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📄 src.asm

📁 反汇编MSC-51系列单片机源码!目前支持BIN文件,要想支持HEX格式!大家可以自己下载去修改!目前版本没有识别DATA段功能!
💻 ASM
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字号:
;//=====================================================================================
;//
;//	模块:	<模块名称>
;//
;//	版本:	<版本号>
;//
;//	日期:	<日期>
;//
;//	作者:	<作者>
;//
;//	说明:	<模块说明>
;//
;//=====================================================================================

;//-------------------------------------------------------------------------------------
;// 常量定义:
;//-------------------------------------------------------------------------------------

;ACC		EQU	0xe0
;B		EQU	0xf0
;PSW		EQU	0xd0
;SP		EQU	0xf0
;DPL		EQU	0x82
;DPH		EQU	0x83
;P0		EQU	0x80
;P1		EQU	0x90
;P2		EQU	0xa0
;P3		EQU	0xb0
;IP		EQU	0xb8
;IE		EQU	0xa8
;TMOD		EQU	0x89
;TCON		EQU	0x88
;T2CON		EQU	0xa8
;TH0		EQU	0x8c
;TL0		EQU	0x8a
;TH1		EQU	0x8d
;TL1		EQU	0x8b
;TH2		EQU	0xcd
;TL2		EQU	0xcc
;RCAP2H		EQU	0xcb
;RCAP2L		EQU	0xca
;SCON		EQU	0x98
;SBUF		EQU	0x99
;TR1		EQU	0x87
;PCON		EQU	0x8e
;//-------------------------------------------------------------------------------------
;// 变量定义:
;//-------------------------------------------------------------------------------------

