Code block address: FF45   Length: 12  M:1 X:0 called by: FE8E
00FF45    E8            inx                                     ; Call target from FE8E, Call target from FE94, Call target from FEAD, Call target from FEB3, Call target from FEB9
00FF46    BD2012        lda     al, 0x1220 + ix
00FF49    C941          cmp     al, #0x41
00FF4B    9004          bcc     0xff51
00FF4D    E937          sbc     al, #0x37
00FF4F    8003          bra     0xff54

Code block address: FF51   Length: 18  M:1 X:0 called by: FF4B
00FF51    38            sec                                     ; Branch target from FF4B
00FF52    E930          sbc     al, #0x30
00FF54    E8            inx                                     ; Branch target from FF4F
00FF55    42BD2012      lda     bl, 0x1220 + ix
00FF59    42C941        cmp     bl, #0x41
00FF5C    9005          bcc     0xff63
00FF5E    42E937        sbc     bl, #0x37
00FF61    8004          bra     0xff67

Code block address: FF63   Length: 25  M:1 X:0 called by: FF5C
00FF63    38            sec                                     ; Branch target from FF5C
00FF64    42E930        sbc     bl, #0x30
00FF67    420A          asl     bl                              ; Branch target from FF61
00FF69    420A          asl     bl
00FF6B    420A          asl     bl
00FF6D    420A          asl     bl
00FF6F    420A          asl     bl
00FF71    2A            rol     al
00FF72    420A          asl     bl
00FF74    2A            rol     al
00FF75    420A          asl     bl
00FF77    2A            rol     al
00FF78    420A          asl     bl
00FF7A    2A            rol     al
00FF7B    60            rts