AV_SCRATCH_1
amvdec_write_dos(core, AV_SCRATCH_1, workspace_offset);
amvdec_write_dos(core, AV_SCRATCH_1, h264->ref_paddr);
parsed_info = amvdec_read_dos(core, AV_SCRATCH_1);
u32 frame_status = amvdec_read_dos(core, AV_SCRATCH_1 + i * 4);
size = (amvdec_read_dos(core, AV_SCRATCH_1) + 1) * 16;
size = (amvdec_read_dos(core, AV_SCRATCH_1) + 1) * 16;