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WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... avoid the need to derive sync signals from composite video (only ... needs to use the composite sync signals to make its output ... output DVI buffer exactly in sync with where the electron beam ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... avoid the need to derive sync signals from composite video (only ... needs to use the composite sync signals to make its output ... output DVI buffer exactly in sync with where the electron beam ... -
BIFROST* Advanced Programming - part 6The purpose of this demo is somewhat different from previous ones. Instead of teaching a new technique, the main goal here is to demonstrate how much…
... /> while(1) {
// frame sync
asm("halt");
// frame sync
asm("halt");
Revisiting Spectrum CPU clock regenerationWarning: This post will be a bit nerdy :-) Some time ago, I experimented with phase locked loop circuits as a possible way to regenerate the Spectru…
... it's still nicely in sync with the Spectrum clock despite ...RF TuningWhat is the actual RF frequency that the Spectrum +3 uses? Thanks
... they say it uses inverted sync or something.RF TuningWhat is the actual RF frequency that the Spectrum +3 uses? Thanks
... they say it uses inverted sync or something.[/QUOTE]
sync at all.RF TuningWhat is the actual RF frequency that the Spectrum +3 uses? Thanks
... for me! Not inverted the sync at all.[/QUOTE]
Another ...SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... required for SPECTRA to operate (sync timing with ULA).
The ...
