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skeleton for 2D GPU

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StapleButter
2017-01-18 04:03:19 +01:00
parent bff3a92cc0
commit d30e6956fa
8 changed files with 1065 additions and 828 deletions
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GPU.h Normal file
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/*
Copyright 2016-2017 StapleButter
This file is part of melonDS.
melonDS is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with melonDS. If not, see http://www.gnu.org/licenses/.
*/
#ifndef GPU_H
#define GPU_H
#include "GPU2D.h"
namespace GPU
{
extern u16 VCount;
extern u16 DispStat[2];
extern u8 VRAMCNT[9];
extern u8 VRAMSTAT;
extern u8 Palette[2*1024];
extern u8 OAM[2*1024];
extern u8* VRAM_ABG[128];
extern u8* VRAM_AOBJ[128];
extern u8* VRAM_BBG[128];
extern u8* VRAM_BOBJ[128];
extern u8* VRAM_LCD[128];
extern u8* VRAM_ARM7[2];
extern u16 Framebuffer[256*192*2];
extern GPU2D* GPU2D_A;
extern GPU2D* GPU2D_B;
void Init();
void Reset();
void MapVRAM_AB(u32 bank, u8 cnt);
void MapVRAM_CD(u32 bank, u8 cnt);
void MapVRAM_E(u32 bank, u8 cnt);
void MapVRAM_FG(u32 bank, u8 cnt);
void MapVRAM_H(u32 bank, u8 cnt);
void MapVRAM_I(u32 bank, u8 cnt);
void StartFrame();
void StartScanline(u32 line);
void SetDispStat(u32 cpu, u16 val);
}
#endif