125 Commits

Author	SHA1	Message	Date
Thomas Harte	2d51924a3c	Wires up Spectrum keyboard. ... The machine now appears to be fully interactive and functional. Timing and media aside, that is.	2021-03-18 23:51:21 -04:00
Thomas Harte	c3d96b30d7	Factors out a little of the ZX81's keyboard logic.	2021-03-18 23:45:57 -04:00
Thomas Harte	44240773ef	Corrects address generation, ink/paper selection. ... Seemingly to give a correct +2a boot. Time to add a keyboard and find out, I guess.	2021-03-18 23:30:48 -04:00
Thomas Harte	ed587a4db5	Provides a better no-port-here value.	2021-03-18 23:14:39 -04:00
Thomas Harte	020a04006e	Adds flashing, randomises initial RAM contents.	2021-03-18 23:07:51 -04:00
Thomas Harte	622a8abf7f	Takes a stab at pixel output.	2021-03-18 22:57:10 -04:00
Thomas Harte	871bac6c8a	Marks out and approximately centres a pixel region.	2021-03-18 22:41:20 -04:00
Thomas Harte	fe3e8f87e7	Takes a shot at an all-border output.	2021-03-18 22:29:24 -04:00
Thomas Harte	87fc7c02e8	Provides a base pointer for video output.	2021-03-18 22:04:41 -04:00
Thomas Harte	f2620e6afb	Adds a CRT. Not yet clocked.	2021-03-18 21:54:42 -04:00
Thomas Harte	ab2ad70885	Takes a run at interrupts.	2021-03-18 21:29:52 -04:00
Thomas Harte	135134acfd	Adds a shell for video emulation.	2021-03-18 12:47:48 -04:00
Thomas Harte	5664e81d48	It appears the +2a and +3 have a different clock rate.	2021-03-18 12:41:24 -04:00
Thomas Harte	c353923557	This can be constexpr.	2021-03-18 12:40:59 -04:00
Thomas Harte	b830d62850	Adds quick notes on port FE.	2021-03-18 12:32:54 -04:00
Thomas Harte	17f551e89d	Attempts a full audio wiring.	2021-03-18 12:23:54 -04:00
Thomas Harte	4a4da90d56	Implements some of the memory map, and instantiates audio objects.	2021-03-18 12:14:48 -04:00
Thomas Harte	404c1f06e6	Insert missing space.	2021-03-18 10:44:01 -04:00
Thomas Harte	730bfcd1fd	Stumbles towards a memory map.	2021-03-18 10:43:51 -04:00
Thomas Harte	97249b0edd	Slow walks further towards a functioning Spectrum.	2021-03-18 10:18:17 -04:00
Thomas Harte	5a1bda1d82	Performs boilerplate towards a ZX Spectrum class.	2021-03-17 23:38:55 -04:00
Thomas Harte	9bec91c2b9	Correct further namespace references.	2021-03-17 22:56:03 -04:00
Thomas Harte	3d1775d853	Correct namespace.	2021-03-17 22:52:23 -04:00
Thomas Harte	814c057570	Update further path references.	2021-03-17 22:46:25 -04:00
Thomas Harte	b63ca16ce2	Attempts to hatch a Sinclair namespace.	2021-03-17 22:40:29 -04:00