55241: Routine at D7C9
| 55241 | LD A,(57554) | 
| 55244 | LD BC,(58728) | 
| 55248 | LD HL,54612 | 
| 55251 | CP 21 | 
| 55253 | JR NZ,55268 | 
| 55255 | LD (55328),BC | 
| 55259 | BIT 1,(HL) | 
| 55261 | JR NZ,55268 | 
| 55263 | LD A,1 | 
| 55265 | LD (54615),A | 
| 55268 | CP 61 | 
| 55270 | JR NZ,55285 | 
| 55272 | LD (55330),BC | 
| 55276 | BIT 2,(HL) | 
| 55278 | JR NZ,55285 | 
| 55280 | LD A,1 | 
| 55282 | LD (54616),A | 
| 55285 | CP 62 | 
| 55287 | JR NZ,55302 | 
| 55289 | LD (55332),BC | 
| 55293 | BIT 3,(HL) | 
| 55295 | JR NZ,55302 | 
| 55297 | LD A,1 | 
| 55299 | LD (54617),A | 
| 55302 | CP 63 | 
| 55304 | RET NZ | 
| 55305 | LD (55334),BC | 
| 55309 | BIT 4,(HL) | 
| 55311 | RET NZ | 
| 55312 | LD A,1 | 
| 55314 | LD (54618),A | 
| 55317 | RET |