diff options
Diffstat (limited to 'engine/titlescreen.asm')
| -rwxr-xr-x | engine/titlescreen.asm | 280 |
1 files changed, 148 insertions, 132 deletions
diff --git a/engine/titlescreen.asm b/engine/titlescreen.asm index 8f2fcfe7..8d605c49 100755 --- a/engine/titlescreen.asm +++ b/engine/titlescreen.asm @@ -1,30 +1,30 @@ -; copy text of fixed length $b (like player name, rival name, mon names, ...) +; copy text of fixed length NAME_LENGTH (like player name, rival name, mon names, ...) CopyFixedLengthText: ; 42b1 (1:42b1) - ld bc, $b + ld bc, NAME_LENGTH jp CopyData SetDefaultNamesBeforeTitlescreen: ; 42b7 (1:42b7) ld hl, NintenText - ld de, wPlayerName ; wd158 + ld de, wPlayerName call CopyFixedLengthText ld hl, SonyText - ld de, W_RIVALNAME ; wd34a + ld de, W_RIVALNAME call CopyFixedLengthText xor a ld [hWY], a - ld [wd358], a + ld [wLetterPrintingDelayFlags], a ld hl, wd732 ld [hli], a ld [hli], a ld [hl], a ld a, BANK(Music_TitleScreen) - ld [wc0ef], a - ld [wc0f0], a + ld [wAudioROMBank], a + ld [wAudioSavedROMBank], a -LoadTitlescreenGraphics: ; 42dd (1:42dd) +DisplayTitleScreen: ; 42dd (1:42dd) call GBPalWhiteOut ld a, $1 - ld [H_AUTOBGTRANSFERENABLED], a ; $ffba + ld [H_AUTOBGTRANSFERENABLED], a xor a ld [hTilesetType], a ld [hSCX], a @@ -35,112 +35,123 @@ LoadTitlescreenGraphics: ; 42dd (1:42dd) call ClearScreen call DisableLCD call LoadFontTilePatterns - ld hl, NintendoCopyrightLogoGraphics ; $60c8 + ld hl, NintendoCopyrightLogoGraphics ld de, vTitleLogo2 + $100 ld bc, $50 ld a, BANK(NintendoCopyrightLogoGraphics) call FarCopyData2 - ld hl, GamefreakLogoGraphics ; $61f8 + ld hl, GamefreakLogoGraphics ld de, vTitleLogo2 + $100 + $50 ld bc, $90 ld a, BANK(GamefreakLogoGraphics) call FarCopyData2 - ld hl, PokemonLogoGraphics ; $5380 + ld hl, PokemonLogoGraphics ld de, vTitleLogo ld bc, $600 ld a, BANK(PokemonLogoGraphics) call FarCopyData2 ; first chunk - ld hl, PokemonLogoGraphics+$600 ; $5980 + ld hl, PokemonLogoGraphics+$600 ld de, vTitleLogo2 ld bc, $100 ld a, BANK(PokemonLogoGraphics) call FarCopyData2 ; second chunk ld hl, Version_GFX ; $402f ld de,vChars2 + $600 - ld bc,$50 - + ld bc, Version_GFXEnd - Version_GFX ld a, BANK(Version_GFX) call FarCopyDataDouble - call Func_4519 - hlCoord 2, 1 + call ClearBothBGMaps + +; place tiles for pokemon logo (except for the last row) + coord hl, 2, 1 ld a, $80 - ld de, $14 - ld c, $6 -.asm_434d + ld de, SCREEN_WIDTH + ld c, 6 +.pokemonLogoTileLoop ld b, $10 push hl -.asm_4350 +.pokemonLogoTileRowLoop ; place tiles for one row ld [hli], a inc a dec b - jr nz, .asm_4350 + jr nz, .pokemonLogoTileRowLoop pop hl add hl, de dec c - jr nz, .asm_434d - hlCoord 2, 7 + jr nz, .pokemonLogoTileLoop + +; place