3810 Commits

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Author	SHA1	Message	Date
Thomas Harte	928aab13dc	Introduces more granular clocking announcements to the Disk II. ... As well as making it accept the clock rate it'll actually receive, to supply to the drives, so that they spin at the proper speed.	2018-05-28 17:19:29 -04:00
Thomas Harte	f3fe711542	Attempts to reduce FDC costs.	2018-05-27 23:55:04 -04:00
Thomas Harte	db8d8d8404	Commutes Sleeper to ClockingHint::Source, making state more granular.	2018-05-27 23:17:06 -04:00
Thomas Harte	6220ccb5d3	Merge pull request #455 from TomHarte/HumptyDumpty ... Relaxes .p validation even further	2018-05-27 17:01:07 -04:00
Thomas Harte	20843305dd	Removes unused calculation of vars.	2018-05-27 13:31:30 -04:00
Thomas Harte	8f6c0f6a8d	Eliminates vars test. ... At least Humpty Dumpty is a working .p that doesn't satisfy the test.	2018-05-26 19:05:35 -04:00
Thomas Harte	ede2df7e70	Merge pull request #452 from TomHarte/NIBWriting ... Adds write support for NIBs	2018-05-25 18:40:35 -04:00
Thomas Harte	d45231c1a8	Introduces an additional validation test. ... Thereby satisfying the TODO.	2018-05-25 18:40:15 -04:00
Thomas Harte	772812b35f	Corrects improper textual reference to interface names.	2018-05-25 18:31:20 -04:00
Thomas Harte	f443fd44b5	Introduces support for writing NIBs.	2018-05-25 18:30:55 -04:00
Thomas Harte	79c60b8984	Adds necessary import for memcpy.	2018-05-24 21:58:50 -04:00
Thomas Harte	2dc2c2ce79	Merge pull request #449 from TomHarte/WOZWriting ... Implements write support for WOZ files	2018-05-24 21:48:28 -04:00
Thomas Harte	523ca3264b	Implements write support for WOZ files.	2018-05-24 21:44:31 -04:00
Thomas Harte	4036c60b45	Merge branch 'master' into WOZWriting	2018-05-24 19:01:04 -04:00
Thomas Harte	7d652e53e2	Merge pull request #450 from TomHarte/OricMicrodisc ... Corrects meaning of the Microdisc's paging control.	2018-05-24 18:58:07 -04:00
Thomas Harte	7c3dd55e5c	Corrects typo and improves exposition.	2018-05-24 18:57:35 -04:00
Thomas Harte	1b43381be0	Corrects meaning of the Microdisc's paging control.	2018-05-24 18:53:02 -04:00
Thomas Harte	8f78e5039e	Factors out track seeking.	2018-05-24 18:45:00 -04:00
Thomas Harte	57ee6d4e41	Merge branch 'master' into WOZWriting	2018-05-23 22:32:30 -04:00
Thomas Harte	2868b1eca7	Adds missing import for memcpy.	2018-05-23 22:31:35 -04:00
Thomas Harte	a4d7703efd	Adds missing #include.	2018-05-23 22:28:00 -04:00
Thomas Harte	ca4bc92c33	Adds WOZ CRC checking.	2018-05-23 22:22:17 -04:00
Thomas Harte	853261364e	Generalised CRC generation and created specific subclasses for the CCITT CRC16 and CRC32.	2018-05-23 22:21:57 -04:00
Thomas Harte	d3c5e4267f	Merge pull request #447 from TomHarte/DiskIIWriting ... Substantially improves Disk II emulation, including write support	2018-05-22 21:54:16 -04:00
Thomas Harte	086b801c29	Mildly rearranges to avoid unnecessary call.	2018-05-22 21:50:07 -04:00
Thomas Harte	f9c25372c2	Ensures cards get messaged regardless of memory area.	2018-05-22 21:49:34 -04:00
Thomas Harte	ea92363e6c	Attempts to get the Apple II to honour the AppleII::Card select constraints appropriately.	2018-05-22 20:34:59 -04:00
Thomas Harte	015f692bd3	The Disk II card now commutes Disk II sleep activity to select constraints.	2018-05-22 19:51:39 -04:00
