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0.png (27.71 KB, 下載次數(shù): 138)
下載附件
2016-5-29 15:33 上傳
0.png (67.34 KB, 下載次數(shù): 140)
下載附件
2016-5-29 15:32 上傳
仿真文件下載:http://www.torrancerestoration.com/bbs/dpj-50777-1.html
- ORG 00H //從00H地址處開始執(zhí)行
- /*
- 提示像START:這種叫程序段
- 什么叫程序段呢?
- 如
- DELAY:
- .....內(nèi)容
- RET 返回
-
- */
- START:
- CALL SETB_LED //調(diào)用SETB_LED程序段
- CLR P2.0 //設(shè)置P2.0這個引腳為低電平
- CALL DISPLAY_NUMBER //調(diào)用DISPLAY_NUMBER程序段
-
- CALL SETB_LED
- CLR P2.2
- CALL DISPLAY_NUMBER
-
- CALL SETB_LED
- MOV P0, #0FFH
- CLR P2.1
- CALL DELAY
- SETB P2.1
- CALL DELAY
- CLR P2.1
- CALL DELAY
- SETB P2.1
- CALL DELAY
- CLR P2.1
- CALL DELAY
- SETB P2.1
- CALL DELAY
-
-
- JMP START
- DELAY: MOV R3, #123 //延時程序段
- DV0: MOV R1, #200 //R1賦值為10進制數(shù)200
- DV1: MOV R2, #20
- DV2: DJNZ R2, DV2 //使R2-1,若R2不等于0的情況下繼續(xù)執(zhí)行這行代碼,若R2等于0執(zhí)行下一句代碼
- DJNZ R1, DV1
- DJNZ R3, DV0
- RET //程序段返回
- CLEAR_DISLED: //把數(shù)碼管熄滅
- SETB P0.0
- SETB P0.1
- SETB P0.2
- SETB P0.3
- SETB P0.4
- SETB P0.5
- SETB P0.6
- RET
- DISPLAY_NUMBER: //顯示數(shù)字
- MOV P0, #10H ;數(shù)碼管顯示9
- CALL DELAY
-
- MOV P0, #0H ;數(shù)碼管顯示8
- CALL DELAY
-
- mov P0, #78H ;數(shù)碼管顯示7
- CALL DELAY
- MOV P0, #2H ;數(shù)碼管顯示6
- CALL DELAY
-
- MOV P0, #12H ;數(shù)碼管顯示5
- CALL DELAY
-
- MOV P0, #19H ;數(shù)碼管顯示4
- CALL DELAY
-
- MOV P0, #30H ;數(shù)碼管顯示3
- CALL DELAY
-
- MOV P0, #24H ;數(shù)碼管顯示2
- CALL DELAY
-
- MOV P0, #79H ;數(shù)碼管顯示1
- CALL DELAY
-
- MOV P0, #40H
- CALL DELAY
- RET
-
- SETB_LED: //設(shè)置LED顯示哪種顏色
- SETB P2.0
- SETB P2.1
- SETB P2.2
- RET
- END
- //小月子2016年5月21日編輯 如果您有什么不理解的地方請加小月子QQ:616142166
- //小月子是個電子發(fā)燒友,小月子電子網(wǎng)店賣的是電子電路類、編程類學(xué)習(xí)資料教學(xué)視頻
- //請關(guān)注我的網(wǎng)
-
復(fù)制代碼- ORG 00H
-
- START:
-
- CALL SETB_LED
- CLR P2.0
- CALL DISPLAY_NUMBER
-
- CALL SETB_LED
- CLR P2.2
- CALL DISPLAY_NUMBER
-
- CALL SETB_LED
- MOV P0, #0FFH
- CLR P2.1
- CALL DELAY
- SETB P2.1
- CALL DELAY
- CLR P2.1
- CALL DELAY
- SETB P2.1
- CALL DELAY
- CLR P2.1
- CALL DELAY
- SETB P2.1
- CALL DELAY
-
-
- JMP START
- DELAY: MOV R3, #123
- DV0: MOV R1, #200
- DV1: MOV R2, #20
- DV2: DJNZ R2, DV2
- DJNZ R1, DV1
- DJNZ R3, DV0
- RET
- CLEAR_DISLED:
- SETB P0.0
- SETB P0.1
- SETB P0.2
- SETB P0.3
- SETB P0.4
- SETB P0.5
- SETB P0.6
- RET
- DISPLAY_NUMBER:
- MOV P0, #10H ;數(shù)碼管顯示9
- CALL DELAY
-
- MOV P0, #0H ;數(shù)碼管顯示8
- CALL DELAY
-
- mov P0, #78H ;數(shù)碼管顯示7
- CALL DELAY
- MOV P0, #2H ;數(shù)碼管顯示6
- CALL DELAY
-
- MOV P0, #12H ;數(shù)碼管顯示5
- CALL DELAY
-
- MOV P0, #19H ;數(shù)碼管顯示4
- CALL DELAY
-
- MOV P0, #30H ;數(shù)碼管顯示3
- CALL DELAY
-
- MOV P0, #24H ;數(shù)碼管顯示2
- CALL DELAY
-
- MOV P0, #79H ;數(shù)碼管顯示1
- CALL DELAY
-
- MOV P0, #40H
- CALL DELAY
- RET
-
- SETB_LED:
- SETB P2.0
- SETB P2.1
- SETB P2.2
- RET
- END
-
復(fù)制代碼
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