Dualis Release 15.1

CPU: Changed CPSR bits when entering IRQ mode
MMU: Fixed some bugs introduced in Dualis 14.1
MMU: Fixed writes to the DMA0 registers
GUI: .nds files are now entirely loaded into memory (for romfs/gbfs)
GUI: Fixed some bugs in the disassembler (CLZ, register-specified shifts)

And the changes for Release 15.1 :

GPU: Fixed rendering of transparent areas on 256-color bitmap BGs
GPU: Fixed background color in the OpenGL renderer when luma effects are used
MMU: Added support for 64bit/32bit operations to the hardware divider
MMU: Fixed 32-bit reads from the IF register
MMU: Modified IRQ handling a bit

http://dualis.1emulation.com/files/index.html