Thomas Harte
|
a776bec46a
|
Tweaks PAL colours for the 6560 to be closer to screenshots found online.
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2018-03-26 19:02:16 -04:00 |
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Thomas Harte
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a301964bd0
|
Ensures all audio queues are fully merged before machine destruction.
Thereby avoids a race condition.
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2018-03-22 21:59:19 -04:00 |
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Thomas Harte
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48737a32a7
|
Introduces formal setting of the output volume to SampleSource.
Previously every output device was making its own decision. Which is increasingly less sustainable due to the CompoundSource.
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2018-03-09 13:23:18 -05:00 |
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Thomas Harte
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705d53cc21
|
Picks a phase for the TMS empirically.
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2018-03-03 13:53:00 -05:00 |
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Thomas Harte
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3c5a8d9ff3
|
Adds Super Game Module support for the ColecoVision.
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2018-03-03 13:08:33 -05:00 |
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Thomas Harte
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ea13c7dd32
|
Implements multicolour mode on the TMS.
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2018-03-02 23:08:01 -05:00 |
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Thomas Harte
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86239469e7
|
Allows SN76489 consumers to apply an additional divider that reduces computation.
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2018-03-01 18:51:05 -05:00 |
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Thomas Harte
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7890506b16
|
Gives the SN76489 its proper dividers and personalities.
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2018-02-28 22:36:03 -05:00 |
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Thomas Harte
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5b854d51e7
|
Corrects out-of-bounds access.
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2018-02-27 22:45:45 -05:00 |
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Thomas Harte
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d4df101ab6
|
Makes a first attempt at implementing the SN76489.
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2018-02-27 22:25:12 -05:00 |
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Thomas Harte
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0ad2676640
|
Adds a class for the SN76489 and wires it into the ColecoVision.
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2018-02-26 22:04:34 -05:00 |
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Thomas Harte
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cabad6fc05
|
Optimises the inner TMS loops slightly.
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2018-02-21 21:29:17 -05:00 |
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Thomas Harte
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2fe0ceb52a
|
Sets TMS input gamma.
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2018-01-13 22:19:41 -05:00 |
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Thomas Harte
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2f59226300
|
Fixes: DiskROM drive motor control, track_for_sectors' sides.
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2018-01-07 20:02:40 -05:00 |
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Thomas Harte
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793ef68206
|
Implements unconditional force interrupt for the WD.
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2018-01-07 19:42:38 -05:00 |
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Thomas Harte
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2ffde4c3c2
|
Corrects SCC volume errors.
Which were leading to substantial overflow.
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2018-01-07 09:59:00 -05:00 |
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Thomas Harte
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57ddfcd645
|
Corrects AY counter type.
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2018-01-06 23:16:01 -05:00 |
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Thomas Harte
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fc16e8eb8c
|
Makes first attempt at actually implementing the SCC.
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2018-01-06 23:15:42 -05:00 |
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Thomas Harte
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655b971976
|
Establishes that there is such as a thing as a Konami SCC.
Creates one, ensures it appears in memory when intended to, lets it handle reads and writes. It currently does nothing.
|
2018-01-06 20:15:55 -05:00 |
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Thomas Harte
|
bcc7ad0c30
|
Corrects bad TMS sprite selections on the top row of the screen.
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2018-01-06 16:26:11 -05:00 |
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Thomas Harte
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2dc1d4443e
|
Separates LowpassFilter and SampleSource.
|
2017-12-18 21:39:23 -05:00 |
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Thomas Harte
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f8a2459c91
|
Corrects two lingering adaptation errors in the Vic-20.
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2017-12-17 21:43:08 -05:00 |
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Thomas Harte
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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 |
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Thomas Harte
|
ec4c259695
|
Removes unused file.
|
2017-12-14 21:19:09 -05:00 |
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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 |
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Thomas Harte
|
3da323c657
|
Corrects lingering free TMS read.
|
2017-12-14 20:30:56 -05:00 |
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Thomas Harte
|
aca7842ca4
|
Better documents and tidies the TMS9918.
|
2017-12-14 20:27:26 -05:00 |
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Thomas Harte
|
c36de4f640
|
Attempts real VRAM access timings, correcting a frame timing error as I go.
|
2017-12-13 22:37:27 -05:00 |
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Thomas Harte
|
5d0c33d545
|
Corrects occasional TMS sprite glitching.
|
2017-12-12 22:19:33 -05:00 |
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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
|
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 |
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Thomas Harte
|
b3fbd0f352
|
Tidies up some of the TMS' magic constants.
|
2017-12-09 23:08:07 -05:00 |
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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 |
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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 |
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Thomas Harte
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7a544731e2
|
Makes minor tidiness improvements to the TMS.
|
2017-12-08 22:20:21 -05:00 |
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Thomas Harte
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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 |
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Thomas Harte
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8653eb8b55
|
Corrects various latent errors in optimised TMS video collection.
|
2017-12-06 20:24:29 -05:00 |
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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 |
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Thomas Harte
|
6eedc99286
|
Makes substantial optimisations to text mode.
