Thomas Harte
dac40630fd
Adds support for the Blitter-busy flag to WAIT and SKIP.
2021-11-27 11:36:15 -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
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
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
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
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
47f36f08fb
Switches to a synchronous audio state machine; renames advance -> advance_dma.
...
I can worry about how to just-in-time things once I better understand the hardware in general.
2021-11-13 15:53:41 -05:00
Thomas Harte
f906bab1a5
Provides feedback on interrupt flags, starts on state machine.
2021-11-13 11:05:39 -05:00
Thomas Harte
fffc03c4e4
Propagates time to the audio subsystem.
2021-11-12 15:30:52 -05:00
Thomas Harte
0a94184d6b
Provides a greater wealth of audio data.
2021-11-11 09:24:15 -05:00
Thomas Harte
7be3578497
Adds a target for audio writes.
2021-11-09 07:11:23 -05:00
Thomas Harte
31e22e4cfb
Provides full serial input.
2021-11-07 05:19:16 -08:00
Thomas Harte
c0c2b5e3a9
Post key actions to the nominated serial line.
...
Albeit that I'm still thinking through whether I want the option of including a clock on Serial::Line. It'd be natural in one sense — there's already one built in — but might weaken Serial::Line's claim to be a one-stop shop for both enqueued and real-time connections without a reasonable bit of extra work.
2021-11-06 12:03:09 -07:00
Thomas Harte
c9bf2dda16
Attempt implementation of disk sync.
2021-11-02 18:18:59 -07:00
Thomas Harte
3ceb378b9b
Relocate disk logic into a separate compilation unit.
2021-11-02 17:35:23 -07:00
Thomas Harte
1cf1c90511
Adds support for interlaced output.
2021-11-02 14:34:03 -07:00
Thomas Harte
d989825216
Add bonus notes on VPOSR.
2021-11-02 03:47:39 -07:00
Thomas Harte
3976420b88
Retains a little more of output controls.
2021-11-01 17:15:36 -07:00
Thomas Harte
2f1ce5fe43
Switch to using the swizzled palette for playfield output.
2021-11-01 14:44:30 -07:00
Thomas Harte
42145a5b8a
Delay bitplane installation until end of slot.
2021-11-01 14:18:58 -07:00
Thomas Harte
4e66017205
Enable sprite reuse and toggle to inactive when visible region is over.
2021-10-31 16:52:48 -07:00
Thomas Harte
4c1ab6ff25
Rethinks bitplane stops.
2021-10-31 09:01:38 -07:00
Thomas Harte
02c88e6826
VHPOSR's fields are the other way around.
2021-10-30 12:04:46 -07:00
Thomas Harte
d25804f4a2
Throws in official register names.
2021-10-29 14:05:11 -07:00
Thomas Harte
edb75e69cb
Implement bitplane modulos.
2021-10-29 11:29:22 -07:00
Thomas Harte
b952d73e83
Disallow programmatic setting of blitter status.
2021-10-29 06:19:57 -07:00
Thomas Harte
da1a69be27
Caps mouse speed.
...
Also takes another guess at CIA interrupt bits. To no avail.
2021-10-27 18:38:02 -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
