SD2IEC is a hardware mass storage device using an SD/MMC card and interfacing with the IEC bus. It is based on the ATmega644 microcontroller from the Atmel AVR microcontroller family.

The most prominent use of SD2IEC is emulation/replacement of a Commodore-1541 disk drive for a C64. Hardware and the microcontroller’s firmware is available as open source (GPL).

Changelog:

2010-03-07 – release 0.9.1

• Bugfix: Filling unused REL records used wrong offsets.
• Bugfix: Unbreak case-insensitive matching of FAT file names.
• Bugfix: Fix raw directory mode for D64/D71/D81.
• Bugfix: Tell the display about REL files too.
• Add preliminary support for the ATmega1284P.

source: sd2iec.de gitweb forum thread c64-wiki

The High Voltage SID Collection web page is totally renewed. Especially the Search part is much improved.

You can for example type-in “Rob Hubbard” and you will be presented with a complete list.

source: hvsc.de

It has been over four years since the latest release of our disk magazine. Finally “Attitude #10″ is ready for download. Get your copy and tell us if it was worth to get together again and make this release possible.

We hope you enjoy this issue as much as you did the previous ones!

source: attitude.c64.org

General Info:

• Firmware written primarily for the DivIDE interface, maybe for others in future.
• Inspired by our (Phoenix & LaesQ) old ‘backbone’ project + inspiration from +D
• Works with HDD/CD-ROM/ZIP/LS120 (LS120 can access 720KB and 1.44MB floppies)
• Uses drivers to access filesystems (either in RAM or ROM)
• Provides new BASIC commands
• Will provide RST 8 hooks for user-land apps
• Supports IM2 loading/saving (K3L’s FA part)
• Drivers give access to the filesystem, and provide specific emulation hooks in certain cases (TRDOS, .TAP, etc)
• There’s a device/filesystem abstraction layer, which means that BASIC or user-land programs don’t need to know anything about the underlying filesystem/device (ie, you use the same BASIC commands for all filesystems, FAT/ISO/TRD/etc)
• Will allow up to 4 virtual drives for disk images (.trd/etc)
• Filesystems are mapped acording to type: hd*, fd*, cd*, vd*, td*
• FAT12/16/32 driver built-in ROM, other drivers loaded from boot filesystem on demand. (on this preview version, there was still room so TRDOS filesystem is in ROM too)
  Does not need a system file to work, common BASIC commands and FAT driver on ROM, system file loaded from boot filesystem will have additional commands, etc.
• … more stuff which I prolly forgot

source: esxdos.org