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Added programming and serial communication details. |
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Fixed pin labels: RB10/PGEC3 should be RB10/PGED2. |
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Changed diagram font to sans-serif. |
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Fixed markup. |
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Added a diagram of the output routing from pins to the socket. |
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Added initial library documentation. |
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Expanded the documentation of examples, covering the demo example and the common |
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Moved VGA example documentation into the wiki documentation. |
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Added a documentation preparation script. |
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Moved the VGA output examples summary to a separate document. |
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Renamed SignalOutput and added a documentation front page. |
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Added some documentation about VGA signal generation. |
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Minor formatting adjustment. |
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Fixed the line copying routine to actually copy the data! |
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Introduced the copying of line data needed when the start pointer wraps around. |
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Removed support for the vertical scaling of images since it was complicating the |
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Demonstrate multiple sprites moving around at the same time. |
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Separated sprite position and key details from the plotting operation. |
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Added support for unplotting sprites using the viewport and background image. |
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Moved sprite positions out of the stored regions structure. |
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Introduced static font initialisation, modifying the font data format slightly. |
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Modified the image conversion tool for slightly better output. |
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Added support for multiple display windows that can be scrolled separately. |
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Introduced an undefined character definition. Added string writing support. |
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Noted the significance of replicating values in the VGA display structure. |
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Moved the function for updating a tiled image background to the image module. |
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Added a function for tiling sprites across a region, using it in the scrolling |
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Introduced partial sprite plotting into the screen edge update function. |
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Removed a superfluous header file. |
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Introduced a simplified sprite variant for convenience. |
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Moved VGA timing and transfer details to the VGA display abstraction, |
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Fixed parameter name. |
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Simplified display configuration initialisation. |
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Simplified viewport initialisation somewhat. |
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Moved sprite operations to the image module. |
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Introduced a sprite abstraction, bundling an image with stored display regions. |
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Replaced the individual stored region abstraction with a collection abstraction, |
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Introduced an image abstraction, making image data easier to work with. |
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Introduced an abstraction for stored screen region details. |
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Introduced a viewport abstraction to simplify the example program. |
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Introduced screen start address retention for each frame in the display library. |
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Merged changes involving absent files. |
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Added missing files. |
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Extended the documentation, adding build, circuit and programming details. |
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Renamed the display functions to indicate their origin. |
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Moved font structure initialisation into a function. |
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Wrap the text properly when filling the screen with characters. |
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Moved various common functions to a utilities module. |
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Added tag snapshot-20181108 for changeset e83be2917e9a |
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Fixed pixel positioning for single-channel timed transfers, introducing the line |
snapshot-20181108 |
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Added diagrams from VGAPIC32 plus new diagrams illustrating new solutions. |
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Switch to double-buffering. Only vga-cpu and vga-timer are actually usable. |
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Fixed screen edge updates where update columns span the background image edge. |
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Introduced multiple frame usage in the example. |
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Added support for source image scaling where images might be used in single- and |
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Introduced various pointer address wrapping functions. |
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Fixed erroneous frame size definitions. |
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Introduced a separate function to set up the background image. |
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Merged concurrent changes. |
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Introduced a function to wait for the end of the visible region. |
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