tiles for the last row of the pokemon logo + coord hl, 2, 7 ld a, $31 ld b, $10 -.asm_4361 +.pokemonLogoLastTileRowLoop ld [hli], a inc a dec b - jr nz, .asm_4361 - call Func_44dd + jr nz, .pokemonLogoLastTileRowLoop + + call DrawPlayerCharacter + +; put a pokeball in the player's hand ld hl, wOAMBuffer + $28 ld a, $74 ld [hl], a - hlCoord 2, 17 - ld de, .titlescreenTilemap ; $437f + +; place tiles for title screen copyright + coord hl, 2, 17 + ld de, .tileScreenCopyrightTiles ld b, $10 -.asm_4377 +.tileScreenCopyrightTilesLoop ld a, [de] ld [hli], a inc de dec b - jr nz, .asm_4377 - jr .asm_438f + jr nz, .tileScreenCopyrightTilesLoop + + jr .next -.titlescreenTilemap ; 437f (1:437f) +.tileScreenCopyrightTiles ; 437f (1:437f) db $41,$42,$43,$42,$44,$42,$45,$46,$47,$48,$49,$4A,$4B,$4C,$4D,$4E ; ©'95.'96.'98 GAME FREAK inc. -.asm_438f +.next call SaveScreenTilesToBuffer2 call LoadScreenTilesFromBuffer2 call EnableLCD ld a,CHARMANDER ; which Pokemon to show first on the title screen - ld [wWhichTrade], a ; wWhichTrade - call Func_4524 - ld a, $9b - call Func_4533 + ld [wTitleMonSpecies], a + call LoadTitleMonSprite + ld a, (vBGMap0 + $300) / $100 + call TitleScreenCopyTileMapToVRAM call SaveScreenTilesToBuffer1 ld a, $40 ld [hWY], a call LoadScreenTilesFromBuffer2 - ld a, $98 - call Func_4533 - ld b, $6 - call GoPAL_SET + ld a, vBGMap0 / $100 + call TitleScreenCopyTileMapToVRAM + ld b, SET_PAL_TITLE_SCREEN + call RunPaletteCommand call GBPalNormal - ld a, $e4 - ld [rOBP0], a ; $ff48 - ld bc, $ffaf ; background scroll Y - ld hl, .TitleScreenPokemonLogoYScrolls ; $43db -.asm_43c6 + ld a, %11100100 + ld [rOBP0], a + +; make pokemon logo bounce up and down + ld bc, hSCY ; background scroll Y + ld hl, .TitleScreenPokemonLogoYScrolls +.bouncePokemonLogoLoop ld a, [hli] and a - jr z, .asm_43f4 + jr z, .finishedBouncingPokemonLogo ld d, a - cp $fd - jr nz, .asm_43d4 - ld a, (SFX_1f_62 - SFX_Headers_1f) / 3 + cp -3 + jr nz, .skipPlayingSound + ld a, SFX_INTRO_CRASH call PlaySound -.asm_43d4 +.skipPlayingSound ld a, [hli] ld e, a call .ScrollTitleScreenPokemonLogo - jr .asm_43c6 + jr .bouncePokemonLogoLoop .TitleScreenPokemonLogoYScrolls: ; 43db (1:43db) ; Controls the bouncing effect of the Pokemon logo on the title screen @@ -157,58 +168,65 @@ LoadTitlescreenGraphics: ; 42dd (1:42dd) ; Scrolls the Pokemon logo on the title screen to create the bouncing effect ; Scrolls d pixels e times call DelayFrame - ld a, [bc] + ld a, [bc] ; background scroll Y add d ld [bc], a dec e jr nz, .ScrollTitleScreenPokemonLogo ret -.asm_43f4 + +.finishedBouncingPokemonLogo call LoadScreenTilesFromBuffer1 - ld c, $24 + ld c, 36 call DelayFrames - ld a, (SFX_1f_63 - SFX_Headers_1f) / 