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Last modified on 5 November 2015, at 08:29

ANTA 64K Memory Expansion

Revision as of 08:29, 5 November 2015 by Arnoldemu (Talk | contribs) (→‎Technical)

A 64KB memory expansion by MHT Ingenieros.

Pictures

  • Unit front

  • Unit back

  • PCB top

  • PCB bottom

Technical

  • Uses port &F8F8, &FADD and centronics strobe.
  • Data is read one byte at a time using &F8F8
  • Data is written one byte at a time using &F8F8.
  • NOT Dk'Tronics compatible.
  • More like a ram disc
  • ROM has commands:

PBUFF NBUFF PEEK POKE SCREENCOPY SCREENSWAP BSAVE BLOAD CSAVE CLOAD OPEN GET CLOSE PUT MKILL MCAT MRENAME FREDSK RAMDSK CC

ROM