diff --git a/lumber.asm b/lumber.asm
index 8eeed2f..599d7a5 100644
--- a/lumber.asm
+++ b/lumber.asm
@@ -42,6 +42,7 @@ display = $a000
     .zpvar birdsHpos    .byte   ; 0 - no birds on screen (from $13 to $de)
     .zpvar birdsOffset  .byte
     .zpvar clouds1Hpos,clouds2Hpos,clouds3Hpos  .byte     ; 0 - no cloud on screen (from $0e to $de)
+    .zpvar PAL_NTSC_colors  .byte  ; $10 - NTSC , $00 - PAL
      ; PMG registers for sprites over horizon	
     .zpvar HPOSP0_u   .byte	
     .zpvar HPOSP1_u   .byte	
@@ -311,7 +312,8 @@ key_released
 .proc IngameDLI1
 ;--------------------------------------------------
     pha
-    mva #$0c COLPF2 ; white (numbers and letters)
+    SetColor #$0c
+    sta COLPF2 ; white (numbers and letters)
     ; set cloud 2 horizontal position
     lda clouds2Hpos
     clc
@@ -344,16 +346,20 @@ DLI3
     pha
     sta WSYNC
     mva LowCharsetBase CHBASE
-    mva #$f6 COLPF3 ; light brown
+    SetColor #$f6
+    sta COLPF3 ; light brown
     ;nop
     ;nop
     ;nop
-    mva #$B4 COLBAK ; thin line
+    SetColor #$B4
+    sta COLBAK ; thin line
     sta WSYNC
-    mva #$DA COLBAK ; additional lines
+    SetColor #$DA
+    sta COLBAK ; additional lines
     sta WSYNC
     sta WSYNC
-    mva #$c8 COLBAK ; green
+    SetColor #$c8
+    sta COLBAK ; green
     ; under horizon
     ; PMG colors, horizontal coordinates and sizes
     txa
@@ -372,16 +378,19 @@ DLI3
 DLI4
     pha
     sta WSYNC
-    mva #$82 COLPF2 ; hat
+    SetColor #$82
+    sta COLPF2 ; hat
     :4 STA WSYNC
-    mva #$0c COLPF2
+    SetColor #$0c
+    sta COLPF2
     mwa #IngameDLI1.DLI5 VDSLST
     pla
     rti
 DLI5
     pha
     sta WSYNC
-    mva #$ea COLPF2 ; button and buckle
+    SetColor #$ea
+    sta COLPF2 ; button and buckle
     mva #>font_game_upper CHBASE
     mwa #IngameDLI1.DLI6 VDSLST
     pla
@@ -391,7 +400,8 @@ DLI6
     sta WSYNC
     sta WSYNC
     sta WSYNC
-    mva #$94 COLPF2 ; blue pants
+    SetColor #$94
+    sta COLPF2 ; blue pants
     pla
     rti
 .endp
@@ -757,22 +767,36 @@ no_branch_l
 ;--------------------------------------------------
 .proc RestoreRedBar
 ;--------------------------------------------------
-    mva #$36 COLOR2 ; red
+    SetColor #$36
+    sta COLOR2 ; red
     rts
 .endp
 ;--------------------------------------------------
 .proc initialize
 ;--------------------------------------------------
-     
+    lda #$00
+    sta PAL_NTSC_colors
+    lda PAL
+    and #%00001110
+    beq not_NTSC
+    lda #$10
+    sta PAL_NTSC_colors ; color value modifier for SetColor macro
+not_NTSC
     mva #>font_game_upper CHBAS
     mva #>font_game_lower_right LowCharsetBase
-    mva #$00 PCOLR0 ; = $02C0 ;- - rejestr-cień COLPM0
+    SetColor #$00
+    sta PCOLR0 ; = $02C0 ;- - rejestr-cień COLPM0
 
-    mva #$00 COLOR0
-    mva #$88 COLBAKS ; sky
-    mva #$f4 COLOR1 ; dark brown
-    mva #$36 COLOR2 ; red
-    mva #$f6 COLOR3 ; light brown
+    SetColor #$00
+    sta COLOR0
+    SetColor #$88
+    sta COLBAKS ; sky
+    SetColor #$f4
+    sta COLOR1 ; dark brown
+    SetColor #$36
+    sta COLOR2 ; red
+    SetColor #$f6
+    sta COLOR3 ; light brown
     ;mva #$ff COLOR4
 
     ;clear P/M memory
@@ -857,8 +881,10 @@ no_branch_l
     sta SIZEP3_d
     lda #%01011111
     sta SIZEM_d
-    mva #$22 COLPM2_d
-    mva #$24 COLPM3_d
+    SetColor #$22
+    sta COLPM2_d
+    SetColor #$24
+    sta COLPM3_d
     ; Lumberjack hand
     ldx #datalinesP0-1
 @   lda P0_data,x
@@ -866,7 +892,8 @@ no_branch_l
     dex
     bpl @-
     mva #0 SIZEP0_d
-    mva #$2a COLPM0_d
+    SetColor #$2a
+    sta COLPM0_d
     ; Lumberjack face
     ldx #datalinesM0-1
 @   lda PMmemory+$180+HoffsetM0,x
@@ -881,7 +908,8 @@ no_branch_l
     sta PMmemory+$180+HoffsetM1,x
     dex
     bpl @-
-    mva #$2a COLPM1_d
+    SetColor #$2a
+    sta COLPM1_d
     ; Lumberjack both hands
     ldx #datalinesP1-1
 @   lda P1_data,x
@@ -951,7 +979,8 @@ datalinesP1=5
     jsr bird_a
     mva #0 SIZEP0_u
     sta SIZEP1_u
-    mva #$04 PCOLR0
+    SetColor #$04
+    sta PCOLR0
     sta PCOLR1
     lda #1
     sta birdsHpos
@@ -1020,7 +1049,8 @@ datalines_bird=8
     sta SIZEP3_u
     lda #%01010101
     sta SIZEM_u
-    mva #$0c PCOLR2
+    SetColor #$0c
+    sta PCOLR2
     sta PCOLR3
     lda #36
     sta clouds2Hpos
@@ -1901,5 +1931,12 @@ song_main_menu  = $00
 song_ingame     = $07
 song_game_over  = $12
 
+;-------------------------------------
+  .MACRO SetColor
+    lda :1
+    clc
+    adc PAL_NTSC_colors
+  .ENDM
+;-------------------------------------
 
     RUN main
diff --git a/lumber.xex b/lumber.xex
index 7c3924e..93e3b76 100644
Binary files a/lumber.xex and b/lumber.xex differ