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
cf25d8a378
Increase logging (but leave it disabled).
2021-11-19 08:01:23 -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
Thomas Harte
50a6496399
Avoids over-greedy DMA.
2021-11-15 12:31:15 -05:00
Thomas Harte
c99dee86dd
Adds missing low -> high actions, implements more transitions.
2021-11-15 12:29:32 -05:00
Thomas Harte
0c5bb9626b
Separates state transitions and tests.
2021-11-15 05:29:28 -05:00
Thomas Harte
a9971917f5
Attempts a translation of Commodore's documentation.
2021-11-14 14:54:33 -05:00
Thomas Harte
4c62611da3
Adds enough state machine to get into the near-incomprehensible stuff on the right.
2021-11-14 10:48:50 -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
eeaccb8ac0
Implements clear_all_keys.
2021-11-08 17:49:09 -05:00
Thomas Harte
8ef9a932aa
Adds inclusive fill test; fixes inclusive fills.
2021-11-07 14:26:13 -08:00
Thomas Harte
31e22e4cfb
Provides full serial input.
2021-11-07 05:19:16 -08:00
Thomas Harte
ecfe68d70f
Introduce the principle that a Serial::Line can be two-wire — clock + data.
2021-11-06 16:54:20 -07:00
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
471e13efbc
Transcribes keycodes.
2021-11-04 18:54:42 -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
299d517449
Performs a first implementation of fill mode.
2021-10-31 14:36:31 -07:00
Thomas Harte
4c1ab6ff25
Rethinks bitplane stops.
2021-10-31 09:01:38 -07:00
Thomas Harte
16f31cab6a
Avoid duplication of CIA select test.
2021-10-30 12:05:18 -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
f3e895f17c
Tag intended unused parameters.
2021-10-29 06:21:02 -07:00
Thomas Harte
b952d73e83
Disallow programmatic setting of blitter status.
2021-10-29 06:19:57 -07:00
Thomas Harte
07facc0636
Takes a stab at BZERO.
2021-10-28 18:12:46 -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
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
