calculator shift left style in keil c

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lgeorge123

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I wish to use 8052 to display ks0108 glcd , also wish to display char in effect of shift left style like calculator when pressing key , I search the web but no result is found , can someone give me some hits ?
 

Sure
Code: 
void StringMoveLeft (char * String, char Len)
{
        char tmp;
        char dat = String[0];
        char cnt;
        if (Len) tmp = Len-1;
                else tmp = StringLen(String)-1;
        for (cnt=0; cnt!=tmp; cnt++) String[cnt]=String[cnt+1];
        String[tmp]=dat;
}

void StringMoveRight (char * String, char Len)
{
        char tmp;
        char dat;
        char cnt;
        if (Len) tmp = Len-1;
                else tmp = StringLen(String)-1;
        dat = String[Len-1];
        for (cnt=tmp; cnt!=0; cnt--) String[cnt]=String[cnt-1];
        String[0]=dat;
}
 

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