bslathi19/super6502
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7df0b67b12fdd47e7cd4a111dad542e66e295e78
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3 Commits

Author SHA1 Message Date
Byron Lathi
f4e16c0c12 Add software interface for reading SD card data 
Adds functions to wait for data to be read, and to read data form the sd
card controller.
 2022-04-11 14:03:42 -05:00
Byron Lathi
9eaa6c49f9 Add software support for sd response codes 
Polls the sd controller until the read flag is set, at which point it
reads 32 bits of data from the controller.

long response codes (such as CID) are not supported in hw or sw.
 2022-04-10 23:18:26 -05:00
Byron Lathi
7092cc8f77 Add SD card software interface 
Adds a function to send a command to the sd card.
 2022-04-10 17:55:51 -05:00