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Author SHA1 Message Date
Thomas Harte
5fd0a2b9ea Attempts to pull reimplementations of TAPION and TAPIN better into line with originals. 
Also improves whole flow of the fast tape hack that uses them.
 2017-12-28 22:48:04 -05:00
Thomas Harte
11b73a9c0b Adds preliminary, non-error-checking wiring in of MSX parser alternatives to TAPION and TAPIN. 
As both a prototype of the pending fast tape loading, and to provide for exact behaviour comparison.
 2017-12-26 22:31:34 -05:00
Thomas Harte
c4950574ea Introduces an attempted reimplementation of the MSX BIOS's two main tape reading entry points. 2017-12-26 22:19:37 -05:00
Thomas Harte
0b297f2972 Adds some appropriate costs to the tape players. 2017-12-26 22:13:28 -05:00
Thomas Harte
f9f870ad2d
Merge pull request #323 from TomHarte/MSXCAS 
Adds support for the MSX .CAS file format.
 2017-12-23 17:00:02 -08:00
Thomas Harte
cbba6a5595 Ensures final few bytes of a CAS file aren't dropped. 2017-12-23 19:54:42 -05:00
Thomas Harte
0a079b0f94 Attempts to fix failure to distinguish end-of-file. 2017-12-23 19:32:24 -05:00
Thomas Harte
9a7e974579 Corrects skipping of every other file, and transition from bytes back into header. 2017-12-23 19:20:04 -05:00
Thomas Harte
f4d414d6e4 Removes stray line break. 2017-12-23 18:42:04 -05:00
Thomas Harte
b4bfcd4279 Switches to an attempt to break the .CAS into files ahead of time. 
Hopefully the better to insert appropriate lengths of header and gap.
 2017-12-23 18:41:50 -05:00
Thomas Harte
e8ddff0ee0 Makes a first, messy, attempt at serialising CAS files into audio. 2017-12-21 22:34:03 -05:00
Thomas Harte
b61fab9df7
Merge pull request #322 from TomHarte/MSXTapes 
Introduces TSX support for the MSX.
 2017-12-20 18:43:54 -08:00
Thomas Harte
28fb1ce2ae Removes unnecessary logging. 2017-12-20 21:39:17 -05:00
Thomas Harte
b9b107ee85 Switches KeyGrave and KeyQuote, correcting a disarrangement. 2017-12-20 21:16:54 -05:00
Thomas Harte
f17758e7f9 Attempts better to deal with large numbers. 2017-12-20 21:03:24 -05:00
Thomas Harte
0bb24075b6 Immediate fixes: TSX is seemingly TZX 1.21; the tape motor control works the other way around. 
Input is not yet being recognised.
 2017-12-19 22:17:42 -05:00
Thomas Harte
db6d9b59d0 Attempts to implement TSX support for the MSX. 2017-12-19 21:53:04 -05:00
Thomas Harte
51e82c10c5
Merge pull request #321 from TomHarte/MSXKeyTaps 
Introduces the MSX keyboard toggle sample source.
 2017-12-19 18:19:42 -08:00
Thomas Harte
2d892da225 Introduces the MSX keyboard toggle sample source. 
In support of which, it also introduces a means of sample source composition.
 2017-12-19 21:08:10 -05:00
Thomas Harte
b99ba2bc02
Merge pull request #320 from TomHarte/AudioRejig 
Separates the audio pipeline into its component parts
 2017-12-18 18:50:36 -08:00
Thomas Harte
d36e9d0b0d Reintroduces cstring.h to a few files that previously got it implicitly. 2017-12-18 21:47:30 -05:00
Thomas Harte
2dc1d4443e Separates LowpassFilter and SampleSource. 2017-12-18 21:39:23 -05:00
Thomas Harte
f8a2459c91 Corrects two lingering adaptation errors in the Vic-20. 2017-12-17 21:43:08 -05:00
Thomas Harte
ac80d10cd8 Separates the component parts of running an audio stream: task deferral, filtering and generation. 
Walking towards improving opportunities for composition.
