2287 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
Thomas Harte	cdc19c6990	Adds TODO.	2021-03-15 11:39:15 -04:00
Thomas Harte	1a5dafae00	Slightly neatens.	2021-03-15 11:37:03 -04:00
Thomas Harte	d368dae94a	Adds tape motor LED.	2021-03-12 23:09:51 -05:00
Thomas Harte	7d778bc328	Formally introduces fast tape support as an option. ... It doesn't feel that fast yet though.	2021-03-12 22:57:02 -05:00
Thomas Harte	7a8317ad81	It seems a full CRC is in play.	2021-03-12 22:45:48 -05:00
Thomas Harte	a32a2f36be	Advances to correctly reading bytes. ... Something is still amiss though. Maybe I'm supposed to update the checksum?	2021-03-12 19:15:35 -05:00
Thomas Harte	cd215ef521	Stumbles towards supporting fast tape loading. ... Right now: in a non-optional manner.	2021-03-12 18:42:17 -05:00
Thomas Harte	67408521cd	Makes absolutely sure not to try to use quickboot workaround for Mac 128kb/512kb. ... Albeit that it should be harmless; it's just seeding RAM.	2021-03-06 22:34:35 -05:00
Thomas Harte	f05260b839	ZX80/1: fix initial key state, wait line when NMI disabled.	2021-03-06 21:59:45 -05:00
Thomas Harte	7b164de6fd	Reenables interrupts.	2021-03-06 18:53:39 -05:00
Thomas Harte	24e68166c6	Minor clean-ups of my temporary cruft.	2021-03-06 17:11:06 -05:00
Thomas Harte	b72474f418	Reduces debugging shout outs a touch.	2021-03-03 20:53:05 -05:00
Thomas Harte	38046d49aa	Increases debugging noise.	2021-03-03 20:52:14 -05:00
Thomas Harte	4601421aa6	This conditional is gone.	2021-03-03 20:52:01 -05:00
Thomas Harte	2f45e07d82	Further consolidates region map, now that shadowing is orthogonal.	2021-02-28 15:22:36 -05:00
Thomas Harte	496b6b5cfc	Introduces a further 128 bits of storage to eliminate the conditional in IsShadowed.	2021-02-28 15:14:32 -05:00
Thomas Harte	8604b1786e	Simplifies banks $02+ to a single region.	2021-02-27 23:34:51 -05:00
Thomas Harte	267e28e012	Adds various bits of debugging detritus.	2021-02-27 22:27:57 -05:00
Thomas Harte	631a8a7421	Adds bitset header.	2021-02-27 22:13:49 -05:00
Thomas Harte	7dcb0553e4	Switches to a target-centric view of shadowing.	2021-02-27 22:13:10 -05:00
Thomas Harte	2a7ea9f57c	Merge branch 'master' into AppleIIgs	2021-02-26 21:31:18 -05:00
Thomas Harte	9781460c41	Thanks to a hint from the MAME guys: finally completes Macintosh 128kb and 512kb emulation (!)	2021-02-26 21:22:35 -05:00
Thomas Harte	55c9d152e9	Slightly smarter: this does branchless shadowing without additional storage.	2021-02-24 18:46:41 -05:00
Thomas Harte	6cf9099ce1	Don't clear the mouse data full flag until both registers have been read.	2021-02-23 21:57:02 -05:00
Thomas Harte	e6dc39f6f0	Makes an attempt at mouse event transmission.	2021-02-19 22:48:15 -05:00