private bool shiftLeft(what_to_shift section)
{
int counter;
int scroll_length;
int ref_length;
if (section == what_to_shift.nothing)
{
shift_position = 0;
return(true);
}
if (section == what_to_shift.first_line)
{
ref_length = line_lengths[0];
}
else
{
ref_length = x;
}
if (ref_length + 11 > max_line_length)
{
scroll_length = max_line_length;
}
else
{
scroll_length = ref_length + 11;
}
for (counter = 0; counter < scroll_length - 1; counter++)
{
if (shift_position + counter > scroll_length - 1)
{
if (section == what_to_shift.all) // all 16 lines
{
led_columns_red_out[counter] = led_columns_red[counter + shift_position - (scroll_length)];
led_columns_green_out[counter] = led_columns_green[counter + shift_position - (scroll_length)];
}
else if (section == what_to_shift.first_line) // upper 8 lines
{
led_columns_red_out[counter] = (UInt16)(led_columns_red[counter + shift_position - (scroll_length)] & 0xFF);
led_columns_red_out[counter] |= (UInt16)(led_columns_red[counter] & 0xFF00);
led_columns_green_out[counter] = (UInt16)(led_columns_green[counter + shift_position - (scroll_length)] & 0xFF);
led_columns_green_out[counter] |= (UInt16)(led_columns_green[counter] & 0xFF00);
}
else if (section == what_to_shift.second_line) // lower 8 lines
{
led_columns_red_out[counter] = (UInt16)(led_columns_red[counter + shift_position - (scroll_length)] & 0xFF00);
led_columns_red_out[counter] |= (UInt16)(led_columns_red[counter] & 0xFF);
led_columns_green_out[counter] = (UInt16)(led_columns_green[counter + shift_position - (scroll_length)] & 0xFF00);
led_columns_green_out[counter] |= (UInt16)(led_columns_green[counter] & 0xFF);
}
}
else
{
if (section == what_to_shift.all) // all 16 lines
{
led_columns_red_out[counter] = led_columns_red[shift_position + counter];
led_columns_green_out[counter] = led_columns_green[shift_position + counter];
}
else if (section == what_to_shift.first_line) // upper 8 lines
{
led_columns_red_out[counter] = (UInt16)(led_columns_red[shift_position + counter] & 0xFF);
led_columns_red_out[counter] |= (UInt16)(led_columns_red[counter] & 0xFF00);
led_columns_green_out[counter] = (UInt16)(led_columns_green[shift_position + counter] & 0xFF);
led_columns_green_out[counter] |= (UInt16)(led_columns_green[counter] & 0xFF00);
}
else if (section == what_to_shift.second_line) // lower 8 lines
{
led_columns_red_out[counter] = (UInt16)(led_columns_red[shift_position + counter] & 0xFF00);
led_columns_red_out[counter] |= (UInt16)(led_columns_red[counter] & 0xFF);
led_columns_green_out[counter] = (UInt16)(led_columns_green[shift_position + counter] & 0xFF00);
led_columns_green_out[counter] |= (UInt16)(led_columns_green[counter] & 0xFF);
}
}
}
shift_position++;
if (shift_position > ref_length + 11)
{
shift_position = 1;
return(false);
}
return(true);
}
private bool shiftLeft(what_to_shift section)
{
int counter;
int scroll_length;
int ref_length;
if(section == what_to_shift.nothing)
{
shift_position = 0;
return true;
}
if(section == what_to_shift.first_line)
ref_length = line_lengths[0];
else
ref_length = x;
if(ref_length + 11 > max_line_length)
scroll_length = max_line_length;
else
scroll_length = ref_length + 11;
for(counter=0;counter< scroll_length - 1;counter++)
{
if(shift_position + counter > scroll_length - 1)
{
if(section == what_to_shift.all) // all 16 lines
{
led_columns_red_out[counter] = led_columns_red[counter + shift_position - (scroll_length)];
led_columns_green_out[counter] = led_columns_green[counter + shift_position - (scroll_length)];
}
else if(section == what_to_shift.first_line) // upper 8 lines
{
led_columns_red_out[counter] = (UInt16)(led_columns_red[counter + shift_position - (scroll_length)] & 0xFF);
led_columns_red_out[counter] |= (UInt16)(led_columns_red[counter] & 0xFF00);
led_columns_green_out[counter] = (UInt16)(led_columns_green[counter + shift_position - (scroll_length)] & 0xFF);
led_columns_green_out[counter] |= (UInt16)(led_columns_green[counter] & 0xFF00);
}
else if(section == what_to_shift.second_line) // lower 8 lines
{
led_columns_red_out[counter] = (UInt16)(led_columns_red[counter + shift_position - (scroll_length)] & 0xFF00);
led_columns_red_out[counter] |= (UInt16)(led_columns_red[counter] & 0xFF);
led_columns_green_out[counter] = (UInt16)(led_columns_green[counter + shift_position - (scroll_length)] & 0xFF00);
led_columns_green_out[counter] |= (UInt16)(led_columns_green[counter] & 0xFF);
}
}
else
{
if(section == what_to_shift.all) // all 16 lines
{
led_columns_red_out[counter] = led_columns_red[shift_position+counter];
led_columns_green_out[counter] = led_columns_green[shift_position+counter];
}
else if(section == what_to_shift.first_line) // upper 8 lines
{
led_columns_red_out[counter] = (UInt16)(led_columns_red[shift_position+counter] & 0xFF);
led_columns_red_out[counter] |= (UInt16)(led_columns_red[counter] & 0xFF00);
led_columns_green_out[counter] = (UInt16)(led_columns_green[shift_position+counter] & 0xFF);
led_columns_green_out[counter] |= (UInt16)(led_columns_green[counter] & 0xFF00);
}
else if(section == what_to_shift.second_line) // lower 8 lines
{
led_columns_red_out[counter] = (UInt16)(led_columns_red[shift_position+counter] & 0xFF00);
led_columns_red_out[counter] |= (UInt16)(led_columns_red[counter] & 0xFF);
led_columns_green_out[counter] = (UInt16)(led_columns_green[shift_position+counter] & 0xFF00);
led_columns_green_out[counter] |= (UInt16)(led_columns_green[counter] & 0xFF);
}
}
}
shift_position++;
if(shift_position > ref_length + 11)
{
shift_position = 1;
return false;
}
return true;
}
