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Author SHA1 Message Date
Thomas Harte
aac3d27c10 Adds activity indicators for the BD-500 and Jasmin. 
Also slightly cleans up DiskController a little further.
 2020-01-15 23:39:15 -05:00
Thomas Harte
99122efbbc Adds a slight cool-down period on end-of-rotation. 
Along with the corresponding inactive transition of the ready signal.
 2020-01-15 23:29:52 -05:00
Thomas Harte
30e856b9e4 Renames motor_is_on_ to motor_input_is_on_ to start to disambiguate the two things. 2020-01-15 23:16:25 -05:00
Thomas Harte
91fae86e73 Factors out paging, implements a bit more of the BD500. 
That is, enough seemingly fully to work, if I force the drive to report ready.
 2020-01-15 23:15:39 -05:00
Thomas Harte
f5c194386c Ties head load to ready. 
BD-DOS no longer perpetually retries.
 2020-01-14 23:45:36 -05:00
Thomas Harte
98f7662185 Force BASIC 1.0 for the BD-500. 2020-01-14 23:33:52 -05:00
Thomas Harte
62c3720c97 Adds status register and shout-outs on other address access. 2020-01-14 23:24:11 -05:00
Thomas Harte
6b08239199 Adapts slightly; it would seem that BD-DOS disks really fill up space. 2020-01-14 23:16:06 -05:00
Thomas Harte
f258fc2971 Adds enough of a BD500 for the boot sector seemingly to load. 2020-01-14 23:15:27 -05:00
Thomas Harte
6b84ae3095 Makes the Microdisc also a DiskController, and simplifies delegate interface. 2020-01-14 22:53:27 -05:00
Thomas Harte
5dd8c677f1 Factors out from the Jasmin the stuff that I'm going to need to repeat for the BD-500. 2020-01-14 22:23:00 -05:00
Thomas Harte
1cbcd5355f Adds a detector and enumerated Byte Drive 500 disk interface type. 2020-01-14 21:55:04 -05:00
Thomas Harte
9799250f2c Updates to mention the Jasmin's ROM and list the BD-DOS. 2020-01-14 21:54:37 -05:00
Thomas Harte
ecb5807ec0 Enssures STX interprets sector sizes correctly. 2020-01-14 21:35:37 -05:00
Thomas Harte
942986aadc Insures against badly-placed locations. 2020-01-13 22:49:12 -05:00
Thomas Harte
1f539822ee Adds better support for WD-esque false sync, improves STX track patching. 2020-01-13 22:19:48 -05:00
Thomas Harte
fab35b360a Ensure an encoder is created even if no sectors are placed. 2020-01-12 22:37:00 -05:00
Thomas Harte
80fcf5b5c0
Merge pull request #724 from TomHarte/STX2 
Adds some support for the STX file format.
 2020-01-12 22:28:50 -05:00
Thomas Harte
b3b2e18c4b Ensures head and track counts are reported accurately. 2020-01-12 22:23:34 -05:00
Thomas Harte
2d233b6358 Makes a more concrete attempt at track/sector combination. 2020-01-12 22:18:31 -05:00
Thomas Harte
83ed36eb08 Add missing #include. 2020-01-12 17:56:04 -05:00
Thomas Harte
89f4032ffc Merge branch 'master' into STX2 2020-01-12 17:55:19 -05:00
Thomas Harte
8c90ec4636
Merge pull request #725 from TomHarte/FasterDPLL 
Improve DPLL implementation.
 2020-01-12 17:54:55 -05:00
Thomas Harte
514141f8c5 Eliminates the optionality of a DPLL receiver. 2020-01-12 17:45:02 -05:00
Thomas Harte
8e3a618619 Corrects Mac build, shrinks default history [back] to 3 slots. 2020-01-12 17:33:34 -05:00
Thomas Harte
6df6af09de Remove dead .cpp. 2020-01-12 17:25:59 -05:00
Thomas Harte
f42655a0fc Promote DigitalPhaseLockedLoop to a template, simplify to O(1) add_pulse. 2020-01-12 17:25:21 -05:00
Thomas Harte
f81a7f0faf Ensures prefixes are MFM encoded and decoded. 2020-01-11 22:10:41 -05:00
Thomas Harte
2b4c924399 Makes an effort to locate address and data bodies within track. 
