Thomas Harte
5f6bbec741
Capture DMA high bytes, add actor for accesses.
2023-11-30 12:47:50 -05:00
Thomas Harte
7f0bb716f7
Grab sector contents, ready for more FDC work.
2023-11-29 15:55:37 -05:00
Thomas Harte
b7d3633b38
Log slightly more.
2023-11-29 15:30:47 -05:00
Thomas Harte
05504c8389
Accept and keep hold of disk images.
2023-11-29 15:20:14 -05:00
Thomas Harte
8d01829fa7
Adopt PC-style naming, limit to one drive.
2023-11-29 11:35:21 -05:00
Thomas Harte
be842ee2f1
Add drive indicator lights.
2023-11-29 11:31:37 -05:00
Thomas Harte
e034daa6c8
Capture motor state.
2023-11-29 09:52:16 -05:00
Thomas Harte
ce4bcf9064
Improve comment.
2023-11-29 09:50:08 -05:00
Thomas Harte
a992ae37b1
Mildly rearrange, to match enum order.
2023-11-29 09:49:15 -05:00
Thomas Harte
fbbe3ab7f1
Include seek ended flag.
2023-11-29 09:45:45 -05:00
Thomas Harte
6e2e67fd46
Sculpt out enough to get to a read data command.
2023-11-29 09:42:43 -05:00
Thomas Harte
3827a084ad
Code to GlaBIOS expectations.
2023-11-28 23:18:22 -05:00
Thomas Harte
301442a0b1
Fix meaning of flag, use correctly.
2023-11-28 22:34:34 -05:00
Thomas Harte
dd4bcf68bf
Load up on debugging logs.
2023-11-28 15:09:57 -05:00
Thomas Harte
b860fba0a3
Make an attempt at providing varied sense interrupt statuses.
2023-11-28 14:12:39 -05:00
Thomas Harte
c19c356c10
Add disabled longer serialisation.
2023-11-27 23:23:00 -05:00
Thomas Harte
8fec9bef11
Attempt IRQ logic.
2023-11-27 23:16:24 -05:00
Thomas Harte
bffe3ffa25
Add an 8272 results phase.
2023-11-27 23:05:37 -05:00
Thomas Harte
993366ac5a
Merge branch 'master' into PCFDC
2023-11-27 22:16:30 -05:00
Thomas Harte
87eec47b79
Mildly reduce cost of 8-byte ROM overlay.
2023-11-27 15:48:30 -05:00
Thomas Harte
032eeb4757
Eliminate runtime switch.
2023-11-27 14:57:41 -05:00
Thomas Harte
5c7f94d2ef
Introduce the possibility of operation type as a template parameter.
...
It's already proven possible to provide this for instruction fetch, so I think it'll immediately be a win. But more importantly it opens a path forwards for further improvement.
2023-11-27 11:48:34 -05:00
Thomas Harte
291723e85e
Insert notes to self, trying to tie down FloppyController interface.
2023-11-27 10:27:36 -05:00
Thomas Harte
a6a464c240
Add printed TODO.
2023-11-25 21:40:13 -05:00
Thomas Harte
9bd75464b5
Proceed to receiving a sense interrupt status.
2023-11-25 18:15:37 -05:00
Thomas Harte
0bb048e24b
Start formalising/extracting 8272 status.
2023-11-25 18:10:49 -05:00
Thomas Harte
8c70317d31
Introduce interrupt.
2023-11-24 23:06:52 -05:00
Thomas Harte
dd135bf3fe
Start experimenting with a possible end-of-reset interrupt?
2023-11-24 22:41:33 -05:00
Thomas Harte
2efb5236f7
Add an agent for floppy control.
2023-11-24 22:19:39 -05:00
Thomas Harte
d5c30e3175
Add enough keyboard support to be able to bypass the initial FDC BIOS failure report.
2023-11-24 13:38:06 -05:00
Thomas Harte
89423f28ef
Limit extraneous printing.
2023-11-23 22:47:31 -05:00
Thomas Harte
019d987623
Clear buffer on read.
2023-11-23 22:16:08 -05:00
Thomas Harte
7e8020df59
Avoid a spurious initial interrupt.
2023-11-23 22:15:20 -05:00
Thomas Harte
44d602e0f6
Seriously attempt a keyboard controller.
2023-11-23 22:10:51 -05:00
Thomas Harte
0674da0325
Flip IRQ priority.
2023-11-23 15:41:24 -05:00
Thomas Harte
113fc9f757
Add further TODO.
2023-11-23 15:29:43 -05:00
Thomas Harte
2c31452629
Add TODO, as exposition.
2023-11-23 15:19:31 -05:00
Thomas Harte
505df78108
Add column duplication, switch to green.
2023-11-23 15:18:28 -05:00
Thomas Harte
d92d0e87ac
Honour MDA attributes.
2023-11-23 14:51:32 -05:00
Thomas Harte
df9e9c2c4d
Start accumulating notes.
2023-11-22 15:21:45 -05:00
Thomas Harte
e0f72f2048
Tidy up.
2023-11-22 14:18:58 -05:00
Thomas Harte
a293a3a816
Document the future.
2023-11-22 14:14:53 -05:00
Thomas Harte
b22b489380
Mask into 4kb; I don't know whether hardware scrolling is in use.
2023-11-22 14:12:57 -05:00
Thomas Harte
231de8440e
Add text display.
2023-11-22 14:11:22 -05:00
Thomas Harte
381537fde9
Get as far as MDA being able to fetch.
2023-11-22 13:52:28 -05:00
Thomas Harte
f249e4ada6
Maintain an actual pixel buffer.
2023-11-22 13:40:50 -05:00
Thomas Harte
12179e486f
Create a solid white rectangle.
2023-11-22 13:18:39 -05:00
Thomas Harte
80b2ccd418
Attempt to wire in a CRTC.
2023-11-22 12:53:09 -05:00
Thomas Harte
1828a10885
Use less branchy inner loop.
2023-11-21 22:42:53 -05:00
Thomas Harte
bcd4a2216a
Improve clocking.
2023-11-21 22:36:11 -05:00