update

Makefile

@@ -8,7 +8,7 @@ tetros.img: tetros.asm Makefile
 		rm -f tetros.img; exit 1; fi
 	nasm -f bin tetros.asm -o tetros.img
 
-run:
+run: tetros.img
 	@qemu-system-i386 -drive file=tetros.img,index=0,media=disk,format=raw
 
 clean:

README.md

@@ -9,7 +9,7 @@ This is how it looks like:
 
 ![TetrOS - Tetris in 512 byte boot sector](https://github.com/daniel-e/mbr_tetris/blob/master/tetros_tetris_screenshot.png)
 
-And this is how the machine code looks:
+And this the complete machine code:
 
 ![TetrOS - Machine code](https://github.com/daniel-e/mbr_tetris/blob/master/code.png)
 

tetros.asm

@@ -63,7 +63,7 @@ ia: push cx
 	inc dh                           ; increment row
 	mov dl, field_left_col           ; set column
 	mov cx, field_width              ; width of box
-	mov bx, 0x88                     ; color
+	mov bx, 0x78                     ; color
 	call set_and_write
 	cmp dh, 21                       ; don't remove last line
 	je ib                            ; if last line jump