word12_nibble_offset  670 src/dps8/dps8_crdpun.c           int word12_nibble_offset = 2 - (nibble_index % 3);
word12_nibble_offset  672 src/dps8/dps8_crdpun.c           word12_buffer[word12_offset] |= nibble << (word12_nibble_offset * 4);