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Author SHA1 Message Date
Thomas Harte
9a7a54f22f Take alternative guess as to meaning of 'use' bits. 2021-09-23 18:42:12 -04:00
Thomas Harte
137d1c61bd Allow for channel enables and blitting direction. 2021-09-23 18:38:37 -04:00
Thomas Harte
adc071ed7a Fix: modulos are 15-bit signed, the minterms are also in regular BLTCON0. 2021-09-23 18:30:35 -04:00
Thomas Harte
e06f470044 Ensure no implicit conversion from int to IntT. 2021-09-23 18:30:04 -04:00
Thomas Harte
ab69fe56c9 Take a first shot at magical instant blitting. 2021-09-23 18:13:51 -04:00
Thomas Harte
60bad22a91 Correct fetch window. 2021-09-23 18:13:24 -04:00
Thomas Harte
7092429f7c Added some notes to self on line mode. 2021-09-20 23:08:26 -04:00
Thomas Harte
fa800bb809 Introduces code for minterm application. 2021-09-20 19:13:23 -04:00
Thomas Harte
e15f1103a0 Takes a shot at low resolution shifting. 2021-09-20 19:00:52 -04:00
Thomas Harte
a4263b5a8c Ties bitplane collection to line position. 
Outgoing bug: incrementing the video relative offset too often, due to cycles that are discovered to be CPU-targetted.
 2021-09-19 21:55:45 -04:00
Thomas Harte
3d85f820f4 Add missing file to kiosk project. 2021-09-16 21:29:11 -04:00
Thomas Harte
245b7baa61 Moves the Copper into its own file. 2021-09-16 21:17:23 -04:00
Thomas Harte
0eeaaa150a Correct Copper start address. 2021-09-16 21:01:37 -04:00
Thomas Harte
692d87f446 Attempts to restrict blitter slot allocation. 2021-09-16 19:56:28 -04:00
Thomas Harte
6572efe2a7 Clarifies word addressing. 2021-09-16 08:24:52 -04:00
Thomas Harte
8aac2bd029 Stubs in serial port status. 2021-09-14 21:53:07 -04:00
Thomas Harte
add11db369 Factors out DMADevice, which is now a parent of Blitter. 2021-09-14 20:51:32 -04:00
Thomas Harte
e47eab1d40 Merge branch 'master' into Amiga 2021-09-14 20:27:59 -04:00
Thomas Harte
2f86dfdf2b
Merge pull request #987 from TomHarte/IIgsImprovements 
Further iterates the IIgs towards full functionality.
 2021-09-14 20:27:25 -04:00
Thomas Harte
fa71ae3174 Add apology. 2021-09-14 20:23:36 -04:00
Thomas Harte
dfcd1508c9 Establishes valid initial BRAM. 2021-09-10 19:56:20 -04:00
Thomas Harte
0ca4631279 Switch to zero-initialised state; be more careful about resetting data. 2021-09-09 23:08:13 -04:00
Thomas Harte
7e5fc4444a Default to ROM01. 2021-09-09 22:09:09 -04:00
Thomas Harte
a6221ca322 Reload data only if an output is found. 2021-09-09 22:07:03 -04:00
Thomas Harte
d8e42c4379 Tweak guess at initial state. 2021-09-09 22:06:36 -04:00
Thomas Harte
3bf109ae0b
Merge pull request #986 from TomHarte/IIgsSync 
Stabilises Apple IIgs display.
 2021-09-09 20:14:40 -04:00
Thomas Harte
dd37fa49a0 Stabilises Apple IIgs display. 2021-09-09 20:08:15 -04:00
Thomas Harte
3227ec72a2 Merge branch 'master' into Amiga 2021-09-08 21:08:47 -04:00
Thomas Harte
ee324c3d89
Merge pull request #985 from TomHarte/68000Improvements 
68000: fix E alignment, expand Microcycle::apply.
 2021-09-08 21:08:33 -04:00
Thomas Harte
863971f944 68000: fix E alignment, expand Microcycle::apply. 2021-09-08 21:03:37 -04:00
Thomas Harte
fd70f7ad43 Attempts to make pixel content observeable. 2021-09-08 20:57:26 -04:00
Thomas Harte
6e034c9b7f At least manages to place a pixel region on screen. 
Albeit that I've suddenly realised that I've failed properly to think about high-res versus low-res.
 2021-08-11 20:31:37 -04:00
Thomas Harte
52e375a985 Move towards playfield decoding. 2021-08-11 18:47:35 -04:00
Thomas Harte
635c1eacd5 Merge branch 'master' into Amiga 2021-08-11 17:31:17 -04:00
Thomas Harte
f49ba18627
Merge pull request #983 from TomHarte/MachinePickerLayout 
macOS: cleans up layout of machine picker.
 2021-08-11 17:30:58 -04:00
Thomas Harte
6dbce96781 Switch to non-breaking space, to avoid orphan word. 2021-08-11 17:28:37 -04:00
Thomas Harte
9ec42f0f8f Cleans up bottom constraints. 2021-08-11 17:12:01 -04:00
Thomas Harte
10a5e7313f Makes a buggy first attempt at bitplane data collection. 2021-08-10 21:28:48 -04:00
Thomas Harte
ec9cb21fae Starts towards bitplane collection. 2021-08-10 19:01:41 -04:00
Thomas Harte
fdd02ad6a6 Neaten, slightly. 2021-08-10 09:20:34 -04:00
Thomas Harte
76e9fcc94a Obey blitter DMA-enable mask. 2021-08-10 09:19:15 -04:00
Thomas Harte
e412927415 Logs a bit more from the Blitter, gives it access to slots. 2021-08-10 07:17:01 -04:00
Thomas Harte
dda154c7c6 Adds nonsense disk reads, which seems to lead to bitplane and blitter requests. 
Progress, at last!
 2021-08-09 20:31:14 -04:00
Thomas Harte
9215535bee Adds a container for the disk controller. 
Thereby appears to prove that my Amiga is getting as far as attempting to load from floppy.
 2021-08-09 17:35:09 -04:00
Thomas Harte
27726fd2d1 Merge branch 'master' into Amiga 2021-08-09 17:24:06 -04:00
Thomas Harte
77befb7f8e Correct Atari ST text placement; add missing Enteprise constraint. 2021-08-09 17:14:37 -04:00
Thomas Harte
86c6248b48 Merge branch 'master' into Amiga 2021-08-09 17:09:04 -04:00
Thomas Harte
f2af8ff25d
Merge pull request #981 from TomHarte/ColourPrecision 
Increase precision of phase interpolation.
 2021-08-09 17:08:17 -04:00
Thomas Harte
7d8894415c Increase precision of phase interpolation. 2021-08-09 15:48:27 -04:00
Thomas Harte
f8380d2d4c Add 8250 feature of 'count, regardless'. 2021-08-08 22:32:41 -04:00