2019-09-24 19:50:40 +00:00
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;License:MIT
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2020-03-17 01:58:05 +00:00
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;(c) 2018-2020 by 4am
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2019-09-24 19:50:40 +00:00
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;
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; routines for drawing the UI overlay (search bar, browse bar, instructions, cheat mode)
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; on top of whatever else is on the screen
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;
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; Public functions
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; - DrawUIWithoutDots
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; - DrawUI
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;
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; Public variables
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; - VisibleGameCount (set during init)
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;
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Instructions
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2019-09-26 17:46:13 +00:00
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!text "[Type to search, ? for help ] "
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2019-09-24 19:50:40 +00:00
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VisibleGameCount
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!text "000 games"
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ReturnToPlay
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!byte $0D
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!text " to play"
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2020-04-12 01:02:52 +00:00
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kCheatsEnabled = 6 ; index of 'cheats enabled' string in following table
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2019-09-24 19:50:40 +00:00
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kCheatDescriptionLo
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!byte <sNoCheats
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!byte <sInfiniteLives
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2020-04-12 01:02:52 +00:00
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!byte <sInfiniteWeapons
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2019-09-24 19:50:40 +00:00
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!byte <sInfiniteLivesAndWeapons
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2020-03-17 03:16:46 +00:00
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!byte <sInvincibility
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2020-04-06 20:26:28 +00:00
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!byte <sInGame
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2019-09-24 19:50:40 +00:00
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!byte <sCheatsEnabled
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kCheatDescriptionHi
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!byte >sNoCheats
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!byte >sInfiniteLives
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2020-04-12 01:02:52 +00:00
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!byte >sInfiniteWeapons
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2019-09-24 19:50:40 +00:00
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!byte >sInfiniteLivesAndWeapons
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2020-03-17 03:16:46 +00:00
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!byte >sInvincibility
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2020-04-06 20:26:28 +00:00
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!byte >sInGame
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2019-09-24 19:50:40 +00:00
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!byte >sCheatsEnabled
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sNoCheats
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2019-10-08 18:10:35 +00:00
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!byte 8 ; length
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2019-09-24 19:50:40 +00:00
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!text "no cheat"
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sInfiniteLives
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2019-10-08 18:10:35 +00:00
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!byte 18 ; length
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2021-10-18 01:18:14 +00:00
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!byte $16 ; padlock character
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2019-09-24 19:50:40 +00:00
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!text " "
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!text "infinite lives"
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!text " "
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2021-10-18 01:18:14 +00:00
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!byte $16 ; padlock character
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2020-04-12 01:02:52 +00:00
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sInfiniteWeapons
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!byte 20 ; length
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2021-10-18 01:18:14 +00:00
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!byte $16 ; padlock character
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2020-04-12 01:02:52 +00:00
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!text " "
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!text "infinite weapons"
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!text " "
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2021-10-18 01:18:14 +00:00
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!byte $16 ; padlock character
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2019-09-24 19:50:40 +00:00
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sInfiniteLivesAndWeapons
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2019-10-08 18:10:35 +00:00
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!byte 28 ; length
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2021-10-18 01:18:14 +00:00
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!byte $16 ; padlock character
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2019-09-24 19:50:40 +00:00
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!text " "
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!text "infinite lives & weapons"
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!text " "
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2021-10-18 01:18:14 +00:00
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!byte $16 ; padlock character
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2020-03-17 03:16:46 +00:00
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sInvincibility
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!byte 14 ; length
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2021-10-18 01:18:14 +00:00
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!byte $16 ; padlock character
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2020-03-17 03:16:46 +00:00
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!text " "
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!text "invincible"
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!text " "
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2021-10-18 01:18:14 +00:00
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!byte $16 ; padlock character
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2020-04-06 20:26:28 +00:00
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sInGame
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!byte 18 ; length
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2021-10-18 01:18:14 +00:00
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!byte $16 ; padlock character
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2020-04-06 20:26:28 +00:00
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!text " "
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!text "in-game cheats"
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!text " "
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2021-10-18 01:18:14 +00:00
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!byte $16 ; padlock character
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2019-09-24 19:50:40 +00:00
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sCheatsEnabled
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2019-10-08 18:10:35 +00:00
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!byte 18 ; length
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2021-10-18 01:18:14 +00:00
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!byte $16 ; padlock character
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2019-09-24 19:50:40 +00:00
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!text " "
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!text "cheats enabled"
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!text " "
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2021-10-18 01:18:14 +00:00
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!byte $16 ; padlock character
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2019-09-24 19:50:40 +00:00
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sCheatDescriptionPrefix
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2019-10-08 18:10:35 +00:00
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!byte 2 ; length
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2019-10-08 03:58:20 +00:00
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!byte $03 ; vertical line character
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2019-09-24 19:50:40 +00:00
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!text " "
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sCheatDescriptionSuffix
