微机原理实验报告(4)

JNZ H3

CALL MINUTE_SET H3: MOV AL,NUM_BUTTON CMP AL,3 JNZ H4

CALL O_CLOCK_SET H4: MOV AL,NUM_BUTTON CMP AL,4 JNZ H5

CALL DAY_SET H5: MOV AL,NUM_BUTTON CMP AL,5 JNZ H6 MOV AL,0

MOV NUM_BUTTON,AL H6:POP BX POP DX POP AX POPF RET

SET ENDP

SECOND_SET FAR PROC ; PUSHF PUSH AX PUSH DX MOV AL,1

MOV TIME_COUNT,AL

MOV DX,ADDRESS_C IN AL,DX

XOR AL,0FFH TEST AL,2 JZ SECOND_END CALL DELAY10MS IN AX,DX XOR AL,0FFH TEST AL,2

JZ SECOND_END SECOND1: IN AL,DX TEST AL,2 JZ SECOND1 MOV AL,SECOND INC AL

MOV SECOND,AL CMP AL,60

秒设置子程序 15

JB SECOND_END MOV AL,0

MOV SECOND,AL

SECOND_END: CALL DISPLAY POP DX POP AX POPF RET

SECOND_SET ENDP

MINUTE_SET FAR PROC ; PUSHF PUSH AX PUSH DX MOV AL,1

MOV TIME_COUNT,AL

MOV DX,ADDRESS_C IN AL,DX

XOR AL,0FFH TEST AL,2 JZ MINUTE_END CALL DELAY10MS IN AL,DX XOR AL,0FFH TEST AL,2

JZ MINUTE_END MINUTE1:IN AL,DX TEST AL,2 JZ MINUTE1 MOV AL,MINUTE INC AL

MOV MINUTE,AL CMP AL,60

JB MINUTE_END MOV AL,0

MOV MINUTE,AL

MINUTE_END: CALL DISPLAY POP DX POP AX POPF RET

MINUTE_SET ENDP

O_CLOCK_SET FAR PROC ; PUSHF PUSH AX

分钟设置子程序时设置子程序 16

PUSH DX MOV AL,1

MOV TIME_COUNT,AL

MOV DX,ADDRESS_C IN AL,DX

XOR AL,0FFH TEST AL,2 JZ O_CLOCK_END CALL DELAY10MS IN AX,DX XOR AL,0FFH TEST AL,2

JZ O_CLOCK_END O_CLOCK1:IN AL,DX TEST AL,2 JZ O_CLOCK1 MOV AL,O_CLOCK INC AL

MOV O_CLOCK,AL CMP AL,24

JB O_CLOCK_END MOV AL,0

MOV O_CLOCK,AL

O_CLOCK_END: CALL DISPLAY POP DX POP AX POPF RET

O_CLOCK_SET ENDP

DAY_SET FAR PROC ; PUSHF PUSH AX PUSH DX MOV AL,3

MOV TIME_COUNT,AL

MOV DX,ADDRESS_C ; IN AL,DX

XOR AL,0FFH TEST AL,2 JZ DAY_END

CALL DELAY10MS IN AX,DX XOR AL,0FFH TEST AL,2

星期设置子程序星期设置 17

JZ DAY_END DAY1:IN AL,DX TEST AL,2 JZ DAY1 MOV AL,DAY INC AL MOV DAY,AL CMP AL,8

JB DAY_END MOV AL,1 MOV DAY,AL

DAY_END: CALL DISPLAY POP DX POP AX POPF RET

DAY_SET ENDP

DISPLAY FAR PROC ; PUSHF PUSH AX

K0: MOV AL,TIME_COUNT CMP AL,4 JC K1

MOV BYTE PTR TIME_COUNT,0

K1: MOV AL,TIME_COUNT CMP AL,2

JC K2 CALL DISPLAY_DAY JMP K3

K2: CALL DISPLAY_TIME K3: POP AX POPF RET

DISPLAY ENDP

DISPLAY_DAY FAR PROC ; PUSHF PUSH DX PUSH AX

MOV DX,ADDRESS_A ; MOV AL,CLEAR_1 OUT DX,AL

MOV DX,ADDRESS_B ; MOV AL,CLEAR_2

显示子程序 星期显示子程序位清零 段清零 18

OUT DX,AL

XOR BX,BX ;星期显示 MOV BL,DAY

MOV AL,LED_CODE+[BX] OUT DX,AL MOV AL,_DAY

MOV DX,ADDRESS_A OUT DX,AL POP AX POP DX POPF RET

DISPLAY_DAY ENDP

DISPLAY_TIME FAR PROC ; PUSHF PUSH BX PUSH AX PUSH DX

MOV DX,ADDRESS_A ; MOV AL,CLEAR_1 OUT DX,AL

MOV DX,ADDRESS_B ; MOV AL,CLEAR_2

OUT DX,AL XOR AX,AX

MOV AL,SECOND ; MOV BL,10 DIV BL XOR BX,BX MOV BL,AL

MOV AL,LED_CODE+[BX] ; OUT DX,AL

MOV DX,ADDRESS_A MOV AL,SECOND_H OUT DX,AL

MOV DX,ADDRESS_A ; MOV AL,CLEAR_1 OUT DX,AL

MOV DX,ADDRESS_B MOV AL,CLEAR_2

OUT DX,AL MOV BL,AH

MOV AL,LED_CODE+[BX] ; OUT DX,AL

时分秒显示子程序位清零 段清零 秒显示 高位 清零 低位 19

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