Fujitsu CM71-00101-5E User Manual

248

CHAPTER 7  DETAILED EXECUTION INSTRUCTIONS

The LDM1 instruction accepts registers in the range R8 to R15 as members of the 
parameter "reglist" (See Table 7.130-1.).
Registers are processed in ascending numerical order.
If "R15" is specified in the parameter "reglist", the final contents of "R15" will be read 
from memory.

■

Assembler format:

LDM1 (reglist)

Operation:

The following operations are repeated according to the number of registers specified in the
parameter "reglist".

(R15) 

→ Ri 

R15 + 4 

→ R15

Flag change:    

N, Z, V, and C: Unchanged

Execution cycles:  

If "n" is the number of registers specified in the parameter "reglist", the execution cycles
re

q

uired are as follows.

If n=0: 1 cycle

For other values of n: a (n – 1) + b + 1 cycles

Instruction format:  

N

Z

V

C

–

–

–

–

MSB

LSB

1

0

0

0

1

1

0

1

reglist