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Author SHA1 Message Date
Thomas Harte
780916551f Corrects sync generation. 2019-10-20 20:38:54 -04:00
Thomas Harte
305b1211ba Makes a first attempt to box out the ST display area. 2019-10-20 20:38:54 -04:00
Thomas Harte
2cf52fb89c Makes an unsuccessful first attempt at some timer functionality. 2019-10-20 20:38:54 -04:00
Thomas Harte
6e1b606adf Adds a target for MFP read/write operations. 
Completely without any implementation, so far.
 2019-10-20 20:38:54 -04:00
Thomas Harte
3bb0bf9e14 Adds some semblance of an AY. 2019-10-20 20:38:54 -04:00
Thomas Harte
87a6d22894 Starts to formalise the ST memory map a little. 2019-10-20 20:38:54 -04:00
Thomas Harte
484a0ceeb8 Starts forming an Atari ST memory map. 2019-10-20 20:38:54 -04:00
Thomas Harte
da1436abd2 Gifts the Atari ST a 68000 and non-functional video. 2019-10-20 20:38:54 -04:00
Thomas Harte
125f781ced Starts to create an actual shell of a machine. 2019-10-20 20:38:54 -04:00
Thomas Harte
c66c484c54 Removes unused includes. 2019-10-20 20:38:54 -04:00
Thomas Harte
345b32d6e3 Implements read-only MSA support. 2019-10-20 20:38:54 -04:00
Thomas Harte
8b397626bf Adds a route through the static analyser to the Atari ST. 2019-10-20 20:38:54 -04:00
Thomas Harte
0da1881a07 Adds an Atari ST enumeration and factory method. 2019-10-20 20:38:54 -04:00
Thomas Harte
d4077afd30
Merge pull request #665 from TomHarte/CPCCrash 
Slightly improves CPC performance
 2019-10-20 20:19:29 -04:00
Thomas Harte
95c45b5515 This can be const. 2019-10-20 17:22:56 -04:00
Thomas Harte
684644420a Increases scan buffer availability. 2019-10-20 17:22:41 -04:00
Thomas Harte
735586f5f8 Corrects tabs; adds potential output_border optimisation. 2019-10-19 21:20:34 -04:00
Thomas Harte
ddae086661
Merge pull request #664 from TomHarte/DataAllocationGuards 
Adds safety checks around video data allocation
 2019-10-19 18:36:05 -04:00
Thomas Harte
9c7aa5f3fc Attempts also to spot data writes without allocations. 2019-10-19 18:26:56 -04:00
Thomas Harte
418cd07e17 Adds a check against overrunning data. 2019-10-19 18:17:44 -04:00
Thomas Harte
2ae5739b8b Silences temporarily. 2019-10-17 23:59:51 -04:00
Thomas Harte
e095a622d3 Ensures updates even when the event queue is empty. 2019-10-17 23:59:43 -04:00
Thomas Harte
9ab49065cd Starts to transfer serial line decoding logic into the line itself. 2019-10-17 23:34:39 -04:00
Thomas Harte
ab50f17d87 Silences, temporarily. 2019-10-16 23:34:49 -04:00
Thomas Harte
f5a2e180f9 Mostly but not quite fixes serial work. 2019-10-16 23:34:37 -04:00
Thomas Harte
f2e1584275 Starts working on the GPIP functionality block. 2019-10-16 23:21:25 -04:00
Thomas Harte
0fd8813ddb Attempts to tie an intelligent keyboard to the other end of its serial line. 2019-10-16 23:21:14 -04:00
Thomas Harte
b69180ba01 Corrects documentation error. 2019-10-16 23:19:42 -04:00
Thomas Harte
c352d8ae8c Adds a received_data_ register, that presently can never fill. 2019-10-13 23:04:57 -04:00
Thomas Harte
530e831064 Corrects transmission logic — exactly hitting write_data_time_remaining now works properly. 2019-10-13 21:40:46 -04:00
Thomas Harte
3b165a78f2 Ensures remaining_delays_ is set properly after [reset/flush]_writing. 2019-10-13 21:39:25 -04:00
Thomas Harte
8d87e9eb1c The ACIA actually has two clocks, though on an ST they're both 500,000 Hz. 2019-10-13 21:32:34 -04:00
Thomas Harte
f86dc082bb Ensures serial lines know their writer's clock rate. 2019-10-13 20:41:08 -04:00
Thomas Harte
d7982aa84e JustInTimeActors can now specify a clock divider. 2019-10-13 18:19:39 -04:00
Thomas Harte
516d78f5a8 Attempts to implement transmission interrupts and ClockingHint::Source. 2019-10-12 23:46:57 -04:00
Thomas Harte
8b50a7d6e3 Attempts mostly to implement 6850 output. 2019-10-12 23:14:29 -04:00
Thomas Harte
4bf81d3b90 Decodes the 6850 control register, and starts working on standardised serial ports. 2019-10-12 18:19:55 -04:00
Thomas Harte
cd75978e4e Nudges 6850 towards coherence. 2019-10-12 00:04:02 -04:00
Thomas Harte
fda99d9c5f Ensures all 16 data lines reach the video. 2019-10-10 23:29:46 -04:00
Thomas Harte
c5ebf75351 Attempts to start producing actual video. 2019-10-10 22:46:58 -04:00
Thomas Harte
2581b520af Adds the option to affix a standard prefix to log messages. 2019-10-10 22:45:03 -04:00
Thomas Harte
52e5296544 Provides a token something where DMA should be. 2019-10-10 21:04:41 -04:00
Thomas Harte
d7ce2c26e8 Adds an empty shell for the ACIA. 2019-10-10 20:54:29 -04:00
Thomas Harte
f88e1b1373 Adds enough logic to advance to an ACIA access error. 2019-10-09 23:01:11 -04:00
Thomas Harte
021d4dbaf1 Makes an attempt at tracking video sequence points. 2019-10-08 23:06:50 -04:00
Thomas Harte
dbde8f2ee7 Takes a shot at other display outputs. 2019-10-08 22:29:58 -04:00
Thomas Harte
5d06930df4 Corrects sync generation. 2019-10-08 21:29:17 -04:00
Thomas Harte
7722596a3b Makes a first attempt to box out the ST display area. 2019-10-08 21:18:08 -04:00
Thomas Harte
1de1818ebb Makes an unsuccessful first attempt at some timer functionality. 2019-10-07 22:44:35 -04:00
Thomas Harte
885f890df1 Adds a target for MFP read/write operations. 
Completely without any implementation, so far.
 2019-10-06 23:14:05 -04:00