Introduction - If you have any usage issues, please Google them yourself
8051 (AT89S52) Assembler Source for reading FAT16-Filesystem from SD-card. It can handle up to 8 concurrent files. Writing to FAT16 is planned but not implemented yet. Also SPI Bit-Banging for addressing SD-Card is included and an small app for serving as an ATARI 8Bit Disk-Drive.