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
Thomas Harte
3da3401125
Attempt full audio output.
2023-11-21 22:28:33 -05:00
Thomas Harte
972d1d1ddd
Add audio pipeline.
2023-11-21 22:11:32 -05:00
Thomas Harte
6329a1208a
Adopt PIT-centric timing.
2023-11-21 22:02:24 -05:00
Thomas Harte
375a9f9ff5
Pull out the PIC, DMA.
2023-11-21 15:50:38 -05:00
Thomas Harte
a1e118a1ff
Do some interrupt work.
2023-11-21 15:46:31 -05:00
Thomas Harte
83ca9b3af5
Hack in some MDA text logging. Boot seems to complete?
2023-11-21 11:37:36 -05:00
Thomas Harte
acdf32e820
Handle low/high switches.
2023-11-21 11:25:53 -05:00
Thomas Harte
931e6e7a56
Add, disable, logging detritus.
2023-11-21 11:19:47 -05:00
Thomas Harte
058080f6de
Prove to my caveman self that no text is being written.
2023-11-20 23:11:27 -05:00
Thomas Harte
c4e9f75709
Edge towards but don't quite reach interrupt.
2023-11-20 22:52:20 -05:00
Thomas Harte
695282b838
PIT output now reaches the PIC.
2023-11-20 22:36:05 -05:00
Thomas Harte
f0e2ef5e28
Attempt to implement square-wave mode.
2023-11-20 22:19:18 -05:00
Thomas Harte
ee6012f6e9
Evict the PIT.
2023-11-20 19:00:16 -05:00
Thomas Harte
d3e90ce006
Capture some basics.
...
BIOS now seems to get as far as expecting channel 0 to trigger an interrupt, which never comes.
2023-11-20 15:36:52 -05:00
Thomas Harte
18ddc2c83a
Route traffic.
2023-11-20 15:11:22 -05:00
Thomas Harte
abf0eead7a
Add a functionless PIC.
2023-11-20 13:53:44 -05:00
Thomas Harte
a689f2b63e
Relocate comment.
2023-11-20 12:22:30 -05:00
Thomas Harte
a3066fc040
Advance to the missing PIC.
2023-11-20 12:21:37 -05:00
Thomas Harte
7eed254de9
Bring an 8255 into the mix.
2023-11-20 12:13:42 -05:00
Thomas Harte
55f466f2fa
Add enough of the DMA subsystem to trip over in PPI world.
2023-11-19 22:55:29 -05:00
Thomas Harte
119c83eb18
Fix field decoding.
2023-11-19 21:51:27 -05:00
Thomas Harte
4e077701c9
Exit without further modification upon latch.
2023-11-19 16:37:47 -05:00
Thomas Harte
a8f1c72f5c
Take a caveman run at debugging.
2023-11-19 16:05:44 -05:00
Thomas Harte
05e93f0eb3
Implementing counting for a couple of PIT modes.
2023-11-19 15:52:32 -05:00
Thomas Harte
af885ccf08
Decode PIT mode writes.
2023-11-19 15:01:21 -05:00
Thomas Harte
2b69081fff
Start sketching the PIT.
2023-11-19 07:15:30 -05:00
Thomas Harte
a91449555f
Add link for future self.
2023-11-17 17:38:17 -05:00
Thomas Harte
afc0ca3f1b
Add XT roadmap.
2023-11-17 17:35:11 -05:00
Thomas Harte
f0ac62566c
Add an 80286 BIOS, for later.
2023-11-17 17:15:57 -05:00
Thomas Harte
d202cfc2ca
Add TODO.
2023-11-17 17:09:20 -05:00
Thomas Harte
ec2d878e3f
End run around the template.
...
I have yet to get any insight whatsoever on the reason for GCC's failure here and won't have access to a suitable test
machine for a while so all I have for testing is the arduous CI cycle.
2023-11-17 17:02:46 -05:00
Thomas Harte
8af173c4bc
Remove hopeful hit.
2023-11-16 15:48:27 -05:00
Thomas Harte
e1541543c3
Play hit and hope.
2023-11-16 15:40:47 -05:00
Thomas Harte
99e7de5a8b
Colocate memory.
2023-11-16 15:24:35 -05:00
Thomas Harte
095359017f
Log first unhandled port.
2023-11-16 13:02:35 -05:00
Thomas Harte
25f0a373f3
Don't sign-extend ports (!).
2023-11-16 11:17:12 -05:00
Thomas Harte
832e31f7e5
Add note to self.
2023-11-16 10:34:24 -05:00
Thomas Harte
164a7fe848
Log port IO.