;//-------------------------------------------------------------------------------------
;// 代码开始:
;//-------------------------------------------------------------------------------------
		ORG     0x00
		LJMP    lab_02b7
lab_0003:
		MOV     A,@R1
		INC     R1
		MOV     @R0,A
		INC     R0
		DJNZ    R7,lab_0003
		SJMP    lab_0051
lab_000b:
		MOV     A,@R1
		INC     R1
		MOVX    @R0,A
		INC     R0
		DJNZ    R7,lab_000b
		SJMP    lab_0051
lab_0013:
		MOV     DPL,R0
		MOV     DPH,R4
lab_0017:
		MOV     A,@R1
		INC     R1
		MOVX    @DPTR,A
		INC     DPTR
		DJNZ    R7,lab_0017
		SJMP    lab_0051
lab_001f:
		MOVX    A,@R1
lab_0020:
		INC     R1
		MOV     @R0,A
		INC     R0
		DJNZ    R7,lab_001f
		SJMP    lab_009f
lab_0027:
		MOVX    A,@R1
		INC     R1
		MOVX    @R0,A
		INC     R0
		DJNZ    R7,lab_0027
		SJMP    lab_009f
lab_002f:
		MOV     DPL,R0
lab_0031:
		MOV     DPH,R4
lab_0033:
		MOVX    A,@R1
		INC     R1
		MOVX    @DPTR,A
		INC     DPTR
		DJNZ    R7,lab_0033
		SJMP    lab_009f
lab_003b:
		MOV     DPL,R1
		MOV     DPH,R2
lab_003f:
		MOVX    A,@DPTR
		INC     DPTR
		MOV     @R0,A
lab_0042:
		INC     R0
		DJNZ    R7,lab_003f
		SJMP    lab_009f
lab_0047:
		MOV     DPL,R1
		MOV     DPH,R2
lab_004b:
		MOVX    A,@DPTR
		INC     DPTR
		MOVX    @R0,A
		INC     R0
		DJNZ    R7,lab_004b
lab_0051:
		SJMP    lab_009f
		SJMP    lab_0027
		SJMP    lab_0051
		SJMP    lab_001f
		SJMP    lab_002f
		SJMP    lab_00c6
		SJMP    lab_0051
		SJMP    lab_0094
		SJMP    lab_0073
		SJMP    lab_000b
		SJMP    lab_0051
		SJMP    lab_0003
		SJMP    lab_0013
		SJMP    lab_0047
		SJMP    lab_0051
		SJMP    lab_003b
		SJMP    lab_00a6
lab_0073:
		MOV     DPL,R1
		MOV     DPH,R2
		MOV     A,R4
		MOV     R2,A
lab_0079:
		CLR     A
		MOVC    A,@A + DPTR
		INC     DPTR
		XCH     A,R0
		XCH     A,DPL
		XCH     A,R0
		XCH     A,R4
		XCH     A,DPH
		XCH     A,R4
		MOVX    @DPTR,A
		INC     DPTR
		XCH     A,R0
		XCH     A,DPL
		XCH     A,R0
		XCH     A,R4
		XCH     A,DPH
		XCH     A,R4
		DJNZ    R7,lab_0079
		DJNZ    R6,lab_0079
		SJMP    lab_00a1
lab_0094:
		MOV     DPL,R1
		MOV     DPH,R2
lab_0098:
		CLR     A
		MOVC    A,@A + DPTR
		INC     DPTR
		MOV     @R0,A
		INC     R0
		DJNZ    R7,lab_0098
lab_009f:
		MOV     A,R4
		MOV     R2,A
lab_00a1:
		MOV     B,R1
		MOV     A,R5
		MOV     R3,A
		RET
;--------------------------------------------------------------------------------------
; Function:
;--------------------------------------------------------------------------------------
lab_00a6:
		MOV     DPL,R1
		MOV     DPH,R2
		MOV     A,R4
		MOV     R2,A
lab_00ac:
		MOVX    A,@DPTR
		INC     DPTR
		XCH     A,R0
		XCH     A,DPL
		XCH     A,R0
		XCH     A,R4
		XCH     A,DPH
		XCH     A,R4
		MOVX    @DPTR,A
		INC     DPTR
		XCH     A,R0
		XCH     A,DPL
		XCH     A,R0
		XCH     A,R4
		XCH     A,DPH
		XCH     A,R4
		DJNZ    R7,lab_00ac
		DJNZ    R6,lab_00ac
		SJMP    lab_00a1
lab_00c6:
		MOV     DPL,R1
		MOV     DPH,R2
lab_00ca:
		CLR     A
		MOVC    A,@A + DPTR
		INC     DPTR
		MOVX    @R0,A
		INC     R0
		DJNZ    R7,lab_00ca
		SJMP    lab_009f
lab_00d3:
		MOV     B,R0
		MOV     A,R7
		JZ      lab_00d9
		INC     R6
lab_00d9:
		ORL     A,R6
		JZ      lab_009f
		MOV     B,R0
		MOV     A,R5
		ADD     A,#002H
		CJNE    A,#004H,lab_00e4
lab_00e4:
		JNC     lab_009f
		MOV     DPL,A
		MOV     A,R3
		ADD     A,#002H
		CJNE    A,#004H,lab_00ee
lab_00ee:
		JNC     lab_009f
		RL      A
		RL      A
		ORL     A,DPL
		RL      A
		MOV     DPTR,#000H
		JMP     @A + DPTR
lab_00f9:
		CJNE    R3,#001H,lab_0107
		MOV     A,DPL
		ADD     A,R1
		MOV     DPL,A
		MOV     A,DPH
		MOV     DPH,A
		MOVX    A,@DPTR
		RET
;--------------------------------------------------------------------------------------
; Function:
;--------------------------------------------------------------------------------------
lab_0107:
		JNC     lab_010f
		MOV     A,R1
		ADD     A,DPL
		MOV     R0,A
		MOV     A,@R0
		RET
;--------------------------------------------------------------------------------------
; Function:
;--------------------------------------------------------------------------------------
lab_010f:
		CJNE    R3,#0feH,lab_0118
		MOV     A,R1
		ADD     A,DPL
		MOV     R0,A
		MOVX    A,@R0
		RET
;--------------------------------------------------------------------------------------
; Function:
;--------------------------------------------------------------------------------------
lab_0118:
		MOV     A,DPL
		ADD     A,R1
		MOV     DPL,A
		MOV     A,DPH
		MOV     DPH,A
		CLR     A
		MOVC    A,@A + DPTR
		RET
