snes9x/dma.h

41 lines
1019 B
C

/*****************************************************************************\
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
This file is licensed under the Snes9x License.
For further information, consult the LICENSE file in the root directory.
\*****************************************************************************/
#ifndef _DMA_H_
#define _DMA_H_
struct SDMA
{
bool8 ReverseTransfer;
bool8 HDMAIndirectAddressing;
bool8 UnusedBit43x0;
bool8 AAddressFixed;
bool8 AAddressDecrement;
uint8 TransferMode;
uint8 BAddress;
uint16 AAddress;
uint8 ABank;
uint16 DMACount_Or_HDMAIndirectAddress;
uint8 IndirectBank;
uint16 Address;
uint8 Repeat;
uint8 LineCount;
uint8 UnknownByte;
uint8 DoTransfer;
};
#define TransferBytes DMACount_Or_HDMAIndirectAddress
#define IndirectAddress DMACount_Or_HDMAIndirectAddress
extern struct SDMA DMA[8];
bool8 S9xDoDMA (uint8);
void S9xStartHDMA (void);
uint8 S9xDoHDMA (uint8);
void S9xResetDMA (void);
#endif