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Author SHA1 Message Date
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
Thomas Harte
e89be6249d Adds a logging prefix. 2019-10-26 22:38:56 -04:00
Thomas Harte
ac39fd0235 Starts work on the DMA controller. 2019-10-26 21:33:57 -04:00
Thomas Harte
ecc0cea5a1 Added a potential branch for the newer TOS memory map. 2019-10-26 16:52:06 -04:00
Thomas Harte
eae11cbf17 Adds a dummy response for mouse interrogation. 2019-10-26 16:14:24 -04:00
Thomas Harte
e96386f572 Takes another stab at MFP interrupt management. 2019-10-26 15:55:19 -04:00
Thomas Harte
a8d481a764 Writes to the pending register appear to be able to clear interrupts too. 2019-10-25 22:46:30 -04:00
Thomas Harte
2207638287 Adds hsync and vsync interrupts. 2019-10-25 22:42:13 -04:00
Thomas Harte
872897029e Attempts a complete wiring of 68901 interrupts. 2019-10-25 22:36:01 -04:00
Thomas Harte
51b4b5551d Actually, I think the 6850 is active low for interrupts. 2019-10-24 22:37:53 -04:00
Thomas Harte
7a2de47f58 Corrects interrupt mask generation. 2019-10-24 22:37:32 -04:00
Thomas Harte
f2f98ed60c Attempts some part of interrupt decision making. 2019-10-24 22:33:42 -04:00
Thomas Harte
77f14fa638 Starts trying to make sense of interrupts. 2019-10-23 23:09:49 -04:00
Thomas Harte
f09a240e6c Gives myself more trace details. 2019-10-21 23:20:03 -04:00
Thomas Harte
092a61f93e Does a better job of having just 512kb. 2019-10-21 23:10:30 -04:00
Thomas Harte
e30ba58e0d Attempts to wire ACIA interrupt signals into the MFP. 2019-10-21 23:02:30 -04:00
Thomas Harte
7cb82fccc0 Attempts properly to maintain interrupt flag; adds delegate. 2019-10-21 22:40:38 -04:00
Thomas Harte
ed9a5b0430 Adds receipt interrupt. 2019-10-21 21:27:57 -04:00
Thomas Harte
8f59a73425 Corrects incoming data capture. 2019-10-21 20:18:52 -04:00
Thomas Harte
91223b9ec8 Sets default level to high. 2019-10-21 20:18:33 -04:00
Thomas Harte
83f5f0e2ad Begins trying to receive ACIA data. 2019-10-21 20:10:19 -04:00
Thomas Harte
cf37e9f5de Remove source control markers. 2019-10-20 23:40:51 -04:00
Thomas Harte
e4f7ead894 Merge branch 'AtariST' of github.com:TomHarte/CLK into AtariST 2019-10-20 23:40:01 -04:00
Thomas Harte
4134463094 The ACIA now receives bits. 2019-10-20 23:34:30 -04:00
Thomas Harte
83d73fb088 The keyboard now responds to a reset on its serial line. 2019-10-20 23:13:44 -04:00
Thomas Harte
75c3e2dacd Adds basic, incomplete dispatcher for the intelligent keyboard. 2019-10-20 23:07:19 -04:00
Thomas Harte
cf07982a9b Ensures good serial line and ACIA behaviour. 
Next stop: having the intelligent keyboard react.
 2019-10-20 22:10:05 -04:00
Thomas Harte
313aaa8f95 Silences temporarily. 2019-10-20 20:38:56 -04:00
Thomas Harte
2e86dada1d Ensures updates even when the event queue is empty. 2019-10-20 20:38:56 -04:00
Thomas Harte
696af5c3a6 Starts to transfer serial line decoding logic into the line itself. 2019-10-20 20:38:56 -04:00
Thomas Harte
f08b38d0ae Silences, temporarily. 2019-10-20 20:38:55 -04:00
Thomas Harte
9a8352282d Mostly but not quite fixes serial work. 2019-10-20 20:38:55 -04:00
Thomas Harte
3d03cce6b1 Starts working on the GPIP functionality block. 2019-10-20 20:38:55 -04:00
Thomas Harte
34075a7674 Attempts to tie an intelligent keyboard to the other end of its serial line. 2019-10-20 20:38:55 -04:00
Thomas Harte
f79c87659f Corrects documentation error. 2019-10-20 20:38:55 -04:00
Thomas Harte
c10b64e1c0 Adds a received_data_ register, that presently can never fill. 2019-10-20 20:38:55 -04:00
Thomas Harte
5d5fe52144 Corrects transmission logic — exactly hitting write_data_time_remaining now works properly. 2019-10-20 20:38:55 -04:00
Thomas Harte
d461331fd2 Ensures remaining_delays_ is set properly after [reset/flush]_writing. 2019-10-20 20:38:55 -04:00
Thomas Harte
ff62eb6dce The ACIA actually has two clocks, though on an ST they're both 500,000 Hz. 2019-10-20 20:38:55 -04:00
Thomas Harte
374439693e Ensures serial lines know their writer's clock rate. 2019-10-20 20:38:55 -04:00
Thomas Harte
c4ef33b23f JustInTimeActors can now specify a clock divider. 2019-10-20 20:38:55 -04:00