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Classic99 - v393a

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If this software is cool or useful to you, consider a small donation to the programmer! There is *no* need to pay to download and enjoy this software! But it's a lot of work and I do it in my so-called spare time, so a couple of dollars would be really appreciated! :)
(Alternately, there's my Amazon Wishlist)

Click here to download:
23 downloads this week
4426 downloads total
windows.gif Download emulator, source and documentation. (9.5 mb) (#1) since 2017-02-06

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:
Using the debugger:

Last Updates (max 5)

  • Minor bugfix - image disk file allocation performed more like the TI disk controller, doesn't overwrite copy protection on Bubble Plane

  • rewrote speech synth CPU halt system, but this didn't fix anything that I could see
  • bugfix in image disk sector allocation that would leave empty holes on the disk
  • bugfix in image disk writing cluster list that only wrote one sector per cluster ;)
  • change image disk sector allocation - FDRs at the beginning, data at the end. Makes for nicer layout
  • disabled VDP warning, it's still not quite right

  • update palette colors (suggestion from Sometimes99er)
  • fix startup CPU timing
  • add some register support to GPU
  • implement scanline VDP processing
  • implement disk image writing (except per-sector writes)
  • re-added VDP warning (with a little more state awareness)
  • add optional FPS display
  • automatically disable disconnected joysticks (was causing slowdown in some cases)
  • fix F18A multiple palette support on ECM0 tiles
  • fix 5-sprite-on-a-line flag

  • Patch for XB256 'DELAY' call
  • Fix for disk CLOSE causing type mismatch
  • Fix for VDP memory overrun in disk systems (for data that ended exactly at >4000)
  • Make inverted carts respond to '9' instead of '3' for extension ('3' still supported)
  • Make VDP screen redraw when breakpointed

  • TI Artist remapping extended to handle 'TIAM' to '_M' files
  • handle truncated sectors when reading FIAD by sector
  • fix debug key handling - only active when debug window open. NO MORE SCROLL LOCK.
  • tuning of CPU speed
  • turn off F18A DPM when reading status register
  • more debug on GPU start/stop
  • stop GPU when go bit is cleared
  • condense palette to F18A palette (now implemented for tiles)
  • fix buffer overflow in debug function
  • Title:Classic99
    Last Update:2017-01-14

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