iDeaS is a Nintendo DS emulator for Microsoft Windows and Linux (using GTK+). It can run different NDS homebrew and commercial backup ROM at full speed or with small glitches.

Here's the changelog :

* Fixed a bug in video memory writing.
* Fixed a bug in SWI Breakpoints (now are SWI 0xFD000, 0xFC000 in ARM mode and SWI 0xFD and 0xFC in THUMB mode).
* Fixed a bug when resizing debugger window.
* Fixed a bug in LISTRAM_COUNT register.
* Fixed a bug that occur when you load a savestate (no more lcd swapping).
* Fixed bug in Display Capture feature. (DISPCAPCNT).
* Fixed bug in DMAxCNT registers when starting mode is 4.
* Fixed bugs in BGxCNT registers.
* Fixed a bug in VRAM Display.
* Fixed bug in rendering of polygons with alpha channel in textures.
* Fixed bug in VRAMCNT_A and VRAMCNT_B registers.
* Added SpeedUp Button (CTRL+Space Bar).
* Added BKPT opcode for ARM and THUMB state.
* Added Main Memory rendering (only Display Capture).