s3c2410a Samsung Semiconductor, Inc., s3c2410a Datasheet - Page 155

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

S3C2410A
FORMAT 3: MOVE/COMPARE/ADD/SUBTRACT IMMEDIATE
OPERATIONS
The instructions in this group perform operations between a Lo register and an 8-bit immediate value. The THUMB
assembler syntax is shown in Table 4-4.
All instructions in this group set the CPSR condition codes.
OP
00
01
10
11
15
0
MOV Rd, #Offset8
CMP Rd, #Offset8
ADD Rd, #Offset8
SUB Rd, #Offset8
14
0
THUMB Assembler
13
0
12
Op
Table 4-4. Summary of Format 3 Instructions
11
10
[7:0] Immediate Vale
[10:8] Source/Destination Register
[12:11] Opcode
0 = MOV
1 = CMP
2 = ADD
3 = SUB
MOVS Rd, #Offset8
CMP Rd, #Offset8
ADDS Rd, Rd, #Offset8
SUBS Rd, Rd, #Offset8
Rd
ARM Equipment
Figure 4-4. Format 3
8
NOTE
7
Move 8-bit immediate value into Rd.
Compare contents of Rd with 8-bit immediate
value.
Add 8-bit immediate value to contents of Rd
and place the result in Rd.
Subtract 8-bit immediate value from contents
of Rd and place the result in Rd.
Offset8
Action
THUMB INSTRUCTION SET
0
4-9