2194 Commits

Author	SHA1	Message	Date
Thomas Harte	bb0d35e3d0	Minor formatting/layout fixes.	2021-03-19 22:17:03 -04:00
Thomas Harte	a482ce1546	Adds a tape player.	2021-03-19 11:12:50 -04:00
Thomas Harte	a35e1f4fbe	Starts to make formal Spectrum accommodations.	2021-03-19 11:06:09 -04:00
Thomas Harte	2371048ad1	Formally separates keyboard code. ... With an eye to formalising the Spectrum/ZX81/ZX80 differences.	2021-03-19 10:36:08 -04:00
Thomas Harte	93b9ea67e6	Takes a run at contended timings.	2021-03-19 08:49:56 -04:00
Thomas Harte	f8c9ef2950	Add necessary header for memset.	2021-03-19 00:00:59 -04:00
Thomas Harte	87fac15cc4	This is going to remain purely a template; no .cpp.	2021-03-18 23:51:45 -04:00
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