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  1. A copyright notice has been placed, starting at $CFC0.
  2. The ROM location $CFF8 is reserved for national character ROM checksums. This does not apply to US ROMs, which contain $FF here. (new since last release.)
  3. The ROM location $CFF9 is now reserved for country codes. The US ROMS contain $FF here. (new since last release.)
  4. The ROM location $CFFA and $CFFB (lo/hi) contain the national character set signature. This does not apply to US ROMs, which contain $FFFF here. (new since last release.)
  5. The ROM signature at location $CFFC and $CFFD (lo/hi) is $8F76. (new since last release.)
  6. The ROM revision byte at location $CFFE, has incremented from $00 to $01.
  7. The ROM checksum byte at location $CFFF, has changed from $C3 to $3C.
  8. The Kernel revision byte at location $FF80 has incremented from $00 to $01.

PART NUMBER 315078-03 -DIN ED, KERNEL, CP/M ($C000-$FFFF)

There have been no revisions to the national portions of the many national Kernel/Editor ROMs. All revisions described above for the US version have also been made to the national versions.
  1. A copyright notice has been placed, starting at $CFC0.
  2. The ROM location $CFF8 is reserved for national character ROM checksums. The German/Austrian (DIN) ROMs contain a $FF here (that really is the checksum!).
  3. The ROM location $CFF9 is now reserved for country codes. The German/Austrian (DIN) ROMs contain $00 here. US ROMs contain $FF here.
  4. The ROM location $CFFA and $CFFB (lo/hi) contain the national character set signature. The DIN ROMs contain $91F3 here. This is unused ($FFFF) for US ROMs.
  5. The ROM signature at location $CFFC and $CFFD (lo/hi) is $EA3B.
  6. The ROM revision byte at location $CFFE, has incremented from $00 to $01.
  7. The ROM checksum byte at location $CFFF, has changed from $C3 to $4C.
  8. The Kernel revision byte at location $FF8O has incremented from $00 to $01.

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This page has been created by Sami Rautiainen.
Read the small print. Last updated May 21, 2002.