Filter
Top Products
S3C2410A MICROPROCESSOR v
Table of Contents (Continued)
Chapter 3 ARM Instruction set (Continued)
Single Data Transfer (LDR, STR)...........................................................................................................3-28
Offsets And Auto-Indexing............................................................................................................3-29
Shifted Register Offset .................................................................................................................3-29
Bytes and Words ........................................................................................................................3-29
Use of R15..................................................................................................................................3-31
Example:....................................................................................................................................3-31
Data Aborts ................................................................................................................................3-31
Instruction Cycle Times................................................................................................................3-31
Assembler Syntax.......................................................................................................................3-32
Examples ...................................................................................................................................3-33
Halfword and Signed Data Transfer (LDRH/STRH/LDRSB/LDRSH) ...........................................................3-34
Offsets and Auto-Indexing ............................................................................................................3-35
Halfword Load and Stores.............................................................................................................3-36
Use of R15..................................................................................................................................3-37
Data Aborts ................................................................................................................................3-37
Instruction Cycle Times................................................................................................................3-37
Assembler Syntax.......................................................................................................................3-38
Examples ...................................................................................................................................3-39
Block Data Transfer (LDM, STM)...........................................................................................................3-40
The Register List.........................................................................................................................3-40
Addressing Modes.......................................................................................................................3-41
Address Alignment ......................................................................................................................3-41
Use of the S Bit...........................................................................................................................3-43
Use of R15 as the Base...............................................................................................................3-43
Inclusion of the Base in the Register List.......................................................................................3-44
Data Aborts ................................................................................................................................3-44
Instruction Cycle Times................................................................................................................3-44
Assembler Syntax.......................................................................................................................3-45
Examples ...................................................................................................................................3-46
Single Data Swap (SWP).....................................................................................................................3-47
Bytes and Words ........................................................................................................................3-47
Use of R15..................................................................................................................................3-48
Data Aborts ................................................................................................................................3-48
Instruction Cycle Times................................................................................................................3-48
Assembler Syntax.......................................................................................................................3-48
Software Interrupt (SWI).......................................................................................................................3-49
Return from the Supervisor ...........................................................................................................3-49
Comment Field............................................................................................................................3-49
Instruction Cycle Times................................................................................................................3-49
Assembler Syntax.......................................................................................................................3-50
Coprocessor Data Operations (CDP).....................................................................................................3-51
Coprocessor Instructions..............................................................................................................3-51
Instruction Cycle Times................................................................................................................3-52
Examples ...................................................................................................................................3-52