Laptop User Manual
THUMB INSTRUCTION SET    S3C2440A RISC MICROPROCESSOR 
4-4   
Table 4-1. THUMB Instruction Set Opcodes (Continued) 
Mnemonic Instruction Lo-Register 
Operand 
Hi-Register 
Operand 
Condition 
Codes Set 
NEG Negate  Y – Y 
ORR OR  Y – Y 
POP Pop register  Y  –  – 
PUSH Push register  Y  –  – 
ROR Rotate Right  Y – Y 
SBC  Subtract with Carry  Y  –  Y 
STMIA Store Multiple  Y  –  – 
STR Store word  Y  –  – 
STRB Store byte  Y  –  – 
STRH Store halfword  Y  –  – 
SWI Software Interrupt – – – 
SUB Subtract  Y – Y 
TST Test bits  Y – Y 
NOTES 
1.  The condition codes are unaffected by the format 5, 12 and 13 versions of this instruction. 
2.  The condition codes are unaffected by the format 5 version of this instruction. 










