Hi again 
 i use this code :

include 18f4520
pragma target clock   8_000_000                   -- Fosc
pragma target OSC     hs
pragma target LVP     disabled
--
-- GRAPHIC_LCD IO definition ------------------------
var byte GLCD_DATAPRT     is portD
var byte GLCD_DATAPRT_DIR is portD_direction

alias GLCD_CS1 is pin_b0
alias GLCD_CS2 is pin_b1
alias GLCD_RST is pin_b2
alias GLCD_RW  is pin_c1
alias GLCD_E   is pin_b3
alias GLCD_DI  is pin_b4
--
alias GLCD_CS1_DIRECTION is pin_b0_direction
alias GLCD_CS2_DIRECTION is pin_b1_direction
alias GLCD_RST_DIRECTION is pin_b2_direction
alias GLCD_RW_DIRECTION  is pin_c1_direction
alias GLCD_E_DIRECTION   is pin_b3_direction
alias GLCD_DI_DIRECTION  is pin_b4_direction

const GLCD_CLIPPING = TRUE                         -- enable clipping (of 
ellipse)

enable_digital_io()                                -- all pins digital I/O
include delay
include math
include print
include glcd_5x7_font
include glcd_6x8_font
include glcd_font                                  -- common font stuff
glcd_font_use(FONT_5X7)                            -- activate font

include glcd_ks0108                                -- glcd device dependent 
library
include glcd_common                                -- device independent 
glcd library

glcd_init()                                        -- initialize display

---------------------------
glcd_clear_screen()
var word n = 0
var byte i = 40
--
--
glcd_box(0,0,127,63)
--
--
forever loop

end loop

----------------------
glcd_box(0,0,127,63) 

this is code doesn't work??

but if i change that to glcd_box(0,0,127,55) < this works correctly ?

can somebody help me ??


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