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Author SHA1 Message Date
Thomas Harte
0ccc104027 Corrects start sector and track interleaving for MSX DSK. 
MSX DSKs start with sector 1; Acorn disks still begin with sector 0. Also it turns out that MSX DSKs are indeed interleaved.
 2018-01-07 21:59:18 -05:00
Thomas Harte
8be6cb827b Implements MSX interrupt/data request reading register. 
The disk ROM now appears to accept on-disk bytes, but still announces an IO failure.
 2018-01-07 20:28:34 -05:00
Thomas Harte
2f59226300 Fixes: DiskROM drive motor control, track_for_sectors' sides. 2018-01-07 20:02:40 -05:00
Thomas Harte
793ef68206 Implements unconditional force interrupt for the WD. 2018-01-07 19:42:38 -05:00
Thomas Harte
513c067f94 Makes an attempt to rope in the WD1770 for MSX disk ROM emulation. 2018-01-07 19:12:52 -05:00
Thomas Harte
999a0c22d4 Adds superficial support for MSX .DSK. 
In the sense that the file format itself is properly parsed, but the MSX doesn't actually yet have disk hardware.
 2018-01-07 16:35:57 -05:00
Thomas Harte
5d0832613f
Merge pull request #330 from TomHarte/SCC 
Adds emulation of the Konami SCC
 2018-01-07 07:14:05 -08:00
Thomas Harte
2ffde4c3c2 Corrects SCC volume errors. 
Which were leading to substantial overflow.
 2018-01-07 09:59:00 -05:00
Thomas Harte
57ddfcd645 Corrects AY counter type. 2018-01-06 23:16:01 -05:00
Thomas Harte
fc16e8eb8c Makes first attempt at actually implementing the SCC. 2018-01-06 23:15:42 -05:00
Thomas Harte
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
Thomas Harte
3e1d8ea082 Adds is_silent to SampleSource plus shortcut processing to CompoundSource. 2018-01-06 18:50:26 -05:00
Thomas Harte
772c320d5a
Merge pull request #329 from TomHarte/TMSTopLine 
Corrects bad TMS sprite selections on the top row of the screen.
 2018-01-06 13:26:33 -08:00
Thomas Harte
bcc7ad0c30 Corrects bad TMS sprite selections on the top row of the screen. 2018-01-06 16:26:11 -05:00
Thomas Harte
73b4e1722b
Merge pull request #328 from TomHarte/MSXROMs 
Introduces a basic attempt at MSX MegaROM support
 2018-01-06 12:55:00 -08:00
Thomas Harte
185cd3c123 Expands and documents MSX::MemoryMap and MSX::ROMSlotHandler. 
Hopefully to cover all intended use cases.
 2018-01-06 15:51:29 -05:00
Thomas Harte
ed564cb810 Implements the main four cartridge banking schemes. 
Slightly proof of concept for now.
 2018-01-04 22:18:18 -05:00
Thomas Harte
b78ece1f1e Adds an attempt to catch LD (xx), A / [CALL/JP] pairs. 
Also corrects use of std::stable_sort. Results are still largely incorrect though.
 2018-01-02 22:18:10 -05:00
Thomas Harte
c8367a017f Cleans up test and makes attempt to factor in cartridge type popularity. 2018-01-01 21:21:05 -05:00
Thomas Harte
344a12566b Tweaks a couple of expected cartridge types. 2018-01-01 20:14:56 -05:00
Thomas Harte
c07113ea95 Ensures no illegal accesses while testing MSX ROM type detection. 
Specifically: the static analyser doesn't even correctly identify everything that is an MSX ROM yet, let alone then properly determine type.
 2018-01-01 17:38:26 -05:00
Thomas Harte
bc2879c412 Corrects the MSX ROM unit test. 
I.e. the test is correct now, for those SHAs I could find. The static analyser is still wrong just slightly less than half the time.
 2018-01-01 17:35:13 -05:00
Thomas Harte
1d47b55729 Ensures the selected cartridge start address is recorded in the cartridge. 2018-01-01 16:38:49 -05:00
Thomas Harte
db25b4554b Introduces failing tests of the MSX static analyser. 2018-01-01 16:38:26 -05:00
Thomas Harte
05b95ea2e0 Corrects Xcode tests. 2018-01-01 16:04:13 -05:00
Thomas Harte
250f7bf6b0 Makes attempt to support 48kb ROMs. 2018-01-01 11:25:27 -05:00
Thomas Harte
34db35b500
Merge pull request #327 from TomHarte/Z80Disassembler 
Introduces a Z80 disassembler.
 2017-12-31 18:39:01 -08:00
Thomas Harte
f75590253d Introduces necessary header for std::sort. 2017-12-31 21:36:24 -05:00
Thomas Harte
4f6abc9059 Introduces missing header. 2017-12-31 21:34:35 -05:00
Thomas Harte
c70dbc6a49 Introduces the most basic attempt to guess MSX cartridge type. 2017-12-31 21:23:30 -05:00
Thomas Harte
1c255b9e7d Generalises some of the disassembler, and provides Z80 logic to create a [first attempt at a] Z80 disassembler. 2017-12-31 18:49:35 -05:00
Thomas Harte
188bfa9c18
Merge pull request #326 from TomHarte/TyperTermination 
Ensures typers terminate.
 2017-12-30 10:49:53 -08:00
Thomas Harte
c7f8f37822 Ensures typers terminate. 2017-12-30 13:46:30 -05:00
Thomas Harte
4a19dbb8cb
Merge pull request #325 from TomHarte/ContentTypes 
Adds document type UTIs.
 2017-12-30 10:41:14 -08:00
Thomas Harte
bf0601123b Adds some document type UTIs. 
Will need to survey all the other Mac emulators to get a complete list, I guess.
 2017-12-30 13:36:29 -05:00
Thomas Harte
9339f3413f Liberalises the end-of-file test for MSX ASCII. 
From: must be back padded with 0x1a to merely must contain 0x1a.
 2017-12-29 20:54:10 -05:00
Thomas Harte
c18517be4b Ensures that the fast loading option successfully flows from the Mac interface. 2017-12-29 19:07:22 -05:00
Thomas Harte
eef34adcbd
Merge pull request #324 from TomHarte/MSXAnalysis 
Introduces basic tape analysis for the MSX
 2017-12-29 15:45:21 -08:00
Thomas Harte
769d9dfbb9 Adds missing header. 2017-12-29 18:41:26 -05:00
Thomas Harte
6a0bb83716 Corrects typos in the SDL main. 2017-12-29 18:40:32 -05:00
Thomas Harte
6da8a3e24b Causes the MSX to respond to the appropriate standard configuration options. 2017-12-29 18:36:42 -05:00
Thomas Harte
e349161a53 Rejigs the typing relationship so that use of a typer is not strongly implied by the interface. 
Simultaneously implements typing on the MSX by direct insertion into the key buffer.
 2017-12-29 18:30:46 -05:00
Thomas Harte
d5b1a9d918 Moves the typer functionality behind a functionality-based naming scheme, eliminates its C-style memory management. 2017-12-29 15:26:03 -05:00
Thomas Harte
76af0228dd Corrects longstanding survival of camel case in the analyser's loadingCommand. 2017-12-29 15:15:29 -05:00
Thomas Harte
2cc1a2684a Introduces [over-]analysis of cassette contents prior to starting the MSX, and simplifies ROM checking. 
So a proper loading command is now known.
 2017-12-29 15:11:10 -05:00
Thomas Harte
98a9d57c0b Imputes the alignment requirement for CAS headers. 
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. 
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. 
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