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Author SHA1 Message Date
Thomas Harte
7e31658932 Remove accidental commit. 2021-10-26 21:49:32 -07:00
Thomas Harte
5ebc59dd1f Introduce additional test cases. 2021-10-26 20:58:38 -07:00
Thomas Harte
b10f5ab110 Apply A mask when loading into barrel shifter. 2021-10-26 20:02:28 -07:00
Thomas Harte
b4286bb42b Modulos are subtracted in descending mode. 2021-10-26 07:21:51 -07:00
Thomas Harte
4d7ce3792f Use additional test cases. 2021-10-25 21:48:43 -07:00
Thomas Harte
76767da300 Undo accidental change. 2021-10-25 21:48:19 -07:00
Thomas Harte
dc8701a929 Introduce some additional Blitter test cases. 2021-10-25 21:40:20 -07:00
Thomas Harte
139d35c6f9 Switches to basic use of sprite shifters. 2021-10-25 20:58:48 -07:00
Thomas Harte
cb24457b4a Starts on a two-at-a-time sprite shifter. 2021-10-25 16:30:30 -07:00
Thomas Harte
9f3efb7f05 Limits graphical output to [all but one bit] of the display window. 2021-10-25 14:12:23 -07:00
Thomas Harte
e6001e0f22 Shifts bitplanes irrespective of output window. 2021-10-25 13:59:39 -07:00
Thomas Harte
c6535bf035 Switches bitplane shifter to returning four high-res pixels at a time. 2021-10-25 13:34:36 -07:00
Thomas Harte
7118a515e0 Reduce logging in trustworthy areas. 2021-10-23 20:36:41 -07:00
Thomas Harte
952451c9b8 Add mouse input. 2021-10-23 20:17:13 -07:00
Thomas Harte
610327a04e Fix sprite H start bit order. 2021-10-22 23:20:20 -07:00
Thomas Harte
2121e32409 Fix sprite bit ordering. 2021-10-22 21:10:01 -07:00
Thomas Harte
7ec21edc2f Attempts to hack in some form of sprite display. 2021-10-22 19:51:10 -07:00
Thomas Harte
003162f710 Limit to specific purpose. 2021-10-22 16:16:19 -07:00
Thomas Harte
040ac93042 Takes a shot at the vertical stuff of sprite DMA. 2021-10-22 14:32:59 -07:00
Thomas Harte
b489ba3d0d Adds sprite DMA windows. 2021-10-22 13:07:20 -07:00
Thomas Harte
c5e8b547af Captures the attach flag and observes activation rule. 2021-10-22 11:21:58 -07:00
Thomas Harte
e67de90ad0 Starts to bring sprites inside DMADevice orthodoxy. 2021-10-21 21:57:46 -07:00
Thomas Harte
c3c84c88a1 Switch to ahead-of-time planar to chunky conversion. 2021-10-21 20:48:57 -07:00
Thomas Harte
0dc9c4cee1 Undo hard-coding of fetch window. 2021-10-19 15:18:39 -07:00
Thomas Harte
544c137cb0 Add updated intel. 2021-10-16 13:30:56 -07:00
Thomas Harte
b312a61a81 Add two dummy reads. 2021-10-16 13:30:45 -07:00
Thomas Harte
4917556a99 The shift goes the other way in descending mode. 2021-10-16 11:09:40 -07:00
Thomas Harte
15ed4a0d09 Introduce failing test case for sector decoding. 2021-10-16 10:48:32 -07:00
Thomas Harte
aa6b0f07b7 Correct filename. 2021-10-16 05:37:46 -07:00
Thomas Harte
d9d20d9d30 Walk back slightly. 2021-10-14 18:02:58 -07:00
Thomas Harte
689bfbbdb3 Be overt in initialiser list. 2021-10-14 16:57:26 -07:00
Thomas Harte
e27a10bde4 Simplify control flow. 2021-10-14 16:47:18 -07:00
Thomas Harte
253a199f27 Fire sync-match interrupt upon any match. 2021-10-14 16:36:17 -07:00
Thomas Harte
61e5702520 Remove dead TODO. 2021-10-14 16:09:11 -07:00
Thomas Harte
b12c640807 Makes drives non-copyable. 
To avoid error in the future.
 2021-10-14 12:37:55 -07:00
Thomas Harte
9be23ecc34 Add end-of-Blit interrupt. 
Along with a slightly easier path for posting interrupts, in C++ compilation unit terms.
 2021-10-13 15:09:19 -07:00
Thomas Harte
8960f471a0 Use unspread_bits for FM and MFM decoding. 2021-10-12 15:18:50 -07:00
Thomas Harte
955cb6411c Factor out bit spreading. 
(And do a better job of it)
 2021-10-12 14:49:01 -07:00
Thomas Harte
fc4ca4f8e3 I don't think there are sync words at the start of the track. 2021-10-12 10:38:15 -07:00
Thomas Harte
eec068914e Slightly improve logging. 2021-10-11 18:05:57 -07:00
Thomas Harte
a1f02d0cd8 Add track padding. 2021-10-11 18:05:37 -07:00
Thomas Harte
39b8285ba5 Trust the HRM on step bit, but catch rising edge. 2021-10-11 07:42:42 -07:00
Thomas Harte
7733fef3bd DSKLEN has to be written twice. 2021-10-11 06:16:01 -07:00
Thomas Harte
6acddfdb98 Add the sync match interrupt. 
Albeit that it doesn't yet unblock disk DMA.
 2021-10-11 03:37:56 -07:00
Thomas Harte
ec3d5c0b32 Increase maximum number of activity LEDs to eight. 2021-10-10 18:37:33 -07:00
Thomas Harte
99492c2ec2 Further tweak logging. 2021-10-10 18:19:50 -07:00
Thomas Harte
addf9f9af4 Moves block byte writes into Storage::Encodings::MFM::Encoder. 2021-10-10 16:06:51 -07:00
Thomas Harte
846b505d27 Reduce logging; disk data probably isn't the immediate obstacle. 2021-10-10 13:04:10 -07:00
Thomas Harte
c4cfcfab8e Checksums appear to be calculated as 32-bit quantities. 2021-10-10 12:58:10 -07:00
Thomas Harte
5e083426c5 Takes another run at checksums. 
It turns out I'd read entirely the wrong section of the ADF FAQ. Am now trying to piece things together from various EAB threads.
 2021-10-10 11:47:48 -07:00