Thomas Harte
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7a241b5ef5
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Added just enough hopefully to allow implementation of the keyboard-input VIA.
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2016-06-11 11:34:39 -04:00 |
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Thomas Harte
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de84758862
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This is how flags writes are supposed to work, it seems.
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2016-06-11 07:58:32 -04:00 |
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Thomas Harte
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1054793fd7
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Fixed interrupt enable register. This makes a lot more sense!
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2016-06-11 07:57:04 -04:00 |
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Thomas Harte
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82a3c4964b
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Decided to keep the internal copy of the interrupt enable the other way around. Reduced delegate noise.
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2016-06-11 07:49:07 -04:00 |
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Thomas Harte
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a71259dec3
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Gave the 6522 a full and grouped register set.
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2016-06-11 07:12:55 -04:00 |
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Thomas Harte
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f3b1d7de82
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... and that's a flashing cursor. Keyboard input next!
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2016-06-09 22:37:59 -04:00 |
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Thomas Harte
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e99055bedb
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Attempted switching back to a square wave for the composite video and otherwise implementing what's necessary to get to that flashing cursor — the 6560 returns its scan line and the timing bits of the 6522 are appearing.
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2016-06-08 22:15:24 -04:00 |
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Thomas Harte
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581eace478
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Increased logging slightly, ensured all of colour RAM can be read, slightly improved the 2600 pixel decoder.
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2016-06-07 22:01:14 -04:00 |
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Thomas Harte
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26ab96868a
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Decided to turn the 6522 into a template, since it's a per-cycle thing with variable behaviour. Added appropriate memory map callouts to hit the two in the Vic. Though they don't yet do anything.
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2016-06-07 19:15:18 -04:00 |
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Thomas Harte
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6522530e1c
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Actually, I'm dithering over whether the 6522 should be an ordinary class or a curiously-recurring template. But it'll need a file, definitely.
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2016-06-06 21:56:02 -04:00 |
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