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Author SHA1 Message Date
Thomas Harte
fd10c42433
Merge pull request #263 from TomHarte/WriteableDSK 
Makes CPC-style .DSK files writeable
 2017-11-03 21:59:06 -04:00
Thomas Harte
794437f20f Corrects fixed buffer size error in FileHolder::check_signature. 2017-11-03 21:43:31 -04:00
Thomas Harte
23d5849cda Attempts to map recognised [M]FM errors back to FDC status codes. 2017-11-03 21:29:42 -04:00
Thomas Harte
5070a8414f Improves FileHolder documentation 2017-11-03 21:29:15 -04:00
Thomas Harte
5a3ca0e447 Adds output for modified CPC DSKs. 2017-11-03 21:10:22 -04:00
Thomas Harte
e384c50580 Switches FileHolder to have a usage much closer to FILE *. 
Thereby opens a route for file format implementations such as that appearing for CPC DSK that create an in-memory copy and perform a full rewrite.
 2017-11-02 22:32:00 -04:00
Thomas Harte
b9734278f6
Provides an up-front evaluation of performance versus objectices via README.MD. 2017-11-02 12:22:27 -04:00
Thomas Harte
f807a6b608 Generalises the concept of multiple samplings of an FM/MFM sector, simplifying CPC DSK support and paving the way for generic weak/fuzzy bit support. 2017-10-31 21:32:28 -04:00
Thomas Harte
833f8c02a4 Switches the CPC DSK implementation to building an in-memory version of the structure up front. 
Preparatory to making these things writeable.
 2017-10-31 19:41:16 -04:00
Thomas Harte
0248c6a282 Merge pull request #262 from TomHarte/BookEnds 
Adds a facility for 'bookending' data runs, eliminating an occasional Electron rendering error
 2017-10-23 18:36:54 -04:00
Thomas Harte
218b976dbc Adds through route for setting a texture bookender, and exploits it from the Electron. 2017-10-23 18:35:37 -04:00
Thomas Harte
513903890e Corrects definition of Bookender and provides the default implementation. 2017-10-22 17:24:41 -04:00
Thomas Harte
1157bde453 Sketches interface for a GPU data bookender, to avoid stray errors with packed pixel formats. 2017-10-22 10:48:10 -04:00
Thomas Harte
46345c6a3e Merge pull request #261 from TomHarte/UIntCasts 
Continues the process of conversion to functional casts.
 2017-10-21 22:53:14 -04:00
Thomas Harte
c13f8e5390 Corrects a couple of cast conversion errors. 2017-10-21 22:42:19 -04:00
Thomas Harte
ad9df4bb90 Commutes uint8_t *, uint16_t *, uint32_t *, size_t, off_t and long to functional-style casts. 2017-10-21 22:30:15 -04:00
Thomas Harte
e983854e71 Converts all uint8_t and uint16_t casts to the functional style. 2017-10-21 21:50:53 -04:00
Thomas Harte
ec999446e8 Commutes int and unsigned casts to the functional style. 2017-10-21 21:00:40 -04:00
Thomas Harte
5e3e91373a Switches all unsigned int and double casts to functional style. 2017-10-21 19:49:04 -04:00
Thomas Harte
c52348d8d7 Merge pull request #260 from TomHarte/KeyboardCleanup 
Cleans up after keyboard formalisation.
 2017-10-21 10:53:46 -04:00
Thomas Harte
9e0907ee76 Completes clean-up of post-formalisation per-machine keyboard code. 
At least for now. Standardising on how column + row is encoded might be helpful.
 2017-10-21 10:52:35 -04:00
Thomas Harte
9ad4025138 Relocates things that were in Machines/ for machine usage. 
Leaving only those things intended to be visible interface.
 2017-10-21 10:30:02 -04:00
Thomas Harte
405f58d6a3 Corrects write guard names. 2017-10-21 10:21:40 -04:00
Thomas Harte
afbd1c425c Merge pull request #259 from TomHarte/Vic20Keyboard 
Consolidates Vic-20 keyboard code.
