beetle-lynx-libretro/mednafen/ngp/dma.h
2012-11-24 07:44:49 +01:00

58 lines
1.9 KiB
C

//---------------------------------------------------------------------------
// NEOPOP : Emulator as in Dreamland
//
// Copyright (c) 2001-2002 by neopop_uk
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
// This program 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 2 of the License, or
// (at your option) any later version. See also the license.txt file for
// additional informations.
//---------------------------------------------------------------------------
/*
//---------------------------------------------------------------------------
//=========================================================================
dma.h
//=========================================================================
//---------------------------------------------------------------------------
History of changes:
===================
20 JUL 2002 - neopop_uk
=======================================
- Cleaned and tidied up for the source release
25 JUL 2002 - neopop_uk
=======================================
- Added function prototype for DMA_update
//---------------------------------------------------------------------------
*/
#ifndef __DMA__
#define __DMA__
//=============================================================================
void reset_dma(void);
void DMA_update(int channel);
uint8 dmaLoadB(uint8 cr);
uint16 dmaLoadW(uint8 cr);
uint32 dmaLoadL(uint8 cr);
void dmaStoreB(uint8 cr, uint8 data);
void dmaStoreW(uint8 cr, uint16 data);
void dmaStoreL(uint8 cr, uint32 data);
int MDFNNGPCDMA_StateAction(StateMem *sm, int load, int data_only);
//=============================================================================
#endif