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
|
99492c2ec2
|
Further tweak logging.
|
2021-10-10 18:19:50 -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
|
8d43b4a98d
|
Expands Disk DMA access window.
|
2021-10-10 11:47:02 -07:00 |
|
Thomas Harte
|
9336ffe216
|
Take a stab at index-hole sync.
|
2021-10-09 08:01:02 -07:00 |
|
Thomas Harte
|
eb157f15f3
|
Adds index hole interrupt.
|
2021-10-09 04:08:59 -07:00 |
|
Thomas Harte
|
d6e2a3f425
|
Make a first attempt to spool into RAM.
|
2021-10-08 18:11:47 -07:00 |
|
Thomas Harte
|
b47ca13ed3
|
Push disk data onwards.
|
2021-10-08 17:18:11 -07:00 |
|
Thomas Harte
|
67546c4d6e
|
Per the HRM, the index hole is connected to CIA B, potentially to raise an interrupt.
|
2021-10-08 17:12:37 -07:00 |
|
Thomas Harte
|
f72deb0a5c
|
Correct RDY position.
|
2021-10-08 04:32:13 -07:00 |
|
Thomas Harte
|
616ccbb878
|
Correct ID bit placement, multiplex with motor state.
The latter per my reading of http://www.primrosebank.net/computers/amiga/upgrades/amiga_upgrades_storage_fdis.htm
|
2021-10-08 04:05:57 -07:00 |
|
Thomas Harte
|
5899af0038
|
Starts accumulating disk data.
|
2021-10-07 05:11:32 -07:00 |
|
Thomas Harte
|
33ff4f3b5c
|
Eliminate drive copies.
|
2021-10-06 13:40:28 -07:00 |
|
Thomas Harte
|
20bad38d42
|
Add drive activity lights.
|
2021-10-06 04:54:40 -07:00 |
|
Thomas Harte
|
92a07398cd
|
I think CHNG works the other way around.
|
2021-10-06 04:47:52 -07:00 |
|
Thomas Harte
|
e961d0b4a3
|
Switch RDY type.
|
2021-10-06 04:41:09 -07:00 |
|
Thomas Harte
|
2253ff656a
|
Adds route for inserting disks.
|
2021-10-05 16:12:30 -07:00 |
|
Thomas Harte
|
18631399ad
|
Attempts to clock the disk controller.
|
2021-10-05 15:38:56 -07:00 |
|
Thomas Harte
|
ad4afcdcd5
|
Switch stepping direction.
Empirically, based on the actions of Kickstart, and assuming my confusion is because the relevant signal is active low.
|
2021-10-05 15:23:48 -07:00 |
|
Thomas Harte
|
2cf5bcc5db
|
Clarify logic somewhat.
|
2021-10-05 15:20:05 -07:00 |
|
Thomas Harte
|
1180ad7662
|
Disables a couple of now-trustworthy LOGs.
|
2021-10-05 06:51:47 -07:00 |
|
Thomas Harte
|
5463cd1ae3
|
Attempts to support stepping and head selection.
|
2021-10-05 06:36:17 -07:00 |
|
Thomas Harte
|
647ec770ce
|
Implements motor latching, drive ID shift registers.
|
2021-10-05 05:12:01 -07:00 |
|
Thomas Harte
|
e47bec2e65
|
Switch CIA B ports over.
|
2021-10-05 03:38:11 -07:00 |
|
Thomas Harte
|
674941abdf
|
Starts to add a disk controller.
|
2021-10-04 16:45:05 -07:00 |
|
Thomas Harte
|
b3f0ca39ed
|
Adds some unused drives.
|
2021-10-04 08:12:13 -07:00 |
|
Thomas Harte
|
5ccb512883
|
Moves the CIAs into the Chipset class.
This reflects the routing of interrupt signals for now, but also prepares for the addition of disk drives.
|
2021-10-04 06:44:54 -07:00 |
|
Thomas Harte
|
0b9ebafc0f
|
Flip bit deserialisation order.
|
2021-09-28 22:12:13 -04:00 |
|
Thomas Harte
|
ffcd2ea10c
|
Attempts more properly to implement line mode.
|
2021-09-28 21:39:09 -04:00 |
|
Thomas Harte
|
c4ab2bbeed
|
Hard-code fetch window width. For now.
|
2021-09-23 22:06:13 -04:00 |
|
Thomas Harte
|
f1d514470d
|
Add note to future self.
|
2021-09-23 20:29:39 -04:00 |
|
Thomas Harte
|
60bad22a91
|
Correct fetch window.
