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Commit Graph

60 Commits

Author SHA1 Message Date
Thomas Harte
7a241b5ef5 Added just enough hopefully to allow implementation of the keyboard-input VIA. 2016-06-11 11:34:39 -04:00
Thomas Harte
de84758862 This is how flags writes are supposed to work, it seems. 2016-06-11 07:58:32 -04:00
Thomas Harte
1054793fd7 Fixed interrupt enable register. This makes a lot more sense! 2016-06-11 07:57:04 -04:00
Thomas Harte
82a3c4964b Decided to keep the internal copy of the interrupt enable the other way around. Reduced delegate noise. 2016-06-11 07:49:07 -04:00
Thomas Harte
a71259dec3 Gave the 6522 a full and grouped register set. 2016-06-11 07:12:55 -04:00
Thomas Harte
f3b1d7de82 ... and that's a flashing cursor. Keyboard input next! 2016-06-09 22:37:59 -04:00
Thomas Harte
e99055bedb 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. 2016-06-08 22:15:24 -04:00
Thomas Harte
581eace478 Increased logging slightly, ensured all of colour RAM can be read, slightly improved the 2600 pixel decoder. 2016-06-07 22:01:14 -04:00
Thomas Harte
26ab96868a 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. 2016-06-07 19:15:18 -04:00
Thomas Harte
6522530e1c 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. 2016-06-06 21:56:02 -04:00