mirror of
https://github.com/pret/poketcg.git
synced 2026-03-21 17:54:26 -05:00
Rename "Bank 20" section to "Load Gfx"
This commit is contained in:
Electro
parent
bdb0a2aef6
commit
9c8a79d13f
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@ -1,3 +1,313 @@
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; loads the BG map corresponding to wCurTilemap to SRAM
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; bc = starting coordinates
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LoadTilemap_ToSRAM:
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ld a, TRUE
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ld [wWriteBGMapToSRAM], a
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jr LoadTilemap
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; loads the BG map corresponding to wCurTilemap to VRAM
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; bc = starting coordinates
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LoadTilemap_ToVRAM:
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xor a ; FALSE
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ld [wWriteBGMapToSRAM], a
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; fallthrough
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; loads the BG map corresponding to wCurTilemap
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; either loads them in VRAM or SRAM,
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; depending on wWriteBGMapToSRAM
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; bc = starting coordinates
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LoadTilemap:
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push hl
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push bc
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push de
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call BCCoordToBGMap0Address
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ld hl, wVRAMPointer
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ld [hl], e
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inc hl
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ld [hl], d
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; get pointer and bank for BG Map
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call Func_803b9
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ld a, [wTempPointerBank]
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ld [wBGMapBank], a
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; store header data
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ld de, wDecompressionBuffer
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ld bc, $6 ; header + 1st instruction
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call CopyBankedDataToDE
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ld l, e
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ld h, d
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ld a, [hli]
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ld [wBGMapWidth], a
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ld a, [hli]
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ld [wBGMapHeight], a
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ld a, [hli]
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ld [wBGMapPermissionDataPtr], a
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ld a, [hli]
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ld [wBGMapPermissionDataPtr + 1], a
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ld a, [hli]
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ld [wBGMapCGBMode], a
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call .InitAndDecompressBGMap
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pop de
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pop bc
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pop hl
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ret
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; prepares the pointers for decompressing BG Map
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; and calls InitDataDecompression
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; then decompresses the data
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.InitAndDecompressBGMap
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push hl
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push bc
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push de
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ld a, [wTempPointer]
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add $5 ; header
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ld e, a
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ld a, [wTempPointer + 1]
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adc 0
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ld d, a
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ld b, HIGH(wDecompressionSecondaryBuffer)
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call InitDataDecompression
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ld a, [wVRAMPointer]
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ld e, a
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ld a, [wVRAMPointer + 1]
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ld d, a
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call .Decompress
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pop de
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pop bc
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pop hl
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ret
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; wTempBank:wTempPointer = source of compressed data
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; wVRAMPointer = destination of decompressed data
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.Decompress
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; if wBGMapCGBMode is true, then use double wBGMapWidth
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; since one "width" length goes to VRAM0
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; and the other "width" length goes to VRAM1
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push hl
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ld hl, wDecompressionRowWidth
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ld a, [wBGMapWidth]
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ld [hl], a
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ld a, [wBGMapCGBMode]
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or a
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jr z, .skip_doubling_width
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sla [hl]
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.skip_doubling_width
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; clear wDecompressionBuffer
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ld c, $40
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ld hl, wDecompressionBuffer
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xor a
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.loop_clear
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ld [hli], a
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dec c
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jr nz, .loop_clear
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; loop each row, up to the number of tiles in height
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ld a, [wBGMapHeight]
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ld c, a
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.loop
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push bc
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push de
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ld b, $00
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ld a, [wDecompressionRowWidth]
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ld c, a
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ld de, wDecompressionBuffer
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call DecompressDataFromBank
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; copy to VRAM0
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ld a, [wBGMapWidth]
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ld b, a
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pop de
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push de
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ld hl, wDecompressionBuffer
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call CopyBGDataToVRAMOrSRAM
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ld a, [wConsole]
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cp CONSOLE_CGB
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jr nz, .next_row
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; cgb only
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; copy the second "half" to VRAM1
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call BankswitchVRAM1
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ld a, [wBGMapWidth]
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ld c, a
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ld b, $0
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ld hl, wDecompressionBuffer
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add hl, bc
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pop de
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push de
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ld a, [wBGMapWidth]
