Protection: $3dd (989) (missing)

Disk is enhanced density and the following sector must be good.

Identical protection:
        Adax (1992-06)(L.K. Avalon)(PL)[req 64K]
        Change (1992-06)(L.K. Avalon)(PL)
        Dagobar (1992)(L.K. Avalon)(PL)[!]
        Darkness Hour (1992)(L.K. Avalon)(PL)[req 64K]
        Digi Duck (1992)(L.K. Avalon)(PL)
        Jet Action, The (1992)(L.K. Avalon)(PL)
        Lorien's Tomb (1992)(L.K. Avalon)(PL)
        Piekiełko (1992)(L.K. Avalon)(PL)[f]
        Rucu (1992-09)(L.K. Avalon)(PL)
        Upiór (1992)(L.K. Avalon)(PL)[req 64K]

Similar protection:
        Captain Gather (1992)(L.K. Avalon)(PAL)(PL)[!][req 64K]
        Gold Hunter (1992)(L.K. Avalon)(PL)[!][req 64K]
        Hans Kloss (1992-03)(L.K. Avalon)(PL)[!]
        Mines (1993)(A.N.G. Software)(NL)(FW)[!]
        Saper (1991)(L.K. Avalon)(PAL)(PL)
        Trix (1992)(L.K. Avalon)(PL)[!][req 64K]
        Microx (1993-04)(L.K. Avalon)(PL)[!][req 64K]
        Android (1993)(L.K. Avalon)(PL)[!][req 64K]
        Barahir (1993-08)(L.K. Avalon)(PL)[req 64K][h restored protection]
        Barbarian (1993)(L.K. Avalon)(PL)[!][req 64K]
        Digi Duck (1992)(L.K. Avalon)(PL)[a][h restored protection]
        Global War (1993-09)(L.K. Avalon)(PL)[req 64K]
        Hans Kloss (1992-02)(L.K. Avalon)(PL)[a][h restored protection]
        Hawkmoon (1993)(L.K. Avalon)(PL)[req 64K]
        Kampania wrześniowa (1993-04)(L.K. Avalon)(PL)[req 64K]
        Smuś (1993-09)(L.K. Avalon)(PL)[req 64K]
        Spy Master (1993)(L.K. Avalon)(PL)[req 64K]
        Streets (1993)(L.K. Avalon)(PL)[req 64K]
        Syn Boga Wiatru (1993)(L.K. Avalon)(PL)[req 64K]
        Trix (1992)(L.K. Avalon)(PL)[a][req 64K][h restored protection]
        Vicky (1992)(L.K. Avalon)(PL)[a][req 64K]
        Vicky (1992)(L.K. Avalon)(PL)[f][req 64K]
        Włóczykij (1993)(L.K. Avalon)(PL)[!][req 64K]
        Czaszki + Electra (1993)(L.K. Avalon)(PAL)(PL)[req 64K]
        Easy Money + Honky (1993)(L.K. Avalon)(PL)[!][req 64K]
        Frank & Mark (1993)(L.K. Avalon)(PL)[req 64K]
        Hydraulik + Snowball (1993)(L.K. Avalon)(PL)[req 64K]


Cracked by:
 - ignore wrong status


Routine in sector $1:
----------------------------------------------------------

0700: 00 03 00 07 DD 00                 # DOSINI=$00DD

0706: 4C 0B 07          JMP $070B
0709: 4C 07                             # filler bytes to confuse disassembler
070B: A9 53             LDA #$53
070D: 8D 02 03          STA DCOMND
0710: 20 53 E4          JSR DSKINV
0713: 30 12             BMI $0727
0715: A2 3D             LDX #$3D
0717: BD 4C 07          LDA $074C,X     # decrypt protection check
071A: 49 CD             EOR #$CD        # with EOR #$CD
071C: 9D 4C 07          STA $074C,X
071F: CA                DEX
0720: 10 F5             BPL $0717
0722: 4C 4C 07          JMP $074C

--

074C: AD EA 02          LDA DVSTAT
074F: 29 00             AND #$00
0751: D0 34             BNE $0787
0753: 85 41             STA SOUNDR
0755: AA                TAX
0756: 9D 00 04          STA $0400,X
0759: E8                INX
075A: D0 FA             BNE $0756
075C: A2 03             LDX #$03        # sector $3dd
075E: A5 0C             LDA DOSINI      # =$dd
0760: 8D 0A 03          STA DAUX1
0763: 30 03             BMI $0768

0765: 10 20             BPL $0787
0767: EA                NOP

0768: 8E 0B 03          STX DAUX2
076B: A9 52             LDA #$52
076D: 8D 02 03          STA DCOMND
0770: A9 00             LDA #$00        # buffer $400
0772: 8D 04 03          STA DBUFLO
0775: A9 04             LDA #$04
0777: 8D 05 03          STA DBUFHI
077A: 20 53 E4          JSR DSKINV      # must be bad

077D: 10 08             BPL $0787       # good status => fail
----------------------------------------------------------
077D: 24 08             BIT WARMST      # ignore wrong status

on disk data at $80:
----------------------------------------------------------
        org     64 CD 40 C9 CE 64 C9 40 C8 CE ED 9E 29 >DD< C5 23
        --
        crack   64 CD 40 C9 CE 64 C9 40 C8 CE ED 9E 29 >E9< C5 23

077F: EE 0A 03          INC DAUX1       # next sector
0782: 20 53 E4          JSR DSKINV      # must be good
0785: 10 03             BPL $078A       # good => go ahead

0787: 4C 71 E4          JMP BLKBDV      # protection fail => BOOT ERROR

078A: A9 04             LDA #$04        # go ahead
078C: 8D 0A 03          STA DAUX1
078F: A9 00             LDA #$00
0791: 8D 0B 03          STA DAUX2


DISKMAP - 40 TRACKS - 26 SECTORS

 1 ********** .......... .......... ........|.
 2 ********** .......... .......... ..........
 3 ********** .......... .......... ..........
 4 ********** .......... .......... ..........
 5 ********** .......... .......... ..........
 6 ********** .......... .......... ..........
 7 ********** .......... .......... ..........
 8 ********** .......... .......... ..........
 9 ********** .......... .......... ..........
10 ********** .......... .......... ..........

11 ********** .......... .......... ..........
12 ********** .......... .......... ..........
13 ********** .......... .......... ..........
14 ********** .......... .......... ..........
15 ********** .......... .......... ..........
16 ********** .......... .......... ..........
17 ********** .......... .......... ..........
18 ********** .......... .......... ..........
19 ********** .......... .......... ..........
20 ********** .......... .......... ..........

21 ********** .......... .......... ..........
22 ********** .......... .......... ..........
23 ********** .......... .......... ..........
24 ********** .......... .......... ..........
25 *********. .......... .......... ..........
26 *********. .......... .......... ..........

. OK/EMPTY  | MISSING  d   DELETED
* OK/DATA   c BAD CRC  l/L LONG/l+DELETED


crack.rup
NINJA1T
raw 2d67274f 0ddcd4034c26a3c838bb3bce7872880f bb622a0bb1c4ead485eae44da3a002171a80ab3a
8d e9

uncrack.rup
NINJA1T
raw 24404592 a4234fa68d5fbd0f7e2148a17b0e3b0e 1af6efd01fd48227e58eb654052a6382e162f9b0
8d dd

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