Based on a logic analyzer trace from Andy Cooper, it appears that some SD cards want the unused CRC byte of the command packet to be 0xFF instead of the 0x00 filler I was using. Changed to put 0xFF in the CRC byte when unused.
8 lines
86 B
Plaintext
8 lines
86 B
Plaintext
rmj equ 3
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rmn equ 1
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rup equ 1
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rtp equ 0
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biosver macro
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db "3.1.1-pre.27"
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endm
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