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
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