微机课程设计

MOV A,33H SWAP A ORL A,B

MOV DPTR,#TAB1-1 MOVC A,@A+DPTR

CJNE A,#32H,S6 ;要记住是32H N2: MOV 31H,#01H MOV 52H,#40H MOV 26H,#0DFH S6:RET

K0_0:CJNE A,#30H,A1 ;时十位 MOV 26H,#0BFH MOV 37H,#01H MOV 52H,#31H MOV R4,#0 RET

A1:CJNE A,#31H,A2 ;时个位 MOV 26H,#0EFH MOV 36H,#01H MOV 52H,#32H MOV R4,#0 RET

A2:CJNE A,#32H,A3 ;分十位 MOV 26H,#0F7H MOV 52H,#33H MOV 34H,#01H MOV R4,#0 RET

A3:CJNE A,#33H,K1_0 ;分个位 MOV 26H,#07FH MOV 52H,#30H MOV 33H,#01H MOV R4,#0 RET

K1_0: CJNE A,#10H,B1 ;闹钟的时十位 MOV 26H,#0BFH MOV 37H,#01H MOV 52H,#11H MOV R4,#0 RET

B1: CJNE A,#11H,B2 ;时个位 MOV 26H,#0EFH MOV 52H,#12H

MOV 36H,#01H MOV R4,#0 RET

B2: CJNE A,#12H,B3 ;分十 位 MOV 26H,#0F7H MOV 52H,#13H MOV 34H,#01H MOV R4,#0 RET

B3: CJNE A,#13H,B4 ;分个位 MOV 26H,#07FH MOV 52H,#10H MOV 33H,#01H MOV R4,#0 B4: RET

K1:MOV A,52H ;2 CJNE A,#01H,W3 RET

W3:CJNE A,#02H,W4 RET

W4:CJNE A,#40H,S7 ;K1键功能 MOV 26H,#0EFH

MOV 35H,#02H ;年十位 MOV 52H,#41H MOV R4,#0 RET

S7:CJNE A,#41H,S8 MOV 26H,#0F7H

MOV 34H,#0DH ;年个位 MOV 52H,#42H MOV R4,#0 RET

S8:CJNE A,#42H,S9 ;月十位

MOV R4,#0

RET

S9:CJNE A,#43H,S10 MOV 26H,#0FDH MOV 52H,#44H

MOV 32H,#0DH ;月个位 MOV R4,#0 RET

S10:CJNE A,#44H,S11 MOV 26H,#0FEH

MOV 31H,#02H ;日十位 MOV 52H,#45H MOV R4,#0 RET

S11:CJNE A,#45H,K0_1 ;日个位 MOV R4,#0 MOV A,31H CJNE A,#03H,S12 RET

S12:MOV 26H,#0DFH ; MOV 30H,#02H MOV 52H,#40H RET

K0_1: CJNE A,#30H,A5 ;时十位 MOV 26H,#0BFH MOV 37H,#02H MOV 52H,#31H MOV R4,#0 RET

A5: CJNE A,#31H,A6 ;时个位 MOV 26H,#0EFH MOV 52H,#32H MOV 36H,#02H MOV R4,#0 RET

A6:CJNE A,#32H,A7 ;分十位 MOV 26H,#0F7H MOV 52H,#33H MOV 34H,#02H MOV R4,#0 RET

A7:CJNE A,#33H,K1_1 ;分个位 MOV 26H,#07FH MOV 52H,#30H MOV 33H,#02H MOV R4,#0 RET

K1_1:CJNE A,#10H,B5 ;闹钟的时十位

MOV 26H,#0BFH MOV 37H,#02H MOV 52H,#11H MOV R4,#0 RET

B5:CJNE A,#11H,B6 ;时个位 MOV 26H,#0EFH MOV 36H,#02H MOV 52H,#12H MOV R4,#0 RET

B6:CJNE A,#12H,B7 MOV 26H,#0F7H MOV 34H,#02H MOV 52H,#12H MOV R4,#0 RET

B7:CJNE A,#13H,B8 MOV 26H,#07FH MOV 33H,#02H MOV 52H,#10H MOV R4,#0 B8:RET

K2:MOV A,52H CJNE A,#01H,W5 RET

W5:CJNE A,#02H,W6 RET

W6:CJNE A,#40H,S13 MOV 26H,#0EFH MOV 52H,#41H MOV 35H,#03H MOV R4,#0 RET

S13:CJNE A,#41H,S14 MOV 26H,#0F7H MOV 52H,#42H MOV 34H,#0EH MOV R4,#0 RET

;分十位 ;分个位 ;3 ;年十位 ;年个位