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MOV PSW,#08H
ACALL OutData
POP PSW
POP ACC
RETI
;======SUB CODE================================
uart_sub SEGMENT CODE
RSEG uart_sub
USING 0
;******************************************************************
;initial the display RAM data
;if want to display other,then you may add other data to this RAM
;Com0: Com0Data0,Com0Data1,Com0Data2
;Com1: Com1Data0,Com1Data1,Com1Data2
;Com2: Com2Data0,Com0Data1,Com0Data2
;*******************************************************************
InitComData: ;it will display "11111111"
MOV Com0Data0,#24H
MOV Com0Data1,#49H
MOV Com0Data2,#92H
MOV Com1Data0,#92H
MOV Com1Data1,#24H
MOV Com1Data2,#49H
MOV Com2Data0,#00H
MOV Com2Data1,#00H
MOV Com2Data2,#00H
RET
;********************************************************************
;reverse the display data
;********************************************************************
RetComData:
MOV R0,#Com0Data0 ;get the first data address
MOV R7,#9
RetCom_0:
MOV A,@R0
CPL A
MOV @R0,A
INC R0
DJNZ R7,RetCom_0
RET