diff --git a/pat80-io-devices/composite-pal-adapter/software/avr-assembly/character_generator.asm b/pat80-io-devices/composite-pal-adapter/software/avr-assembly/character_generator.asm
index 2f07e9c..7e27df4 100644
--- a/pat80-io-devices/composite-pal-adapter/software/avr-assembly/character_generator.asm
+++ b/pat80-io-devices/composite-pal-adapter/software/avr-assembly/character_generator.asm
@@ -75,10 +75,11 @@ cursor_pos_home:
 	clr POS_ROWP
 	clr POS_FINE
 	; Load framebuffer start position to Y
-	ldi YH, high(FRAMEBUFFER)
-	ldi YL, low(FRAMEBUFFER)
-	; ldi YH, high(0x1000)
-	; ldi YL, low(0x1000)
+	; ldi YH, high(FRAMEBUFFER)
+	; ldi YL, low(FRAMEBUFFER)
+	; TODO: First 3 lines are not visible! Outside of screen!
+	ldi YH, high(0x780)
+	ldi YL, low(0x780)
 	ret
 
 ; Updates framebuffer pointer (Y) to point to current text cursor position (POS_COLUMN, POS_ROWP)
diff --git a/pat80-io-devices/composite-pal-adapter/software/avr-assembly/communication.asm b/pat80-io-devices/composite-pal-adapter/software/avr-assembly/communication.asm
index b045eea..e7e8412 100644
--- a/pat80-io-devices/composite-pal-adapter/software/avr-assembly/communication.asm
+++ b/pat80-io-devices/composite-pal-adapter/software/avr-assembly/communication.asm
@@ -18,16 +18,20 @@
 comm_init:
 	call cursor_pos_home ; Set cursor to 0,0
     comm_wait_byte:
-        in A, DATA_PORT_IN   ; read PORTB
+        in HIGH_ACCUM, DATA_PORT_IN   ; read PORTB
         ; Check continuously CLK until a LOW is found
         sbic PORTD, CLK_PIN
         jmp comm_wait_byte
-        ; CLK triggered: Copy PORTB to the next framebuffer byte
-        st Y+, A
-        ; if reached the last framebuffer byte, exit cycle
-		cpi r31, 0b00111110
-		brne comm_wait_byte	; if not 0, repeat h_picture_loop
-		cpi r30, 0b11000000
-		brne comm_wait_byte	; if not 0, repeat h_picture_loop
-        jmp comm_init ; filled all memory: reset framebuffer position
+        ; CLK triggered: Draw char
+        call draw_char
+        jmp comm_wait_byte
+
+        ; ; CLK triggered: Copy PORTB to the next framebuffer byte
+        ; st Y+, A
+        ; ; if reached the last framebuffer byte, exit cycle
+		; cpi r31, 0b00111110
+		; brne comm_wait_byte	; if not 0, repeat h_picture_loop
+		; cpi r30, 0b11000000
+		; brne comm_wait_byte	; if not 0, repeat h_picture_loop
+        ; jmp comm_init ; filled all memory: reset framebuffer position
 
diff --git a/pat80-io-devices/composite-pal-adapter/software/avr-assembly/main.asm b/pat80-io-devices/composite-pal-adapter/software/avr-assembly/main.asm
index ad0d214..945c6f1 100644
--- a/pat80-io-devices/composite-pal-adapter/software/avr-assembly/main.asm
+++ b/pat80-io-devices/composite-pal-adapter/software/avr-assembly/main.asm
@@ -158,7 +158,7 @@ main:
 	; Timer setup completed.
 
 	; Wait for data (it never exits)
-	;jmp comm_init
+	jmp comm_init
 
 	forever:
 		jmp forever