VORTEX_MIXER_RTBASE
prev = VORTEX_MIXER_RTBASE + ((temp & 0xf) << 2);
hwwrite(vortex->mmio, VORTEX_MIXER_RTBASE + ((temp & 0xf) << 2), mix);
ebx = VORTEX_MIXER_RTBASE + (mix << 2);
VORTEX_MIXER_RTBASE + (ebx << 2));
VORTEX_MIXER_RTBASE + ebp);
ebx = VORTEX_MIXER_RTBASE + ((edx & 0xf) << 2);
VORTEX_MIXER_RTBASE + ebp, edx);
VORTEX_MIXER_RTBASE +
VORTEX_MIXER_RTBASE + ebp, 0);
addr = VORTEX_MIXER_RTBASE + (MIXER_RTBASE_SIZE - 1) * 4;