5-9-2.asm

来自「书籍8051入门篇」· 汇编 代码 · 共 16 行

;5-9-2.ASM
;
RESET   EQU     0000H   	;RESET
DEBUG   EQU     0       	;PROGRAM IN RUN MODE
;
$MOD51
        ORG     RESET   	;RESET FROM 0000H
        MOV     A,#12H          ;A=12H
        ADD     A,#00110100B    ;A=A+34H
IF (DEBUG)
        MOV     P1,A            ;P1=A IN DEBUG MODE
ELSE
        MOV     SBUF,A          ;SBUF=A IN NOT DEBUG MODE
ENDIF
        END