Samsung KS86C6004 Manual page 25

ADDRESSING MODES
INDIRECT REGISTER ADDRESSING MODE (Concluded)
PROGRAM MEMORY
4-BIT
WORKING
REGISTER
ADDRESS
EXAMPLE
INSTRUCTION
REFERENCES
EITHER
PROGRAM
MEMORY OR
DATA MEMORY
Figure 3-6. Indirect Working Register Addressing to Program or Data Memory
3-6
dst src
OPCODE
SAMPLE INSTRUCTIONS:
LDC R5,@RR2
LDE R3,@RR14
LDE @RR4,R8
KS86C6004/C6008/P6008 MICROCONTROLLER (Preliminary Spec)
NEXT 3 BITS
POINT TO
WORKING
REGISTER PAIR
(1 OF 8)
PROGRAM MEMORY
LSB SELECTS
VALUE USED IN
INSTRUCTION
; Program memory access
; External data memory access
; External data memory access
REGISTER FILE
CFH
.
.
.
.
REGISTER
PAIR
C0H
OR
DATA MEMORY
OPERAND
16-BIT
ADDRESS
POINTS TO
PROGRAM
MEMORY OR
DATA
MEMORY