Character optimisations to come.
|
2017-12-04 22:18:51 -05:00 |
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Thomas Harte
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a473338abe
|
Makes minor type conversion fixes.
|
2017-12-03 22:24:48 -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
|
fe0cdc8d69
|
Corrects colour fetching in TMS Graphics II to be a function of row.
|
2017-12-02 16:10:29 -05:00 |
|
Thomas Harte
|
ca26ce8400
|
Slightly corrects style errors in the Cartridge hierarchy, and introduces mapping of .ROM to the MSX when appropriate.
|
2017-12-02 16:01:30 -05:00 |
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Thomas Harte
|
d3dd8f3f2a
|
Implements screen 2 addressing.
|
2017-12-02 14:05:52 -05:00 |
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Thomas Harte
|
3c8d2d579d
|
Resolves remaining sources of text mode instability.
|
2017-11-30 22:48:07 -05:00 |
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Thomas Harte
|
edcbb3dfed
|
Tidies code a little and thereby uncovers and corrects one cause of output instability.
|
2017-11-30 22:19:53 -05:00 |
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Thomas Harte
|
9c8158753e
|
Makes a first attempt at displaying text mode.
|
2017-11-30 21:35:26 -05:00 |
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Thomas Harte
|
ee84f33ab5
|
Ensures that the 9918 admits that it is the source of interrupts.
|
2017-11-29 21:33:43 -05:00 |
|
Thomas Harte
|
aa4eef41d8
|
Seeks to introduce MSX interrupts.
|
2017-11-29 20:31:55 -05:00 |
|
Thomas Harte
|
ecd7d4731b
|
Advances emulation to showing what looks like appropriate text on screen.
|
2017-11-28 21:27:15 -05:00 |
|
Thomas Harte
|
563aa051e4
|
Simplifies code a little and gives something on screen.
|
2017-11-28 21:19:28 -05:00 |
|
Thomas Harte
|
642bb8333f
|
Introduces something of a first attempt at graphics collection and display. An unsuccessful attempt.
|
2017-11-28 21:10:30 -05:00 |
|
Thomas Harte
|
c558e86e03
|
Adds border colour output.
|
2017-11-27 22:05:40 -05:00 |
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Thomas Harte
|
dbb14ea2e2
|
Corrects counting deficiencies that could produce an unstable display.
|
2017-11-27 21:36:12 -05:00 |
|
Thomas Harte
|
173e16b107
|
Corrects the 9918 so that it terminates.
|
2017-11-27 19:48:04 -05:00 |
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Thomas Harte
|
7d2adad67e
|
Adds the absolute most basic version of in-frame time keeping, to display a white square.
|
2017-11-27 19:43:33 -05:00 |
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Thomas Harte
|
d33612def5
|
Ensures the MSX provides a clock to the VDP.
|
2017-11-26 20:07:30 -05:00 |
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Thomas Harte
|
9cb6ca3440
|
Adds elementary decoding of VDP accesses.
|
2017-11-26 20:01:11 -05:00 |
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Thomas Harte
|
0eb5dd9688
|
Introduces the fundamentals of bus routing for the MSX.
|
2017-11-26 16:47:59 -05:00 |
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Thomas Harte
|
a14b53a9ab
|
Adds a TMS9918 skeleton plus enough in the MSX to get to a blank screen in SDL/kiosk mode.
|
2017-11-26 13:28:26 -05:00 |
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Thomas Harte
|
c827d14d97
|
Corrects various GCC warnings across the 6560, CPC, TIA, Oric video and elsewhere.
|
2017-11-12 17:17:27 -05:00 |
|
Thomas Harte
|
5408efe9b5
|
Flags obvious default options within the 6560, Vic-20 and DynamicMachine.
|
2017-11-12 16:41:09 -05:00 |
|
Thomas Harte
|
6d80856f02
|
Attempts to eliminate warnings around a meaningless value and an unused label in the 8272.
|
2017-11-12 16:34:51 -05:00 |
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Thomas Harte
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4778616fd7
|
Eliminates unused result and unused label.
|
2017-11-12 16:30:23 -05:00 |
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Thomas Harte
|
5aef81cf24
|
Commutes cross-platform #pragma marks to //MARK:s.
|
2017-11-12 15:59:11 -05:00 |
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Thomas Harte
|
2e15fab651
|
Doubles down on <cX> over <X.h> for C includes, and usage of the namespace for those types and functions.
