52990: Routine at CEFE
| 52990 | 
BIT 7,A | 
| 52992 | 
CALL NZ,53056 | 
| 52995 | 
AND 15 | 
| 52997 | 
CP 15 | 
| 52999 | 
JR Z,53057 | 
| 53001 | 
CP 8 | 
| 53003 | 
JR Z,53056 | 
| 53005 | 
CP 9 | 
| 53007 | 
JR Z,53056 | 
| 53009 | 
CP 1 | 
| 53011 | 
JR Z,53056 | 
| 53013 | 
CP 2 | 
| 53015 | 
JR Z,53054 | 
| 53017 | 
CP 3 | 
| 53019 | 
JR Z,53055 | 
| 53021 | 
CP 13 | 
| 53023 | 
JR Z,53056 | 
| 53025 | 
CP 14 | 
| 53027 | 
JR Z,53055 | 
| 53029 | 
CP 7 | 
| 53031 | 
JR Z,53053 | 
| 53033 | 
CP 12 | 
| 53035 | 
JR Z,53053 | 
| 53037 | 
CP 11 | 
| 53039 | 
JR Z,53057 | 
| 53041 | 
CP 10 | 
| 53043 | 
JR Z,53057 | 
| 53045 | 
CP 5 | 
| 53047 | 
JR Z,53054 | 
| 53049 | 
CP 4 | 
| 53051 | 
JR NZ,53055 | 
| 53053 | 
INC HL | 
| 53054 | 
INC HL | 
| 53055 | 
INC HL | 
| 53056 | 
INC HL | 
| 53057 | 
INC HL | 
| 53058 | 
RET |