RISC OS Programmers Reference ManualsIndex (VDU codes)

VDU codesVDU codesDescriptionSectionPage
VDU VDU 23,0,10VDU VDU 23,0,10Program the cursor start position and flash stateDisplay changes
VDU VDU 23,0,11VDU VDU 23,0,11Program the cursor end positionDisplay changes
VDU VDU 23,0,8VDU VDU 23,0,8Previously controlled the interlace modesTeletext
VDU VDU 23,0,9VDU VDU 23,0,9Previously programmed the cursor end positionTeletext
VDU VDU 23,18,1VDU VDU 23,18,1Set the display update flagsTeletext
VDU VDU 23,18,16VDU VDU 23,18,16Set the display quality flagsTeletext
VDU VDU 23,18,2VDU VDU 23,18,2Set the reveal state flagsTeletext