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Author SHA1 Message Date
Thomas Harte
06340b1ad7 Advance DMA pointer, treat audio as signed, request data on low -> high transition. 
There's now some audio, sometimes when there should be. But it's not correct.
 2021-12-01 18:34:54 -05:00
Thomas Harte
d23511860d Attempts audio output. 2021-12-01 06:01:58 -05:00
Thomas Harte
a8dd4660b2 Adds a pipeline for audio output. 2021-12-01 05:37:58 -05:00
Thomas Harte
eb3a0eb3c7 Attempt full implementation of collisions. 2021-11-29 18:39:33 -05:00
Thomas Harte
cd0148e0bc Switch to a default 1mb of Chip RAM. 2021-11-29 16:55:45 -05:00
Thomas Harte
8584ee609f Support a fetch window start on line 0. 2021-11-28 05:37:49 -05:00
Thomas Harte
373847e2b7 Avoid posting redundant key events. 2021-11-28 05:31:00 -05:00
Thomas Harte
84f7d8dfc2 Factors out pixel generation, adds HAM. 2021-11-28 05:06:30 -05:00
Thomas Harte
e057a7d0dd Attempts to implement sprite/playfield priorities. 2021-11-27 15:03:46 -05:00
Thomas Harte
7bab15bf99 Minor copy improvements. 2021-11-27 11:38:41 -05:00
Thomas Harte
dac40630fd Adds support for the Blitter-busy flag to WAIT and SKIP. 2021-11-27 11:36:15 -05:00
Thomas Harte
33bfa1b81c Move BitplaneShifter adjacent to expand_bitplane_byte. 2021-11-26 18:29:09 -05:00
Thomas Harte
8fc27dc292 Moves bitplane collection and shifter out of Chipset.[h/c]pp. 2021-11-26 18:16:24 -05:00
Thomas Harte
f8e8f18be5 Switch to std::clamp. 2021-11-26 18:10:29 -05:00
Thomas Harte
8b38c567d2 Add missing #include for std::clamp. 2021-11-26 18:08:39 -05:00
Thomas Harte
cd53e42d79 Resolve operator precedence. 2021-11-26 18:08:10 -05:00
Thomas Harte
bea6cf2038 Move mouse and joystick into a separate file, give a common parent. 2021-11-26 17:50:47 -05:00
Thomas Harte
eca80f1425 Sprites: avoid magic constants, ensure proper DMA resumption. 2021-11-26 16:02:18 -05:00
Thomas Harte
1c0962e53c Move sprites into their own source file. 2021-11-26 15:30:31 -05:00
Thomas Harte
4b21549ff4 Add a couple of static asserts. 2021-11-26 15:23:54 -05:00
Thomas Harte
30d7b0129b Correct sprite ordering within pairs. 2021-11-26 11:58:50 -05:00
Thomas Harte
ce6877d6e4 Sprites: infer part of DMA state from slot, no access during blank. 
Also sets the proper vertical blank length.
 2021-11-26 09:37:52 -05:00
Thomas Harte
0ab5177637 Allow DMAState::FetchStopAndControl on y == v_stop_. 2021-11-25 14:29:12 -05:00
Thomas Harte
276cbfa505 Simplify sprite state machine. 
This now better matches the explanation given on Page 133 of the Amiga System Programmer's Guide.
 2021-11-25 14:08:55 -05:00
Thomas Harte
610c85a354 Correct test logic. 
All tests now pass.
 2021-11-25 04:11:20 -05:00
Thomas Harte
012084b37b Fix exclusive fill, sizing, eliminate ECS call-ins. 
The clock test now proceeds further, but still doesn't seem to pass.
 2021-11-24 17:25:32 -05:00
Thomas Harte
55af6681af Avoid unnecessary get_port_input calls. 2021-11-24 17:15:48 -05:00
Thomas Harte
2a7a42ff8f Add header for assert. 2021-11-24 16:28:18 -05:00
Thomas Harte
7af5737ec5 Switch to LOG. 2021-11-24 16:15:40 -05:00
Thomas Harte
0ad1529f3f Retain delegate bit length for non-self-clocked data. 2021-11-24 16:15:27 -05:00
Thomas Harte
0df8173536 Merge branch 'master' into Amiga 2021-11-24 08:58:03 -05:00
Thomas Harte
b517811e2f
Merge pull request #988 from TomHarte/HeaderOnly6502 
Moves the 6502 towards being a header-only dependency.
 2021-11-24 08:57:45 -05:00
Thomas Harte
83d3a9c6dd Merge branch 'master' into HeaderOnly6502 2021-11-24 08:48:36 -05:00
Thomas Harte
d0402261e6
Merge pull request #993 from TomHarte/PushAudio 
Adds a push route for lowpass-filtered audio.
 2021-11-24 08:47:10 -05:00
Thomas Harte
6f6e09d200 Correct: load -> store. 2021-11-22 15:18:12 -05:00
Thomas Harte
24e2fd4184 Avoid implicit conversion. 2021-11-22 11:28:02 -05:00
Thomas Harte
1aada996dc Correct consting. 2021-11-22 11:18:17 -05:00
Thomas Harte
f5d3d6bcea Splits the lowpass filter into push and pull variants. 2021-11-21 15:37:29 -05:00
Thomas Harte
a8a99f647f Further improves framing. 2021-11-21 08:13:55 -05:00
Thomas Harte
ff68b26c44 Push HSYNC 11 slots over, to its proper position, and add a frame crop. 2021-11-20 12:39:50 -05:00
Thomas Harte
a94b4f62fd Takes a stab at attached sprites. 2021-11-19 14:19:47 -05:00
Thomas Harte
bcc959d938 Sprites: deconflate vertical and modification flags; disarm on CTL not POS. 2021-11-19 08:03:10 -05:00
Thomas Harte
cf25d8a378 Increase logging (but leave it disabled). 2021-11-19 08:01:23 -05:00
Thomas Harte
c750bdafd5 Switch to a saturating conversion. 2021-11-18 18:01:30 -05:00
Thomas Harte
693d46f8ea Mask by index, not colour. 2021-11-18 05:36:38 -05:00
Thomas Harte
3496ebd1d7 Constrain sprite fetches to Chip RAM. 2021-11-17 17:49:42 -05:00
Thomas Harte
be763cf7fe Expose joystick to the world. 2021-11-17 15:33:46 -05:00
Thomas Harte
c3b4bee210 Adds a joystick class. 2021-11-17 14:26:51 -05:00
Thomas Harte
6df0227ab1 Hacks in a basic effort at dual playfields. 2021-11-16 18:26:27 -05:00
Thomas Harte
2a3a7fa8a0 Reset will_request_interrupt. 2021-11-15 16:00:35 -05:00