 2017-12-17 21:26:06 -05:00
Thomas Harte
eb6b612052 Adds DeferringAsyncTaskQueue as a base concurrency primitive. 2017-12-15 22:14:09 -05:00
Thomas Harte
d66a33f249
Merge pull request #319 from TomHarte/TMSTests 
Corrects a couple of lingering TMS issues and tidies it up
 2017-12-14 18:20:13 -08:00
Thomas Harte
ec4c259695 Removes unused file. 2017-12-14 21:19:09 -05:00
Thomas Harte
ad50b6b1fb Corrects TMS' get_time_until_interrupt when the next interrupt is exactly a frame away. 2017-12-14 21:12:51 -05:00
Thomas Harte
3da323c657 Corrects lingering free TMS read. 2017-12-14 20:30:56 -05:00
Thomas Harte
aca7842ca4 Better documents and tidies the TMS9918. 2017-12-14 20:27:26 -05:00
Thomas Harte
38c912b968
Merge pull request #318 from TomHarte/TMSVRAMTiming 
Attempts real VRAM access timings for the TMS9918a
 2017-12-13 19:56:56 -08:00
Thomas Harte
7a52e7d6d2 Provides an empty value for the interrupt cycle. 2017-12-13 22:44:03 -05:00
Thomas Harte
c36de4f640 Attempts real VRAM access timings, correcting a frame timing error as I go. 2017-12-13 22:37:27 -05:00
Thomas Harte
504772bcda
Merge pull request #317 from TomHarte/SpriteGlitching 
Corrects occasional TMS sprite glitching.
 2017-12-12 19:20:27 -08:00
Thomas Harte
5d0c33d545 Corrects occasional TMS sprite glitching. 2017-12-12 22:19:33 -05:00
Thomas Harte
7bc1bcd493
Merge pull request #316 from TomHarte/SpriteTopLine 
Adds one-before-the-graphics as a line for TMS video collection.
 2017-12-12 18:36:03 -08:00
Thomas Harte
b0616ee10c Adds one-before-the-graphics as a line for video collection. 
Thereby corrects sprites on line 0.
 2017-12-12 21:35:33 -05:00
Thomas Harte
da57df55e8
Merge pull request #315 from TomHarte/MSX 
Introduces very provisional MSX 1 emulation
 2017-12-12 18:30:09 -08:00
Thomas Harte
4daea1121b Gives up on C-BIOS for a while, to get to an acceptable merge point. 2017-12-12 21:19:33 -05:00
Thomas Harte
afcdd64d5e Switches to a less easy-to-confuse storage arrangement for MSX memory slots. 2017-12-11 21:09:53 -05:00
Thomas Harte
798cdba979 8255: update_outputs now affects only those ports designated as outputs. 2017-12-10 17:55:37 -05:00
Thomas Harte
f957344ac4 Corrects TMS failure to show background through tile layer. 2017-12-09 23:15:04 -05:00
Thomas Harte
b3fbd0f352 Tidies up some of the TMS' magic constants. 2017-12-09 23:08:07 -05:00
Thomas Harte
042edc72f7 Adjusts TMS declared timing so as to be in-phase with an NTSC clock, and adopts an alternative palette. 2017-12-09 22:28:34 -05:00
Thomas Harte
943418c434 Reformulates TMS sprite plotting to set the collision flag and to support magnified sprites. 2017-12-09 20:30:12 -05:00
Thomas Harte
7d7e2538bd Introduces a computationally simplified inner loop for TMS graphics modes, modelled on that for text. 2017-12-09 16:02:33 -05:00
Thomas Harte
7a544731e2 Makes minor tidiness improvements to the TMS. 2017-12-08 22:20:21 -05:00
Thomas Harte
e1914b4f16 Attempts to add a proper intermediate buffer for sprites to allow the split of collection and output. 2017-12-08 22:12:39 -05:00
Thomas Harte
202958303e Merge branch 'MSX' of github.com:TomHarte/CLK into MSX 2017-12-06 21:58:29 -05:00
Thomas Harte
57b060ac3c Updates SConstruct for the incoming MSX changes. 2017-12-06 18:56:26 -08:00