180 lines
4.9 KiB
PHP
180 lines
4.9 KiB
PHP
; screen variables
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DEF vPreviousCardIndex EQU VARIABLES_START
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def vBlocked equ vPreviousCardIndex + 1
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ScreenCardRead:
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dw CardReadSetup
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dw CardReadUpdate
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dw CardReadDraw
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dw CardReadTeardown
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CardReadSetup:
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ld a, 1
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ldh [vBlocked], a
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ld [vAsyncAfter+1], a
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ld hl, UITilemap ; origin
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ld de, $9800 ; destination
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ld b, 18 ; height
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ld c, 20 ; width
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ld a, LOW(CopyTilesToMapThreadsafe)
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ld [vAsyncNext], a
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ld a, HIGH(CopyTilesToMapThreadsafe)
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ld [vAsyncNext+1], a
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ld a, LOW(LoadCardDataAsync)
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ld [vAsyncAfter], a
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ld a, HIGH(LoadCardDataAsync)
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ld [vAsyncAfter+1], a
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call DoInAsyncVBlank
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ret
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CardReadUpdate:
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ld hl, vTime
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ldh a, [rDELTAT]
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ld b, a
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ldh a, [vTime]
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add a, b
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ldh [vTime], a
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ldh a, [vTime+1]
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adc a, 0
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ldh [vTime+1], a ; increment time. when the 16bit time register is greater
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; than 4096 ($10_00) then one second has passed. so that's satisfied when
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; vTime+1 is equal to or greater than $10
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ldh a, [vTime+1]
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cp a, $01
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jp c, .doneTimer ; if the timer is less than $0100, skip to end
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;otherwise reset the timer
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ld a, 0
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ldh [vTime], a
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ldh [vTime+1], a
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ld hl, SquaresTiles
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ldh a, [vFrameCountSquares]
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inc a
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call ArrayClampLooping
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ldh [vFrameCountSquares], a
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.doneTimer
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ld hl, rMYBTNP
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bit 4, [hl]
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jp z, .doneWithB
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ld hl, ScreenSpreadSelect
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call ChangeScene
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ret
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.doneWithB
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ldh a, [vSelectedSpreadCard]
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ld hl, rMYBTNP
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bit 1, [hl]
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jp z, :+ ; skip the following code if left is not pressed
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dec a
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:
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bit 0, [hl]
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jp z, :+ ; skip the following code if right is not pressed
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inc a
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:
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ldh [vSelectedSpreadCard], a
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ldh a, [vCurrentSpread]
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ld l, a
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ldh a, [vCurrentSpread+1]
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ld h, a
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ldh a, [vSelectedSpreadCard]
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call ArrayClampLooping
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ldh [vSelectedSpreadCard], a
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ldh [vSelectedCardIndex], a
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ldh a, [vSelectedCardIndex]
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ld hl, vPreviousCardIndex
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cp a, [hl]
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ret z ; if the selected card diddn't change, nothing to do
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ldh a, [vBlocked]
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cp a, 0
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ret nz
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ld a, LOW(LoadCardDataAsync)
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ld [vAsyncAfter], a
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ld a, HIGH(LoadCardDataAsync)
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ld [vAsyncAfter+1], a
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call DoInAsyncVBlank
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ret
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CardReadDraw:
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ld hl, SquaresTiles
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inc hl
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ld b, 0
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ldh a, [vFrameCountSquares]
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ld c, a
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add hl, bc
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add hl, bc
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ld c, [hl]
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inc hl
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ld b, [hl]
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ld h, b
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ld l, c
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ld de, $8000+$100*16 + 1*16
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ld bc, (SquaresTileset8 - SquaresTileset7) / 8
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call CopyRangeUnsafeBy8s
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; then draw the spread minimap
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ldh a, [vCurrentSpread]
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ld c, a
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ldh a, [vCurrentSpread+1]
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ld b, a
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ld hl, $9800 + (32*1)+11
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ldh a, [vSelectedSpreadCard]
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call DrawSpreadMinimap
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ldh a, [vCurrentSpread]
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ld l, a
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ldh a, [vCurrentSpread+1]
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ld h, a
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call PassList ; skip spread layout
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ldh a, [vSelectedSpreadCard]
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or a, a
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.loopThroughSpreadPositions
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jp z, .foundSpreadPositionDescription
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call PassList
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call PassList
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dec a
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jp .loopThroughSpreadPositions
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.foundSpreadPositionDescription
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ld de, $9800 + 32*5 + 11
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call PrintString
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ld de, $9800 + 32*6 + 11
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call PrintString
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; the card data is loaded asynchronously, initiated in CardReadUpdate
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ret
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CardReadTeardown:
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ret
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UITilemap:
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db $0e, $0a, $0a, $0a, $0a, $0a, $0a, $0a, $0a, $0f, $09, $02, $02, $02, $02, $02, $02, $02, $08, $01
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $03, $00, $00, $00, $00, $00, $00, $00, $04, $01
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $03, $00, $00, $00, $00, $00, $00, $00, $04, $01
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $03, $00, $00, $00, $00, $00, $00, $00, $04, $01
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $03, $00, $00, $00, $00, $00, $00, $00, $04, $01
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $03, $00, $00, $00, $00, $00, $00, $00, $04, $01
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $03, $00, $00, $00, $00, $00, $00, $00, $04, $01
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $06, $05, $05, $05, $05, $05, $05, $05, $07, $01
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $02, $02, $02, $02, $02, $02, $02, $02, $02, $02
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
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db $0b, $00, $00, $00, $00, $00, $00, $00, $00, $0c, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
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db $11, $0d, $0d, $0d, $0d, $0d, $0d, $0d, $0d, $10, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
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UITilemapEnd:
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