"Not completely successful" would be the polite term.
 2020-01-09 23:28:07 -05:00
Thomas Harte
64517a02b7 Adds code to deal with sector-free tracks. 2020-01-09 21:50:32 -05:00
Thomas Harte
b4befd57a9 Advances to being able to cope with STXs with no special features whatsoever. 
Well, other than perhaps a broken data CRC. Fuzzy bits, timing differences and the stuff between sectors are all currently absent.
 2020-01-09 21:03:01 -05:00
Thomas Harte
2c742a051e
Merge pull request #723 from TomHarte/LSLTiming 
Introduces a timing test for LSL. Which already passes.
 2020-01-08 22:43:50 -05:00
Thomas Harte
6595f8f527 Introduces a timing test for LSL. Which already passes. 2020-01-08 22:35:28 -05:00
Thomas Harte
985b36da73 Starts towards STX support. 2020-01-07 23:21:32 -05:00
Thomas Harte
cdb31b1c2b
Merge pull request #721 from TomHarte/AYZero 
Ensures programmatic AY volume level 0 is completely off.
 2020-01-05 22:50:42 -05:00
Thomas Harte
6a44936a7c Ensures programmatic volume level 0 is completely off. 2020-01-05 22:44:52 -05:00
Thomas Harte
45afb13a54
Merge pull request #720 from TomHarte/Jasmin 
Adds emulation of the Oric's Jasmin disk interface.
 2020-01-05 22:13:11 -05:00
Thomas Harte
3ced31043a Makes Jasmin autoboot optional, adds a Jasmin reset key, adds the Jasmin to File -> New... . 
Also finally implements KeyNMI.
 2020-01-05 21:57:33 -05:00
Thomas Harte
7361e7ec34 Fixed: the issue was failing to propagate motor control. 
Also it seems to be incorrect to have the Jasmin paged at initial boot.
 2020-01-05 21:35:20 -05:00
Thomas Harte
533729638c It seems like Jasmin paged in at boot, and button = page back in and reset works? 
At least, that gets me a 'boot failed' error. Which is something.
 2020-01-05 20:34:15 -05:00
Thomas Harte
9f30be1c13 Attempts to implement most of a Jasmin disk interface. 
With one obvious omission: there's no way to start it? The real interface had a dedicated button, but I don't yet know what that button did. Research needed.
 2020-01-05 20:05:55 -05:00
Thomas Harte
09289f383d Makes an effort to detect Jasmin disks, and flags the target if found. 
It'll try the Jasmin only if the Microdisc check fails; this is because the latter is preferable — it automatically boots, and is much better tested in Clock Signal terms.
 2020-01-05 18:44:58 -05:00
Thomas Harte
20b25ce866
Merge pull request #719 from TomHarte/CleanUps 
Standardises on `read` and `write` for bus accesses.
 2020-01-05 13:59:02 -05:00
Thomas Harte
c1bae49a92 Standardises on read and write for bus accesses. 
Logic being: name these things for the bus action they model, not the effect they have.
 2020-01-05 13:40:02 -05:00
Thomas Harte
b3f806201b
Merge pull request #718 from TomHarte/BusErrorStack 
Adds a test and fixes for the bus error stack frame.
 2020-01-05 00:08:53 -05:00
Thomas Harte
9f2f547932 Adds and satisfies test on the function code word. 
Thanks to ijor's "68000 Address and Bus Error Stack Frame" re: contents.
 2020-01-04 23:58:07 -05:00
Thomas Harte
f0d5bbecf2 Introduces a test of stack contents after an address error. 
Fixes: stacked PC, address of fault.
 2020-01-04 23:22:07 -05:00
Thomas Harte
3d7ef43293
Merge pull request #717 from TomHarte/JSRA7 
Fixes A7-relative JSRs.
 2020-01-04 22:29:04 -05:00
Thomas Harte
4578b65487
Merge pull request #716 from TomHarte/PartialDecoding 
Clarifies IO decoding, adds YM mirrors.
 2020-01-04 22:23:22 -05:00
Thomas Harte
a28c52c250 Fixes A7-relative JSRs. 
I completely withdraw my earlier statement re: the test cases.
 2020-01-04 22:22:33 -05:00