Name
z8530_dma_status — 
     Handle a DMA status exception
 
Synopsis
| void z8530_dma_status ( | struct z8530_channel * chan ); | 
 
Arguments
- chan
- 
     Z8530 channel to process
      - 
     A status event occurred on the Z8530. We receive these for two reasons
     when in DMA mode. Firstly if we finished a packet transfer we get one
     and kick the next packet out. Secondly we may see a DCD change.