110 lines
1.4 KiB
Plaintext
110 lines
1.4 KiB
Plaintext
$NOMOD51
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NAME ?C_STARTUP
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EXTRN CODE (?C_START)
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PUBLIC ?C_STARTUP
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IDATALEN EQU 100H
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CLKCON EQU 0B2H
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SSP_LEN EQU 0x1000 //Æ«ÒƵ½4KµÄÆðʼλÖÃ
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ISEG AT 0x80
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STACK: DS 128
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CSEG AT 0
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?C_STARTUP:
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LJMP STARTUP1
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?C_C51STARTUP SEGMENT CODE
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RSEG ?C_C51STARTUP
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STARTUP1:
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MOV SP, #STACK-1
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MOV CLKCON, #08H ;SETB HFON
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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ORL CLKCON, #04H ;SETB FS, SYSCLK=24M
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IF IDATALEN <> 0
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MOV R0,#IDATALEN - 1
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CLR A
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IDATALOOP: MOV @R0,A
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DJNZ R0,IDATALOOP
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ENDIF
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LJMP ?C_START
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CSEG AT 00003H
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LJMP SSP_LEN+00003H
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CSEG AT 0000BH
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LJMP SSP_LEN+0000BH
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CSEG AT 00013H
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LJMP SSP_LEN+00013H
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CSEG AT 0001BH
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LJMP SSP_LEN+0001BH
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CSEG AT 00023H
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LJMP SSP_LEN+00023H
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CSEG AT 0002BH
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LJMP SSP_LEN+0002BH
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CSEG AT 00033H
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LJMP SSP_LEN+00033H
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CSEG AT 0003BH
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LJMP SSP_LEN+0003BH
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CSEG AT 00043H
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LJMP SSP_LEN+00043H
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CSEG AT 0004BH
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LJMP SSP_LEN+0004BH
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CSEG AT 00053H
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LJMP SSP_LEN+00053H
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CSEG AT 0005BH
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LJMP SSP_LEN+0005BH
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CSEG AT 00063H
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LJMP SSP_LEN+00063H
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CSEG AT 0006BH
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LJMP SSP_LEN+0006BH
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CSEG AT 00073H
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LJMP SSP_LEN+00073H
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CSEG AT 0007BH
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LJMP SSP_LEN+0007BH
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CSEG AT 00083H
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LJMP SSP_LEN+00083H
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CSEG AT 0008BH
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LJMP SSP_LEN+0008BH
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CSEG AT 00093H
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LJMP SSP_LEN+00093H
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CSEG AT 0009BH
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LJMP SSP_LEN+0009BH
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CSEG AT 000A3H
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LJMP SSP_LEN+000A3H
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CSEG AT (1000H-200H)
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FlagCode: DS 512
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END |