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ld b, a
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call Func_80148 ; adds some wd291 offset to tiles
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call CopyBGDataToVRAMOrSRAM
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call BankswitchVRAM0
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.next_row
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pop de
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ld hl, TILEMAP_WIDTH
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add hl, de
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ld e, l
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ld d, h
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pop bc
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dec c
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jr nz, .loop
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pop hl
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ret
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Func_80148:
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ld a, [wd291]
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or a
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ret z
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ld a, [wBGMapCGBMode]
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or a
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jr z, .asm_80162
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; add wd291 to b bytes in hl
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push hl
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push bc
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.loop_1
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push bc
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ld a, [wd291]
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add [hl]
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ld [hli], a
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pop bc
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dec b
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jr nz, .loop_1
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pop bc
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pop hl
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ret
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; store wd291 to b bytes in hl
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.asm_80162
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push hl
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push bc
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ld a, [wd291]
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.loop_2
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ld [hli], a
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dec b
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jr nz, .loop_2
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pop bc
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pop hl
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ret
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; copies BG Map data pointed by hl
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; to either VRAM or SRAM, depending on wWriteBGMapToSRAM
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; de is the target address in VRAM,
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; if SRAM is the target address to copy,
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; copies data to sGfxBuffer0 or sGfxBuffer1
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; for VRAM0 or VRAM1 respectively
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CopyBGDataToVRAMOrSRAM:
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ld a, [wWriteBGMapToSRAM]
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or a
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jp z, SafeCopyDataHLtoDE
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; copies b bytes from hl to SRAM1
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push hl
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push bc
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push de
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ldh a, [hBankSRAM]
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push af
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ld a, BANK("SRAM1")
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call BankswitchSRAM
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push hl
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ld hl, sGfxBuffer0 - v0BGMap0
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ldh a, [hBankVRAM]
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or a
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jr z, .got_pointer
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ld hl, sGfxBuffer1 - v1BGMap0
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.got_pointer
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add hl, de
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ld e, l
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ld d, h
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pop hl
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.loop
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ld a, [hli]
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ld [de], a
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inc de
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dec b
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jr nz, .loop
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pop af
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call BankswitchSRAM
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call DisableSRAM
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pop de
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pop bc
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pop hl
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ret
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; safely copies $20 bytes at a time
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; sGfxBuffer0 -> v0BGMap0
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; sGfxBuffer1 -> v0BGMap1 (if in CGB)
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SafelyCopyBGMapFromSRAMToVRAM:
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push hl
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push bc
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push de
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ldh a, [hBankSRAM]
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push af
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ld a, BANK("SRAM1")
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call BankswitchSRAM
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ld hl, sGfxBuffer0
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ld de, v0BGMap0
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ld c, $20
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.loop
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push bc
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push hl
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push de
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ld b, $20
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call SafeCopyDataHLtoDE
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ld a, [wConsole]
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cp CONSOLE_CGB
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jr nz, .skip_vram1
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pop de
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pop hl
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push hl
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push de
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ld bc, sGfxBuffer1 - sGfxBuffer0 ; $400
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add hl, bc
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call BankswitchVRAM1
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ld b, $20
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call SafeCopyDataHLtoDE
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call BankswitchVRAM0
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.skip_vram1
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pop hl
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ld de, $20
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add hl, de
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ld e, l
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ld d, h
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pop hl
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ld bc, $20
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add hl, bc
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pop bc
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dec c
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jr nz, .loop
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pop af
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call BankswitchSRAM
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call DisableSRAM
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pop de
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pop bc
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pop hl
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ret
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; clears sGfxBuffer0 and sGfxBuffer1