;--------------------------------------------------------------------------------------
; Function:
;--------------------------------------------------------------------------------------
lab_0124:
		MOV     R0,A
		CJNE    R3,#001H,lab_0134
		MOV     A,DPL
		ADD     A,R1
		MOV     DPL,A
		MOV     A,DPH
		MOV     DPH,A
		MOV     A,R0
		MOVX    @DPTR,A
		RET
;--------------------------------------------------------------------------------------
; Function:
;--------------------------------------------------------------------------------------
lab_0134:
		JNC     lab_013c
		MOV     A,R1
		ADD     A,DPL
		XCH     A,R0
		MOV     @R0,A
		RET
;--------------------------------------------------------------------------------------
; Function:
;--------------------------------------------------------------------------------------
lab_013c:
		CJNE    R3,#0feH,lab_0144
		MOV     A,R1
		ADD     A,DPL
		XCH     A,R0
		MOVX    @R0,A
lab_0144:
		RET
;--------------------------------------------------------------------------------------
; Function:
;--------------------------------------------------------------------------------------
lab_0145:
		CLR     0xd5
		MOV     A,R4
		JNB     0xe7,lab_0154
		CPL     0xd5
		CLR     A
		CLR     C
		SUBB    A,R5
		MOV     R5,A
		CLR     A
		SUBB    A,R4
		MOV     R4,A
lab_0154:
		MOV     A,R6
		JNB     0xe7,lab_016d
		CPL     0xd5
		CLR     A
		CLR     C
		SUBB    A,R7
		MOV     R7,A
		CLR     A
		SUBB    A,R6
		MOV     R6,A
		LCALL   lab_017b
		CLR     C
		CLR     A
		SUBB    A,R5
		MOV     R5,A
		CLR     A
		SUBB    A,R4
		MOV     R4,A
		SJMP    lab_0170
lab_016d:
		LCALL   lab_017b
lab_0170:
		JNB     0xd5,lab_017a
		CLR     C
		CLR     A
		SUBB    A,R7
		MOV     R7,A
		CLR     A
		SUBB    A,R6
		MOV     R6,A
lab_017a:
		RET
;--------------------------------------------------------------------------------------
; Function:
;--------------------------------------------------------------------------------------
lab_017b:
		CJNE    R4,#000H,lab_0189
		CJNE    R6,#000H,lab_01aa
		MOV     A,R7
		MOV     B,R5
		DIV     AB
		MOV     R7,A
		MOV     B,R5
		RET
;--------------------------------------------------------------------------------------
; Function:
;--------------------------------------------------------------------------------------
lab_0189:
		CLR     A
		XCH     A,R4
		MOV     R0,A
		MOV     B,#008H
lab_018f:
		MOV     A,R7
		ADD     A,R7
		MOV     R7,A
		MOV     A,R6
		RLC     A
		MOV     R6,A
		MOV     A,R4
		RLC     A
		MOV     R4,A
		MOV     A,R6
		SUBB    A,R5
		MOV     A,R4
		SUBB    A,R0
		JC      lab_01a3
		MOV     R4,A
		MOV     A,R6
		SUBB    A,R5
		MOV     R6,A
		INC     R7
lab_01a3:
		DJNZ    B,lab_018f
		CLR     A
		XCH     A,R6
		MOV     R5,A
		RET
;--------------------------------------------------------------------------------------
; Function:
;--------------------------------------------------------------------------------------
lab_01aa:
		MOV     A,R5
		MOV     R0,A
		MOV     B,A
		MOV     A,R6
		DIV     AB
		JB      0xd2,lab_01cf
		MOV     R6,A
		MOV     B,R5
		MOV     B,#008H
lab_01b9:
		MOV     A,R7
		ADD     A,R7
		MOV     R7,A
		MOV     A,R5
		RLC     A
		MOV     R5,A
		JC      lab_01c8
		SUBB    A,R0
		JNC     lab_01ca
		DJNZ    B,lab_01b9
		RET
;--------------------------------------------------------------------------------------
; Function:
;--------------------------------------------------------------------------------------
lab_01c8:
		CLR     C
		SUBB    A,R0
lab_01ca:
		MOV     R5,A
		INC     R7
		DJNZ    B,lab_01b9
lab_01cf:
		RET
;--------------------------------------------------------------------------------------
; Function:
;--------------------------------------------------------------------------------------
lab_01d0:
		MOV     R0,#008H
		MOV     R4,#000H
		MOV     R5,#000H
		MOV     R3,#0ffH
		MOV     R2,#005H
		MOV     R1,#018H
		MOV     R6,#000H
		MOV     R7,#00fH
		LCALL   lab_00d3
		CLR     A
		MOV     0x17,A
		MOV     0x18,A
		MOV     0x19,A
		MOV     0x1a,A
		MOV     0x1b,A
lab_01ee:
		INC     0x1b
		MOV     0x1b,R3
		CLR     A
		MOV     R5,A
		MOV     R7,#0a0H
		LCALL   lab_03d2
		MOV     0x19,R6
		MOV     0x1a,R7
		CLR     A
		MOV     R5,A
		MOV     R7,#0a0H
		LCALL   lab_0388
		MOV     0x19,R6
		MOV     0x1a,R7
		MOV     0x1b,R3
		CLR     A
		MOV     R5,A
		MOV     R7,#0b0H
		LCALL   lab_03d2
		MOV     0x17,R6
		MOV     0x18,R7
		CLR     A
		MOV     R5,A
		MOV     R7,#0b1H
		LCALL   lab_0388
		MOV     0x17,R6
		MOV     0x18,R7
		LCALL   lab_04b8

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