h6. [[Programmer's Reference Manuals]] h6(. » [[VDU Codes]] h6((. » VDU 23 h2. VDU 23 (&17) h4. Use Multi-purpose command: |<^{width:12em}. Extra byte(s)|<^. Meaning| |<^. 23,0|<^. Sets the interlace and controls cursor appearance| h4. Syntax Refer to specific uses linked above. h4. Parameters Refer to specific uses linked above. h4. Notes Refer to specific uses linked above.