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2019-10-08 18:10:35 +00:00
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!byte 2 ; length
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2019-09-24 19:50:40 +00:00
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!text " "
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2019-10-08 03:58:20 +00:00
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!byte $03 ; vertical line character
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2019-09-24 19:50:40 +00:00
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;------------------------------------------------------------------------------
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; DrawUIWithoutDots/DrawUI
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; draw 2- or 4-line UI on the HGR page that is not currently showing, then
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; show that HGR page
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;
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2020-03-24 20:30:14 +00:00
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; in: gGameToLaunch = game index (word), or #$FFFF if no game is selected
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2019-09-24 19:50:40 +00:00
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; out: all flags and registers clobbered
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;------------------------------------------------------------------------------
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DrawUIWithoutDots
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2020-07-09 17:10:29 +00:00
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lda #$40 ; " " * 2
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2019-10-09 02:25:22 +00:00
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+HIDE_NEXT_2_BYTES
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2019-09-24 19:50:40 +00:00
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DrawUI
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2019-10-09 02:25:22 +00:00
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lda #$FF ; #$7F * 2
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lsr
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sta @printCursor+1 ; set up cursor printing based on entry point
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2019-09-24 19:50:40 +00:00
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php
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ldy #39
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2020-03-09 21:24:30 +00:00
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-
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2019-09-24 19:50:40 +00:00
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lda Instructions,y
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sta UILine2,y ; copy instructions to UI line 2
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2020-03-09 21:24:30 +00:00
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lda #$00 ; horizontal bar character
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sta UILine1,y ; reset UI line 1 to solid bar
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sta gPathname,y ; reset cheat UI line 1 to solid bar
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2019-09-24 19:50:40 +00:00
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dey
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bpl -
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2020-03-09 21:24:30 +00:00
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sta gGameToLaunchInfo ; reset gGameToLaunchInfo
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lda #40
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sta gPathname ; hack, used by first RedrawForDHGR which follows
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; Draw40Chars which doesn't set gPathname
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2019-09-24 19:50:40 +00:00
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2021-10-28 05:28:20 +00:00
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jsr GetGameToLaunch ; get current game, if any
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2020-03-24 20:30:14 +00:00
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bcs @doneWithLine2 ; if no game, nothing more to do on UI line 2
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2021-10-28 05:28:20 +00:00
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; A/Y -> key of current game (in gSearchStore)
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2021-11-09 17:41:15 +00:00
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jsr okvs_next_field ; (PTR) -> display name of current game
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2021-10-28 00:08:03 +00:00
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; Y = 0
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lda (PTR), y
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tay
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iny
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sty SAVE
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iny
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2021-10-27 17:06:04 +00:00
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lda (PTR), y ; A = game info bitfield
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sta gGameToLaunchInfo
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2020-03-18 16:08:39 +00:00
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ldy #0
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2021-10-28 00:08:03 +00:00
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2019-09-24 19:50:40 +00:00
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- iny
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2019-10-10 01:02:46 +00:00
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@printCursor
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lda #$FD ; SMC
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2019-09-24 19:50:40 +00:00
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cpy SAVE
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bcc @printTitleChar
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2019-10-10 01:02:46 +00:00
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beq @printChar
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2019-09-24 19:50:40 +00:00
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lda #" "
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+HIDE_NEXT_2_BYTES
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@printTitleChar
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lda (PTR),y
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2019-10-10 01:02:46 +00:00
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@printChar
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2019-09-24 19:50:40 +00:00
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sta UILine2,y
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cpy #MaxInputLength+1
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bcc -
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ldx #8 ; replace games count with 'to play' label
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- lda ReturnToPlay,x
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sta UI_ToPlay,x
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dex
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bpl -
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@doneWithLine2
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2019-10-05 01:34:49 +00:00
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lda MachineStatus
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and #CHEATS_ENABLED
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beq @maybeDrawDots ; if cheat mode is disabled, we don't need
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2019-09-24 19:50:40 +00:00
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; any curves or spaces on UI line 1
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2019-10-10 01:02:46 +00:00
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jsr CheckCheats
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2019-09-24 19:50:40 +00:00
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; (SAVE) -> length-prefixed string
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; (game-specific description or 'cheats enabled' message)
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ldy #0
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lda (SAVE),y ; A = string length
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clc
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adc #4 ; extra padding (2 on each side)
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sta @len
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lda #40
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sec
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sbc @len
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lsr
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tax
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lda #$09 ; rounded bottom-right character
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sta UILine1,x
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2019-11-27 21:51:43 +00:00
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iny ; fill the proper width with spaces
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2019-09-24 19:50:40 +00:00
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lda #$20 ; space character
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- inx
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sta UILine1,x
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iny
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@len=*+1
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cpy #$FD ; SMC
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bne -
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lda #$0C ; rounded bottom-left character
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sta UILine1,x
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@maybeDrawDots
