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collapseos
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Mirror of CollapseOS
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collapseos/blk/595

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  1. SPI relay driver

  2. 

  3. This driver is designed for a ad-hoc adapter card that acts as a

  4. SPI relay between the z80 bus and the SPI device. Sending any-

  5. thing on SPI_CSLOW and SPI_CSHIGH is expected to select/deselect

  6. the device, and writing to SPI_DATA is expected to initiate a

  7. byte exchange. The result of the exchange is excpected to be re-

  8. trieved by reading SPI_DATA.

  9. 

  10. Provides the SPI relay protocol.

  11. 

  12. Load driver with "596 LOAD".