4cade/src/prodos.path.a

;license:MIT
;(c) 2018-2021 by 4am
;
; ProDOS - functions for constructing and passing around ProDOS pathnames
;
; Public functions
; - SetPath
; - AddToPath
;

;------------------------------------------------------------------------------
; SetPath/AddToPath
; append a length-prefixed string to gPathname
; SetPath will reset the path first
;
; in:    A contains low byte of address of length-prefixed string to append
;        Y contains high byte of address of length-prefixed string to append
; out:   all registers and flags clobbered
;        $02/$03 (PTR/PTR+1) clobbered
;        gPathname updated with concatenated length-prefixed string
;------------------------------------------------------------------------------
SetPath
kRootDirectory=*+1
         ldx   #0
         stx   gPathname
         ; execution falls through here

AddToPath
         +ST16 PTR
         ldy   #0
         lda   (PTR),y               ; length of this segment
         beq   @done
         tay
         iny
         sty   @max
         ldx   gPathname             ; current pathname length
         ldy   #$01
-        lda   (PTR),y
         sta   gPathname+1,x
         inx
         iny
@max = *+1
         cpy   #$D1                  ; SMC
         bcc   -
         stx   gPathname
@done
         rts

kSearchIndexRecord
         !byte 0
         !be24 0                     ; SMC in 4cade.init
         !le16 0                     ; SMC in 4cade.init

kSearchCacheRecord
         !byte 0
         !be24 0                     ; SMC in 4cade.init
         !le16 0                     ; SMC in 4cade.init

kPrelaunchIndexRecord
         !source "src/index/prelaunch.idx.a"

kDemoIndexRecord
         !source "src/index/demo.idx.a"

kAttractModeIndexRecord
         !source "src/index/attract.idx.a"

kMiniAttractIndexLo
         !byte <kMiniAttractIndexRecord0
         !byte <kMiniAttractIndexRecord1
kMiniAttractIndexHi
         !byte >kMiniAttractIndexRecord0
         !byte >kMiniAttractIndexRecord1
kMiniAttractIndexRecord0
         !source "src/index/miniattract0.idx.a"
kMiniAttractIndexRecord1
         !source "src/index/miniattract1.idx.a"

kAttractModeSlideshowIndexRecord
         !source "src/index/slideshow.idx.a"

kFXIndexRecord
         !source "src/index/fx.idx.a"

kDFXIndexRecord
         !source "src/index/dfx.idx.a"

kSFXIndexRecord
         !source "src/index/sfx.idx.a"

kGameHelpIndexRecord
         !source "src/index/gamehelp.idx.a"

kHGRTitleIndexRecord
         !source "src/index/title.idx.a"

kDHGRTitleIndexRecord
         !source "src/index/dtitle.idx.a"

kSHRArtworkIndexRecord
         !source "src/index/artwork.idx.a"

kDHGRActionIndexRecord
         !source "src/index/dhgr.idx.a"

kGRActionIndexRecord
         !source "src/index/gr.idx.a"

kDGRActionIndexRecord
         !source "src/index/dgr.idx.a"

kHGRActionIndexLo
         !byte <kHGRActionIndexRecord0
         !byte <kHGRActionIndexRecord1
         !byte <kHGRActionIndexRecord2
         !byte <kHGRActionIndexRecord3
         !byte <kHGRActionIndexRecord4
         !byte <kHGRActionIndexRecord5
         !byte <kHGRActionIndexRecord6
kHGRActionIndexHi
         !byte >kHGRActionIndexRecord0
         !byte >kHGRActionIndexRecord1
         !byte >kHGRActionIndexRecord2
         !byte >kHGRActionIndexRecord3
         !byte >kHGRActionIndexRecord4
         !byte >kHGRActionIndexRecord5
         !byte >kHGRActionIndexRecord6
kHGRActionIndexRecord0
         !source "src/index/hgr0.idx.a"
kHGRActionIndexRecord1
         !source "src/index/hgr1.idx.a"
kHGRActionIndexRecord2
         !source "src/index/hgr2.idx.a"
kHGRActionIndexRecord3
         !source "src/index/hgr3.idx.a"
kHGRActionIndexRecord4
         !source "src/index/hgr4.idx.a"
kHGRActionIndexRecord5
         !source "src/index/hgr5.idx.a"
kHGRActionIndexRecord6
         !source "src/index/hgr6.idx.a"

kCreditsRecord
         !source "src/index/credits.idx.a"

kHelpTextRecord
         !source "src/index/helptext.idx.a"

kDecrunchRecord
         !source "src/index/decrunch.idx.a"

kJoystickRecord
         !source "src/index/joystick.idx.a"

kXSingleRecord
         !source "src/index/xsingle.idx.a"

kTotalDataFile
         !byte 10
         !raw  "TOTAL.DATA"

kAnimatedTitleDirectory
         !byte 15
         !raw  "TITLE.ANIMATED/"

kGameDirectory
         !byte 2
         !raw  "X/"
kGameDirectoryLen = 3 ; we need this elsewhere

kFXDirectory
         !byte 3
         !raw  "FX/"

kGlobalPrefsFilename
         !byte 10
         !raw  "PREFS.CONF"

kStandardPrelaunchRecord
         !source "src/index/standard.prelaunch.a"

kCoverFadeRecord
         !source "src/index/coverfade.idx.a"

kGRFizzleRecord
         !source "src/index/gr.fizzle.idx.a"

kDGRFizzleRecord
         !source "src/index/dgr.fizzle.idx.a"

kHelpBackgroundRecord
         !source "src/index/res.help.idx.a"

kTitleRecord
         !source "src/index/res.title.idx.a"

kCoverRecord
         !source "src/index/res.cover.idx.a"