EMU_FXGPREGBASE
emu_wrptr(sc, 0, EMU_FXGPREGBASE + i, 0);
#define GPR(x) (EMU_FXGPREGBASE + (x))
sc->gpr_base = EMU_FXGPREGBASE;
#define EMU_DSP_GPR(num) (EMU_FXGPREGBASE + num)