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toinet
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Inscrit le: 15 Juin 2007
Messages: 3043
Localisation: Le Chesnay, France
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 Posté le: Mer 29 Jan 2020, 9:25 Sujet du message: Car Builder 3.5" (Optimum Resource, 1988) |
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#1023 - The scientific simulation program that lets you design, construct, refine, and test cars that you build! Another great program by Optimum Resource / Weekly Reader Software. The 3.5" version is dated 1988. Disk image of Anthony Beckett provided by Alex Lee.
Protection type
A bad block that is checked by the loader. If it reads the block, the program determines it has a copy, otherwise it says it has an original disk.
How to copy
Copy the disk with ZZCopy or Photonix II then put your original disk in a safe place.
How to crack
Launch Block Warden from the Prosel utilities then
Prefix /CAR.BUILDER
Follow LOADER.SYSTEM
At offset $5E: 4C -> 2C
Write block
The disk image is available on Alex Lee's What is the 2gs? website or at http://www.brutaldeluxe.fr/crack/
Reboot and... enjoy,
LoGo
1/2020
Dernière édition par toinet le Mer 29 Jan 2020, 9:27; édité 1 fois |
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toinet
Site Admin
Inscrit le: 15 Juin 2007
Messages: 3043
Localisation: Le Chesnay, France
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| Posté le: Mer 29 Jan 2020, 9:26 Sujet du message: |
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This is the LOADER.SYSTEM disassembly where the protection check lies
| Code: |
The Flaming Bird Disassembler Written by Ferox - (c) 1994 Phoenix corporation
SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
00/2000: ORG $002000
00/2000: MX %11
00/2000: A902 LDA #$02 ; check machine
00/2002: 207520 JSR L2075
00/2005: AD36C0 LDA CYAREG ; init IIgs
00/2008: 297F AND #$7F
00/200A: 8D36C0 STA CYAREG
00/200D: AD34C0 LDA CLOCKCTL
00/2010: 29F0 AND #$F0
00/2012: 8D34C0 STA CLOCKCTL
00/2015: AD30BF LDA LASTDEV ; read blocks
00/2018: 8D6520 STA L2065
00/201B: 8D6B20 STA L206B
00/201E: 2000BF JSR PRODOS8
00/2021: 80 DB $80
00/2022: 6420 DA $2064
00/2024: A200 LDX #$00
00/2026: BD0041 L2026 LDA $4100,X
00/2029: 9D00B6 STA $B600,X
00/202C: CA DEX
00/202D: D0F7 BNE L2026
00/202F: A200 LDX #$00
00/2031: BD0040 L2031 LDA $4000,X
00/2034: 9D00B7 STA $B700,X
00/2037: CA DEX
00/2038: D0F7 BNE L2031
00/203A: A96A LDA #$6A
00/203C: 8D6820 STA L2068
00/203F: 2000BF JSR PRODOS8
00/2042: 80 DB $80
00/2043: 6420 DA $2064
00/2045: A200 LDX #$00
00/2047: BD0041 L2047 LDA $4100,X
00/204A: 9DB5B7 STA $B7B5,X
00/204D: CA DEX
00/204E: D0F7 BNE L2047
00/2050: AD30BF LDA LASTDEV ; read bad block
00/2053: 8D9BB8 STA $B89B
00/2056: 2000BF JSR PRODOS8
00/2059: 80 DB $80
00/205A: 6A20 DA $206A
00/205C: B003 BCS L2061 ; I/O error, good disk
