BBC et al, "Broadcast Teletext Specification", Sep. 1976, pp. 1-20. |
Specification for Mullard's SAA 5231, Nov. 1986, "Teletext Video Processor". |
Specification for Mullard's SAA 5243, Apr. 1987, "Enhanced Computer Controlled Teletext Circuit". |
Specification for Mullard's MAB 8031H and MAB 8051AH, Nov. 1986, "Single-Chip 8-Bit Microcomputer". |
Specification for Signetics 74LS670, Dec. 1985, "Register File". |
User's Manual, entitled "Computer Controlled Teletext", by J. R. Kinghorn; published by Mullard Application Laboratory; 1983. |