C0B8: Interruptable routine 0 - Play a musical note
| C0B8 | LD HL,$A450 | 
| C0BB | DEC (HL) | 
| C0BC | JR NZ,$C0B2 | 
| C0BE | LD HL,($A451) | 
| C0C1 | LD C,(HL) | 
| C0C2 | INC HL | 
| C0C3 | LD B,(HL) | 
| C0C4 | INC HL | 
| C0C5 | LD ($A451),HL | 
| C0C8 | LD A,C | 
| C0C9 | INC A | 
| C0CA | JR Z,$C10E | 
| C0CC | INC A | 
| C0CD | JP Z,$C091 | 
| C0D0 | INC A | 
| C0D1 | JR Z,$C11B | 
| C0D3 | INC A | 
| C0D4 | JR Z,$C140 | 
| C0D6 | LD ($A44F),BC | 
| C0DA | LD B,$00 | 
| C0DC | LD HL,$A67B | 
| C0DF | ADD HL,BC | 
| C0E0 | ADD HL,BC | 
| C0E1 | LD C,(HL) | 
| C0E2 | INC HL | 
| C0E3 | LD B,(HL) | 
| C0E4 | LD HL,($A44D) | 
| C0E7 | LD ($A453),BC | 
| C0EB | AND A | 
| C0EC | LD A,($A443) | 
| C0EF | SBC HL,BC | 
| C0F1 | JR NC,$C0F8 | 
| C0F3 | CP $00 | 
| C0F5 | JP $C0FB | 
| C0F8 | NEG | 
| C0FA | NOP | 
| C0FB | LD ($A444),A | 
| C0FE | JR NZ,$C107 | 
| C100 | LD ($A44D),BC | 
| C104 | JP $C05C | 
| C107 | CP $00 | 
| C109 | NOP | 
| C10A | NOP | 
| C10B | JP $C05C |