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authorMarcus Huderle <huderlem@gmail.com>2017-06-19 14:13:15 -0700
committerMarcus Huderle <huderlem@gmail.com>2017-06-19 14:13:15 -0700
commitdab06603a1c4e647eac9c75a62782e4b9a4dc170 (patch)
treea99ebab3d4b7c36a22bfca29eb2182ab89e2cb9e /engine
parentf4920d6387bc331c88de6a5be3acfbfa25f6afeb (diff)
Move copyright and erase-all-data screens into their own files
Diffstat (limited to 'engine')
-rwxr-xr-xengine/copyright_screen.asm105
-rwxr-xr-xengine/erase_all_data_menu.asm115
2 files changed, 220 insertions, 0 deletions
diff --git a/engine/copyright_screen.asm b/engine/copyright_screen.asm
new file mode 100755
index 0000000..41ae974
--- /dev/null
+++ b/engine/copyright_screen.asm
@@ -0,0 +1,105 @@
+HandleCopyrightScreen: ; 0x821e
+ ld a, [wScreenState]
+ rst JumpTable ; calls JumpToFuncInTable
+CopyrightScreenFunctions: ; 0x8222
+ dw FadeInCopyrightScreen
+ dw DisplayCopyrightScreen
+ dw FadeOutCopyrightScreenAndLoadData
+
+FadeInCopyrightScreen: ; 0x8228
+ ld a, $41
+ ld [hLCDC], a
+ ld a, $e4
+ ld [wBGP], a
+ xor a
+ ld [wOBP0], a
+ ld [wOBP1], a
+ ld [hSCX], a
+ ld [hSCY], a
+ ld a, [hGameBoyColorFlag]
+ ld hl, CopyrightTextGfxPointers
+ call LoadVideoData
+ call ClearOAMBuffer
+ call Func_b66
+ call Func_588
+ call SGBNormal
+ ld bc, $0050
+ call AdvanceFrames
+ call Func_bbe
+ ld hl, wScreenState
+ inc [hl]
+ ret
+
+CopyrightTextGfxPointers: ; 0x825e
+ dw CopyrightTextGfx_GameBoy
+ dw CopyrightTextGfx_GameBoyColor
+
+CopyrightTextGfx_GameBoy: ; 0x8262
+ VIDEO_DATA_TILES CopyrightTextGfx, vTilesSH, $400
+ VIDEO_DATA_TILEMAP CopyrightScreenTilemap, vBGMap, $400
+ db $FF, $FF ; terminators
+
+CopyrightTextGfx_GameBoyColor: ; 0x8272
+ VIDEO_DATA_TILES CopyrightTextGfx, vTilesSH, $400
+ VIDEO_DATA_TILEMAP CopyrightScreenTilemap, vBGMap, $400
+ VIDEO_DATA_BGATTR CopyrightScreenBGAttributes, vBGMap, $400
+ VIDEO_DATA_PALETTES CopyrightScreenPalettes, $80
+ db $FF, $FF ; terminators
+
+DisplayCopyrightScreen: ; 0x8290
+ ld b, $5a ; number of frames to show the copyright screen
+.delayLoop
+ push bc
+ rst AdvanceFrame ; wait for next frame
+ pop bc
+ ld a, b
+ cp $2d ; player can press A button to skip copyright screen once counter is below $2d
+ jr nc, .decrementCounter
+ ld a, [hNewlyPressedButtons]
+ bit BIT_A_BUTTON, a
+ jr nz, .done
+.decrementCounter
+ dec b
+ jr nz, .delayLoop
+.done
+ ld hl, wScreenState
+ inc [hl]
+ ret
+
+FadeOutCopyrightScreenAndLoadData: ; 0x82a8
+ call Func_cb5
+ call Func_576
+ ld hl, sHighScores
+ ld de, wRedHighScore1Points
+ ld bc, $0082
+ call LoadSavedData
+ jr c, .loadedHighScores
+ callba CopyInitialHighScores
+.loadedHighScores
+ ld hl, sPokedexFlags
+ ld de, wPokedexFlags
+ ld bc, $0098
+ call LoadSavedData
+ jr c, .asm_82de
+ callba ClearPokedexData
+.asm_82de
+ ld hl, sKeyConfigs
+ ld de, wKeyConfigs
+ ld bc, $000e
+ call LoadSavedData
+ jr c, .asm_82f6
+ callba SaveDefaultKeyConfigs
+.asm_82f6
+ ld hl, sSaveGame
+ ld de, wPartyMons
+ ld bc, $04c3 ; This is saved game data from when the player saves in the middle of a game.
