Thomas Harte
|
6acddfdb98
|
Add the sync match interrupt.
Albeit that it doesn't yet unblock disk DMA.
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2021-10-11 03:37:56 -07:00 |
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Thomas Harte
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99492c2ec2
|
Further tweak logging.
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2021-10-10 18:19:50 -07:00 |
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Thomas Harte
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846b505d27
|
Reduce logging; disk data probably isn't the immediate obstacle.
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2021-10-10 13:04:10 -07:00 |
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Thomas Harte
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8d43b4a98d
|
Expands Disk DMA access window.
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2021-10-10 11:47:02 -07:00 |
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Thomas Harte
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9336ffe216
|
Take a stab at index-hole sync.
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2021-10-09 08:01:02 -07:00 |
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Thomas Harte
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eb157f15f3
|
Adds index hole interrupt.
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2021-10-09 04:08:59 -07:00 |
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Thomas Harte
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d6e2a3f425
|
Make a first attempt to spool into RAM.
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2021-10-08 18:11:47 -07:00 |
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Thomas Harte
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b47ca13ed3
|
Push disk data onwards.
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2021-10-08 17:18:11 -07:00 |
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Thomas Harte
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67546c4d6e
|
Per the HRM, the index hole is connected to CIA B, potentially to raise an interrupt.
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2021-10-08 17:12:37 -07:00 |
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Thomas Harte
|
f72deb0a5c
|
Correct RDY position.
|
2021-10-08 04:32:13 -07:00 |
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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 |
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Thomas Harte
|
5899af0038
|
Starts accumulating disk data.
|
2021-10-07 05:11:32 -07:00 |
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Thomas Harte
|
33ff4f3b5c
|
Eliminate drive copies.
|
2021-10-06 13:40:28 -07:00 |
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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 |
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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 |
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Thomas Harte
|
1180ad7662
|
Disables a couple of now-trustworthy LOGs.
|
2021-10-05 06:51:47 -07:00 |
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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 |
|