doc_writew
doc_writew(docg3, reg, DOC_READADDRESS);
doc_writew(docg3, reg, DOC_READADDRESS);
doc_writew(docg3, DOC_IOSPACE_DATA, DOC_READADDRESS);
doc_writew(docg3, DOC_IOSPACE_DATA | DOC_READADDR_ONE_BYTE,
doc_writew(docg3, DOC_IOSPACE_DATA, DOC_READADDRESS);
doc_writew(docg3, *src16, DOC_IOSPACE_DATA);
doc_writew(docg3, DOC_IOSPACE_DATA | DOC_READADDR_ONE_BYTE,
doc_writew(docg3, DOC_ECCCONF0_READ_MODE
doc_writew(docg3, DOC_ECCCONF0_WRITE_MODE
doc_writew(docg3, DOC_ECCCONF0_READ_MODE, DOC_ECCCONF0);