//////////////////////////////////////////////////////////////////////
//
// 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;
}

//////////////////////////////////////////////////////////////////////

// remove in a few versions -- joat
void vramRestorMainBanks(uint32 vramTemp)
{
  VRAM_CR = vramTemp;
}

//////////////////////////////////////////////////////////////////////

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;
}

//////////////////////////////////////////////////////////////////////