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ClearSRAMBGMaps:
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push hl
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push bc
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ldh a, [hBankSRAM]
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push af
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ld a, BANK(sGfxBuffer0) ; SRAM 1
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call BankswitchSRAM
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ld hl, sGfxBuffer0
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ld bc, $800 ; sGfxBuffer0 + sGfxBuffer1
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xor a
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call FillMemoryWithA
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pop af
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call BankswitchSRAM
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call DisableSRAM
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pop bc
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pop hl
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ret
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; l - GFXTABLE_* constant (banks 0,1,2,3,4)
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; a - map index (inside of the given bank)
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GetMapDataPointer:
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@ -1,309 +0,0 @@
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; loads the BG map corresponding to wCurTilemap to SRAM
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; bc = starting coordinates
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LoadTilemap_ToSRAM:
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ld a, TRUE
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ld [wWriteBGMapToSRAM], a
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jr LoadTilemap
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; loads the BG map corresponding to wCurTilemap to VRAM
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; bc = starting coordinates
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LoadTilemap_ToVRAM:
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xor a ; FALSE
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ld [wWriteBGMapToSRAM], a
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; fallthrough
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; loads the BG map corresponding to wCurTilemap
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; either loads them in VRAM or SRAM,
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; depending on wWriteBGMapToSRAM
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; bc = starting coordinates
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LoadTilemap:
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push hl
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push bc
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push de
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call BCCoordToBGMap0Address
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ld hl, wVRAMPointer
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ld [hl], e
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inc hl
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ld [hl], d
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; get pointer and bank for BG Map
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call Func_803b9
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ld a, [wTempPointerBank]
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ld [wBGMapBank], a
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; store header data
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ld de, wDecompressionBuffer
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ld bc, $6 ; header + 1st instruction
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call CopyBankedDataToDE
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ld l, e
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ld h, d
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ld a, [hli]
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ld [wBGMapWidth], a
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ld a, [hli]
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ld [wBGMapHeight], a
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ld a, [hli]
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ld [wBGMapPermissionDataPtr], a
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ld a, [hli]
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ld [wBGMapPermissionDataPtr + 1], a
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ld a, [hli]
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ld [wBGMapCGBMode], a
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call .InitAndDecompressBGMap
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pop de
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pop bc
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pop hl
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ret
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; prepares the pointers for decompressing BG Map
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; and calls InitDataDecompression
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; then decompresses the data
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.InitAndDecompressBGMap
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push hl
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push bc
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push de
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ld a, [wTempPointer]
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add $5 ; header
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ld e, a
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ld a, [wTempPointer + 1]
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adc 0
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ld d, a
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ld b, HIGH(wDecompressionSecondaryBuffer)
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call InitDataDecompression
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ld a, [wVRAMPointer]
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ld e, a
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ld a, [wVRAMPointer + 1]
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ld d, a
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call .Decompress
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pop de
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pop bc
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pop hl
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ret
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; wTempBank:wTempPointer = source of compressed data
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; wVRAMPointer = destination of decompressed data
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.Decompress
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; if wBGMapCGBMode is true, then use double wBGMapWidth
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; since one "width" length goes to VRAM0
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; and the other "width" length goes to VRAM1
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push hl
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ld hl, wDecompressionRowWidth
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ld a, [wBGMapWidth]
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ld [hl], a
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ld a, [wBGMapCGBMode]
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or a
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jr z, .skip_doubling_width
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sla [hl]
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.skip_doubling_width
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; clear wDecompressionBuffer
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ld c, $40
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ld hl, wDecompressionBuffer
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xor a
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.loop_clear
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ld [hli], a
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dec c
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jr nz, .loop_clear
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; loop each row, up to the number of tiles in height
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ld a, [wBGMapHeight]
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ld c, a
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.loop
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push bc
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push de
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ld b, $00
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ld a, [wDecompressionRowWidth]
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ld c, a
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ld de, wDecompressionBuffer
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call DecompressDataFromBank
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; copy to VRAM0
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ld a, [wBGMapWidth]