|
2021-09-23 18:13:24 -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
|
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
|
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
|
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
|
1502c4530e
|
Takes a further step towards real timing.
|
2021-08-08 21:52:28 -04:00 |
|
Thomas Harte
|
db3c158215
|
Further increases logging.
|
2021-08-05 20:07:14 -04:00 |
|
Thomas Harte
|
1bae4973bc
|
Post the serial control write onwards.
|
2021-07-30 18:24:27 -04:00 |
|
Thomas Harte
|
b78090ec76
|
Fixes IOPortsAndTimers classification.
|
2021-07-28 19:39:42 -04:00 |
|
Thomas Harte
|
759007ffc1
|
Attempts to route CIA interrupts.
|
2021-07-28 19:36:30 -04:00 |
|
Thomas Harte
|
69ae9d72c8
|
Remove dead non-access.
|
2021-07-27 22:27:20 -04:00 |
|
Thomas Harte
|
82205d71cc
|
Breaks up loop for arithmetic simplicity.
|
2021-07-27 21:59:27 -04:00 |
|
Thomas Harte
|
402eab10f8
|
Breaks video output while attempting to pull it into the main loop.
|
2021-07-27 21:33:07 -04:00 |
|
Thomas Harte
|
b6bf4d73ad
|
Blitter-finished bit aside, attempts to complete the Copper.
|
2021-07-27 21:10:14 -04:00 |
|
Thomas Harte
|
5425b5c423
|
Adds some form of WAITing to the Copper.
|
2021-07-27 19:32:55 -04:00 |
|
Thomas Harte
|
29cd8504ca
|
Implements enough Copper to get a first store.
|
2021-07-27 19:06:16 -04:00 |
|
Thomas Harte
|
3544746934
|
Modifies interface, starts on scheduler.
Probably corrects the pixel clock, which I think was scaled up by a factor of 4.
|
2021-07-27 16:41:18 -04:00 |
|
Thomas Harte
|
d8f814f1c4
|
If I'm going to push only a single colour, might as well make it fast.
|
2021-07-26 21:19:43 -04:00 |
|
Thomas Harte
|
a43175125a
|
Assuming I'm going to keep this synchronous, extends function signature.
|
2021-07-26 20:13:06 -04:00 |
|
Thomas Harte
|
1d03bc560a
|
Stores the colour palette, uses entry 0 as my new always output.
|
2021-07-26 18:59:11 -04:00 |
|
Thomas Harte
|
3832acf6e3
|
Produces a static white box, at least.
|
2021-07-26 18:51:01 -04:00 |
|
Thomas Harte
|
7894b50321
|
Starts towards an actual pixel output loop.
|
2021-07-26 18:44:20 -04:00 |
|
Thomas Harte
|
bcb7bb5cce
|
Improves logging further.
To investigate the new perpetual loop.
|
2021-07-26 17:02:30 -04:00 |
|
Thomas Harte
|
87dcd82f69
|
Makes a first attempt at some sort of interrupt functionality.
|
2021-07-26 16:40:42 -04:00 |
|
Thomas Harte
|
e671cc6056
|
Add stubs for joystick/mouse querying.
|
2021-07-26 16:21:51 -04:00 |
|
Thomas Harte
|
5da89b88a6
|
Add missing space.
|
2021-07-25 22:17:55 -04:00 |
|
Thomas Harte
|
5d60c1f20b
|
Stubs in Paula.
|
2021-07-25 22:16:31 -04:00 |
|
Thomas Harte
|
7fd00165c9
|
Switch to [hard-coded] PAL, for now.
In the hope that I get to see some graphics soon, this should better conform to my expectations.
|
2021-07-25 20:41:51 -04:00 |
|
Thomas Harte
|
20da194fab
|
Log slightly more accurately.
|
2021-07-25 19:59:24 -04:00 |
|
Thomas Harte
|
e3bb9fc1d7
|
Increase logging.
|
2021-07-23 23:10:00 -04:00 |
|
Thomas Harte
|
d898a43dff
|
Implements time-of-day counters, provisionally.
Interrupts to do.
|
2021-07-23 21:24:07 -04:00 |
|
Thomas Harte
|
de208ead4e
|
Stubs in enough to get back into a persistent loop.
|
2021-07-22 22:00:53 -04:00 |
|
Thomas Harte
|
87d2fc1491
|
Adds enough raster position to return something.
|
2021-07-22 21:45:51 -04:00 |
|
Thomas Harte
|
2bc9af09e1
|
Factors out the chipset.
|
2021-07-22 21:16:23 -04:00 |
|