$CACC/51916:   Check if file present

CACC: A5 E8     LDA $E8
CACE: 29 07     AND #$07
CAD0: 8D 4A 02  STA $024A
CAD3: AE 78 02  LDX $0278
CAD6: CA        DEX
CAD7: EC 77 02  CPX $0277
CADA: 90 0A     BCC $CAE6
CADC: BD 80 02  LDA $0280,X
CADF: D0 F5     BNE $CAD6
CAE1: A9 62     LDA #$62
CAE3: 4C C8 C1  JMP $C1C8
CAE6: 60        RTS
CAE7: 20 CC CA  JSR $CACC
CAEA: BD 80 02  LDA $0280,X
CAED: F0 05     BEQ $CAF4
CAEF: A9 63     LDA #$63
CAF1: 4C C8 C1  JMP $C1C8
CAF4: CA        DEX
CAF5: 10 F3     BPL $CAEA
CAF7: 60        RTS

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