|
2017-11-11 15:28:40 -05:00 |
|
Thomas Harte
|
5b6ea35d96
|
Corrects initialisation ordering for the ZX80/81, C1540 and AY-3-8910.
|
2017-11-10 22:31:27 -05:00 |
|
Thomas Harte
|
4cbc87a17d
|
Corrects out-of-order initialisations for the 1770, Atari 2600 joystick, Pitfall II bus extender, Microdisc and 6502.
|
2017-11-10 22:20:44 -05:00 |
|
Thomas Harte
|
ff7ba526fb
|
Corrects improper initialisation order on the 6560.
|
2017-11-10 22:05:35 -05:00 |
|
Thomas Harte
|
cb015c83e1
|
Eliminated C99-style struct initialisations.
|
2017-11-10 19:14:19 -05:00 |
|
Thomas Harte
|
c0055a5a5f
|
Further builds up SConstruct, correcting many missed imports and a couple of improper uses of C99 in C++ code.
|
2017-11-09 22:04:49 -05:00 |
|
Thomas Harte
|
f95515ae81
|
Eliminates a large number of instance of end-of-line tabs.
|
2017-11-07 22:51:06 -05:00 |
|
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
|
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
|
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
|
97a2be71e3
|
Introduces flush_tracks to Drive, while switching its interface to using Track::Address and adjusting associated integer types.
|
2017-10-06 21:45:12 -04:00 |
|
Thomas Harte
|
edb9fd301c
|
Begins this project's conversion to functional-style casts.
|
2017-10-03 22:04:15 -04:00 |
|
Thomas Harte
|
c7f27b2db4
|
Renames MFM.[c/h]pp as per its new remit: encoding only.
|
2017-09-24 21:40:43 -04:00 |
|
Thomas Harte
|
2a08bd9ecc
|
Factors shifting plus stateful [M]FM token recognition out of the MFMDiskController.
Given the proliferation of MFM-related classes, establishes a subdirectory for them.
|
2017-09-24 20:07:56 -04:00 |
|
Thomas Harte
|
698e4fe550
|
Tidies the Disk file hierarchy.
|
2017-09-22 22:39:23 -04:00 |
|
Thomas Harte
|
d6a5f9a29e
|
Revokes unnecessary change.
|
2017-09-16 18:24:13 -04:00 |
|
Thomas Harte
|
0d84b4b9dd
|
Removes some redundant end_writing calls.
|
2017-09-16 17:09:17 -04:00 |
|
Thomas Harte
|
98751e6ac8
|
Ensures that all result phases are exactly the intended length by replacing accumulation with assignment.
Also attempts a different version of control mark behaviour. Experiments.
|
2017-09-15 22:59:26 -04:00 |
|
Thomas Harte
|
35fe4d50d4
|
Adds command termination upon drive becoming unready, and copies head and drive selection into ST0.
|
2017-09-15 20:26:41 -04:00 |
|
Thomas Harte
|
4d4a0cf1d2
|
Puts the disk controller back into the loop with knowledge about reading mode, and uses that knowledge to cut off the PLL.
|
2017-09-14 22:30:40 -04:00 |
|
Thomas Harte
|
b62f3e726a
|
Adds a start-of-execution-phase get-out for drives that aren't ready.
|
2017-09-12 20:43:53 -04:00 |
|
Thomas Harte
|
2f13517f38
|
Adjusts the 1770 not to talk directly to the drive about motor status.
|
2017-09-11 22:10:56 -04:00 |
|
Thomas Harte
|
d3c385b471
|
Separates the 8272's drive selection signalling from actual drive ownership.
Thereby returns working motor control to the CPC.
|
2017-09-11 21:25:26 -04:00 |
|
Thomas Harte
|
96bf133924
|
Withdraws requirement for DiskController users to specify a PLL multiplier or to provide rotation speed.
In the latter case because it's no longer of any interest to the controller, and in the former because I'd rather it be picked automatically.
|
2017-09-10 22:56:05 -04:00 |
|
Thomas Harte
|
0622187ddf
|
Strips Controller of all capabilities now housed on the Drive.
|
2017-09-10 19:23:23 -04:00 |
|
Thomas Harte
|
90c7056d12
|
Started devolving timed event loop logic down to the drives, moving them closer to modelling real life.
|
2017-09-10 14:43:20 -04:00 |
|
Thomas Harte
|
ff510f3b84
|
Explicitly disallows copying of VIAs, and marks the constructor as noexcept.
|
2017-09-05 21:21:23 -04:00 |
|
Thomas Harte
|
7fd6699e0b
|
Corrects comment indentation.
|
2017-09-05 21:15:15 -04:00 |
|