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Archive for January 25th, 2014

Restoring & Repair a Commodore 8296 (TAN Case)

January 25th, 2014 3 comments
Commodore 8296 (TAN Case)

The conditions of this Commodore 8296 (TAN Case) are really bad. The CBM 8296 is left for over 25 years in a dovecote.

The cleaning, repairing and restoration have taken a very long time, but the result is more than acceptable.

The comparison (before / after):

Defects:

  • The Commodore 8296 was completely dead (Black screen of death).
  • Little problems of CRT geometry.

Replaced parts:

  • Replaced PLA U6 with a OTP EPROM 27C512R 70ns + Adapter
  • Replaced the ROM 2 x 2764 Eprom with 1 x 27C128 Eprom (spare parts from a original cbm pcb)

Note:

I have replaced the original ROM (2 x EPROM) pcb because the PLA adapter is fat. I could insert a small castle (photo) between the ROM pcb and the Main Motherboard but in this time i have prefered to replace with a single Eprom.

Gallery of repair and cleaning:

SNDH Atari ST YM2149 Archive v4.3 released.

January 25th, 2014 No comments

SNDH archive v4.3 released - 4107 SNDH files (total 7719 tunes)

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 v4.3 (1396)

source: sndh.atari.org

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