Richard Russell
@richardrussell.bsky.social
Particular interests are:
The BBC BASIC programming language.
BBC TV Testcards and Ceefax.
BBC TV Clocks and Idents.
PAL Decoding.
Colour Recovery (by chromadots).
Finite Impulse Response filtering.
The BBC BASIC programming language.
BBC TV Testcards and Ceefax.
BBC TV Clocks and Idents.
PAL Decoding.
Colour Recovery (by chromadots).
Finite Impulse Response filtering.
Rendered and animated by a BBC BASIC program, this illustrates how a regular heptagon can be dissected into eight pieces, which can then be re-arranged into a larger heptagon - but with a heptagonal hole in the middle! www.bbcbasic.co.uk/bbcsdl/ #bbcbasic
October 11, 2025 at 9:25 AM
Rendered and animated by a BBC BASIC program, this illustrates how a regular heptagon can be dissected into eight pieces, which can then be re-arranged into a larger heptagon - but with a heptagonal hole in the middle! www.bbcbasic.co.uk/bbcsdl/ #bbcbasic
3D Christmas Bauble animated by 'BBC BASIC for SDL 2.0'. The music, also played by BBC BASIC, is 'Prepare Thyself, Zion' from J.S.Bach's Christmas Oratorio; it was transcribed for Z80 Music by Gerald Pye on 27th September 1981. bbcbasic.co.uk/bbcsdl/ #bbcbasic
December 11, 2024 at 1:44 PM
3D Christmas Bauble animated by 'BBC BASIC for SDL 2.0'. The music, also played by BBC BASIC, is 'Prepare Thyself, Zion' from J.S.Bach's Christmas Oratorio; it was transcribed for Z80 Music by Gerald Pye on 27th September 1981. bbcbasic.co.uk/bbcsdl/ #bbcbasic