已知ARM机器处于模式: R0=0x01,R1=0x02,R2=0x03,R3=0x04,R4=0x05,R5=0x06,R6=0x07,R7=0x08; [0x30000000]=0x11,[0x30000001]=0x22,[0x30000002]=0x33,[0x30000003]=0x44, [0x30000004]=0x55,[0x30000005]=0x66,[0x30000006]=0x77,[0x30000007]=0x88; [0x30000008]=0x99,[0x30000009]=0xAA,[0x3000000A]=0xBB,[0x3000000B]=0xCC; 执行下列指令之后, MOV R0,#0x30000008 LDR R1,=0x12345678 STRB R1,[R0],#-4 R0= ? R1= ? [0x30000008]= ? [0x30000009]= ? [0x3000000A]= ? [0x3000000B]= ?