49 Commits

Author	SHA1	Message	Date
Thomas Harte	8907d0a9a7	Adds a low-pass filter to the Apple II's audio.	2018-05-14 21:56:14 -04:00
Thomas Harte	5107c7c23d	Ensures all keypresses are entered as upper case.	2018-05-13 22:40:28 -04:00
Thomas Harte	4dbd1f1358	Corrects Disk II ROM visibility.	2018-05-13 22:36:02 -04:00
Thomas Harte	dea9892a85	Attempts to implement vapour lock bus behaviour.	2018-05-13 18:53:32 -04:00
Thomas Harte	5d6b5d9f10	Eliminates all emdashes in cross-platform code.	2018-05-13 15:34:31 -04:00
Thomas Harte	0b771ce61a	Removes all instances of the copyright symbol.	2018-05-13 15:19:52 -04:00
Thomas Harte	39c0bc6c47	Factors string serialisation with \n\r conversion out of the Apple II and reuses it with the Oric.	2018-05-13 13:57:19 -04:00
Thomas Harte	a6b8e88406	Implements type_string for the Apple II.	2018-05-13 11:30:04 -04:00
Thomas Harte	c23f6d8d19	Corrects type for array accesses.	2018-05-11 21:46:30 -04:00
Thomas Harte	a43ca0db35	Makes the Apple II an activity source.	2018-05-10 22:17:13 -04:00
Thomas Harte	d16ae84d0b	Reduces number of Apple II video flushes, to reduce processing cost.	2018-05-10 20:48:57 -04:00
Thomas Harte	c3a2f7717b	Makes attempt to implement support for the Pravetz 8D + 8DOS. ... i.e. the Disk II wired up to the Oric, with some ROM swaps.	2018-05-08 22:05:43 -04:00
Thomas Harte	d613c3c187	Adds an implementation of the language card.	2018-05-06 16:17:11 -04:00
Thomas Harte	4c4ab25d0e	Attempts to rationalise Apple II address decoding.	2018-05-05 20:24:03 -04:00
Thomas Harte	723ee88043	Introduces configuration options for the Apple II. ... Specifically: II or II+? Disk II 13- or 16-sector? Or not at all?	2018-05-03 19:37:32 -04:00
Thomas Harte	265bc80d44	Attempts to introduce sleeping to the Disk II.	2018-04-29 17:52:29 -04:00
Thomas Harte	850a394eb5	Corrects graphics 'carry' — the potential holdover into delayed bytes.	2018-04-26 19:26:43 -04:00
Thomas Harte	244721a6f8	Corrects graphics mode address generation.	2018-04-25 22:26:01 -04:00
Thomas Harte	b4f6dee954	Ensures the contextually-proper boot and state machine ROMs are requested.	2018-04-24 20:25:02 -07:00
Thomas Harte	2685e9087e	Changes the default-assigned Disk II card slot from 7 to 6.	2018-04-24 20:24:44 -07:00
Thomas Harte	7061537ff5	Makes joined-up attempt to run data through the Disk II.	2018-04-24 19:44:45 -07:00
Thomas Harte	2f2390b5aa	Adds F12 as a reset key, triggers cards upon a flush.	2018-04-24 09:03:30 -07:00
Thomas Harte	af61bbc3e2	Attempts actual performance of the state machine.	2018-04-24 08:29:05 -07:00
Thomas Harte	56d88f23ef	Teeters closer and closer to trying actually to run the Disk II state machine.	2018-04-23 22:29:36 -07:00
Thomas Harte	4bff44377a	Attempts to route Disk II requests to the thing itself.	2018-04-23 22:11:31 -07:00
Thomas Harte	7463edaa1b	Attempts to bring card support to the Apple II, and adds a 'has disk' flag.	2018-04-23 21:14:45 -07:00
Thomas Harte	6592745e53	Adds the bare minimum to respond to attempts to open NIB files with an Apple II.	2018-04-21 21:21:57 -07:00
Thomas Harte	5968c9a391	Corrects Apple II output audio.	2018-04-21 14:56:50 -07:00
Thomas Harte	aebe8a64a2	Removes empty printf.	2018-04-20 10:58:23 -04:00
Thomas Harte	b8ae283049	Implements correct text inverse/flashing.	2018-04-19 22:14:22 -04:00
Thomas Harte	e03a403a51	Adds exposition.	2018-04-19 20:41:09 -04:00
Thomas Harte	ba43b3e6b8	Reverses bit order of graphics stream; apparently the ROM is backwards.	2018-04-19 20:39:38 -04:00
Thomas Harte	b4a2d1395c	Ensures left and right cursor keys work.	2018-04-18 22:23:31 -04:00
Thomas Harte	f5ae8d0f79	Attempts to be more rigorous about clock rates.	2018-04-18 21:52:22 -04:00
Thomas Harte	5f1c210746	Simplifies and corrects low-resolution colour generation. ... Possibly disproving the premise for this whole experiment, all colours seem immediately to work correctly. Hmmm.	2018-04-18 21:41:11 -04:00
Thomas Harte	f6c2f6e896	Slightly adjusts colour burst logic to fix transition lines in mixed mode.	2018-04-18 20:39:12 -04:00
Thomas Harte	6547560e52	Gives the CRT the ability to move iCoordinate multiplication outside of the fragment loop. ... That resolves precision issues, as were plaguing the Apple II.	2018-04-18 19:29:03 -04:00
Thomas Harte	f22c23cb4c	Attempts to bring audio to the Apple II. ... By factoring the audio toggle out from the MSX.	2018-04-17 22:28:13 -04:00
Thomas Harte	a07c99d778	Completes first draft of Apple II video hardware.	2018-04-17 22:04:02 -04:00
Thomas Harte	1c605d58e3	Removes the CRT requirement for an integral relationship between cycles and samples.	2018-04-16 20:00:56 -04:00
Thomas Harte	6a79ce9eb1	Adds enough to the Apple II's video that I can see what's going on with soft switches.	2018-04-15 21:55:26 -04:00
Thomas Harte	465c38f03c	Extends the keyboard protocol and adds keyboard input to the Apple II.	2018-04-15 21:11:30 -04:00
Thomas Harte	be05d51e07	Now gives something a lot like the proper character output.	2018-04-15 20:31:04 -04:00
Thomas Harte	9bc470027e	Put enough in place to get a visual representation of video memory. ... Not the correct one, and so as to indicate that the machine isn't booting, surprisingly.	2018-04-15 19:35:08 -04:00
Thomas Harte	335c633884	Retrenches temporarily to full 8bpp output; introduces extra half a colour cycle of pause.	2018-04-15 18:54:05 -04:00
Thomas Harte	abe47b6ed8	Makes first attempt at a stable display area. Not entirely successful.	2018-04-15 18:00:40 -04:00
Thomas Harte	61659faeaa	Adds the necessary call-outs to allow implementation of video generation.	2018-04-15 15:13:07 -04:00
Thomas Harte	71adb964e5	The Apple II now has a functioning processor, ROM and RAM.	2018-04-14 21:41:26 -04:00
Thomas Harte	7efee9b52b	Does the bare minimum to create a class skeleton for Apple II implementation.	2018-04-14 19:46:15 -04:00