inter2-0.sdi

单片机的仿真实例!用的是Proteus作的,大家有需要的尽管下吧

,,,        ORG      00H
0000,02 00 30,,        JMP      MAIN
,,,        ORG     03H             ;INT0中断子程序起始地址
0003,02 00 45,,        JMP     EXT0            ;中断子程序
,,,        ORG     13H             ;INT1中断子程序起始地址
0013,02 00 55,,        JMP     EXT1            ;中断子程序
,,,        ORG      30H
0030,75 A8 85,MAIN,MAIN:   MOV     IE,#10000101B   ;INT0,INT1中断使能
0033,75 B8 02,,        MOV     IP,#00000010B   ;INT1中断优先
0036,75 88 01,,        MOV     TCON,#00000001B ;INTO为下降沿触发
0039,75 81 70,,        MOV     SP,#70H         ;设定堆栈指针
003C,7A 00,,        MOV     R2,#00          ;设置记数初值
003E,C2 97,,        CLR     P1.7            ;
,,,;--------------------------------------------------
0040,EA,LOOP,LOOP:   MOV     A,R2            ;读取十进制记数值
0041,F5 A0,,        MOV     P2,A            ;显示
0043,80 FB,,        JMP     LOOP            ;循环
0045,C0 E0,EXT0,EXT0:   PUSH    ACC             ;压入堆栈
0047,C0 D0,,        PUSH    PSW             ;
0049,EA,,        MOV     A,R2            ;
004A,24 01,,        ADD     A,#01H          ;计数指针加1
004C,D4,,        DA      A               ;做十进制调整
004D,FA,,        MOV     R2,A            ;存入R2
004E,F5 A0,,        MOV     P2,A            ;
,,,;       CALL    DELAY1          ;延时
0050,D0 D0,,        POP     PSW             ;出栈
0052,D0 E0,,        POP     ACC             ;
0054,32,,        RETI                    ;中断返回
,,,;-----------------------------------------------
0055,C0 E0,EXT1,EXT1:   PUSH    ACC             ;压入堆栈
0057,C0 D0,,        PUSH    PSW             ;
0059,D2 97,,        SETB    P1.7            ;
005B,12 00 72,,        CALL    DELAY2          ;延时
005E,C2 97,,        CLR     P1.7            ;
0060,D0 D0,,        POP     PSW             ;出栈
0062,D0 E0,,        POP     ACC             ;
0064,32,,        RETI                    ;中断返回
,,,
,,,;-----------------------------------------------
0065,7D C8,DELAY1,DELAY1: MOV     R5,#200         ;延时程序
0067,7E 64,D11,D11:    MOV     R6,#100         ;
0069,7F F8,D21,D21:    MOV     R7,#248         ;
006B,DF FE,,        DJNZ    R7,$            ;
006D,DE FA,,        DJNZ    R6,D21          ;
006F,DD F6,,        DJNZ    R5,D11          ;
0071,22,,        RET
,,,;------------------------------------------------
0072,7D C8,DELAY2,DELAY2: MOV     R5,#200         ;延时程序
0074,7E C8,D12,D12:    MOV     R6,#200         ;
0076,7F F8,D22,D22:    MOV     R7,#248         ;
0078,DF FE,,        DJNZ    R7,$            ;
007A,DE FA,,        DJNZ    R6,D22          ;
007C,DD F6,,        DJNZ    R5,D12          ;
007E,22,,        RET
000E,,,        END
,,,