3 + ld a, SFX_INTRO_WHOOSH call PlaySound + +; scroll game version in from the right call PrintGameVersionOnTitleScreen - ld a, $90 + ld a, SCREEN_HEIGHT_PIXELS ld [hWY], a - ld d, $90 -.asm_440a + ld d, 144 +.scrollTitleScreenGameVersionLoop ld h, d - ld l, $40 - call Func_44cf - ld h, $0 - ld l, $50 - call Func_44cf + ld l, 64 + call ScrollTitleScreenGameVersion + ld h, 0 + ld l, 80 + call ScrollTitleScreenGameVersion ld a, d - add $4 + add 4 ld d, a and a - jr nz, .asm_440a - ld a, $9c - call Func_4533 + jr nz, .scrollTitleScreenGameVersionLoop + + ld a, vBGMap1 / $100 + call TitleScreenCopyTileMapToVRAM call LoadScreenTilesFromBuffer2 call PrintGameVersionOnTitleScreen call Delay3 call WaitForSoundToFinish ld a, MUSIC_TITLE_SCREEN - ld [wc0ee], a + ld [wNewSoundID], a call PlaySound xor a - ld [wcc5b], a -.asm_443b - ld c, $c8 + ld [wUnusedCC5B], a + +; Keep scrolling in new mons indefinitely until the user performs input. +.awaitUserInterruptionLoop + ld c, 200 call CheckForUserInterruption - jr c, .asm_4459 - call Func_44c1 - ld c, $1 + jr c, .finishedWaiting + call TitleScreenScrollInMon + ld c, 1 call CheckForUserInterruption - jr c, .asm_4459 - callba Func_372ac - call Func_4496 - jr .asm_443b -.asm_4459 - ld a, [wWhichTrade] ; wWhichTrade + jr c, .finishedWaiting + callba TitleScreenAnimateBallIfStarterOut + call TitleScreenPickNewMon + jr .awaitUserInterruptionLoop + +.finishedWaiting + ld a, [wTitleMonSpecies] call PlayCry call WaitForSoundToFinish call GBPalWhiteOutWithDelay3 @@ -216,12 +234,12 @@ LoadTitlescreenGraphics: ; 42dd (1:42dd) xor a ld [hWY], a inc a - ld [H_AUTOBGTRANSFERENABLED], a ; $ffba + ld [H_AUTOBGTRANSFERENABLED], a call ClearScreen - ld a, $98 - call Func_4533 - ld a, $9c - call Func_4533 + ld a, vBGMap0 / $100 + call TitleScreenCopyTileMapToVRAM + ld a, vBGMap1 / $100 + call TitleScreenCopyTileMapToVRAM call Delay3 call LoadGBPal ld a, [hJoyHeld] @@ -232,16 +250,14 @@ LoadTitlescreenGraphics: ; 42dd (1:42dd) jp MainMenu .doClearSaveDialogue - ld b, BANK(DoClearSaveDialogue) - ld hl, DoClearSaveDialogue - jp Bankswitch + jpba DoClearSaveDialogue -Func_4496: ; 4496 (1:4496) - ld a, $98 - call Func_4533 +TitleScreenPickNewMon: ; 4496 (1:4496) + ld a, vBGMap0 / $100 + call TitleScreenCopyTileMapToVRAM -.new -; Generate a new TitleMon. +.loop +; Keep looping until a mon different from the current one is picked. call Random and $f ld c, a @@ -249,14 +265,14 @@ Func_4496: ; 4496 (1:4496) ld hl, TitleMons add hl, bc ld a, [hl] - ld hl, wWhichTrade ; wWhichTrade + ld hl, wTitleMonSpecies ; Can't be the same as before. cp [hl] - jr z, .new + jr z, .loop ld [hl], a - call Func_4524 + call LoadTitleMonSprite ld a, $90 ld [hWY], a @@ -264,80 +280,80 @@ Func_4496: ; 4496 (1:4496) callba TitleScroll ret -Func_44c1: ; 44c1 (1:44c1) +TitleScreenScrollInMon: ; 44c1 (1:44c1) ld d, 0 ; scroll in callba TitleScroll xor a ld [hWY], a ret -Func_44cf: ; 44cf (1:44cf) +ScrollTitleScreenGameVersion: ; 44cf (1:44cf) .wait - ld a, [$ff44] ; rLY + ld a, [rLY] cp l jr nz, .wait ld a, h - ld [rSCX], a ; $ff43 + ld [rSCX], a .wait2 - ld a, [$ff44] ; rLY + ld a, [rLY] cp h jr z, .wait2 ret -Func_44dd: ; 44dd (1:44dd) - ld hl, PlayerCharacterTitleGraphics ; $66a8 +DrawPlayerCharacter: ; 44dd (1:44dd) + ld hl, PlayerCharacterTitleGraphics ld de, vSprites - ld bc, $230 + ld bc, PlayerCharacterTitleGraphicsEnd - PlayerCharacterTitleGraphics ld a, BANK(PlayerCharacterTitleGraphics) call FarCopyData2 call ClearSprites xor a - ld [wWhichTrade], a ; wWhichTrade + ld [wPlayerCharacterOAMTile], a ld hl, wOAMBuffer ld de, $605a - ld b, $7 -.asm_44fa + ld b, 7 +.loop push de - ld c, $5 -.asm_44fd + ld c, 5 +.innerLoop ld a, d - ld [hli], a + ld [hli], a ; Y ld a, e - ld [hli], a - add $8 + ld [hli], a ; X + add 8 ld e, a - ld a, [wWhichTrade] ; wWhichTrade - ld [hli], a + ld a, [wPlayerCharacterOAMTile] + ld [hli], a ; tile inc a - ld [wWhichTrade], a ; wWhichTrade + ld [wPlayerCharacterOAMTile], a inc hl dec c - jr nz, .asm_44fd + jr nz, .innerLoop pop de - ld a, $8 + ld a, 8 add d ld d, a dec b - jr nz, .asm_44fa + jr nz, .loop ret -Func_4519: ; 4519 (1:4519) +ClearBothBGMaps: ; 4519 (1:4519) ld hl, vBGMap0 - ld bc, $800 - ld a, $7f + ld bc, $400 * 2 + ld a, " " jp FillMemory -Func_4524: ; 4524 (1:4524) +LoadTitleMonSprite: ; 4524 (1:4524) ld [wcf91], a ld [wd0b5], a - hlCoord 5, 10 + coord hl, 5, 10 call GetMonHeader jp LoadFrontSpriteByMonIndex -Func_4533: ; 4533 (1:4533) - ld [$ffbd], a +TitleScreenCopyTileMapToVRAM: ; 4533 (1:4533) + ld [H_AUTOBGTRANSFERDEST + 1], a jp Delay3 LoadCopyrightAndTextBoxTiles: ; 4538 (1:4538) @@ -347,12 +363,12 @@ LoadCopyrightAndTextBoxTiles: ; 4538 (1:4538) call LoadTextBoxTilePatterns LoadCopyrightTiles: ; 4541 (1:4541) - ld de, NintendoCopyrightLogoGraphics ; $60c8 + ld de, NintendoCopyrightLogoGraphics ld hl, vChars2 + $600 - ld bc, (BANK(NintendoCopyrightLogoGraphics) << 8) + $1c + lb bc, BANK(NintendoCopyrightLogoGraphics), (GamefreakLogoGraphicsEnd - NintendoCopyrightLogoGraphics) / $10 call CopyVideoData - hlCoord 2, 7 - ld de, CopyrightTextString ; $4556 + coord hl, 2, 7 + ld de, CopyrightTextString jp PlaceString CopyrightTextString: ; 4556 (1:4556) @@ -365,7 +381,7 @@ INCLUDE "data/title_mons.asm" ; prints version text (red, blue) PrintGameVersionOnTitleScreen: ; 4598 (1:4598) - hlCoord 7, 8 + coord hl, 7, 8 ld de, VersionOnTitleScreenText jp PlaceString |