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Classic99 - v399.033

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67 downloads this week
22712 downloads total
windows.gif   Download emulator, source and documentation. (11.2 mb) (#1) since 2020-11-19

I have a lot of database entries to fill in. ;)

Open source (but restrictive license) emulator including ROMs licensed by Texas Instruments - see documentation for license and restrictions.

Tips and tricks video:

Last Updates (max 5)

  • Don't patch in the hacky disk tracking into VRAM when CALL FILES(0) is active - fixes Atlantis

  • minor tweaks to make it build in 64-bit, but the 64 bit build is not going to be released
  • move the check for
  • fix GROM access to console GROMs from banks larger than Classic99 supports
  • also mask cartridge access in those cases instead of outright rejecting the access
  • some future todo notes added

  • Added View->Log Disasm to Disk to the Debug menu
  • Some work on SID debug but it's not visible yet
  • proper line counting in the debug output, so the cursor stays where it's supposed to
  • bugfix so that CLOSE doesn't return an error on devices without FLUSH (like CLOCK)

  • Add reset for timer statistics
  • add CycleCounts.txt output after timer block
  • Fix opening manual and disks for non-English Windows

  • Notes
    Source code is now on Github at

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    Last Update:2020-11-26

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