Mic has released yet another new version of his Nintendo DS Emulator for windows, heres whats new:

GPU: Added support for texture wrapping
GPU: Added support polygon alpha and wireframe rendering
GPU: Added support for material commands
GPU: Added polygon depth comparisons
GPU: Fixed OpenGL errors that occured when VTX_BEGIN/END pairs spanned across more than one frame
GPU: Fixed MTX_MULT_4X4 (missing break)

Download here --> http://nintendo-ds.dcemu.co.uk/dualis.shtml