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add support for Milliken protection

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This commit is contained in:
4am 2017-04-04 21:20:05 -04:00
parent 6e67b30b5b
commit 804d31e1f5
6 changed files with 141 additions and 45 deletions
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47
src/id/milliken.a Normal file
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@ -0,0 +1,47 @@
;-------------------------------
; IDMilliken
; identify Milliken protection routine
; in late-stage boot
;
; in: $B600..$BFFF contains RWTS that can read this disk
; $B747..$B749 contains "JMP $9B03"
; out: C clear if Milliken protection routine found
; C set otherwise
; all registers clobbered
; all other flags clobbered
;-------------------------------
!zone {
IDMilliken
; protection routine starts on T00,S0A (by this point we've
; already identified a marker on T00,S01 that strongly
; suggests the presence of this routine, so it's worth
; doing an extra disk read here to be sure)
lda #$00
sta gTrack
lda #$0A
sta gSector
clc
adc #BASEPAGE
sta gAddress+1
jsr ReadSector
bcs .exit
IDMilliken1
; variant 1 (seen in Gulp and Frenzy, Tangram Puzzler)
lda #$0A
ldx #$03
ldy #$0E
jsr compare
!byte $A9,$AE,$8D,$00,$04,$4C,$99,$AD
!byte $AE,$F8,$05,$BD,$89,$C0
bcc .exit
; variant 2 (seen in The Writing Workshop)
ldy #$0B
jsr compare
!byte $A9,$AE,$8D,$00,$04,$AE,$F8,$05
!byte $BD,$89,$C0
.exit
rts
}

19
src/id/trace.a
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@ -54,6 +54,7 @@ TraceDOS33b
TraceDOS33c
lda $08FE ; 2nd-level trace callback is here
sta .x6+1
clc
adc #$02
_Inspect1a
@ -124,8 +125,24 @@ _Inspect1a
ldy #$03
jsr CompareMemory
!byte $AE,$E8,$1F
bcs +
bcs .x6
jmp UseUniversal ; give up tracing; this RWTS is unsupported
;
; Check for Milliken protection routine in late-stage boot
; (affects readable/ignoreable sector map, so must ID now)
;
.x6 lda #$FF ; check for "JMP $9B03" at $B747
ldx #$47
ldy #$03
jsr CompareMemory
!byte $4C,$03,$9B
bcs +
jsr IDMilliken
bcs +
lda #s_milliken
jsr PrintByID
lda #$80
sta T02S05
+ jmp ADStyle ; use this RWTS to read the disk
; TODO this doesn't belong here

4
src/passport.a
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@ -94,7 +94,7 @@ flag = $FF ; byte
}
; Application constants (not zero addresses)
RELBASE = $6600 ; address to move Passport code
RELBASE = $6500 ; address to move Passport code
; so that it's out of the way
LOWPOINT = $4300 ; lowest available address for code
BASEPAGE = $10 ; Special Delivery tracer assumes
@ -149,6 +149,7 @@ FirstMover
!source "id/encode44.a"
!source "id/encode53.a"
!source "id/ea.a"
!source "id/milliken.a"
!source "print.a"
!source "compare.a"
!source "modify.a"
@ -690,6 +691,7 @@ _applyToT00
!source "patchers/nibtable.a"
!source "patchers/diskvol.a"
!source "patchers/c9ff.a"
!source "patchers/milliken.a"
_applyToAll
!source "patchers/universale7.a"
!source "patchers/runhello.a"

23
src/patchers/milliken.a Normal file
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@ -0,0 +1,23 @@
;-------------------------------
; #MILLIKEN
; Milliken protection routine on T00,S0A
; does a fake drive speed check then
; a nibble check
; e.g. Gulp and Frenzy, Tangram Puzzler,
; The Writing Workshop, Math Sequences
;-------------------------------
!zone {
_milliken
jsr IDMilliken1
bcs .exit
lda #$01
ldx #$48
ldy #$02
jsr compare ; and T00,S01,$48 ==
!byte $03,$9B
bcs .exit
ldy #$02
jsr modify ; then set T00,S01,$48 =
!byte $84,$9D
.exit
}

84
src/sectormap.a
View File

@ -37,44 +37,46 @@ InitSectorMap
; (this is the default value for all sectors)
;-------------------------------
sectormap
T00 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T00S09 !byte $FF
T00S0A !byte $FF
!byte $FF,$FF,$FF,$FF,$FF
T01 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T01S0F !byte $FF
T02 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T03 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T04 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T05 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T06 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T07 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T08 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T09 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T0A !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T0B !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T0C !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T0D !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T0E !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T0F !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T10 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T11 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T11S0F !byte $FF
T12 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T13 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T14 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T15 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T16 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T17 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T18 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T19 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T1A !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T1B !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T1C !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T1D !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T1E !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T1F !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T20 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T21 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T22 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T22S0F !byte $FF
T00 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T00S09 !byte $FF
T00S0A !byte $FF
!byte $FF,$FF,$FF,$FF,$FF
T01 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T01S0F !byte $FF
T02 !byte $FF,$FF,$FF,$FF,$FF
T02S05 !byte $FF
!byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T03 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T04 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T05 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T06 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T07 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T08 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T09 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T0A !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T0B !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T0C !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T0D !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T0E !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T0F !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T10 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T11 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T11S0F !byte $FF
T12 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T13 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T14 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T15 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T16 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T17 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T18 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T19 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T1A !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T1B !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T1C !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T1D !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T1E !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T1F !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T20 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T21 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T22 !byte $FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF
T22S0F !byte $FF

9
src/strings/en.a
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@ -90,7 +90,8 @@ s_eatrk6 = $47
s_eeef = $48
s_poke = $49
s_bootcounter = $4A
STRINGCOUNT = $4B
s_milliken = $4B
STRINGCOUNT = $4C
!zone {
StringTable
@ -169,6 +170,7 @@ StringTable
!word .eeef
!word .poke
!word .bootcounter
!word .milliken
;
; Text can contain substitution strings, which
; are replaced by current values at runtime. Each
@ -194,7 +196,7 @@ StringTable
; can be set directly before calling PrintByID.
;
.header
!text "Passport by 4am 2017-04-03",00
!text "Passport by 4am 2017-04-04",00
.mainmenu
!text "________________________________________",$8D,$8D,$8D,$8D,$8D,$8D,$8D
!text " "
@ -432,4 +434,7 @@ StringTable
.bootcounter
!text "T%t,S%0 Original disk destroys itself",$8D
!text "after a limited number of boots.",$8D,$00
.milliken
!text "T00,S0A Found Milliken protection check",$8D
!text "T02,S05 might be unreadable",$8D,00
}