Thomas Harte	80d34f5511	Specs out a new AppleII::Card interface. ... Doesn't yet fully implement it on the Apple II side though.	2018-05-21 20:54:53 -04:00
Thomas Harte	e482929da8	Enhances the Disk II's ability to sleep. ... Also enables Disk II sleep observation in the Oric.	2018-05-19 23:15:28 -04:00
Thomas Harte	4952657b31	Factors out physical to logical sector conversion.	2018-05-19 22:59:59 -04:00
Thomas Harte	46fae1a761	Corrected: now maps in the proper direction.	2018-05-19 22:50:33 -04:00
Thomas Harte	a09fb01d71	Makes an attempt at write support for Apple DSK files.	2018-05-19 22:30:52 -04:00
Thomas Harte	7cee3b7449	Resolves potential overflow / sign corruption.	2018-05-19 22:28:29 -04:00
Thomas Harte	8263c48a1d	Added a guarantee that the TrackSerialiser won't modify tracks it receives.	2018-05-18 23:03:28 -04:00
Thomas Harte	ed06533e60	Implements write support out of the Disk II.	2018-05-18 22:07:58 -04:00
Thomas Harte	7b7beb13a3	Eliminates the fiction of setting and getting registers. ... The Disk II seems lower level than that; it will read the data bus whenever it likes, it is the programmer's responsibility to keep up with that. It also reserves the right not to load the bus regardless of whether it receives a read or write access.	2018-05-17 21:39:11 -04:00
Thomas Harte	c46007332a	Switches to returning the shift register contents on every even read.	2018-05-17 20:18:34 -04:00
Thomas Harte	908d3b0ee5	Slightly wrong as to the details, but gets the controller trying to output. ... At an initial look, I think the shift register should end up on the data bus for all odd accesses. Need to investigate more thoroughly.	2018-05-16 22:37:22 -04:00
Thomas Harte	8a031b1137	Eliminates 'data' register as it doesn't exist; rejigs state machine command set.	2018-05-16 22:09:59 -04:00
Thomas Harte	1aba9f807e	Ensures proper upward propagation of sleeping from first start.	2018-05-16 22:07:54 -04:00
Thomas Harte	4c49963988	Switches to proper handling of the motor control and write protection. ... Per Understanding the Apple II the drive looks write protected while phase 1 is enabled.	2018-05-16 21:44:09 -04:00
Thomas Harte	821d40fe74	Reinstitutes the cap on maximum updating time.	2018-05-16 21:42:05 -04:00
Thomas Harte	6ab1cf9325	Merge pull request #446 from TomHarte/MachinePickerLayout ... Corrects various placement inconsistencies in the machine picker	2018-05-16 19:21:57 -04:00
Thomas Harte	076c0a48e9	Slightly tweaks initial size that this doesn't resize when switching to the Vic selection page.	2018-05-16 19:19:50 -04:00
Thomas Harte	fde613a5c4	Corrects various placement inconsistencies. ... Hopefully to move into line with Apple's HID standards.	2018-05-16 19:15:49 -04:00
Thomas Harte	44ad0970be	Merge pull request #445 from TomHarte/ColecoVisionDelay ... Imposes a three-cycle penalty for SN76489 access.	2018-05-16 19:06:33 -04:00
Thomas Harte	b3f4d0ed8c	Imposes a three-cycle penalty for SN76489 access. ... This is my reading of (i) the SN76489 data sheet; plus (ii) the ColecoVision schematic.	2018-05-16 19:06:03 -04:00
Thomas Harte	bfdd3468ea	Merge pull request #444 from TomHarte/AppleAudio ... Introduces a low-pass filter for the Apple II	2018-05-15 21:33:52 -04:00
Thomas Harte	f7decd80b6	As an initial step, ensured latency doesn't pile up endlessly.	2018-05-15 21:12:43 -04:00