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add support for Pascal FBFF variant seen on multiple Courses By Computers disks
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@ -766,6 +766,7 @@ _applyToAll
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!source "patchers/protecteddos.a" ; gIsProtDOS only
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!source "patchers/fbff.a"
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!source "patchers/fbffencrypted.a" ; gIsProDOS only
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!source "patchers/fbffpascal.a" ; gIsPascal only
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!source "patchers/polarware.a" ; gIsProDOS only
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!source "patchers/sierra.a" ; gIsBoot0 only
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!source "patchers/corrupter.a" ; T13 only
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48
src/patchers/fbffpascal.a
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48
src/patchers/fbffpascal.a
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@ -0,0 +1,48 @@
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;-------------------------------
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; #FBFF
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; a variant of Activision's Timing Bit Detection
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; linked as an Apple Pascal module
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; (soft switches are hard-coded to slot 6)
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;
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; tested on several 'Courses By Computers' disks:
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; Geometry: Simple Closed Curves (1985)
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; Multiplication: Advanced Level (1985)
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; Basic Fraction Concepts (1985)
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;-------------------------------
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!zone {
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lda gIsPascal ; only seen this protection on Pascal disks
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bne .exit
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ldy #$26
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jsr SearchTrack
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!byte $AD,$E9,$C0; LDA $C0E9
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!byte $A9,$A0 ; LDA #$A0
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!byte $85,$03 ; STA $03
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!byte $A9,$08 ; LDA #$08
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!byte $C6,$02 ; DEC $02
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!byte $D0,$04 ; BNE +
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!byte $C6,$03 ; DEC $03
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!byte $F0,$55 ; BEQ +55
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!byte $AC,$EC,$C0; LDY $C0EC
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!byte $10,$FB ; BPL -
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!byte $C0,$FB ; CPY #$FB
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!byte $D0,$ED ; BNE -
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!byte $F0,$00 ; BEQ +
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!byte $EA ; NOP
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!byte $EA ; NOP
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!byte $AC,$EC,$C0; LDY $C0EC
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!byte $C0,$08 ; CMP #$08
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!byte $2A ; ROL
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!byte $B0,$0B ; BCS +
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bcs .exit
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sta gDisplayBytes
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pha
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lda #s_fbff
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jsr PrintByID
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pla
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ldy #$03
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jsr modify
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; unconditional jump to success path
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!byte $18 ; CLC
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!byte $90,$5F ; BCC +
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.exit
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}
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@ -144,7 +144,7 @@ StringTable
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; can be set directly before calling PrintByID.
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;
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.header
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!text "Passport by 4am 2018-07-03",$00
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!text "Passport by 4am 2018-07-19",$00
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.mainmenu
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!text "________________________________________",$8D,$8D,$8D,$8D,$8D,$8D,$8D
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!text " "
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