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Author SHA1 Message Date
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
Thomas Harte
8653eb8b55 Corrects various latent errors in optimised TMS video collection. 2017-12-06 20:24:29 -05:00
Thomas Harte
a4f0a260fd Reformulates the TMS graphics mode fetch loop to try to eliminate heavy conditionality. Temporarily introduces some sprite selection issues. 2017-12-05 22:39:03 -05:00
Thomas Harte
d4a53e82bb Replaces manual retread of memcpy with standard memcpy. 2017-12-05 18:21:34 -05:00
Thomas Harte
6eedc99286 Makes substantial optimisations to text mode. 
Character optimisations to come.
 2017-12-04 22:18:51 -05:00
Thomas Harte
ec266d6c8e Ensures the AY stops listening to the bus after each read or write. 2017-12-04 19:18:54 -05:00
Thomas Harte
e3a5218e78 Fixes AY and random port input for the MSX. 2017-12-03 22:25:18 -05:00
Thomas Harte
a473338abe Makes minor type conversion fixes. 2017-12-03 22:24:48 -05:00
Thomas Harte
ae21782adc Corrects two Cartridge type mismatches. 2017-12-03 15:43:59 -05:00
Thomas Harte
ee44d671e7 Steps towards exposing the MSX in Cocoa builds. 2017-12-03 15:42:54 -05:00
Thomas Harte
3766bef962 Eliminates some redundant white space. 2017-12-03 14:52:42 -05:00
Thomas Harte
ad3df36c20 Corrects sprite information collection to cover all four. 2017-12-03 14:51:55 -05:00
Thomas Harte
38b11893e8 Takes first steps towards sprite display on the TMS. 2017-12-02 22:13:43 -05:00
Thomas Harte
e4534775b0 Cleans up and zooms in on the TMS slightly. 2017-12-02 17:48:31 -05:00
Thomas Harte
fe7fc6b22e Enables AY output from the MSX. 2017-12-02 16:30:43 -05:00
Thomas Harte
fe0cdc8d69 Corrects colour fetching in TMS Graphics II to be a function of row. 2017-12-02 16:10:29 -05:00