 2017-10-19 22:28:11 -04:00
Thomas Harte
b2c1b83fcd Consolidates Vic-20 keyboard code. 2017-10-19 22:27:30 -04:00
Thomas Harte
8d2b9a581a Merge pull request #256 from TomHarte/UniversalInput 
Standardises the host-side interface for joystick and keyboard input
 2017-10-19 22:15:47 -04:00
Thomas Harte
1825af0dd3 Eliminates dead code in the Vic-20 and Inputs::Joystick. 2017-10-19 22:15:21 -04:00
Thomas Harte
c2f6799f0c Implements Vic-20 restore key. 2017-10-19 22:02:34 -04:00
Thomas Harte
b5b6219cb7 Slightly simplifies TextureBuilder arithmetic. 2017-10-19 22:02:00 -04:00
Thomas Harte
185a699279 Fixes off-by-one keyboard state accumulation error. 2017-10-19 22:01:24 -04:00
Thomas Harte
96b8f9ae9f Merge branch 'master' into UniversalInput 2017-10-17 22:54:17 -04:00
Thomas Harte
88e2350b8f Prevents undefined behaviour from the CPC's timer. 2017-10-17 22:53:52 -04:00
Thomas Harte
5c141af734 Prevents undefined behaviour from the CPC's timer. 2017-10-17 22:40:32 -04:00
Thomas Harte
da580e4186 Merge branch 'master' into UniversalInput 2017-10-17 22:36:22 -04:00
Thomas Harte
57ee09dffb Merge pull request #258 from TomHarte/UndefinedBehaviour 
Corrects large swathes of undefined behaviour
 2017-10-17 22:35:59 -04:00
Thomas Harte
7c8e830b90 Adjusted the Acorn tape parser to avoid signed left shifts. 2017-10-17 22:34:49 -04:00
Thomas Harte
ba5f668338 Ensured full CRT instance initialisation. 2017-10-17 22:34:10 -04:00
Thomas Harte
2c1e99858b Fixed HalfCycles to allow conversion from Cycles without relying on undefined behaviour. 
Specifically: left shifting a negative number.
 2017-10-17 22:22:51 -04:00
Thomas Harte
7f2febeec9 Ensures complete DPLL initial state assignment. 2017-10-17 22:13:37 -04:00
Thomas Harte
2d7a4fe5f0 Switches the MFM shifter to unsigned accumulation. 
Since left shifting signed numbers is undefined behaviour.
 2017-10-17 22:12:04 -04:00
Thomas Harte
91b867a7b3 Ensures full 8272 instance state initialisation. 2017-10-17 22:11:01 -04:00
Thomas Harte
3944e734d3 Ensures full 6845 instance state initialisation and uses an unsigned shifter. 2017-10-17 22:10:28 -04:00
Thomas Harte
ce78d9d12c Introduces buffer alignment when writing to textures. 
To avoid cross-boundary writes and hopefully to eke out a little better performance.
 2017-10-17 22:09:48 -04:00
Thomas Harte
edbc60a3fb Various undefined behaviour fixes. 
Primarily around uninitialised variables, but also with an attempted use of a negative pointer.
 2017-10-17 21:29:19 -04:00
Thomas Harte
6ea3ff62df Merge branch 'master' into UniversalInput 2017-10-17 21:28:40 -04:00
Thomas Harte
88959571f1 Merge pull request #257 from TomHarte/CPMReading 
Corrects CPM reader buffer overwrites
 2017-10-17 20:54:02 -04:00
Thomas Harte
b4583e976e Corrects buffer overwrites resulting from failure to treat a number of records of 0x80 as a special case. 2017-10-17 20:52:16 -04:00
Thomas Harte
92d9805f09 Removes dead Objective-C protocol references. 2017-10-17 20:51:40 -04:00
Thomas Harte
0c2dd62328 Various undefined behaviour fixes. 
Primarily around uninitialised variables, but also with an attempted use of a negative pointer.
 2017-10-17 20:50:46 -04:00
Thomas Harte
3f4d90d775 Corrects buffer overwrites resulting from failure to treat a number of records of 0x80 as a special case. 2017-10-17 20:49:12 -04:00