Thomas Harte
98a9d57c0b
Imputes the alignment requirement for CAS headers.
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Also stops adding a spurious 0xff as the final byte on the tape.
2017-12-29 10:42:18 -05:00
Thomas Harte
c481293aca
Liberalises CAS interpretation.
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It seems to be an even weirder file format than I thought; it can contain only ROM-formatted data but seemingly often contains blobs that the ROM cannot write.
2017-12-29 09:56:58 -05:00
Thomas Harte
5fd0a2b9ea
Attempts to pull reimplementations of TAPION and TAPIN better into line with originals.
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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.
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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
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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.
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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
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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.
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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
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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.
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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
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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.
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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
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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
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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
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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
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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.
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Thereby corrects sprites on line 0.
2017-12-12 21:35:33 -05:00
Thomas Harte
da57df55e8
Merge pull request #315 from TomHarte/MSX
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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
