A new version of the firmware for the AVGCART (SD multicart for 8bit Atari) by tmp is released.

The AVGCART is a FPGA based multicart for 8bit Atari computers, extensible with SIO and/or ECI/PBI cables.

• supports CAR (cartridge dump) files up to 1MB and most bankswitching types
• supports XEX (executable) files
• supports ATR (floppy image) files (read/write) – support is limited without an optional SIO or ECI/PBI cable due to Atari cartridge port constraints (e.g. SW that uses RAM under OS does not work)
• supports ATX (protected floppy image) files (read-only, SIO cable required)
• supports CAS (cassette) files (SIO cable required)
• supports AVF (video) files
• supports PDM (audio) files
• fast file search, file shortcuts, randomizer and tons of other features
• when used with optional ECI/PBI cable, it can expand ATARI memory to up to 576kB, it can also provide extra 48kB RAM to stock 16kB 600XL machines (some limitations apply)
• firmware upgradeable via SD card (no additional hw needed)
• SIDE2 emulation (compatible with U1MB and SpartaDOS X)
• ability to stack emulated cart with emulated SpartaDOS X cart, together with SIDE2 emulated HDD
• unlike some other products, most of the functionality is running inside the cart and not on the host machine’s CPU which makes it faster and more versatile (it can do stuff in parallel with host machine without having to gain 6502 control and doesn’t require soldering extra internal upgrades like Ultimate 1MB for some basic functionality like ATR emulation or memory expansion)
• compatible with 600XL, 800XL/XE, 65XE, 130XE, XEGS (cartridge shell is too wide for 1200XL, bare pcb will fit, it is also too tall for 800, can be used with cartridge door opened and door switch triggered)

Changelog (v0027):

• When used on 16kB 600XL with EXTMEM enabled, it tries to expand it to 64kB base RAM (if enough cart ram is free)
• Changed key autorepeat delay/rate
• Some fixes related to EXTMEM
• EXTMEM tweak (not all SRAM chips are made equal)

Download:

• AVGCART [0027] (482)
• AVGCART Manual (732)

source: atariage.com

A new version of the firmware for the AVGCART (SD multicart for 8bit Atari) by tmp is released.

Changelog (v0019):

• Various speed-ups (SD card and FS handling rewritten.

Download:

• AVGCART [0019] (652)

source: atariage.com

SNDH archive v4.5 released - 355 new/updated SNDH files (1731 subtunes).

Ever since the birth of the Atari ST, different chip music formats have had different ways to use them. If you are coding a chip music player for the Atari ST you would have to use dozens and dozens of special ways to replay music.

But in the mid 90′s, BDC of Aura crew became tired of this inelegant system and decided to fix the issue once and for all. He then created the ‘SNDH’ file format. SNDH is actually the original songfile and replaycode with a header bolted on top of the music and replayer. The header has a unified calling interface no matter what type of chip music is hidden beneath it, and it has extended datas about the music.

Download: SNDH Atari ST YM2149 Archive v4.5 (1591)

source: sndh.atari.org