00/205E: 4C0000 JMP $0000 ; Put a BIT
00/2061: 4C00B7 L2061 JMP $B700 ; and execute next phase
00/2064: 03 L2064 DB $03
00/2065: 50 L2065 DB $50
00/2066: 0040 DA $4000
00/2068: 6B00 L2068 DW $006B
00/206A: 03 L206A DB $03
00/206B: 50 L206B DB $50
00/206C: 0040 DA $4000
00/206E: 5600 DW $0056
00/2070: 00 L2070 DB $00
00/2071: 00 DB $00
00/2072: 00 DB $00
00/2073: 00 DB $00
00/2074: 00 DB $00
00/2075: 8D7020 L2075 STA L2070
00/2078: 209F20 JSR L209F
00/207B: 901B BCC L2098
00/207D: AD7020 LDA L2070
00/2080: C905 CMP #$05
00/2082: 9000 BCC L2084
00/2084: 48 L2084 PHA
00/2085: A904 LDA #$04
00/2087: 48 PHA
00/2088: 20C7C7 JSR $C7C7
00/208B: 20C7C7 JSR $C7C7
00/208E: 48 PHA
00/208F: 08 PHP
00/2090: A903 LDA #$03
00/2092: 48 PHA
00/2093: 20C7C7 JSR $C7C7
00/2096: 28 PLP
00/2097: 68 PLA
00/2098: 20B820 L2098 JSR L20B8
00/209B: 60 RTS
00/209C: 00 L209C DB $00
00/209D: 00 L209D DB $00
00/209E: 00 L209E DB $00
00/209F: AD12C0 L209F LDA RDLCRAM
00/20A2: 8D9E20 STA L209E
00/20A5: AD7FC0 LDA $C07F
00/20A8: 8D9C20 STA L209C
00/20AB: AD1FC0 LDA RD80VID
00/20AE: 8D9D20 STA L209D
00/20B1: 8D0CC0 STA CLR80VID
00/20B4: 20D920 JSR L20D9
00/20B7: 60 RTS
00/20B8: 2C9C20 L20B8 BIT L209C
00/20BB: 3005 BMI L20C2
00/20BD: 8D5EC0 STA SETAN3
00/20C0: 1003 BPL L20C5
00/20C2: 8D5FC0 L20C2 STA CLRAN3
00/20C5: 2C9D20 L20C5 BIT L209D
00/20C8: 1003 BPL L20CD
00/20CA: 8D0DC0 STA SET80VID
00/20CD: 2C9E20 L20CD BIT L209E
00/20D0: 1006 BPL L20D8
00/20D2: AD83C0 LDA LCBANK2
00/20D5: AD83C0 LDA LCBANK2
00/20D8: 60 L20D8 RTS
00/20D9: AD82C0 L20D9 LDA RDROM2
00/20DC: ADB3FB LDA VERSION
00/20DF: C906 CMP #$06
00/20E1: D010 BNE L20F3
00/20E3: ADC0FB LDA ZIDBYTE
00/20E6: C900 CMP #$00
00/20E8: D009 BNE L20F3
00/20EA: ADBFFB LDA ZIDBYTE2
00/20ED: C905 CMP #$05
00/20EF: D002 BNE L20F3
00/20F1: 38 SEC
00/20F2: 60 RTS
00/20F3: 18 L20F3 CLC
00/20F4: 60 RTS
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toinet
Site Admin
Inscrit le: 15 Juin 2007
Messages: 3043
Localisation: Le Chesnay, France
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| Posté le: Mer 29 Jan 2020, 9:26 Sujet du message: |
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This is the Block Warden view
Before...
| Code: |
Block: $0027 (39) Volume name: CAR.BUILDER Friday 25-Jan-20 9:24
Prefix: /CAR.BUILDER/
Following: LOADER.SYSTEM, Type SYS, Rel block 1, Byte $00005E
(c) Q 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F Edit mode
1988ZSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
Z 000: A9 02 20 75 20 AD 36 C0 29 7F 8D 36 C0 AD 34 C0 ). u -6@).6@-4@
b Z 010: 29 F0 8D 34 C0 AD 30 BF 8D 65 20 8D 6B 20 20 00 )p.4@-0?.e .k .
B y Z 020: BF 80 64 20 A2 00 BD 00 41 9D 00 B6 CA D0 F7 A2 ?.d ".=.A..6JPw"
L Z 030: 00 BD 00 40 9D 00 B7 CA D0 F7 A9 6A 8D 68 20 20 .=.@..7JPw)j.h
O G Z 040: 00 BF 80 64 20 A2 00 BD 00 41 9D B5 B7 CA D0 F7 .?.d ".=.A.57JPw
C l Z 050: AD 30 BF 8D 9B B8 20 00 BF 80 6A 20 B0 03-4C-00 -0?..8 .?.j 0.L.
