diff --git a/programs/demos/movback/trunk/movback.asm b/programs/demos/movback/trunk/movback.asm
index e57490145e..6be90ca34b 100644
--- a/programs/demos/movback/trunk/movback.asm
+++ b/programs/demos/movback/trunk/movback.asm
@@ -37,11 +37,8 @@ CODE
     add word [ver_counter],VC_DELTA
     add word [hor_counter],HC_DELTA
     call handle_animation
-    mov eax,7
-    mov ebx,virtual_screen_32
-    mov ecx,(WND_SIZE_X shl 16)+WND_SIZE_Y
-    xor edx,edx
-    mcall
+    xor ebp,ebp
+    mcall 65,virtual_screen_8,<WND_SIZE_X,WND_SIZE_Y>,<0,0>,8,_palette
     jmp .event_loop
 
 .paint_window:
@@ -50,21 +47,16 @@ CODE
     mov ebx,1
     mcall
 
-    xor eax,eax
-    mov ebx,(100 shl 16)+(WND_SIZE_X+9)
-    mov ecx,(100 shl 16)+(WND_SIZE_Y+26)
-    mov edx,0x74000000
+    mcall 48,4 ; get skin height
+    lea ecx,[eax + (100 shl 16) + WND_SIZE_Y+4]
     mov edi,title
-    mcall
+    mcall 0,<100,WND_SIZE_X+9>,,0x74000000
 
     test [proc_info.wnd_state], 0x04
     jnz @f
 
-    mov eax,7
-    mov ebx,virtual_screen_32
-    mov ecx,(WND_SIZE_X shl 16)+WND_SIZE_Y
-    xor edx,edx
-    mcall
+    xor ebp,ebp
+    mcall 65,virtual_screen_8,<WND_SIZE_X,WND_SIZE_Y>,<0,0>,8,_palette
   @@:
     mov eax,12
     mov ebx,2
@@ -82,7 +74,7 @@ init_palette:
     stosb
     stosb
     stosb
-    inc edi
+    stosb
     inc ah
     loop .next_pal
     ret
@@ -136,7 +128,7 @@ handle_animation:
     add ebx,ebx
     mov ax,[sinetable+ebx]
     mov [esp+s_OFFX],ax
-    mov edi,virtual_screen_32
+    mov edi,virtual_screen_8
     mov edx,WND_SIZE_Y-1
 .a_ver:
     mov ecx,WND_SIZE_X-1
@@ -148,12 +140,7 @@ handle_animation:
     mov ax,[esp+s_OFFX]
     add ax,cx
     and eax,255
-    lea esi,[background+ebx+eax]
-    mov al,[esi]
-    and eax,0xff
-    mov eax,[_palette+eax*4]
-    stosw
-    shr eax,16
+    mov al,[background+ebx+eax]
     stosb
     dec ecx
     jge .a_hor
@@ -174,8 +161,8 @@ UDATA
 
   _palette:	rd 256
 
-  virtual_screen_32:
-  	rb WND_SIZE_X*WND_SIZE_Y*3
+  virtual_screen_8:
+  	rb WND_SIZE_X*WND_SIZE_Y
 
   background:
   	rb 256*256
diff --git a/programs/demos/plasma/trunk/graph8.inc b/programs/demos/plasma/trunk/graph8.inc
deleted file mode 100644
index d8350e56c7..0000000000
--- a/programs/demos/plasma/trunk/graph8.inc
+++ /dev/null
@@ -1,16 +0,0 @@
-blit_8_to_32:
-    mov esi,virtual_screen_8		; ESI=src
-    mov edi,virtual_screen_32		; EDI=dst
-    mov ecx,WND_SIZE_X*WND_SIZE_Y	; ECX=size
-.blit_next:
-    xor eax,eax				; EAX=byte to blit
-    mov al,[esi]
-    shl eax,2
-    mov eax,[_palette+eax]
-    mov [edi],ax
-    shr eax,16
-    mov [edi+2],al
-    inc esi
-    add edi,3
-    loop .blit_next
-    ret
diff --git a/programs/demos/plasma/trunk/plasma.asm b/programs/demos/plasma/trunk/plasma.asm
index f547599c11..e10721426f 100644
--- a/programs/demos/plasma/trunk/plasma.asm
+++ b/programs/demos/plasma/trunk/plasma.asm
@@ -8,16 +8,12 @@ WND_SIZE_Y		= 200
 MEOS_APP_START
 CODE
     fninit
-    mov al,40
-    mov bl,101b
-    mcall
+    mcall 40,101b
     call init_palette
     call init_texture
     jmp .paint_window
 .event_loop:
-    mov al,23
-    mov ebx,1
-    mcall
+    mcall 23,1
     test eax,eax
     je .draw_screen
     dec eax
@@ -27,38 +23,23 @@ CODE
     mcall
 
 .draw_screen:
-    call blit_8_to_32
-    mov al,7
-    mov ebx,virtual_screen_32
-    mov ecx,(WND_SIZE_X shl 16)+WND_SIZE_Y
-    xor edx,edx
-    mcall
+    xor ebp,ebp
+    mcall 65,virtual_screen_8,<WND_SIZE_X,WND_SIZE_Y>,0,8,_palette
     call rotate_pal
     jmp .event_loop
 
 .paint_window:
-    mov al,12
-    push eax
-    xor ebx,ebx
-    inc ebx
-    mcall
+    mcall 12,1
 
-    xor eax,eax
-    mov ebx,(110 shl 16)+(WND_SIZE_X+9)
-    mov ecx,(110 shl 16)+(WND_SIZE_Y+26)
-    mov edx,0x74000000
+    mcall 48,4 ; get skin height
+    lea ecx,[eax + (110 shl 16) + WND_SIZE_Y + 4]
     mov edi,title
-    mcall
+    mcall 0,<110,WND_SIZE_X+9>,,0x74000000
 
-    mov al,7
-    mov ebx,virtual_screen_32
-    mov ecx,(WND_SIZE_X shl 16)+WND_SIZE_Y
-    xor edx,edx
-    mcall
+    xor ebp,ebp
+    mcall 65,virtual_screen_8,<WND_SIZE_X,WND_SIZE_Y>,0,8,_palette
 
-    pop eax
-    and ebx,2 ; bit 1 is set
-    mcall
+    mcall 12,2
 
     jmp .event_loop
 
@@ -73,7 +54,7 @@ init_palette:
     xor al,al
     stosb
     stosb
-    inc edi
+    stosb
     loop .color1
     mov ecx,64
     push ecx
@@ -85,8 +66,8 @@ init_palette:
     stosb
     xor al,al
     stosb
+    stosb
     inc ah
-    inc edi
     loop .color2
     pop ecx
     push ecx
@@ -97,8 +78,9 @@ init_palette:
     stosb
     mov al,ah
     stosb
+    mov al,0
+    stosb
     inc ah
-    inc edi
     loop .color3
     pop ecx
     mov eax,0x003f3f3f
@@ -156,8 +138,6 @@ rotate_pal:
     mov [_palette+1020],ebx
     ret
 
-include "graph8.inc"
-
 DATA
   _multiplier	dd 63.5
 
@@ -172,7 +152,4 @@ UDATA
   virtual_screen_8:
    	rb WND_SIZE_X*WND_SIZE_Y
 
-  virtual_screen_32:
-   	rb WND_SIZE_X*WND_SIZE_Y*3
-
 MEOS_APP_END