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CLR
0 ⇒ M
Operation:
Description:
All bits in memory location M are cleared to zero.
Condition Codes and Boolean Formulas:
S
–
N:
Z:
V:
C:
Addressing Modes, Machine Code, and Execution Times:
Source Form
CLR opr16a
CLR oprx0_xysp
CLR oprx9,xysp
CLR oprx16,xysp
CLR [D ,xysp ]
CLR [ oprx16,xysp ]
MOTOROLA
6-56
Clear Memory
X
H
I
N
Z
–
–
–
0
1
0; Cleared.
1; Set.
0; Cleared.
0; Cleared.
Address Mode
EXT
IDX
IDX1
IDX2
[D,IDX]
[IDX2]
INSTRUCTION GLOSSARY
V
C
0
0
Object Code
79 hh ll
69 xb
69 xb ff
69 xb ee ff
69 xb
69 xb ee ff
CLR
Cycles
Access Detail
3
wOP
2
Pw
3
PwO
3
PwP
5
PIfPw
5
PIPPw
CPU12
REFERENCE MANUAL
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