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collapseos
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Mirror of CollapseOS
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collapseos/blk/420

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  1. SD Card subsystem

  2. 

  3. Load range: B423-B436

  4. 

  5. This subsystem is designed for a ad-hoc adapter card that acts

  6. as a SPI relay between the z80 bus and the SD card. It requires

  7. a driver providing the SPI Relay protocol.

  8. 

  9. Through that layer, this driver implements the SDC protocol

  10. allowing it to provide BLK@ and BLK!.