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Author SHA1 Message Date
Thomas Harte
da4d883321 Adds first, incomplete attempts to talk to a ScanTarget from the CRT. 
Does away with the hassle of `unsigned` while I'm here; that was a schoolboy error.
 2018-11-03 19:58:44 -04:00
Thomas Harte
373820f080 Attempts to establish interface to decouple scan output from generation. 
Restores some functionality that had dropped out in the interim: diagonal scans, decoupling of scan scaling from timing of the composite subcarrier.
 2018-10-30 21:50:35 -04:00
Thomas Harte
6e517983b9 Merge branch 'master' into ScanTarget 2018-10-30 18:15:55 -04:00
Thomas Harte
b9a752fda1
Merge pull request #580 from TomHarte/NameInitialisation 
Ensures offset and flags are initialised to 0.
 2018-10-29 22:10:28 -04:00
Thomas Harte
f65d80b7d1 Ensures offset and flags are initialised to 0. 
This prevents a potential crash at startup.
 2018-10-29 22:09:32 -04:00
Thomas Harte
4701aa149a Adds first draft of an interface to separate CRT logic from the GPU-side stuff. 2018-10-29 22:08:17 -04:00
Thomas Harte
0d051502e2
Merge pull request #579 from TomHarte/MasterSystemOfficial 
Promotes the Master System to full mention.
 2018-10-26 21:25:09 -04:00
Thomas Harte
2e28a8e51c Promotes the Master System to full mention. 2018-10-26 21:24:40 -04:00
Thomas Harte
4af0b74a42
Merge pull request #578 from TomHarte/SMSBIOSFallback 
Attempts to carry on even if no BIOS is found.
 2018-10-26 21:20:43 -04:00
Thomas Harte
d1fc39d6e5 Attempts to carry on even if no BIOS is found. 2018-10-26 21:19:16 -04:00
Thomas Harte
4f0d324a6b
Merge pull request #577 from TomHarte/9918RandomStart 
(Mostly) randomises the 9918 start position.
 2018-10-26 21:10:54 -04:00
Thomas Harte
8652d8b23d (Mostly) randomises the 9918 start position. 2018-10-26 21:02:56 -04:00
Thomas Harte
e02aa885d8 Testing against the ColecoVision suggests this is probably always 7. 2018-10-26 20:59:12 -04:00
Thomas Harte
1fc9356796
Merge pull request #576 from TomHarte/CRAMDots 
Adds display of CRAM dots and enforces VRAM delays.
 2018-10-26 20:32:00 -04:00
Thomas Harte
bb09762029 Introduces extra delays to VRAM access. 2018-10-26 20:19:08 -04:00
Thomas Harte
05a5c7120e Shunts CRAM dots into their proper place. 2018-10-26 20:06:51 -04:00
Thomas Harte
521d603902 Adds a first attempt at CRAM dot output. With a TODO. 2018-10-26 19:26:46 -04:00
Thomas Harte
916710353a Makes it explicit that I want the reference. 2018-10-25 23:18:34 -04:00
Thomas Harte
53b00dea3f Adds missing include. 2018-10-25 23:12:41 -04:00
Thomas Harte
0587b9f257 Edges to within millimetres of CRAM dots. 
... but all the way up to bedtime.
 2018-10-25 23:12:03 -04:00
Thomas Harte
9621ba59ae
Merge pull request #574 from TomHarte/MulticolourMode 
Fixes broken implementation of 9918 multicolour mode.
 2018-10-24 22:41:18 -04:00
Thomas Harte
5accd8cf08 Fixes broken implementation of 9918 multicolour mode. 2018-10-24 22:40:38 -04:00
Thomas Harte
38c130df2b
Merge pull request #573 from TomHarte/SmallKeyboard 
Extends the concept of a 'keyboard' to sets of keys less than a full keyboard in size
 2018-10-24 22:32:55 -04:00
Thomas Harte
8730ffb4e2 Restores multi-machine keyboard propagation. 2018-10-24 22:20:58 -04:00
Thomas Harte
a8645f80bf Introduces 'non-exclusive' emulator-space keyboards. 
i.e. sets of keys that don't amount to an entire keyboard in the modern sense. Experimentally used by the Master System for its reset key.
