S3C2410A THUMB INSTRUCTION SET
4-3
OPCODE SUMMARY
The following table summarizes the THUMB instruction set. For further information about a particular instruction
please refer to the sections listed in the right-most column.
Table 4-1. THUMB Instruction Set Opcodes
Mnemonic Instruction Lo-Register
Operand
Hi-Register
Operand
Condition
Codes Set
ADC Add with Carry Y – Y
ADD Add Y –
Y
(1)
AND AND Y – Y
ASR Arithmetic Shift Right Y – Y
B Unconditional branch Y – –
Bxx Conditional branch Y – –
BIC Bit Clear Y – Y
BL Branch and Link – – –
BX Branch and Exchange Y Y –
CMN Compare Negative Y – Y
CMP Compare Y Y Y
EOR EOR Y – Y
LDMIA Load multiple Y – –
LDR Load word Y – –
LDRB Load byte Y – –
LDRH Load halfword Y – –
LSL Logical Shift Left Y – Y
LDSB Load sign-extended byte Y – –
LDSH Load sign-extended halfword Y – –
LSR Logical Shift Right Y – Y
MOV Move register Y Y
Y
(2)
MUL Multiply Y – Y
MVN Move Negative register Y – Y