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plp
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bcc @doneHighlight ; if caller asked for no dots, then we're done building UI line 1
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ldx #0
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ldy #0
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@dotloop
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iny
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2021-10-28 00:08:03 +00:00
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lda (PTR),y ; (PTR) still points to game display name
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2019-10-10 01:02:46 +00:00
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ora #$20 ; force lower-case always
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2019-09-24 19:50:40 +00:00
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cmp InputBuffer,x
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bne +
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lda #$11 ; dot character
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sta UILine1,y
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inx
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cpx InputLength ; if input buffer is exhausted, we're done drawing dots
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beq @doneHighlight
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+ inc HTAB
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cpy SAVE ; if game name is exhausted, we're done drawing dots
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bne @dotloop
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@doneHighlight
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lda #22
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sta VTAB
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lda OffscreenPage
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ror
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php
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+LDADDR UILine1
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jsr Draw40Chars ; draw UI line 1 on offscreen page
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2020-03-09 21:24:30 +00:00
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jsr MaybeRedrawUIForDHGR ; transform for DHGR if this is a DHGR title screen
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2019-09-24 19:50:40 +00:00
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plp
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2020-03-15 16:13:50 +00:00
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gDrawingOnscreen=*+1
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lda #$00 ; SMC, might be 1
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bne @uidone
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2019-09-24 19:50:40 +00:00
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+LDADDR UILine2
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jsr Draw40Chars ; draw UI line 2 on offscreen page
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2020-03-09 21:24:30 +00:00
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jsr MaybeRedrawUIForDHGR ; transform for DHGR if this is a DHGR title screen
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2019-10-05 01:34:49 +00:00
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lda MachineStatus
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and #CHEATS_ENABLED
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beq @uidone ; if cheats are disabled, then we're done drawing UI
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2019-09-24 19:50:40 +00:00
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; (SAVE) still points to length-prefixed cheat description
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ldy #0
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lda (SAVE),y ; A = length of cheat description
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clc
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adc #4 ; extra padding (2 on each side)
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sta gPathname ; gPathname = length
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tax
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lda #$07 ; gPathname+length = top-right rounded corner character
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sta gPathname,x
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lda #$06 ; gPathname+1 = top-left rounded corner character
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sta gPathname+1
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lda #20
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sta VTAB
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lda OffscreenPage
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ror
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php
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+LDADDR gPathname
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jsr DrawCenteredString ; draw cheat UI line 1
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2020-03-09 21:24:30 +00:00
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jsr MaybeRedrawUIForDHGR ; transform for DHGR if this is a DHGR title screen
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2019-10-10 01:02:46 +00:00
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jsr CheckCheats
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2019-09-24 19:50:40 +00:00
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; (SAVE) -> length-prefixed cheat description
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+LDADDR sCheatDescriptionPrefix
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jsr SetPath
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2020-03-24 20:30:14 +00:00
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+LD16 SAVE
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2019-09-24 19:50:40 +00:00
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jsr AddToPath
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+LDADDR sCheatDescriptionSuffix
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jsr AddToPath
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plp
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+LDADDR gPathname
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jsr DrawCenteredString ; draw cheat UI line 2
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2020-03-09 21:24:30 +00:00
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jsr MaybeRedrawUIForDHGR ; transform for DHGR if this is a DHGR title screen
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2020-03-15 16:13:50 +00:00
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@uidone lda #0
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sta gDrawingOnscreen
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2021-11-15 18:24:53 +00:00
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bit MachineStatus
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bvc +
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bit gGameToLaunchInfo
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bpl +
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jmp ShowOtherDHGRPage
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+ jmp ShowOtherPage
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2019-10-10 01:02:46 +00:00
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CheckCheats
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2020-03-24 20:30:14 +00:00
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ldx #kCheatsEnabled
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jsr AnyGameSelected
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bcs +
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2020-03-09 01:32:14 +00:00
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gGameToLaunchInfo=*+1
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lda #$FD ; SMC
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2020-03-09 21:24:30 +00:00
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and #CHEAT_CATEGORY
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2020-03-24 20:30:14 +00:00
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tax
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2019-10-10 01:02:46 +00:00
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+
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2020-03-24 20:30:14 +00:00
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lda kCheatDescriptionLo,x
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2019-10-10 01:02:46 +00:00
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sta SAVE
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2020-03-24 20:30:14 +00:00
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lda kCheatDescriptionHi,x
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2019-10-10 01:02:46 +00:00
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sta SAVE+1
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2021-11-15 18:24:53 +00:00
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OVERLAYRTS
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rts
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2020-03-09 21:24:30 +00:00
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MaybeRedrawUIForDHGR
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2020-03-15 03:54:06 +00:00
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bit MachineStatus
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2021-11-15 18:24:53 +00:00
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bvc OVERLAYRTS
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2020-03-09 21:24:30 +00:00
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bit gGameToLaunchInfo
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2021-11-15 18:24:53 +00:00
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bpl OVERLAYRTS
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2020-03-09 21:24:30 +00:00
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jmp RedrawForDHGR
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