condition
–
Operation: (UPTF) ← 0
Grouping: Other operation
Description: Clears (0) to the high-order bit reference
enable flag.
SB j (Set Bit)
Instruction
code
D9
D0
Number of Number of Flag CY
00010111j
j
2
0
5
C
+j ₁₆
words
1
cycles
1
–
Skip condition
–
Operation:
(Mj(DP)) ← 1
j = 0 to 3
Grouping: Bit operation
Description: Sets (1) the contents of bit j (bit specified by
the value j in the immediate field) of M(DP).
SC (Set Carry flag)
Instruction
code
D9
D0
Number of Number of Flag CY
0000000111
007
words
cycles
2
16
1
1
1
Skip condition
–
Operation: (CY) ← 1
Grouping: Arithmetic operation
Description: Sets (1) to carry flag CY.
SCP (Set Port C)
Instruction
code
D9
D0
Number of Number of Flag CY
1010001101
28D
words
cycles
2
16
1
1
–
Skip condition
–
Operation: (C) ← 1
Grouping: Input/Output operation
Description: Sets (1) to port C.
Rev.3.02 Dec 22, 2006 page 89 of 142
REJ03B0023-0302