4501_M Datasheet, PDF (75/212 Pages) Renesas Technology Corp – 4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES

4501 Group
HARDWARE
INSTRUCTIONS
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
AND (logical AND between accumulator and memory)
Instruction D9
D0
code
0000011000
01
2
8
16
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (A) ← (A) AND (M(DP))
Grouping:
Description:
Arithmetic operation
Takes the AND operation between the con-
tents of register A and the contents of
M(DP), and stores the result in register A.
B a (Branch to address a)
Instruction
code
D9
D0
Number of Number of Flag CY
0
1
1
a6 a5 a4 a3 a2 a1 a0
2
1
8
+a
a
16
words
1
cycles
1
–
Skip condition
–
Operation: (PCL) ← a6 to a0
Grouping:
Description:
Note:
Branch operation
Branch within a page : Branches to address
a in the identical page.
Specify the branch address within the page
including this instruction.
BL p, a (Branch Long to address a in page p)
Instruction
code
D9
D0
Number of Number of Flag CY
0
0
1
1
1
p4 p3 p2 p1 p0 0
2
E
+p
p
16
words
2
cycles
2
–
Skip condition
–
Operation:
1 0 0 a6 a5 a4 a3 a2 a1 a0 ₂ 2 a a _{16 Grouping: Branch operation}
(PCH) ← p
(PCL) ← a6 to a0
Description: Branch out of a page : Branches to address
a in page p.
Note:
p is 0 to 15 for M34501M2, and p is 0 to 31
for M34501M4/E4.
BLA p (Branch Long to address (D) + (A) in page p)
Instruction
code
D9
D0
Number of Number of Flag CY
0000010000
010
words
cycles
2
16
2
2
–
Skip condition
–
Operation:
1 0 0 p4 0 0 p3 p2 p1 p0 ₂ 2 p p _{16 Grouping: Branch operation}
(PCH) ← p
(PCL) ← (DR2–DR0, A3–A0)
Description: Branch out of a page : Branches to address
(DR2 DR1 DR0 A3 A2 A1 A0)2 specified by
registers D and A in page p.
Note:
p is 0 to 15 for M34501M2 and p is 0 to 31
for M34501M4/E4.
Rev.2.01 Feb 07, 2005
REJ09B0192-0201
1-63