+ call LoadSavedData
+ jr c, .asm_8308
+ xor a
+ ld [wd7c2], a ; if this is non-zero, the main menu will prompt for "continue or new game?".
+.asm_8308
+ ld hl, wCurrentScreen
+ inc [hl]
+ xor a
+ ld [wScreenState], a
+ ret
diff --git a/engine/erase_all_data_menu.asm b/engine/erase_all_data_menu.asm
new file mode 100755
index 0000000..ae0b780
--- /dev/null
+++ b/engine/erase_all_data_menu.asm
@@ -0,0 +1,115 @@
+HandleEraseAllDataMenu: ; 0x815d
+ ld a, [wScreenState]
+ rst JumpTable ; calls JumpToFuncInTable
+EraseAllDataMenuFunctions: ; 0x8161
+ dw CheckForResetButtonCombo
+ dw HandleEraseAllDataInput
+ dw ExitEraseAllDataMenu
+
+CheckForResetButtonCombo: ; 0x8167
+ ld a, [hJoypadState]
+ cp (D_UP | D_RIGHT | START | SELECT)
+ jr z, .heldCorrectButtons
+ ld hl, wCurrentScreen
+ inc [hl]
+ ret
+
+.heldCorrectButtons
+ ld a, $41
+ ld [hLCDC], a
+ ld a, $e4
+ ld [wBGP], a
+ xor a
+ ld [wOBP0], a
+ ld [wOBP1], a
+ ld [hSCX], a
+ ld [hSCY], a
+ ld a, [hGameBoyColorFlag]
+ ld hl, EraseAllDataGfxPointers
+ call LoadVideoData
+ call ClearOAMBuffer
+ call Func_b66
+ call Func_588
+ call SGBNormal
+ call Func_bbe
+ ld hl, wScreenState
+ inc [hl]
+ ret
+
+EraseAllDataGfxPointers: ; 0x81a2
+ dw EraseAllDataGfx_GameBoy
+ dw EraseAllDataGfx_GameBoyColor
+
+EraseAllDataGfx_GameBoy: ; 0x81a6
+ VIDEO_DATA_TILES EraseAllDataGfx, vTilesBG, $300
+ VIDEO_DATA_TILEMAP EraseAllDataTilemap, vBGMap, $400
+ db $FF, $FF ; terminators
+
+EraseAllDataGfx_GameBoyColor: ; 0x81b6
+ VIDEO_DATA_TILES EraseAllDataGfx, vTilesBG, $300
+ VIDEO_DATA_TILEMAP EraseAllDataTilemap, vBGMap, $400
+ VIDEO_DATA_BGATTR EraseAllDataBGAttributes, vBGMap, $400
+ VIDEO_DATA_PALETTES HighScoresRedStagePalettes, $80
+ db $FF, $FF ; terminators
+
+HandleEraseAllDataInput: ; 0x81d4
+ ld a, [hNewlyPressedButtons]
+ bit BIT_A_BUTTON, a
+ jr z, .checkForBButton
+ ld hl, $a000
+ xor a
+ ld b, a
+.eraseSavedDataLoop
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ ld [hli], a
+ dec b
+ jr nz, .eraseSavedDataLoop
+ ld hl, wScreenState
+ inc [hl]
+ ret
+
+.checkForBButton
+ bit BIT_B_BUTTON, a
+ ret z
+ ld hl, wScreenState
+ inc [hl]
+ ret
+
+ExitEraseAllDataMenu: ; 0x820f
+ call Func_cb5
+ call Func_576
+ ld hl, wCurrentScreen
+ inc [hl]
+ xor a
+ ld [wScreenState], a
+ ret