The SPI mode of SD is implemented, and all the simulation and test is adopted to support the reading and writing of the data. Most of the commands of the SPI mode of SD card are supported.

sdcard_spi
..........\0sdcard_spi.mgf
..........\1sdcard_spi.mgf
..........\3sdcard_spi.mgf
..........\bde.set
..........\compilation.order
..........\compile
..........\.......\contents.lib~
..........\.......\sdcard_spi.cmd
..........\.......\sdcard_spi.epr
..........\.......\sdcard_spi.erf
..........\.......\sdcard_spi.top
..........\.......\sources.sth
..........\.......\wave0.dat
..........\.......\wave1.dat
..........\.......\wave10.dat
..........\.......\wave11.dat
..........\.......\wave12.dat
..........\.......\wave13.dat
..........\.......\wave14.dat
..........\.......\wave15.dat
..........\.......\wave16.dat
..........\.......\wave17.dat
..........\.......\wave18.dat
..........\.......\wave19.dat
..........\.......\wave2.dat
..........\.......\wave20.dat
..........\.......\wave22.dat
..........\.......\wave24.dat
..........\.......\wave25.dat
..........\.......\wave26.dat
..........\.......\wave28.dat
..........\.......\wave3.dat
..........\.......\wave30.dat
..........\.......\wave32.dat
..........\.......\wave33.dat
..........\.......\wave34.dat
..........\.......\wave35.dat
..........\.......\wave36.dat
..........\.......\wave37.dat
..........\.......\wave38.dat
..........\.......\wave39.dat
..........\.......\wave4.dat
..........\.......\wave40.dat
..........\.......\wave41.dat
..........\.......\wave42.dat
..........\.......\wave43.dat
..........\.......\wave44.dat
..........\.......\wave45.dat
..........\.......\wave46.dat
..........\.......\wave47.dat
..........\.......\wave5.dat
..........\.......\wave6.dat
..........\.......\wave7.dat
..........\.......\wave8.dat
..........\.......\wave9.dat
..........\compile.cfg
..........\CRC16Generator.vhd
..........\CRC16Generator_D8.vhd
..........\CRC7Generator.vhd
..........\elaboration.log
..........\library.cfg
..........\log
..........\...\console.log
..........\main_ram.vhd
..........\PCK_CRC16_D1.vhd
..........\PCK_CRC16_D8.vhd
..........\PCK_CRC7_D1.vhd
..........\projlib.cfg
..........\ram_init.mif
..........\r_fifo.vhd
..........\sdcard_spi.adf
..........\sdcard_spi.aws
..........\sdcard_spi.dat
..........\sdcard_spi.LIB
..........\sdcard_spi.vhd
..........\sdcard_spi.wsp
..........\sdcard_spi.wsw
..........\sdcard_spi_timing
..........\.................\sdcard_spi_timing.lib
..........\src
..........\...\0_55_41_24_512_17.awf
..........\...\crc16generator.vhd
..........\...\crc16generator_d8.vhd
..........\...\crc7generator.vhd
..........\...\hb1.awf
..........\...\main_ram.vhd
..........\...\me1.awf
..........\...\pck_crc16_d1.vhd
..........\...\pck_crc16_d8.vhd
..........\...\pck_crc7_d1.vhd
..........\...\ram_init.mif
..........\...\sdcard_spi.vhd
..........\...\timing
..........\...\wave1.awf
..........\...\w_fifo.vhd
..........\synthesis
..........\.........\afterbatch.ini
..........\.........\quartus.log
..........\.........\run.bat

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