Samsung S3C9454B User Manual page 40

S3C9454B/F9454B
INDIRECT REGISTER ADDRESSING MODE (Continued)
4-Bit
Working
Register
Address
Figure 3-5. Indirect Working Register Addressing to Register File
Program Memory
dst src
OPCODE
Sample Instruction:
OR R6, @R2
Register File
4 LSBs
Point to the
working register
(1 of 16)
Value used in
instruction
ADDRESSING MODES
CFH
.
.
.
.
OPERAND
C0H
OPERAND
3-5