6.2
6.2
汇编语言程序开发
汇编语言程序开发
AREA sourceData,DATA,READONLY
str DCD 1,2,3,4,5,6,7,8,11,12,13,14,15,16,17,18,21,22,23,24
AREA destinationData,DATA,READWRITE
dst SPACE 80
AREA blockCopy,CODE,READONLY
num EQU 20
RegList RLIST {R4-R11}
ENTRY
START
LDR R0,=str
LDR R1,=dst
MOV R2,#num
MOVS R3,R2,LSR #3
BEQ copyWords
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