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https://github.com/pret/poketcg.git
synced 2026-10-04 23:27:42 -04:00
finish labeling/documenting text box related functions
This commit is contained in:
xCrystal
+50
-32
@@ -2238,20 +2238,20 @@ AdjustCoordinatesForWindow: ; 1deb (0:1deb)
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DrawLabeledTextBox: ; 1e00 (0:1e00)
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ld a, [wConsole]
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cp CONSOLE_SGB
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jr nz, .drawLabeledTextBox
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jr nz, .drawTopBorder
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ld a, [wFrameType]
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or a
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jr z, .drawLabeledTextBox
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; Console is SGB and frame type is != 0
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; wFrameType is handled differently in SGB and CGB
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jr z, .drawTopBorder
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; Console is SGB and frame type is != 0.
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; The text box will be colorized so a SGB command needs to be transferred
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push de
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push bc
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call .drawLabeledTextBox
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call .drawTopBorder ; this falls through to drawing the whole box
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pop bc
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pop de
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jp asm_1f1b
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jp ColorizeTextBoxSGB
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.drawLabeledTextBox
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.drawTopBorder
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push de
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push bc
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push hl
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@@ -2282,17 +2282,17 @@ DrawLabeledTextBox: ; 1e00 (0:1e00)
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ld a, d
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sub b
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sub $4
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jr z, .printTopRightTile
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jr z, .drawTopBorderRightTile
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ld b, a
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.printTopBorderLoop
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.drawTopBorderLineLoop
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ld a, $5
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ld [hli], a
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ld a, $1c
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ld [hli], a
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dec b
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jr nz, .printTopBorderLoop
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jr nz, .drawTopBorderLineLoop
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.printTopRightTile
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.drawTopBorderRightTile
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ld a, $5
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ld [hli], a
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ld a, $19
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@@ -2313,14 +2313,16 @@ DrawLabeledTextBox: ; 1e00 (0:1e00)
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; DMG or SGB
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inc e
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call CalculateBGMap0Address
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; top border done, draw the rest of the text box
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jr ContinueDrawingTextBoxDMGorSGB
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.cgb
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call CalculateBGMap0Address
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push de
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call asm_1f00
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call CopyCurrentLineAttrCGB ; BG Map attributes for current line, which is the top border
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pop de
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inc e
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; top border done, draw the rest of the text box
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jp ContinueDrawingTextBoxCGB
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; Draws a bxc text box at de to print menu data in the overworld.
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@@ -2335,22 +2337,31 @@ DrawRegularTextBox: ; 1e7c (0:1e7c)
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; fallthrough
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DrawRegularTextBoxDMG: ; 1e88 (0:1e88)
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call CalculateBGMap0Address
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; top line (border) of the text box
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ld a, $1c
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ld de, $1819
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call Func_1ea5
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call CopyLine
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ContinueDrawingTextBoxDMGorSGB
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dec c
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dec c
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.asm_1e95
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.drawTextBoxBodyLoop
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ld a, $0
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ld de, $1e1f
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call Func_1ea5
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call CopyLine
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dec c
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jr nz, .asm_1e95
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jr nz, .drawTextBoxBodyLoop
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; bottom line (border) of the text box
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ld a, $1d
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ld de, $1a1b
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Func_1ea5: ; 1ea5 (0:1ea5)
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add sp, $e0
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; fallthrough
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; copies b bytes of data to sp+$1c and to hl, and returns hl += SCREEN_WIDTH
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; d = value of byte 0
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; e = value of byte b
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; a = value of bytes [1, b-1]
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; b is supposed to be SCREEN_WIDTH or smaller, else the stack would get corrupted
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CopyLine: ; 1ea5 (0:1ea5)
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add sp, -$20
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push hl
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push bc
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ld hl, [sp+$4]
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@@ -2359,10 +2370,10 @@ Func_1ea5: ; 1ea5 (0:1ea5)
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push hl
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ld [hl], d
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inc hl
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.asm_1eb0
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.loop
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ld [hli], a
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dec b
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jr nz, .asm_1eb0
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jr nz, .loop
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ld [hl], e
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pop de
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pop bc
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@@ -2374,6 +2385,7 @@ Func_1ea5: ; 1ea5 (0:1ea5)
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call Memcpy
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pop bc
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pop de
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; advance pointer SCREEN_WIDTH positions and restore stack pointer
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ld hl, $0020
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add hl, de
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add sp, $20
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@@ -2381,42 +2393,48 @@ Func_1ea5: ; 1ea5 (0:1ea5)
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DrawRegularTextBoxCGB:
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call CalculateBGMap0Address
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; top line (border) of the text box
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ld a, $1c
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ld de, $1819
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call Func_1efb
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call CopyCurrentLineTilesAndAttrCGB
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ContinueDrawingTextBoxCGB
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dec c
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dec c
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.asm_1ed6
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.drawTextBoxBodyLoop
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ld a, $0
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ld de, $1e1f
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push hl
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call Func_1ea5
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call CopyLine
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pop hl
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call BankswitchVRAM_1
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ld a, [wFrameType]
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ld e, a
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ld d, a
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xor a
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call Func_1ea5
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call CopyLine
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call BankswitchVRAM_0
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dec c
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jr nz, .asm_1ed6
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jr nz, .drawTextBoxBodyLoop
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; bottom line (border) of the text box
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ld a, $1d
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ld de, $1a1b
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call Func_1efb
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call CopyCurrentLineTilesAndAttrCGB
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ret
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Func_1efb: ; 1efb (0:1efb)
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; d = id of top left tile
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; e = id of top right tile
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; a = id of rest of tiles
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; Assumes b = SCREEN_WIDTH and that VRAM bank 0 is loaded
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CopyCurrentLineTilesAndAttrCGB: ; 1efb (0:1efb)
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push hl
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call Func_1ea5
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call CopyLine
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pop hl
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asm_1f00
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CopyCurrentLineAttrCGB
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call BankswitchVRAM_1
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ld a, [wFrameType]
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ld a, [wFrameType] ; on CGB, wFrameType determines the palette and the other attributes
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ld e, a
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ld d, a
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call Func_1ea5
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call CopyLine
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call BankswitchVRAM_0
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ret
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@@ -2429,7 +2447,7 @@ DrawRegularTextBoxSGB: ; 1f0f (0:1f0f)
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ld a, [wFrameType]
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or a
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ret z
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asm_1f1b
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ColorizeTextBoxSGB
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push bc
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push de
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ld hl, $cae0
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