mirror of
https://github.com/a2-4am/passport.git
synced 2024-05-28 21:41:27 +00:00
180 lines
4.9 KiB
Plaintext
180 lines
4.9 KiB
Plaintext
;-------------------------------
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; #RWTSLOG
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; Print log messages for RWTS variants
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; that indicate structural copy protection
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; but don't require any patches
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;-------------------------------
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_rwtslog_start
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; gTrack = 0 here
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clc
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bcc @lsr6a_start ; always branches
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;
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; Some purely local utility functions here (out of execution path)
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; to reduce duplicated code
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;
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@compare_lsr6a
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ldy #$09
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jsr compare
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!byte $BD,$8C,$C0
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!byte $10,$FB
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!byte $4A
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!byte WILDCARD,$6A
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!byte $D0
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rts
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@compare_cmp08
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ldy #$11
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jsr compare
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!byte $BD,$8C,$C0
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!byte $10,$FB
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!byte $C9,$DE
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!byte $F0,$0A
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!byte $48
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!byte $68
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!byte $BD,$8C,$C0
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!byte $C9,$08
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!byte $B0
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rts
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@compare_bne0
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ldy #$09
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jsr compare
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!byte $BD,$8C,$C0
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!byte $10,$FB
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!byte $C9,WILDCARD
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!byte $D0,$00
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rts
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;-------------------------------
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; RWTS "LSR $6A" identification
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; disk allows either $D4 or $D5 for the
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; first address prologue nibble
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;-------------------------------
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@lsr6a_start
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; DOS 3.3 variant
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lda #$03 ; if T00,S03,$4F ==
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ldx #$4F
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jsr @compare_lsr6a
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bcc @print_lsr6a ; passport-test-suite/The Seasons.woz [C=0] matches
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; RDOS variant
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ldx #$4D ; or T00,S03,$4D ==
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jsr @compare_lsr6a
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bcc @print_lsr6a ; passport-test-suite/Roadwar 2000.woz [C=0] matches
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; ATILA variant
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lda #$04 ; or T00,S04,$A5 ==
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ldx #$A5
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jsr @compare_lsr6a
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bcc @print_lsr6a ; passport-test-suite/The Treasure of Forest Isle.woz [C=0] matches
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; Pascal variant
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lda #$0D
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ldx #$05 ; or T00,S0D,$05 ==
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jsr @compare_lsr6a
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bcs @lsr6a_end ; passport-test-suite/GATO v1.3.woz [C=0] matches
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@print_lsr6a
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jsr PrintByID
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!byte s_lsr6a
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inc gPatchCount
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@lsr6a_end
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;-------------------------------
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; RWTS "CMP #$08 / BCS" identification
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; disk allows either $DE or a timing bit
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; for the first address epilogue nibble
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;-------------------------------
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; DOS 3.3 variant
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lda #$03 ; if T00,S03,$8B ==
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ldx #$8B
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jsr @compare_cmp08
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bcc @print_bcs08 ; passport-test-suite/The Seasons.woz [C=0] matches
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; RDOS variant
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ldx #$89
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ldy #$11
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jsr compare ; or T00,S03,$89 ==
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!byte $BD,$8C,$C0
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!byte $10,$FB
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!byte $C9,$DE
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!byte $F0,$09
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!byte $48
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!byte $68
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!byte $BD,$8C,$C0
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!byte $C9,$80
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!byte $B0
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bcc @print_bcs08 ; passport-test-suite/Roadwar 2000.woz [C=0] matches
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; ATILA variant
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lda #$04
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ldx #$E6 ; or T00,S04,$E6 ==
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jsr @compare_cmp08
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bcs @bcs08_end ; passport-test-suite/The Treasure of Forest Isle.woz [C=0] matches
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@print_bcs08
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jsr PrintByID
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!byte s_bcs08
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inc gPatchCount
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@bcs08_end
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;-------------------------------
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; RWTS "CMP / BNE 0" identification
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; disk allows any value for
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; for the first address epilogue nibble
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;-------------------------------
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; DOS 3.3 variant
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lda #$03 ; if T00,S03,$8B ==
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ldx #$8B
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jsr @compare_bne0
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bcc @print_bne0 ; passport-test-suite/The Home Accountant.woz [C=0] matches
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; David-DOS variant
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lda #$05 ; or T00,S05,$8B ==
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jsr @compare_bne0
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bcs @bne0_end ; passport-test-suite/Horses.woz [C=0] matches
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@print_bne0
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jsr PrintByID
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!byte s_cmpbne0
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inc gPatchCount
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@bne0_end
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;-------------------------------
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; RWTS "CMP / NOP NOP" identification
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; disk allows any value for
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; for the second address epilogue nibble
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;-------------------------------
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lda #$03
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ldx #$95
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ldy #$09
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jsr compare ; if T00,S03,$95 ==
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!byte $BD,$8C,$C0
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!byte $10,$FB
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!byte $C9,$AA
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!byte $EA,$EA
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bcs @cmpnopnop_end ; passport-test-suite/La Guillotine.woz [C=0] matches
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jsr PrintByID
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!byte s_cmpnopnop
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inc gPatchCount
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@cmpnopnop_end
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;-------------------------------
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; RWTS "TAY / BIT" identification
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; disk allows any value for
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; for address field checksum
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;-------------------------------
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lda #$03
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ldx #$88
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ldy #$03
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jsr compare ; if T00,S03,$88 ==
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!byte $A8
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!byte $24,$B7
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bcs _rwtslog_end ; passport-test-suite/E-Z Learner.woz [C=0] matches
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jsr PrintByID
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!byte s_anychecksum
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inc gPatchCount
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_rwtslog_end
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