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Dualis Release 13


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This emulator cannot run any commercial games yet. Check it out, here's the latest changes :

CPU: Optimized Thumb emulation
CPU: Added support for mode changes on MOVS
CPU: The IntrWait SWI can now be interrupted even when IME=0 (as it would on a real DS)
GPU: Added support for main memory (FIFO) display mode
GPU: Modfied reference coordinate calculation for rotoscale OBJs
GPU: Fixed vertical OBJ clipping
GPU: Fixed a problem with 1D bitmap OBJ mapping
GPU: Fixed a bug where BGs would not be drawn if the VRAM selection bits in DISPCNT were non-zero
MMU: Fixed 16- and 32-bit writes to VRAMCNT_*
MMU: VRAM banks mapped to extended palettes are no longer accessible
GUI: Added an OBJ viewer
GUI: Added a map viewer (does not yet support all types of maps)
GUI: Improved the tile viewer (VRAM bank selection)
GUI: Changed the screenshot keyboard shortcuts to Ctrl+1..Ctrl+3 so as to not interfere with dialogs were entering numbers is needed



up to 13.1 now

CPU: Fixed crashes when using SWIs in Thumb mode
GPU: Fixed colors of extended palette OBJs in OpenGL mode
GPU: Added emulation of the master brightness setting
GUI: Improved the map viewer


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Dualis Release 13.3 is out

There has been alot of updates from this Nintendo DS emulator in the last couple of days. Here's the changelog :

GPU: Added support for flipping of bitmap OBJs
GPU: Fixed a clipping bug for rotoscaled bitmap OBJs
MMU: Fixed a bug that would sometimes result in bad 32-bit reads from VRAM
GUI: Added support for zipped ROMs (only .nds)
GUI: Added support for the master char/screen offsets in the map viewer
GUI: Tile information is now diplayed when clicking on the map in the map viewer
GUI: Added a texture viewer (supports only 15-bit textures at this point)

Since we missed Release 13.2, here are the changes that were in that release :

GPU: Fixed rendering of rotoscaled 1D bitmap sprites
GPU: Added support for the master char/screen offset setting (text BGs)
GUI: Map viewer and OAM viewer now support extended palettes
GUI: Map viewer now supports tile flipping
GUI: Map viewer now supports viewing of VRAM banks in LCDC mode
GUI: Fixed rendering of 16-color OBJs with palette number >=8 in the OAM viewer
GUI: Fixed rendering of 1D bitmap OBJs in the OAM view



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Thanks for the news, but I don't think it's OK to direct link that files, it would be better just link to the download site.
Last edited:


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Dualis r13.4 released

Please note that no commercial games are running on this emulator yet - so don't bother asking.
Anyway, here are the changes in this version:

GPU: Added partial support for capturing
GPU: Added support for luma effects on bitmap OBJs
GPU: Fixed luma increase for BGs
GPU: Fixed a bug with luma decrease enabled and no target layers selected
GPU: Corrected the master brightness algorithm