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Author SHA1 Message Date
Thomas Harte
66b95a8b54
Merge pull request #1217 from TomHarte/PCFDC 
Sketch the outline of a high-level emulation of the PC FDC
 2023-11-29 12:48:55 -05:00
Thomas Harte
ab586b9965
Merge pull request #1224 from ryandesign/patch-3 
Handle C, E, F operations in Disk II state machine
 2023-11-29 12:48:39 -05:00
Thomas Harte
cd2567d868
Merge pull request #1222 from ryandesign/patch-1 
Fix typo in comment in AppleDSK.hpp
 2023-11-29 12:48:10 -05:00
Thomas Harte
c07ae43980
Merge pull request #1221 from TomHarte/More68000TemplateActions 
Enable further compile-time optimisations.
 2023-11-29 12:47:48 -05:00
Thomas Harte
4e10ef2816
Merge pull request #1223 from ryandesign/patch-2 
Fix typo in comment in WOZ.cpp
 2023-11-29 12:40:22 -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
439104c73a Add missing space. 2023-11-29 09:49:05 -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
Ryan Carsten Schmidt
3293ab48ce
Handle C, E, F operations in Disk II state machine 
This shouldn't matter since these operations are not requested by the
state machine but this is what those operations should do according to
Understanding the Apple II, Table 9.3, page 9-15.
 2023-11-29 05:50:20 -06:00
Ryan Carsten Schmidt
2e314e7a08
Fix typo in comment in WOZ.cpp 2023-11-29 03:42:39 -06:00
Thomas Harte
3827a084ad Code to GlaBIOS expectations. 2023-11-28 23:18:22 -05:00
Ryan Carsten Schmidt
afc62f3d94
Fix typo in comment in AppleDSK.hpp 2023-11-28 22:09:35 -06:00
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
7171e24ccf Enable further compile-time optimisations. 2023-11-28 13:50:53 -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
b07cc5c2ec
Merge pull request #1219 from TomHarte/68000TemplatedPerform 
Sometimes provide 68000 bus operations at compile time.
 2023-11-27 21:54:24 -05:00
Thomas Harte
36a4629ce0 Explain new semantics. 2023-11-27 21:49:57 -05:00
Thomas Harte
87eec47b79 Mildly reduce cost of 8-byte ROM overlay. 2023-11-27 15:48:30 -05:00
Thomas Harte
2a0375e9c2 Mildly adjust layout of inner loop. 2023-11-27 15:16:22 -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
d2203484cc Avoid name duplication. 2023-11-26 15:29:08 -05:00
Thomas Harte
003c494aac Factor out a large number of status-related facts. 2023-11-26 15:04:10 -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
af70c8847d Factor out the stuff of accumulating and dissecting commands. 2023-11-24 18:24:58 -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
ed31cfd80a
Merge pull request #1216 from TomHarte/ReduceNoise 
Limit extraneous printing.
 2023-11-23 23:05:46 -05:00
Thomas Harte
89423f28ef Limit extraneous printing. 2023-11-23 22:47:31 -05:00
Thomas Harte
593c32f621
Merge pull request #1215 from TomHarte/PCKeyboard 
Attempt to implement the XT keyboard controller.
 2023-11-23 22:26:09 -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