/*****************************************************
Copyright Don Bradley, 1991.
Permission is granted for used of these routines
in any manner as long as this copyright notice is
included.
Tested using Quick C 2.5 and MSC 6.0 on a
Toshiba T5200.
*****************************************************/
#define TRUE 1
#define FALSE 0
/* mask defines */
#define DMA_ENABLE 0x00
#define DMA_DISABLE 0x04
#define DMA_DEMAND_MODE 0x00
#define DMA_SINGLE_MODE 0x40
#define DMA_ADDRESS_INC 0x00
#define DMA_ADDRESS_DEC 0x20
#define DMA_CONTINUOUS_ENABLE 0x10
#define DMA_CONTINUOUS_DISABLE 0x00
#define DMA_ADC_TRANSFER 0x04
#define DMA_DAC_TRANSFER 0x08
int dma(int dma_channel, int mode, int far *buffer,
unsigned int buffer_len);
void disable_dma(int chan);
void enable_dma(int chan);
int far *alloc_dma_buffer(int dma_chn,
unsigned int size);
void free_dma_buffer(int dma_chn);
/* End of File */