Graphical Displays with PBP3

[spcw1234]

The display layout still isn't quite right. Here is a simple program that displays a 16x16 image in all 4 corners the ones on the left side are good, but the right side locations are wrong.

'PIC18F26K22
#CONFIG
  CONFIG  FOSC = INTIO67
  CONFIG  PLLCFG = ON
  CONFIG  PRICLKEN = ON
  CONFIG  FCMEN = OFF
  CONFIG  IESO = OFF
  CONFIG  PWRTEN = ON
  CONFIG  BOREN = SBORDIS
  CONFIG  BORV = 190
  CONFIG  WDTEN = ON
  CONFIG  WDTPS = 32768
  CONFIG  CCP2MX = PORTC1
  CONFIG  PBADEN = OFF
  CONFIG  CCP3MX = PORTB5                                
  CONFIG  T3CMX = PORTC0
  CONFIG  HFOFST = ON
  CONFIG  P2BMX = PORTB5
  CONFIG  MCLRE = EXTMCLR
  CONFIG  STVREN = ON
  CONFIG  LVP = OFF
  CONFIG  XINST = OFF
  CONFIG  DEBUG = OFF
  CONFIG  CP0 = OFF
  CONFIG  CP1 = OFF
  CONFIG  CP2 = OFF
  CONFIG  CP3 = OFF
  CONFIG  CPB = OFF
  CONFIG  CPD = OFF
  CONFIG  WRT0 = OFF
  CONFIG  WRT1 = OFF
  CONFIG  WRT2 = OFF
  CONFIG  WRT3 = OFF
  CONFIG  WRTC = OFF
  CONFIG  WRTB = OFF
  CONFIG  WRTD = OFF
  CONFIG  EBTR0 = OFF
  CONFIG  EBTR1 = OFF
  CONFIG  EBTR2 = OFF
  CONFIG  EBTR3 = OFF
  CONFIG  EBTRB = OFF
#ENDCONFIG       
DEFINE OSC 64
    clear
    ssd1306_addr con $78 
    #DEFINE colours 1   ;1 mono 2 rg or 3 rgb
    width  con 128      
    height con 64      
    h_offset con 0
    
    include "grx.pbpMOD" 
    include "SSD1306.pbpMOD"
    BUFF     VAR BYTE[32]
    ANSELB=0
    ANSELC=0
    ANSELA=0
    OSCCON=$70
    OSCTUNE.6=1
    gosub glcd_init
    gosub grf_clr
    gosub show 

main:     ' Rotate icon clockwise around display corners
    DMDBMP 0,0,TestIcon       'top left 16x16 CORRECT PLACEMENT!
    gosub show
    pause 1000
    gosub grf_clr
    gosub show
    
    DMDBMP 111,0,TestIcon       'top right 16x16 WRONT PLACEMENT!
    gosub show
    pause 1000
    gosub grf_clr
    gosub show   
    
    DMDBMP 111,47,TestIcon       'bottom right 16x16 WRONG PLACEMENT!
    gosub show
    pause 1000
    gosub grf_clr
    gosub show   

    DMDBMP 0,47,TestIcon       'bottom left 16x16 CORRECT PLACEMENT!
    gosub show
    pause 1000
    gosub grf_clr
    gosub show   
goto main 
 
end

TestIcon:
@ db 0x10,0x10 ;16x16
@ db 0xFF,0xFF;
@ db 0xC0,0x03;
@ db 0xA0,0x05;
@ db 0x90,0x09;
@ db 0x88,0x11;
@ db 0x84,0x21;
@ db 0x82,0x41;
@ db 0x81,0x81;
@ db 0x81,0x81;
@ db 0x82,0x41;
@ db 0x84,0x21;
@ db 0x88,0x11;
@ db 0x90,0x09;
@ db 0xA0,0x05;
@ db 0xC0,0x03;
@ db 0xFF,0xFF;