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Classic99 - v399v028

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52 downloads this week
19397 downloads total
windows.gif   Download emulator, source and documentation. (11.2 mb) (#1) since 2020-04-06

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)

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

  • fix disk full on image disks (would just keep overwriting the same sector)
  • fix crash bug in debug of writing very large files
  • fix recorded length of variable-length record files (would be off by 1)
  • fix reporting of errors on CLOSE (/all/ disk types suffered here)
  • updated Tunnels of Doom in CartPack to describe how to load the built-in games

  • add some missing closes to the disk image handling. should've RAI
  • add full directory sort when writing to a disk image to fix old broken images (this should also fix rename from the last update, but nobody had time to notice it was broken yet)
  • all the fixes made to saving FIAD headers never made it into disk images: bytes in last header and number record field were both wrong for variable type files
  • added disk size verification to TICC handler because the TICC doesn't check like I thought it did and PEOPLE ARE NOT PAYING ATTENTION TO DOCUMENTED RESTRICTIONS.


    Version 399.025

  • ** fix interrupt skip after context switch instructions ** - off by one meant we never really skipped
  • fix breakpoint loads for more complex breakpoints, was using a destructive string call
  • add level masking to interrupt calls, though I think it doesn't matter on the TI...
  • add ability to trigger breakpoints for WP and ST register changes
  • remove interrupt skip from X instruction that didn't work anyway but shouldn't have been there
  • BaseDisk::CloseAllFiles only closed files if they were not open. ;)
  • add debug warning when VDP accessed with interrupts active
  • make sure to check for open files on reset cases
  • fix for drawing border when 80 column mode is disabled but the bits are set anyway
  • Version 399.024

  • Fix reading imagedisk files by sector - file type was not being ignored
  • Version 399.023

  • Add rename support to imagedisk
  • Fix AMS mapping RAM in non-mappable areas

  • Fix GROM address wrap
  • Fix AMS breakpoints in debugger

  • Notes
    Source code is now on Github at

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    Last Update:2020-06-14

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