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ld b, a
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pop de
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push de
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ld hl, wDecompressionBuffer
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call CopyBGDataToVRAMOrSRAM
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ld a, [wConsole]
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cp CONSOLE_CGB
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jr nz, .next_row
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; cgb only
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; copy the second "half" to VRAM1
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call BankswitchVRAM1
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ld a, [wBGMapWidth]
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ld c, a
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ld b, $0
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ld hl, wDecompressionBuffer
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add hl, bc
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pop de
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push de
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ld a, [wBGMapWidth]
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ld b, a
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call Func_80148 ; adds some wd291 offset to tiles
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call CopyBGDataToVRAMOrSRAM
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call BankswitchVRAM0
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.next_row
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pop de
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ld hl, TILEMAP_WIDTH
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add hl, de
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ld e, l
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ld d, h
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pop bc
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dec c
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jr nz, .loop
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pop hl
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ret
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Func_80148:
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ld a, [wd291]
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or a
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ret z
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ld a, [wBGMapCGBMode]
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or a
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jr z, .asm_80162
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; add wd291 to b bytes in hl
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push hl
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push bc
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.loop_1
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push bc
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ld a, [wd291]
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add [hl]
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ld [hli], a
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pop bc
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dec b
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jr nz, .loop_1
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pop bc
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pop hl
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ret
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; store wd291 to b bytes in hl
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.asm_80162
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push hl
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push bc
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ld a, [wd291]
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.loop_2
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ld [hli], a
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dec b
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jr nz, .loop_2
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pop bc
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pop hl
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ret
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; copies BG Map data pointed by hl
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; to either VRAM or SRAM, depending on wWriteBGMapToSRAM
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; de is the target address in VRAM,
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; if SRAM is the target address to copy,
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; copies data to sGfxBuffer0 or sGfxBuffer1
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; for VRAM0 or VRAM1 respectively
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CopyBGDataToVRAMOrSRAM:
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ld a, [wWriteBGMapToSRAM]
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or a
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jp z, SafeCopyDataHLtoDE
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; copies b bytes from hl to SRAM1
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push hl
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push bc
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push de
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ldh a, [hBankSRAM]
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push af
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ld a, BANK("SRAM1")
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call BankswitchSRAM
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push hl
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ld hl, sGfxBuffer0 - v0BGMap0
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ldh a, [hBankVRAM]
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or a
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jr z, .got_pointer
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ld hl, sGfxBuffer1 - v1BGMap0
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.got_pointer
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add hl, de
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ld e, l
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ld d, h
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pop hl
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.loop
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ld a, [hli]
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ld [de], a
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inc de
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dec b
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jr nz, .loop
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pop af
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call BankswitchSRAM
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call DisableSRAM
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pop de
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pop bc
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pop hl
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ret
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; safely copies $20 bytes at a time
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; sGfxBuffer0 -> v0BGMap0
|
||||
; sGfxBuffer1 -> v0BGMap1 (if in CGB)
|
||||
SafelyCopyBGMapFromSRAMToVRAM:
|
||||
push hl
|
||||
push bc
|
||||
push de
|
||||
ldh a, [hBankSRAM]
|
||||
push af
|
||||
ld a, BANK("SRAM1")
|
||||
call BankswitchSRAM
|
||||
ld hl, sGfxBuffer0
|
||||
ld de, v0BGMap0
|
||||
ld c, $20
|
||||
.loop
|
||||
push bc
|
||||
push hl
|
||||
push de
|
||||
ld b, $20
|
||||
call SafeCopyDataHLtoDE
|
||||
ld a, [wConsole]
|
||||
cp CONSOLE_CGB
|
||||
jr nz, .skip_vram1
|
||||
pop de
|
||||
pop hl
|
||||
push hl
|
||||
push de
|
||||
ld bc, sGfxBuffer1 - sGfxBuffer0 ; $400
|
||||
add hl, bc
|
||||
call BankswitchVRAM1
|
||||
ld b, $20
|
||||
call SafeCopyDataHLtoDE
|
||||
call BankswitchVRAM0
|
||||
.skip_vram1
|
||||
|
||||
pop hl
|
||||
ld de, $20
|
||||
add hl, de
|
||||
ld e, l
|
||||
ld d, h
|
||||
pop hl
|
||||
ld bc, $20
|
||||
add hl, bc
|
||||
pop bc
|
||||
dec c
|
||||
jr nz, .loop
|
||||
pop af
|
||||
call BankswitchSRAM
|
||||
call DisableSRAM
|
||||
pop de
|
||||
pop bc
|
||||
pop hl
|
||||
ret
|
||||
|
||||
; clears sGfxBuffer0 and sGfxBuffer1
|
||||
ClearSRAMBGMaps:
|
||||
push hl
|
||||
push bc
|
||||
ldh a, [hBankSRAM]
|
||||
push af
|
||||
ld a, BANK(sGfxBuffer0) ; SRAM 1
|
||||
call BankswitchSRAM
|
||||
ld hl, sGfxBuffer0
|
||||
ld bc, $800 ; sGfxBuffer0 + sGfxBuffer1
|
||||
xor a
|
||||
call FillMemoryWithA
|
||||
pop af
|
||||
call BankswitchSRAM
|
||||
call DisableSRAM
|
||||
pop bc
|
||||
pop hl
|
||||
ret
|
||||
|
|
@ -114,7 +114,7 @@ ROMX $1d
|
|||
ROMX $1e
|
||||
"Gfx 2"
|
||||
ROMX $20
|
||||
"Bank 20"
|
||||
"Load Gfx"
|
||||
"Gfx"
|
||||
ROMX $21
|
||||
"Gfx 3"
|
||||
|
|
|
|||
|
|
@ -171,9 +171,8 @@ INCLUDE "data/cards.asm"
|
|||
SECTION "SGB", ROMX
|
||||
INCLUDE "engine/sgb.asm"
|
||||
|
||||
SECTION "Bank 20", ROMX
|
||||
SECTION "Load Gfx", ROMX
|
||||
INCLUDE "engine/overworld/load_overworld.asm"
|
||||
INCLUDE "engine/gfx/load_tilemap.asm"
|
||||
INCLUDE "engine/gfx/load_gfx.asm"
|
||||
INCLUDE "engine/overworld/animation.asm"
|
||||
INCLUDE "engine/overworld/map_events.asm"
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user