5.lst

数字钟


ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 1





       MCS-51 Family Cross Assembler   A S E M - 5 1   V 1.2
       =====================================================



	Source File:	5.ASM
	Object File:	5.HEX
	List File:	5.LST



 Line  I  Addr  Code            Source

    1:		N      0000			ORG 0
    2:	  0000	90 00 1F	START:		MOV DPTR,#TABLE
    3:	  0003	E4		LOOP:		CLR A
    4:	  0004	93				MOVC A,@A+DPTR
    5:	  0005	B4 01 02			CJNE A,#01H,LOOP1
    6:	  0008	80 F6				JMP START
    7:	  000A	F5 90		LOOP1:		MOV P1,A
    8:	  000C	7B 14				MOV R3,#20
    9:	  000E	12 00 14			LCALL DELAY
   10:	  0011	A3				INC DPTR
   11:	  0012	80 EF				JMP LOOP
   12:	  0014	7C 14		DELAY:		MOV R4,#20
   13:	  0016	7D F8		D1:		MOV R5,#248
   14:	  0018	DD FE				DJNZ R5,$
   15:	  001A	DC FA				DJNZ R4,D1
   16:	  001C	DB F6				DJNZ R3,DELAY
   17:	  001E	22				RET
   18:	  001F	FE FD FB F7	TABLE:		DB 0FEH,0FDH,0FBH,0F7H
   19:	  0023	EF DF BF 7F			DB 0EFH,0DFH,0BFH,07FH
   20:	  0027	FE FD FB F7			DB 0FEH,0FDH,0FBH,0F7H
   21:	  002B	EF DF BF 7F			DB 0EFH,0DFH,0BFH,07FH
   22:	  002F	7F BF DF EF			DB 07FH,0BFH,0DFH,0EFH
   23:	  0033	F7 FB FD FE			DB 0F7H,0FBH,0FDH,0FEH
   24:	  0037	7F BF DF EF			DB 07FH,0BFH,0DFH,0EFH
   25:	  003B	F7 FB FD FE			DB 0F7H,0FBH,0FDH,0FEH
   26:	  003F	00 FF 00 FF			DB 00H, 0FFH,00H, 0FFH
   27:	  0043	01				DB 01H
   28:						END





                     register banks used:  ---

                     no errors




ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 2





	       L I S T   O F   S Y M B O L S
	       =============================


SYMBOL				  TYPE     VALUE	LINE
------------------------------------------------------------
AC				  BIT	      D6
ACC				  DATA	      E0
B				  DATA	      F0
CY				  BIT	      D7
D1				  CODE	    0016	  13
DELAY				  CODE	    0014	  12
DPH				  DATA	      83
DPL				  DATA	      82
EA				  BIT	      AF
ES				  BIT	      AC
ET0				  BIT	      A9
ET1				  BIT	      AB
EX0				  BIT	      A8
EX1				  BIT	      AA
EXTI0				  CODE	    0003
EXTI1				  CODE	    0013
F0				  BIT	      D5
IE				  DATA	      A8
IE0				  BIT	      89
IE1				  BIT	      8B
INT0				  BIT	      B2
INT1				  BIT	      B3
IP				  DATA	      B8
IT0				  BIT	      88
IT1				  BIT	      8A
LOOP				  CODE	    0003	   3
LOOP1				  CODE	    000A	   7
OV				  BIT	      D2
P				  BIT	      D0
P0				  DATA	      80
P1				  DATA	      90
P2				  DATA	      A0
P3				  DATA	      B0
PCON				  DATA	      87
PS				  BIT	      BC
PSW				  DATA	      D0
PT0				  BIT	      B9
PT1				  BIT	      BB
PX0				  BIT	      B8
PX1				  BIT	      BA
RB8				  BIT	      9A
RD				  BIT	      B7
REN				  BIT	      9C
RESET				  CODE	    0000
RI				  BIT	      98
RS0				  BIT	      D3
RS1				  BIT	      D4
RXD				  BIT	      B0
SBUF				  DATA	      99
SCON				  DATA	      98

ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 3



SYMBOL				  TYPE     VALUE	LINE
------------------------------------------------------------
SINT				  CODE	    0023
SM0				  BIT	      9F
SM1				  BIT	      9E
SM2				  BIT	      9D
SP				  DATA	      81
START				  CODE	    0000	   2
T0				  BIT	      B4
T1				  BIT	      B5
TABLE				  CODE	    001F	  18
TB8				  BIT	      9B
TCON				  DATA	      88
TF0				  BIT	      8D
TF1				  BIT	      8F
TH0				  DATA	      8C
TH1				  DATA	      8D
TI				  BIT	      99
TIMER0				  CODE	    000B
TIMER1				  CODE	    001B
TL0				  DATA	      8A
TL1				  DATA	      8B
TMOD				  DATA	      89
TR0				  BIT	      8C
TR1				  BIT	      8E
TXD				  BIT	      B1
WR				  BIT	      B6