``` 240 b$(8)="RNBQKBNR" 300 REM display board 310 FOR n=1 TO 8: FOR m=1 TO 8 320 bc=CODE b$(n,m): INK pw 325 IF bc=CODE " " THEN GO TO 350 : REM space 330 IF bc>CODE "Z" THEN INK pb: bc-=32:;lowercase for black 340 bc+=79:;convert to graphics 350 PRINT AT 5+n, 9+m; CHR$ bc 360 NEXT m: NEXT n 400 PAPER 7: INK 0 ``` 5. The program in *p. 86* has a non-apparent flaw. Can you improve on it so it becomes faster? 6. Write a version of **ATTR** using a **PROC**edure that will work always, no matter the mode. You can peek ahead if you so wish! 7. Using the global transparency colour, palettes and layers can you write a program that will display ALL 512 colours of the ZX Spectrum Next on screen? (It's easier than you think)