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drv/sdc: Implement "SDC@" as a BLK@ word
"0 LIST" in the RC2014 emulator w/ SD card works!
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parent
f3c92684a0
commit
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22
drv/sdc.fs
22
drv/sdc.fs
@ -156,15 +156,20 @@
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0
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0
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;
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;
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( dstaddr blkno -- f )
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: _err
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: SDC@
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_desel
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ABORT" SDC error"
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;
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( dstaddr blkno -- )
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: _sdc@
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_sel
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_sel
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0x51 ( CMD17 )
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0x51 ( CMD17 )
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0 ROT ( a cmd 0 blkno )
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0 ROT ( a cmd 0 blkno )
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_cmd
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_cmd
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IF _desel 0 EXIT THEN
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IF _err THEN
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_wait
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_wait
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0xfe = NOT IF _desel 0 EXIT THEN
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0xfe = NOT IF _err THEN
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0 SWAP ( crc a )
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0 SWAP ( crc a )
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512 0 DO ( crc a )
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512 0 DO ( crc a )
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DUP ( crc a a )
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DUP ( crc a a )
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@ -180,5 +185,12 @@
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_idle + ( crc2 )
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_idle + ( crc2 )
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_wait DROP
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_wait DROP
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_desel
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_desel
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= ( success if crc1 == crc2 )
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= NOT IF _err THEN
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;
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: SDC@
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2 * DUP BLK( SWAP ( b a b )
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_sdc@
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1+ BLK( 512 + SWAP
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_sdc@
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;
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;
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