diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/engine/home.asm | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/src/engine/home.asm b/src/engine/home.asm index 78e32ae..35e4bd5 100644 --- a/src/engine/home.asm +++ b/src/engine/home.asm @@ -1064,6 +1064,8 @@ JumpToHblankCopyDataHLtoDE: ; 0709 (0:0709) jp HblankCopyDataHLtoDE ; 0x70c +; copy c bytes of data from hl to de, b times. +; used to copy gfx data. CopyGfxData: ; 070c (0:070c) ld a, [wLCDC] rla @@ -1147,7 +1149,7 @@ BankpushHome: ; 0745 (0:0745) and $3 ld b, a res 7, d - set 6, d + set 6, d ; $4000 ≤ de ≤ $7fff ld l, e ld h, d pop de @@ -4299,7 +4301,7 @@ Func_20b0: ; 20b0 (0:20b0) .asm_20bd ld de, vTiles1 + $500 ld b, $30 - jr asm_2121 + jr CopyFontsOrDuelGraphicsTiles Func_20c4: ; 20c4 (0:20c4) ld hl, $3028 @@ -4310,7 +4312,7 @@ Func_20c4: ; 20c4 (0:20c4) .asm_20d1 ld de, vTiles1 + $540 ld b, $c - jr asm_2121 + jr CopyFontsOrDuelGraphicsTiles Func_20d8: ; 20d8 (0:20d8) ld b, $10 @@ -4326,13 +4328,13 @@ asm_20de ld hl, $3af8 .asm_20eb ld de, vTiles1 + $500 - jr asm_2121 + jr CopyFontsOrDuelGraphicsTiles Func_20f0: ; 20f0 (0:20f0) ld hl, $4008 ld de, vTiles1 + $200 ld b, $d - call asm_2121 + call CopyFontsOrDuelGraphicsTiles ld hl, $3528 ld a, [wConsole] cp CONSOLE_CGB @@ -4341,20 +4343,23 @@ Func_20f0: ; 20f0 (0:20f0) .asm_2108 ld de, vTiles1 + $500 ld b, $30 - jr asm_2121 + jr CopyFontsOrDuelGraphicsTiles Func_210f: ; 210f (0:210f) ld hl, $40d8 ld de, vTiles2 + $300 ld b, $8 - jr asm_2121 + jr CopyFontsOrDuelGraphicsTiles Func_2119: ; 2119 (0:2119) ld hl, DuelGraphics - $4000 ld de, vTiles2 ; destination ld b, $38 ; number of tiles -asm_2121 - ld a, BANK(DuelGraphics) +; fallthrough + +; copy b tiles from BANK(Fonts):hl to de +CopyFontsOrDuelGraphicsTiles: + ld a, BANK(Fonts); BANK(DuelGraphics); BANK(VWF) call BankpushHome ld c, TILE_SIZE call CopyGfxData @@ -4374,7 +4379,7 @@ Func_2167: ; 2167 (0:2167) add hl, de ld de, $8a00 ld b, $28 - call asm_2121 + call CopyFontsOrDuelGraphicsTiles ld a, $a0 ld hl, $010a ld bc, $0a04 @@ -6141,10 +6146,13 @@ GetCardPointer: ; 2f7c (0:2f7c) pop de ret +; input: hl = card_gfx_index +; card_gfx_index = (<Name>CardGfx - CardGraphics) / 8 ; using absolute ROM addresses LoadCardGfx: ; 2fa0 (0:2fa0) ldh a, [hBankROM] push af push hl + ; first, get the bank with the card gfx is at srl h srl h srl h @@ -6152,11 +6160,12 @@ LoadCardGfx: ; 2fa0 (0:2fa0) add h call BankswitchHome pop hl + ; once we have the bank, get the pointer: multiply by 8 and discard the bank offset add hl, hl add hl, hl add hl, hl res 7, h - set 6, h + set 6, h ; $4000 ≤ de ≤ $7fff call CopyGfxData ld b, CGB_PAL_SIZE ld de, $ce23 @@ -6170,8 +6179,9 @@ LoadCardGfx: ; 2fa0 (0:2fa0) call BankswitchHome ret -Func_2fcb: ; 2fcb (0:2fcb) - ld a, $1d +; identical to CopyFontsOrDuelGraphicsTiles +CopyFontsOrDuelGraphicsTiles2: ; 2fcb (0:2fcb) + ld a, BANK(Fonts); BANK(DuelGraphics); BANK(VWF) call BankpushHome ld c, TILE_SIZE call CopyGfxData |