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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c7c55528e2
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Realised that registers appear also to be readable.
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2016-06-06 20:29:39 -04:00 |
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Thomas Harte
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9e9e50edb1
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Added guess on how colour memory and the 12-bit bus possibly works.
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2016-06-05 16:28:06 -04:00 |
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Thomas Harte
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2ab21e7a3c
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Switched to a real (unexpanded) memory map, meaning that nonsense is no longer being supplied to the VIC.
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2016-06-05 16:00:35 -04:00 |
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Thomas Harte
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9566c87532
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Added enough to the machine that the 6560 can now produce output if it wishes.
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2016-06-05 12:11:12 -04:00 |
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Thomas Harte
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b56482607e
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Added just enough that the 6502 should now be operating correctly.
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2016-06-05 11:44:29 -04:00 |
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Thomas Harte
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0b221e773f
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Fixed ROM naming and sizes, ensured machines without sound outputs don't end up with an audio queue.
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2016-06-05 11:20:05 -04:00 |
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Thomas Harte
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f922d38ed2
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The Vic now captures the ROMs sent to it and has just enough infrastructure to get to a black screen. Progress!
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2016-06-05 10:51:07 -04:00 |
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Thomas Harte
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12243c40ad
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Kicking the ball a little further down the road, ROMs and PRGs now reach the actual emulated machine.
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2016-06-05 09:06:59 -04:00 |
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Thomas Harte
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b10a06e700
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A CRT is still absent but this moves the ball back into the C++ side's court.
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2016-06-04 22:00:50 -04:00 |
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Thomas Harte
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404873fe58
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Started sketching out infrastructure for Vic-20 support.
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2016-06-04 21:43:50 -04:00 |
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