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//////////////////////////////////////////////////////////////////////
//
// video.cpp -- Vram control
//
// version 0.1, February 19, 2005
//
// Copyright (C) 2005 Michael Noland (joat) and Jason Rogers (dovoto)
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any
// damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any
// purpose, including commercial applications, and to alter it and
// redistribute it freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you
// must not claim that you wrote the original software. If you use
// this software in a product, an acknowledgment in the product
// documentation would be appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and
// must not be misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source
// distribution.
//
// Changelog:
// 0.1: First version
//
//////////////////////////////////////////////////////////////////////
#include <nds/jtypes.h>
#include <nds/arm9/video.h>
//////////////////////////////////////////////////////////////////////
uint32 vramSetMainBanks(VRAM_A_TYPE a, VRAM_B_TYPE b, VRAM_C_TYPE c, VRAM_D_TYPE d)
{
uint32 vramTemp = VRAM_CR;
VRAM_A_CR = VRAM_ENABLE | a;
VRAM_B_CR = VRAM_ENABLE | b;
VRAM_C_CR = VRAM_ENABLE | c;
VRAM_D_CR = VRAM_ENABLE | d;
return vramTemp;
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
void vramRestoreMainBanks(uint32 vramTemp); /* used in videoGL.c */
void vramRestoreMainBanks(uint32 vramTemp)
{
VRAM_CR = vramTemp;
}
//////////////////////////////////////////////////////////////////////
void vramSetBankA(VRAM_A_TYPE a)
{
VRAM_A_CR = VRAM_ENABLE | a;
}
//////////////////////////////////////////////////////////////////////
void vramSetBankB(VRAM_B_TYPE b)
{
VRAM_B_CR = VRAM_ENABLE | b;
}
//////////////////////////////////////////////////////////////////////
void vramSetBankC(VRAM_C_TYPE c)
{
VRAM_C_CR = VRAM_ENABLE | c;
}
//////////////////////////////////////////////////////////////////////
void vramSetBankD(VRAM_D_TYPE d)
{
VRAM_D_CR = VRAM_ENABLE | d;
}
//////////////////////////////////////////////////////////////////////
void vramSetBankE(VRAM_E_TYPE e)
{
VRAM_E_CR = VRAM_ENABLE | e;
}
//////////////////////////////////////////////////////////////////////
void vramSetBankF(VRAM_F_TYPE f)
{
VRAM_F_CR = VRAM_ENABLE | f;
}
//////////////////////////////////////////////////////////////////////
void vramSetBankG(VRAM_G_TYPE g)
{
VRAM_G_CR = VRAM_ENABLE | g;
}
//////////////////////////////////////////////////////////////////////
void vramSetBankH(VRAM_H_TYPE h)
{
VRAM_H_CR = VRAM_ENABLE | h;
}
//////////////////////////////////////////////////////////////////////
void vramSetBankI(VRAM_I_TYPE i)
{
VRAM_I_CR = VRAM_ENABLE | i;
}
//////////////////////////////////////////////////////////////////////
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