 2018-10-24 21:59:30 -04:00
Thomas Harte
278585fd94
Merge pull request #572 from TomHarte/TallModeSprites 
Fixes sprite list termination in 224- and 240-line modes.
 2018-10-24 19:56:42 -04:00
Thomas Harte
d61c3a9442 Fixes sprite list termination in 224- and 240-line modes. 2018-10-24 19:53:46 -04:00
Thomas Harte
2cdeaa2575 Moves misplaced bracket. 2018-10-23 22:37:19 -04:00
Thomas Harte
286783e880 Accepts GCC's suggestion of extra clarity brackets. 2018-10-23 22:36:23 -04:00
Thomas Harte
f7b0f1af70
Merge pull request #571 from TomHarte/DisplaySelection 
Adds composite/RGB selection for the Master System.
 2018-10-23 22:32:59 -04:00
Thomas Harte
f69cb28933 Reverts accidental project configuration change. 2018-10-23 22:32:05 -04:00
Thomas Harte
e3fd63b2d7 Adds composite/RGB selection for the Master System. 2018-10-23 22:30:24 -04:00
Thomas Harte
6cb956d1d6
Merge pull request #570 from TomHarte/TecToyEtc 
Separates request for an SMS2 VDP from current graphics mode.
 2018-10-23 22:20:11 -04:00
Thomas Harte
00e7958a97 Separates request for an SMS2 VDP from current graphics mode. 
Thereby fixes various minor segments of Codemasters games.
 2018-10-23 22:19:45 -04:00
Thomas Harte
cba8e6814f
Merge pull request #569 from TomHarte/224px 
Adds 'full' support for 224- and 240-line SMS modes
 2018-10-23 21:22:19 -04:00
Thomas Harte
2f995eb622 Adjusts vertical timing for display height. 2018-10-23 21:20:44 -04:00
Thomas Harte
90fbad0f1c Implements SMS2-style addressing if in a 224 or 240-line mode. 
This isn't quite accurate, but it'll do for development.
 2018-10-23 20:30:08 -04:00
Thomas Harte
2cbd28478d Allows the sprite terminator to be specified. 2018-10-23 20:01:47 -04:00
Thomas Harte
7eeefd2602 Ensures LOGs look like statements even in release builds. 2018-10-22 22:37:11 -04:00
Thomas Harte
1331457314
Merge pull request #567 from TomHarte/VDPDelay 
Slightly adjusts pixel output time.
 2018-10-22 22:10:47 -04:00
Thomas Harte
7855145ebd Slightly adjusts pixel output time. 
i.e. respective to reading; sprite collision times now seem correct.
 2018-10-22 19:58:33 -04:00
Thomas Harte
6ab30e9cac
Adds a mention of the Master System. 
Given that Mac users are only one constituency now; others are directly tracking the repository.
 2018-10-22 13:47:43 -04:00
Thomas Harte
027e9c7816
Merge pull request #563 from TomHarte/ResizeCrash 
Corrects likely crash shortly after starting a TMS9918 or derivative
 2018-10-22 10:19:20 -04:00
Thomas Harte
7c65cfd932 Adds default values for WriteArea. 2018-10-21 21:18:54 -04:00
Thomas Harte
883680731a Uses explicit state to determine whether a pixel target has been requested. 2018-10-21 21:18:41 -04:00
Thomas Harte
fb3171f366
Merge pull request #562 from TomHarte/TimingTweaks 
Corrects residual Master System interrupt timing issues.
 2018-10-21 18:47:25 -04:00
Thomas Harte
c07f9fed99 Corrects test and implementation to pass the exhaustive VDP interrupt prediction test. 2018-10-21 18:42:49 -04:00
Thomas Harte
616777517d Makes the failing test more communicative, in the hope of more easily debugging errors. 2018-10-21 14:35:44 -04:00
Thomas Harte
b3f1677da5 Introduces new failing test for rational continuous interrupt prediction. 2018-10-21 13:59:14 -04:00
Thomas Harte
16f08eb654 Slightly tweaks Master System timing numbers. 2018-10-21 13:58:34 -04:00