s3c2410a Samsung Semiconductor, Inc., s3c2410a Datasheet - Page 83

• Manufacturer Part Number: s3c2410a
• Description: 16/32-bit Risc Arm Microprocessor
• Manufacturer: Samsung Semiconductor, Inc.

S3C2410A
3
INSTRUCTION SET SUMMAY
This chapter describes the ARM instruction set in the ARM920T core.
FORMAT SUMMARY
The ARM instruction set formats are shown below.
31 30 29 28
31 30 29 28
Cond
Cond
Cond
Cond
Cond
Cond
Cond
Cond
Cond
Cond
Cond
Cond
Cond
Cond
Cond
0 0 0 0
0 0
0 0 0
0 0 0
0 0 0 P U 0 W L
0 0 0 P U 1 W L
0 1 I P U B W L
0 1 I
1 0 0 P U B W L
1 0
1 1 0 P U B W L
1 1
1 1
1 1
0 0 I
27 26 25 24 23 22 21 20 19 18 17 16 15
27 26 25 24 23 22 21 20 19 18 17 16 15
ARM INSTRUCTION SET
0
1
1
1
1
0
1
1
L
0
0
1
Opcode
0
1
0
0
CP Opc
Opc
CP
U
B
0
0
A S
A S
0 0
1
S
0
L
1
RdHi
CRn
CRn
1
Rn
Rd
Rn
Rn
Rn
Rn
Rn
Rn
Figure 3-1. ARM Instruction Set Format
1
1
Ignored by processor
1
RdLo
CRd
CRd
1
Rd
Rn
Rd
Rd
Rd
Rd
Rd
1
14
14
Offset
1
13
13
0
1
0
Offset
12 11 10
12 11 10
CP#
CP#
CP#
0
1
0
Rn
Rs
Register List
Operand2
0
1
0
0
1
0
1
1
1
0
1
1
9 8 7 6 5 4 3 2 1 0
9 8 7 6 5 4 3 2 1 0
CP
CP
Offset
S
S
0
0
0
0
H
H
0
0
0
0
Offset
1
0
1
1
1
1
1
1
1
Offset
CRm
CRm
Rm
Rm
Rm
Rm
Rn
Data/Processing/
PSR Transfer
Multiply
Multiply Long
Single Data Swap
Branch and Exchange
Halfword Data Transfer:
register offset
Halfword Data Transfer:
immendiate offset
Single Data Transfer
Undefined
Block Data Transfer
Branch
Coprocessor Data Transfer
Coprocessor Data Operation
Coprocessor Register Transfer
Software Interrupt
ARM INSTRUCTION SET
3-1