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15
15
15
op
Notation:
op:
Operation field
rn:
Register field
IMM:
Immediate data
2.5.8
Block Data Transfer Instruction
Table 2.11 describes the block data transfer instruction. Figure 2.10 shows its object code format.
Table 2.11 Block Data Transfer Instruction
Instruction
Size
EEPMOV
—
Certain precautions are required in using the EEPMOV instruction. See 2.9.3, Notes on Use of the
EEPMOV Instruction, for details.
40
8
7
op
8
7
op
8
7
Figure 2.9 System Control Instruction Codes
Function
If R4L ≠ 0 then
repeat
until
else next;
Block transfer instruction. Transfers the number of data bytes
specified by R4L from locations starting at the address indicated by
R5 to locations starting at the address indicated by R6. After the
transfer, the next instruction is executed.
rn
IMM
@R5+ → @R6+
R4L – 1 → R4L
R4L = 0
0
RTE, SLEEP, NOP
0
LDC, STC (Rn)
0
ANDC, ORC,
XORC, LDC (#xx:8)
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