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Code Issues Projects Releases Wiki Activity
5,538 Commits 8 Branches 121 Tags 496 MiB
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Commit Graph

25 Commits

Author SHA1 Message Date
Thomas Harte
b7c407be10 The palette is meant to be read/write. 2019-11-07 23:11:06 -05:00
Thomas Harte
7c66d7a13c Corrects sync and line-length latch timings. 2019-11-07 22:53:04 -05:00
Thomas Harte
5e1570258d I think the horizontal interrupt is blank, not sync. 2019-11-07 22:00:50 -05:00
Thomas Harte
fc8021c0b0 Adds a centre crop. 2019-11-07 20:02:45 -05:00
Thomas Harte
c9cd56915e Corrects typo that was adding an extra line of PAL video. 2019-11-07 19:55:49 -05:00
Thomas Harte
ce66b5fd9c Corrected member variable names. 2019-11-07 19:44:22 -05:00
Thomas Harte
8aa425c9d8 Fixes medium resolution mode. 2019-11-06 23:25:36 -05:00
Thomas Harte
ec68bc5047 Corrects output glitches: channel de sync and improper border beginnings. 2019-11-06 22:37:05 -05:00
Thomas Harte
0ce807805d Eliminates most masks, at least for now. 2019-11-05 23:17:59 -05:00
Thomas Harte
41f3c29e30 Attempts to switch to correct video state machine. 
Some glitches remain to be ironed out.
 2019-11-05 23:02:25 -05:00
Thomas Harte
f93cdd21de Reverses bit order. 
So, for the first time: a green desktop.
 2019-11-02 21:53:04 -04:00
Thomas Harte
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
1c154131f9 Expands size of storage in Cycles/HalfCycles; adjusts widely to compensate. 2019-10-29 22:36:29 -04:00
Thomas Harte
1aaa6331a0 Stores and returns video mode. 2019-10-27 22:39:00 -04:00
Thomas Harte
092a61f93e Does a better job of having just 512kb. 2019-10-21 23:10:30 -04:00
Thomas Harte
313aaa8f95 Silences temporarily. 2019-10-20 20:38:56 -04:00
Thomas Harte
97d44129cb Ensures all 16 data lines reach the video. 2019-10-20 20:38:55 -04:00
Thomas Harte
b0f5f7bd37 Attempts to start producing actual video. 2019-10-20 20:38:55 -04:00
Thomas Harte
127bb043e7 Adds enough logic to advance to an ACIA access error. 2019-10-20 20:38:55 -04:00
Thomas Harte
42ebe06474 Makes an attempt at tracking video sequence points. 2019-10-20 20:38:55 -04:00
Thomas Harte
74fe32da23 Takes a shot at other display outputs. 2019-10-20 20:38:55 -04:00
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
da1436abd2 Gifts the Atari ST a 68000 and non-functional video. 2019-10-20 20:38:54 -04:00