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Text File  |  1999-09-17  |  333b  |  14 lines
  1. #define VDMA_ALIGNMENT    PAGE_SIZE
  2. #define VDMA_XFERSIZE    16
  3. #define VDMA_INIT    0
  4. #define VDMA_START    1
  5. #define VDMA_END    2
  6.  
  7. #define video_set_dma(start,end,offset)                \
  8. do {                                \
  9.     memc_write (VDMA_START, (start >> 2));            \
  10.     memc_write (VDMA_END, (end - VDMA_XFERSIZE) >> 2);    \
  11.     memc_write (VDMA_INIT, (offset >> 2));            \
  12. } while (0)
  13.  
  14.