D69F: Routine at D69F
| D69F | LD HL,$D556 | 
| D6A2 | RES 0,(HL) | 
| D6A4 | LD HL,$D555 | 
| D6A7 | SET 7,(HL) | 
| D6A9 | CALL Colourise_PreviewGrid | 
| D6AC | LD HL,$5825 | 
| D6AF | LD B,$04 | 
| D6B1 | PUSH BC | 
| D6B2 | LD B,$10 | 
| D6B4 | LD (HL),$00 | 
| D6B6 | INC HL | 
| D6B7 | DJNZ $D6B4 | 
| D6B9 | LD DE,$0010 | 
| D6BC | ADD HL,DE | 
| D6BD | POP BC | 
| D6BE | DJNZ $D6B1 | 
| D6C0 | LD BC,$00FA | 
| D6C3 | DI | 
| D6C4 | LD D,$0E | 
| D6C6 | LD A,$05 | 
| D6C8 | OUT ($FE),A | 
| D6CA | XOR $10 | 
| D6CC | LD E,C | 
| D6CD | DEC E | 
| D6CE | JR NZ,$D6CD | 
| D6D0 | DEC D | 
| D6D1 | JR NZ,$D6C8 | 
| D6D3 | DEC BC | 
| D6D4 | LD A,B | 
| D6D5 | OR C | 
| D6D6 | JR NZ,$D6C4 | 
| D6D8 | EI | 
| D6D9 | CALL $E7CA | 
| D6DC | LD B,$64 | 
| D6DE | HALT | 
| D6DF | DJNZ $D6DE | 
| D6E1 | DI | 
| D6E2 | LD HL,$D556 | 
| D6E5 | LD (HL),$80 | 
| D6E7 | CALL $F88A | 
| D6EA | LD A,($D57A) | 
| D6ED | INC A | 
| D6EE | LD D,A | 
| D6EF | LD E,$7D | 
| D6F1 | LD H,$01 | 
| D6F3 | LD A,(HL) | 
| D6F4 | AND $18 | 
| D6F6 | OR $05 | 
| D6F8 | OUT ($FE),A | 
| D6FA | INC HL | 
| D6FB | LD B,D | 
| D6FC | DJNZ $D6FC | 
| D6FE | DEC E | 
| D6FF | JP NZ,$D6F3 | 
| D702 | LD HL,$D556 | 
| D705 | BIT 4,(HL) | 
| D707 | JR NZ,$D723 | 
| D709 | LD A,($D55C) | 
| D70C | AND A | 
| D70D | INC A | 
| D70E | DAA | 
| D70F | LD ($D55C),A | 
| D712 | JR NC,$D71D | 
| D714 | LD A,($D55B) | 
| D717 | CCF | 
| D718 | INC A | 
| D719 | DAA | 
| D71A | LD ($D55B),A | 
| D71D | CALL $E80B | 
| D720 | JP $D6E7 | 
| D723 | LD HL,$D55D | 
| D726 | LD A,($D592) | 
| D729 | AND A | 
| D72A | ADD A,(HL) | 
| D72B | DAA | 
| D72C | LD ($D592),A | 
| D72F | LD (HL),$00 | 
| D731 | DEC HL | 
| D732 | LD A,($D591) | 
| D735 | ADC A,(HL) | 
| D736 | DAA | 
| D737 | LD ($D591),A | 
| D73A | LD (HL),$00 | 
| D73C | DEC HL | 
| D73D | LD A,($D590) | 
| D740 | ADC A,(HL) | 
| D741 | DAA | 
| D742 | LD ($D590),A | 
| D745 | LD (HL),$00 | 
| D747 | LD HL,$ED07 | 
| D74A | LD B,$23 | 
| D74C | CALL $EB8C | 
| D74F | CALL $E80B | 
| D752 | CALL $E81F | 
| D755 | LD A,($D589) | 
| D758 | CP $00 | 
| D75A | JR NZ,$D775 | 
| D75C | LD A,($D590) | 
| D75F | AND $F0 | 
| D761 | RRCA | 
| D762 | RRCA | 
| D763 | RRCA | 
| D764 | RRCA | 
| D765 | CP $02 | 
| D767 | JP M,$D775 | 
| D76A | LD A,$01 | 
| D76C | LD ($D589),A | 
| D76F | CALL $E7CA | 
| D772 | CALL $E7E5 | 
| D775 | LD A,$80 | 
| D777 | LD ($D554),A | 
| D77A | CALL $E859 | 
| D77D | CP $00 | 
| D77F | JR Z,$D77A | 
| D781 | XOR A | 
| D782 | LD ($D554),A | 
| D785 | CALL $EAA3 | 
| D788 | RET |