This is a Bandai WonderSwan (Color/Crystal) & PocketChallenge V2 emulator for the Nintendo DS.
What's new:
* Fixed reset of mapper registers.
* Fixed reset of mapper registers.
* Fixed loading of roms that are not power of 2.
* Fixed timing of several opcodes.
* Fixed timing of interrupts.
* Fixed timing of address calculations.
* Fixed some cpu opcodes.
* Fixed interrupt handling.
* Fixed timers.
* Fixed sweep on sound channel 3.
* Fixed noise feedback selection.
* Fixed sound sample playback.
* Optimized cpu core a bit.
* Added support for serial port interrupts.
* Added support for battery low.
* Added new debug menu.
* Linked NDS battery to WS battery.
* Better menu traversing.
More info: https://www.gamebrew.org/wiki/NitroSwan_DS
What's new:
* Fixed reset of mapper registers.
* Fixed reset of mapper registers.
* Fixed loading of roms that are not power of 2.
* Fixed timing of several opcodes.
* Fixed timing of interrupts.
* Fixed timing of address calculations.
* Fixed some cpu opcodes.
* Fixed interrupt handling.
* Fixed timers.
* Fixed sweep on sound channel 3.
* Fixed noise feedback selection.
* Fixed sound sample playback.
* Optimized cpu core a bit.
* Added support for serial port interrupts.
* Added support for battery low.
* Added new debug menu.
* Linked NDS battery to WS battery.
* Better menu traversing.

More info: https://www.gamebrew.org/wiki/NitroSwan_DS