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https://gitlab.com/xCrystal/pokecrystal-board.git
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210 lines
3.6 KiB
NASM
Executable File
210 lines
3.6 KiB
NASM
Executable File
ClearedLevelScreen:
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xor a
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ldh [hMapAnims], a
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ldh [hSCY], a
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ld a, -$4
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ldh [hSCX], a
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call DisableLCD
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call ClearTilemap
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call ClearBGMap0or2
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call LoadFrame
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call LoadStandardFont
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call ClearMenuAndWindowData
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ld b, CGB_DIPLOMA
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call GetCGBLayout
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call SetPalettes
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call EnableLCD
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ld hl, .LevelCleared1Text
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bccoord 3, 1
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call PrintHLTextAtBC
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ld hl, .LevelCleared2Text
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bccoord 3, 3
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call PrintHLTextAtBC
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.loop
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call DelayFrame
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call GetJoypad
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ldh a, [hJoyPressed]
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bit A_BUTTON_F, a
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jr nz, .exit
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bit B_BUTTON_F, a
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jr z, .loop
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.exit
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call AddLevelCoinsToBalance
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call ClearLevel
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xor a
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ld [wNumTempUnlockedLevels], a
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ld a, $ff
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ld [wTempUnlockedLevels], a
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call UnlockLevels
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ld c, 30
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jp DelayFrames
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.LevelCleared1Text:
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text " L E V E L"
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done
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.LevelCleared2Text:
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text "C L E A R E D"
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done
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AddLevelCoinsToBalance:
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; givecoins YOUR_COINS, COINS_FROM_RAM | wCurLevelCoins
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ld de, wCoins ; YOUR_COINS
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ld hl, wCurLevelCoins
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ld bc, hCoinsTemp
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push bc
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ld a, [hli]
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ld [bc], a
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inc bc
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ld a, [hli]
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ld [bc], a
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inc bc
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ld a, [hl]
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ld [bc], a
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pop bc
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farcall GiveCoins
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ret
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ClearLevel:
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ld a, [wCurSpaceEffect] ; End Space effect byte contains STAGE_*_F
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call GetClearedLevelsStageAddress
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ld b, SET_FLAG
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ld d, 0
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ld a, [wCurLevel]
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ld e, a
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call FlagAction
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ret
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UnlockLevels:
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call ComputeLevelsToUnlock
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jp SaveUnlockedLevels
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ComputeLevelsToUnlock:
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ld hl, LevelUnlockRequirements
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ld de, wUnlockedLevels - 1
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ld b, 0
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.next_byte
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ld c, 8
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inc de
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ld a, [de]
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.next_bit
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srl a
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push af
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call nc, .CheckUnlockLevel ; skip if level is already unlocked
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inc b
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ld a, b
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cp NUM_LEVELS
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jr z, .done
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; advance hl to next level in LevelUnlockRequirements
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.loop
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ld a, [hli]
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inc a ; cp $ff
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jr nz, .loop
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pop af
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dec c
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jr z, .next_byte
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jr .next_bit
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.done
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pop af
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ret
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; check if the LevelUnlockRequirements[b] at hl for unlocking level b are met.
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; return hl pointing to up to the $ff byte of this LevelUnlockRequirements entry.
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.CheckUnlockLevel:
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push de
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push bc
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ld a, [hl]
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cp $ff
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jr z, .reqs_met ; jump if no specific reqs to unlock this level
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inc hl
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cp UNLOCK_WHEN_LEVELS_CLEARED
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jr z, .check_levels_cleared_loop
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cp UNLOCK_WHEN_NUMBER_OF_LEVELS_CLEARED
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jr z, .check_number_of_levels_cleared
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cp UNLOCK_WHEN_TECHNIQUES_CLEARED
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jr .check_techniques_cleared
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.check_levels_cleared_loop
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ld a, [hli] ; which level
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ld e, a
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inc a ; cp $ff
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jr z, .reqs_met ; jump when no more required levels and all passed so far
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ld a, [hli] ; which stage
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push hl
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call GetClearedLevelsStageAddress
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ld b, CHECK_FLAG
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ld d, 0
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call FlagAction
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pop hl
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jr z, .reqs_not_met ; if this level is not cleared, requirements aren't met
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jr .check_levels_cleared_loop ; otherwise check next level in list
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.check_number_of_levels_cleared
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push hl
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ld hl, wClearedLevelsStage1
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ld b, ((NUM_LEVELS + 7) / 8) * 4
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call CountSetBits
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pop hl
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ld a, [hli]
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cp c
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jr c, .reqs_met
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jr z, .reqs_met
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jr .reqs_not_met
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.check_techniques_cleared
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ld bc, 0
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.check_techniques_cleared_loop
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ld a, [hli]
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ld e, a
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push hl
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ld hl, wUnlockedTechniques
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add hl, bc
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and [hl]
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cp e
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pop hl
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jr nz, .reqs_not_met
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inc c
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ld a, c
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cp (NUM_TECHNIQUES + 7) / 8
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jr nc, .reqs_met
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jr .check_techniques_cleared_loop
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.reqs_met
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; add level to wTempUnlockedLevels
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pop bc ; b = which level
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push hl
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ld a, [wNumTempUnlockedLevels]
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ld e, a
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ld d, 0
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ld hl, wTempUnlockedLevels
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add hl, de
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ld [hl], b
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inc hl
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ld [hl], $ff
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inc a
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ld [wNumTempUnlockedLevels], a
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pop hl
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pop de
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ret
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.reqs_not_met
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pop bc
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pop de
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ret
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SaveUnlockedLevels:
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ld hl, wTempUnlockedLevels
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.loop
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ld a, [hli]
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ld e, a
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inc a ; cp $ff
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ret z
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push hl
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ld b, SET_FLAG
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call UnlockedLevelsFlagAction
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pop hl
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jr .loop
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INCLUDE "data/levels/levels.asm"
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