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Author SHA1 Message Date
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
Thomas Harte
7c2721d54d Adjusted number again. But we'll see. 2018-05-15 20:43:13 -04:00
Thomas Harte
8907d0a9a7 Adds a low-pass filter to the Apple II's audio. 2018-05-14 21:56:14 -04:00
Thomas Harte
6c8e6e9303
Merge pull request #443 from TomHarte/DiskGainNoise 
Ensures generation of random noise if too many zeroes exist on a disk.
 2018-05-14 20:03:52 -04:00
Thomas Harte
85c4e009f3 Undoes reformatting error. 2018-05-14 20:03:32 -04:00
Thomas Harte
76802b5e38 Eliminates arc4random. 
It seems not to be as portable as I'd hoped.
 2018-05-14 20:01:20 -04:00
Thomas Harte
9f2f388e5a Ensures generation of random noise if too many zeroes exist on a disk surface. 2018-05-14 19:17:34 -04:00
Thomas Harte
729f53d84f
Goes explicit with the Apple II. 2018-05-14 09:43:24 -04:00
Thomas Harte
d2d7ab5d04
Merge pull request #441 from TomHarte/AppleDSKFixes 
Corrects various Apple DSK handling errors.
 2018-05-13 22:42:21 -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
7996040f35 Rejigs segment conjugation to avoid potential accidental empty byte. 2018-05-13 22:30:44 -04:00
Thomas Harte
0055efb720 Corrects failure of expression in track size expansion. 2018-05-13 22:29:36 -04:00
Thomas Harte
dfa5eef20d Switches the command to issue to capitals; the Pravetz redefines lowercase as non-Latin. 2018-05-13 19:30:44 -04:00
Thomas Harte
3053acb4f3
Merge pull request #440 from TomHarte/VapourLock 
Attempts to implement vapour lock bus behaviour.
 2018-05-13 18:55:13 -04:00
Thomas Harte
dea9892a85 Attempts to implement vapour lock bus behaviour. 2018-05-13 18:53:32 -04:00
Thomas Harte
b9b6327707
Merge pull request #439 from TomHarte/ASCII 
Eliminates all non-ASCII codes from all crossplatform code
 2018-05-13 16:06:08 -04:00
Thomas Harte
84ae2964fd Switches to explicit unicode entry points. 2018-05-13 16:02:46 -04:00
Thomas Harte
149b940f84 Commutes the pound sign to a proper unicode value. 2018-05-13 15:50:56 -04:00
Thomas Harte
7226d8d4f7 Eliminates all instances of µ. 2018-05-13 15:46:14 -04:00
Thomas Harte
ad9b0cd4e3 Eliminates all endashes. 2018-05-13 15:43:03 -04:00
Thomas Harte
484e640d43 Removes stray non-ASCII typo. 2018-05-13 15:37:35 -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
72e07d4e83
Merge pull request #438 from TomHarte/OricTyper 
Corrects Oric text pasting.
 2018-05-13 14:14:13 -04:00
Thomas Harte
2252c29495 Switches the Oric to string insertion at the time of consumption. 
To avoid issues around keyboard scanning being decoupled from consumption via IRQ, but not buffered. Keys pressed while BASIC is otherwise busy are just lost.
 2018-05-13 14:02:46 -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
8f1a516a2c
Merge pull request #437 from TomHarte/AppleIIPaste 
Implements `type_string` for the Apple II.
 2018-05-13 11:32:45 -04:00
Thomas Harte
a6b8e88406 Implements type_string for the Apple II. 2018-05-13 11:30:04 -04:00
Thomas Harte
c19b50619f
Merge pull request #436 from TomHarte/MacPaste 
Corrects Mac paste pathway.
 2018-05-13 11:14:59 -04:00
Thomas Harte
3747d96b22 Corrects Mac paste pathway. 
Also updates documentation around CSOpenGLView.
 2018-05-13 11:12:03 -04:00
Thomas Harte
8b23a08fc4
Merge pull request #434 from TomHarte/RelaxedParsing 
Removes requirement for correct sector epilogues.
 2018-05-12 23:39:22 -04:00
Thomas Harte
3fdefb94e4 Removes requirement for correct sector epilogues. 
It's now a length test that at present accepts 6-and-2 sectors only.
 2018-05-12 23:03:08 -04:00
Thomas Harte
49592ebaf3 Ensures initialisation of scanner and that sectors overlapping the end of track are captured. 2018-05-12 18:42:07 -04:00
Thomas Harte
f410dcb3f3 Ensures proper test: not having a number of sectors that is a multiple of the track count. 2018-05-12 18:05:33 -04:00
Thomas Harte
bd27f61a03 Corrects various impossible-in-real-life compiler warnings. 2018-05-12 18:02:16 -04:00