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Author SHA1 Message Date
Thomas Harte
befe2c2929 Adds floppy drive activity indicators. 2019-11-03 21:57:54 -05:00
Thomas Harte
46ec3510be Fixed: ST sectors are numbered from 1, not 0. 2019-11-03 21:18:29 -05:00
Thomas Harte
e9965c2738 Obeys stated memory size. 2019-11-03 21:18:17 -05:00
Thomas Harte
48b0d8c329 Adds bus req/ack to the DMA controller; hacks support into the ST. 2019-11-03 21:11:25 -05:00
Thomas Harte
07582cee4a BusGrant is a further signal I will need. 2019-11-03 21:10:42 -05:00
Thomas Harte
4dbd2a805a Nudges closer to DMA support. 2019-11-03 17:24:36 -05:00
Thomas Harte
20bf425f98 Drive select lines are active low. 2019-11-02 23:37:56 -04:00
Thomas Harte
0567410bcf Attempts to start getting the WDC working. 2019-11-02 23:26:42 -04:00
Thomas Harte
6d1e09ba55 Connects up the AY to floppy drive/side selection. 2019-11-02 23:04:08 -04:00
Thomas Harte
f40dbefa67 Implements most of keyboard input. 2019-11-02 22:30:02 -04:00
Thomas Harte
f93cdd21de Reverses bit order. 
So, for the first time: a green desktop.
 2019-11-02 21:53:04 -04:00
Thomas Harte
e1dc3b1915 Reverses mouse buttons. 
So I can now navigate the disk-less GEM desktop and click on things.
 2019-11-02 21:38:57 -04:00
Thomas Harte
cbf25a16dc Adds relative mouse motion input. 2019-11-02 21:25:45 -04:00
Thomas Harte
14e790746b Fixes return value when reading received data. 2019-11-02 21:25:00 -04:00
Thomas Harte
bf7e9cfd62 Pulls the intelligent keyboard into its own file. 2019-11-02 19:47:44 -04:00
Thomas Harte
a67e0014a4 Fixes video base address and mono/colour monitor value. 
Now I see a GEM desktop. In blue.
 2019-11-02 19:36:15 -04:00
Thomas Harte
c070f2100c Attempts to regularise data bus access. 2019-11-01 23:01:06 -04:00
Thomas Harte
75e34b4215 Reacts to no acknowledgement. 2019-10-31 21:00:05 -04:00
Thomas Harte
a5bbf54a27 Adds the ability for the 68901 to decline an interrupt acknowledgement. 2019-10-31 19:57:36 -04:00
Thomas Harte
5309ac7c30 Annotates JustInTimeActor as force inline. 2019-10-30 23:18:42 -04:00
Thomas Harte
731dc350b4 Adds sometime real-time clocking for DMA. 2019-10-30 22:59:32 -04:00
Thomas Harte
635e18a50d Ensures the MFP requests and receives real-time clocking when needed. 2019-10-30 22:42:06 -04:00
Thomas Harte
4857ceb3eb Attempts to get a bit more systematic. 
Spotted that interrupt_enable_ isn't being used properly while doing so, hopefully that's now correct.
 2019-10-29 23:16:08 -04:00
Thomas Harte
1c154131f9 Expands size of storage in Cycles/HalfCycles; adjusts widely to compensate. 2019-10-29 22:36:29 -04:00
Thomas Harte
fd02b6fc18 Corrects in-service test; adds pending clearing upon enabled clearing. 2019-10-28 22:51:00 -04:00
Thomas Harte
553f3b6d8b Properly conforms to GPIP input/output blending. 2019-10-28 22:37:11 -04:00
Thomas Harte
1135576a3a Comments in slightly more detail. 2019-10-28 22:12:56 -04:00
Thomas Harte
a5057e6540 Ensures that stop means stop. 2019-10-28 22:12:45 -04:00
Thomas Harte
1d790ec2a9 Adds the option for a clock conversion to JustInTimeActor and slows the MFP's clock rate. 2019-10-28 21:35:10 -04:00
Thomas Harte
0f2d72c436 Ensures receipt of output line changes. 2019-10-28 21:21:53 -04:00
Thomas Harte
aa52652027 Adds a const. 2019-10-28 21:21:35 -04:00
Thomas Harte
4a1fa8fc13 Adds some const qualifiers. 2019-10-28 21:13:42 -04:00
Thomas Harte
95d3b6e79f Adds a through route for the FDC interrupt line. 2019-10-28 21:13:21 -04:00
Thomas Harte
5f6711b72c Ensures interrupt changes are notified to the delegate. 2019-10-28 21:13:06 -04:00
Thomas Harte
d44734d105 Attempts a fuller setting of GPIP inputs. 2019-10-27 22:39:21 -04:00
Thomas Harte
1aaa6331a0 Stores and returns video mode. 2019-10-27 22:39:00 -04:00
Thomas Harte
de1bfb4e24 Stores and returns timer configuration. 2019-10-27 22:38:49 -04:00
Thomas Harte
0cb19421e8 Adds prefix to mouse position response. 2019-10-27 21:46:03 -04:00
Thomas Harte
92847037b3 Merge branch 'master' into AtariST 2019-10-27 21:40:51 -04:00
Thomas Harte
f4556ef6b0
Merge pull request #666 from TomHarte/CPCSafety 
Fixes unit test target
 2019-10-27 21:40:06 -04:00
Thomas Harte
4266264449 Switches to the more idiomatic .empty(). 2019-10-27 21:31:31 -04:00
Thomas Harte
1aba1db62c Corrects test. 2019-10-27 21:30:58 -04:00
Thomas Harte
0fc191c87d Switched a few static_cast to constructor syntax. 2019-10-27 14:21:22 -04:00
Thomas Harte
dc4a0e4e3b Video only ever reads from RAM, so it can be const *. 
(it can also be *const, since I set it only once)
 2019-10-27 14:09:38 -04:00
Thomas Harte
3794d94b68 Adds a sanity check on alignment. 2019-10-27 14:09:02 -04:00
Thomas Harte
0082dc4411 Improves logging. 2019-10-27 00:02:55 -04:00
Thomas Harte
22754683f8 Ensures timer divisor values don't go out of range, adds timer interrupts. 
I suspect further timer issues remain.
 2019-10-26 23:20:13 -04:00
Thomas Harte
909685d87d A drive with no disk is now happy to spin its motor. 
It'll continue to produce index-hole events, which might not be accurate for 5.25" drives. Research to do.
 2019-10-26 22:57:05 -04:00
Thomas Harte
55710ea00e Switches the presumption to requiring NDEBUG to avoid forced inlines. 2019-10-26 22:43:25 -04:00
Thomas Harte
36a9a5288b Adds drives to the FDC. 2019-10-26 22:39:11 -04:00