K e Z 060: 00 4C 00 B7 03 50 00 40 6B 00 03 50 00 40 56 00 .L.7.P.@k..P.@V.
n Z 070: 00 00 00 00 00 8D 70 20 20 9F 20 90 1B AD 70 20 ......p . ..-p
W Z 080: C9 05 90 00 48 A9 04 48 20 C7 C7 20 C7 C7 48 08 I...H).H GG GGH.
A B Z 090: A9 03 48 20 C7 C7 28 68 20 B8 20 60 00 00 00 AD ).H GG(h 8 `...-
R r Z 0A0: 12 C0 8D 9E 20 AD 7F C0 8D 9C 20 AD 1F C0 8D 9D .@.. -@.. -.@..
D e Z 0B0: 20 8D 0C C0 20 D9 20 60 2C 9C 20 30 05 8D 5E C0 ..@ Y `,. 0..^@
E d Z 0C0: 10 03 8D 5F C0 2C 9D 20 10 03 8D 0D C0 2C 9E 20 ..._@,. ....@,.
N o Z 0D0: 10 06 AD 83 C0 AD 83 C0 60 AD 82 C0 AD B3 FB C9 ..-.@-.@`-.@-3{I
n Z 0E0: 06 D0 10 AD C0 FB C9 00 D0 09 AD BF FB C9 05 D0 .P.-@{I.P.-?{I.P
Z 0F0: 02 38 60 18 60 00 00 00 00 00 00 00 00 00 00 00 .8`.`...........
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...and after...
| Code: |
Block: $0027 (39) Volume name: CAR.BUILDER Friday 25-Jan-20 9:25
Prefix: /CAR.BUILDER/
Following: LOADER.SYSTEM, Type SYS, Rel block 1, Byte $00005E
(c) Q 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F Edit mode
1988ZSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
Z 000: A9 02 20 75 20 AD 36 C0 29 7F 8D 36 C0 AD 34 C0 ). u -6@).6@-4@
b Z 010: 29 F0 8D 34 C0 AD 30 BF 8D 65 20 8D 6B 20 20 00 )p.4@-0?.e .k .
B y Z 020: BF 80 64 20 A2 00 BD 00 41 9D 00 B6 CA D0 F7 A2 ?.d ".=.A..6JPw"
L Z 030: 00 BD 00 40 9D 00 B7 CA D0 F7 A9 6A 8D 68 20 20 .=.@..7JPw)j.h
O G Z 040: 00 BF 80 64 20 A2 00 BD 00 41 9D B5 B7 CA D0 F7 .?.d ".=.A.57JPw
C l Z 050: AD 30 BF 8D 9B B8 20 00 BF 80 6A 20 B0 03-2C-00 -0?..8 .?.j 0.,.
K e Z 060: 00 4C 00 B7 03 50 00 40 6B 00 03 50 00 40 56 00 .L.7.P.@k..P.@V.
n Z 070: 00 00 00 00 00 8D 70 20 20 9F 20 90 1B AD 70 20 ......p . ..-p
W Z 080: C9 05 90 00 48 A9 04 48 20 C7 C7 20 C7 C7 48 08 I...H).H GG GGH.
A B Z 090: A9 03 48 20 C7 C7 28 68 20 B8 20 60 00 00 00 AD ).H GG(h 8 `...-
R r Z 0A0: 12 C0 8D 9E 20 AD 7F C0 8D 9C 20 AD 1F C0 8D 9D .@.. -@.. -.@..
D e Z 0B0: 20 8D 0C C0 20 D9 20 60 2C 9C 20 30 05 8D 5E C0 ..@ Y `,. 0..^@
E d Z 0C0: 10 03 8D 5F C0 2C 9D 20 10 03 8D 0D C0 2C 9E 20 ..._@,. ....@,.
N o Z 0D0: 10 06 AD 83 C0 AD 83 C0 60 AD 82 C0 AD B3 FB C9 ..-.@-.@`-.@-3{I
n Z 0E0: 06 D0 10 AD C0 FB C9 00 D0 09 AD BF FB C9 05 D0 .P.-@{I.P.-?{I.P
Z 0F0: 02 38 60 18 60 00 00 00 00 00 00 00 00 00 00 00 .8`.`...........
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