2023-11-16 06:48:24 -05:00
Thomas Harte
62b6219763
Install BIOS, albeit in writeable storage.
2023-11-15 22:02:53 -05:00
Thomas Harte
2bc9dfbef9
Albeit with no BIOS present, execute.
2023-11-15 16:10:37 -05:00
Thomas Harte
3b84299a05
Edge closer to PCCompatible doing _something_.
2023-11-15 15:58:49 -05:00
Thomas Harte
6f48ffba16
Add enough of a ScanProducer to run.
2023-11-15 14:30:30 -05:00
Thomas Harte
1a3b2b0620
Add necessary wiring for File -> New...
2023-11-15 14:27:04 -05:00
Thomas Harte
af7069ac21
Include and fetch a BIOS.
2023-11-15 11:32:23 -05:00
Thomas Harte
e927fd00d8
Do just enough to include x86 code in the main build.
2023-11-15 11:01:28 -05:00
Ryan Carsten Schmidt
234292f163
Fix Apple II/II+/IIe first eight non-hbl vbl bytes
...
Closes #1196
2023-11-13 00:51:34 -06:00
Ryan Schmidt
18ed36d090
Update get_last_read_value source documentation
2023-10-25 03:25:52 -05:00
Ryan Schmidt
c206c7e2cb
Fix Apple II/II+ text/lores hbl read addresses
...
Closes #1181
2023-10-25 03:25:48 -05:00
Ryan Schmidt
98730f1f90
Fix Apple II/II+/IIe first hbl byte read addresses
...
Closes #1180
2023-10-25 03:21:22 -05:00
Ryan Schmidt
c272632b5a
Fix Apple II/II+/IIe hbl row < 64 read addresses
...
See #1180
2023-10-25 03:21:17 -05:00
Ryan Schmidt
577b01e80b
Fix Apple II/II+/IIe vbl rows read addresses
...
See #1180
2023-10-25 03:21:06 -05:00
Thomas Harte
8efb6a9226
Simplify 'get_next_sequence_point' -> 'next_sequence_point'.
2023-09-10 18:00:49 -04:00
Thomas Harte
e5d3140cd1
Avoid flurry of startup events, repeats.
2023-08-22 09:28:57 -04:00
Thomas Harte
79e9de34b6
Flip order of byte usage in double high res mono.
2023-08-21 22:20:42 -04:00
Thomas Harte
2b58f64161
Switch to maximal signalling rate.
2023-08-21 22:12:55 -04:00
Thomas Harte
bb84a5a474
Enable various ADB-controller interrupts.
2023-08-21 15:35:13 -04:00
Thomas Harte
357a324e87
Add exposition.
2023-08-20 15:34:40 -04:00
Thomas Harte
b8e7c2b8ac
Remove printf.
2023-08-20 15:33:30 -04:00
Thomas Harte
3e2a82b638
Add delta capper.
2023-08-20 15:32:48 -04:00
Thomas Harte
1125286b96
Add note to self.
2023-08-20 15:03:28 -04:00
Thomas Harte
17f1f05064
Hit and hope appears to have fixed mouse input.
2023-08-20 15:02:25 -04:00
Thomas Harte
b34403164e
Abstract out VGC interrupt register; fix clearing bug.
2023-08-18 14:30:40 -04:00
Adrian Perez de Castro
1de2631877
Add missing <cstdint> includes for GCC 13
...
Sprinkle includes of the <cstdint> header as needed to make the
build succeed with GCC 13, this fixes both with SDL and Qt builds.
2023-05-25 23:06:13 +03:00
Thomas Harte
8578dfbf22
Eliminate various other errant spaces.
2023-05-16 16:40:09 -04:00
Thomas Harte
7f8f1d7e61
Avoid BASIC 2.1 requirement when running 1.1.
2023-05-15 10:17:27 -04:00
Thomas Harte
a1a7c0e253
Apply maybe_unused judiciously.
2023-05-15 10:17:04 -04:00
Thomas Harte
22ac13d3f2
Set proper number of volumes.
2023-05-13 22:29:09 -04:00
Thomas Harte
876fc6d1e0
Eliminate redundant line break.
2023-05-13 22:18:40 -04:00
Thomas Harte
e1d671daf7
Avoid paying for an OPLL if not connected.
2023-05-13 22:16:42 -04:00
Thomas Harte
4989701de9
Install MSX-MUSIC ROM.
2023-05-12 23:50:43 -04:00
Thomas Harte
fed97b8d26
Add MSX-MUSIC entry.
2023-05-12 23:33:28 -04:00
Thomas Harte
e7888497b7
Add an OPLL.
2023-05-12 23:30:03 -04:00