SD2IEC – è un’interfaccia hardware che emula il Floppy Drive 1541 del Commodore 64 utilizzando una scheda SD al posto dei Floppy da 5¼ pollici.

Hardware e il Firmware sono disponibili sotto licenza open source (GPL).

Changelog:

2009-12-16 – release 0.8.3

• Bugfix: Really prevent random corruption on FAT32 media.
• Bugfix: Free buffer after copying files.

source: sd2iec.de gitweb forum thread c64-wiki

Caratteristiche tecniche del Firmware v1.7 Beta:

• The freezer has been made more robust. (Needs more testing)
• Minor fixes in the IEC interface. (but not yet satisfactory)
• SID player has been added.
• Epyx Fastloader cartridge has been added.
• Support for custom carts has been added (8K/16K, as well as existing carts)
• Support for (custom) Ocean and System3 cartridges added.

source: 1541ultimate.net

SD2IEC – è un’interfaccia hardware che emula il Floppy Drive 1541 del Commodore 64 utilizzando una scheda SD al posto dei Floppy da 5¼ pollici.

Hardware e il Firmware sono disponibili sotto licenza open source (GPL).

Changelog:

2009-09-27 – release 0.8.2

• Bugfix: Prevent random storage corruption on FAT32 media.
• Bugfix: Image files not mountable if read-only file or media.
• Bugfix: Do not clear error channel if sec. 15 is closed.
• Add a dummy RTC read during init (to update year if required).
• Enable I2C RTC support in LarsP configuration for Final Expansion 3.
• Acknowledge ATN during initialisation to stall C64 if required.

source: sd2iec.de gitweb forum thread c64-wiki

TapPlay / TAP file playback per sd2iec hardware.

Changelog:

2009-08-21 – release 0.1.0

• first usable version.

source: sd2iec.de gitweb forum thread twitter.com

1541 Ultimate Firmware v1.7 will be released very soon!

Firmware v1.7 will include:

• Fully functional SID player.
• Some new cartridges.
• Support for loading your own cartridge from SD.
• Freezer problem has been addressed and fixed.

source: 1541ultimate.net

SD2IEC – è un’interfaccia hardware che emula il Floppy Drive 1541 del Commodore 64 utilizzando una scheda SD al posto dei Floppy da 5 pollici.

Changelog:

2009-05-24 – release 0.8.1a

• Fix bootloader version number generation.

source: sd2iec.de gitweb forum thread c64-wiki

SD2IEC – è un’interfaccia hardware che emula il Floppy Drive 1541 del Commodore 64 utilizzando una scheda SD al posto dei Floppy da 5 pollici.

Changelog:

2009-05-20 – release 0.8.1

• Fix uIEC/IDE SD card change detection.
• Dreamload support for uIEC.
• Mark the RTC time as valid after setting the clock.
• Delay SPI initialisation until absolutely required.
• Show disk change confirmation even when the error blink is active.
• Exit the FC3 fastloader if ATN is active.
• Fix indentation of 1000+ block files.
• Remove 0-byte from the long version message.
• Fix multiple save-with-replace bugs.
• Ignore directories when matching file name wildcards.

source: sd2iec.de gitweb forum thread c64-wiki

TapPlay / TAP file playback per sd2iec hardware.

source: sd2iec.de gitweb forum thread twitter.com

SD2Iec – è un’interfaccia hardware che emula il Floppy Drive 1541 del Commodore 64 utilizzando una scheda SD.

Changelog:

2009-03-20 – release 0.6.7a

• Unknown.

source: sd2iec.de gitweb forum thread

SD2Iec – è un’interfaccia hardware che emula il Floppy Drive 1541 del Commodore 64 utilizzando una scheda SD.

Changelog:

2009-03-08 – release 0.8.0

• Direct sector access of the real storage device
• Ignore DEL files in file_open
• Drive mapper
• EXOS V3 fastloader support
• Requires avr-libc 1.6.x

2009-03-07 – release 0.6.7

• Bugfix: Close previous file if secondary is reused without close
• Bugfix: Minor Jiffy timing fix on EOI

source: sd2iec.de gitweb forum thread

The annoying bug in the firmware that had rendered the Ethernet interface almost useless has finally been fixed.

In comparison to 1.5, the following has been fixed:

• Reads from the Ethernet chip have been fixed. The unit now correctly receives packets.

download: 1541U Homepage

SD2Iec – is a hardware mass storage device using an SD/MMC card and interfacing with the IEC bus.

Changelog:

2008-10-02 – release 0.8.0pre1

• Implement Dreamload emulation.
• RTC support.
• Dataflash support.
• Multi-file scratch.
• Copy command.
• Large buffer support.
• Final Cartridge 3 freezed file fastloader support.
• D71/D81 disk image support.
• Parse FSINFO sector for faster FAT32 free space calculation.
• Partial REL file support.

download: sd2iec.de

source: gitweb forum thread

Enjoy with this nice video of 1541 Ultimate cartridge from YouTube.