2010-2011(2)单片机复习题（修改）

DVD2: DVD3: CLR C

MOV A,R2 RLC A MOV R2,A MOV A,R3 RLC A MOV R3,A MOV A,R4 RLC A MOV R4,A XCH A,R5 RLC A XCH A,R5 MOV F0,C CLR C

SUBB A,R6 MOV R1,A MOV A,R5 SUBB A,R7 ANL C,/F0 JC DVD3 MOV R5,A MOV A,R1 MOV R4,A INC R2

DJNZ B,DVD2 CLR OV RET