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Merged
merged 8 commits into from
Apr 27, 2021
Merged

Include information about the window's internal line counter #279

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d6448a9
Include information about the window's internal line counter
allkern Apr 25, 2021
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Update Rendering.md
allkern Apr 26, 2021
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Update Video_Display.md
allkern Apr 26, 2021
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Update Video_Display.md
allkern Apr 26, 2021
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Update Video_Display.md
allkern Apr 26, 2021
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allkern Apr 26, 2021
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Update Video_Display.md
allkern Apr 26, 2021
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Update Video_Display.md
allkern Apr 26, 2021
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Expand Up @@ -590,6 +590,14 @@ Whether the Window is displayed can be toggled using
(See [above](#ff4a-wy-window-y-position-r-w-ff4b-wx-window-x-position-7-r-w)
for the definition of "Window visibility".)

::: tip Window Internal Line Counter

The window keeps an internal line counter that's functionally similar to `LY`, and increments alongside it. However, it only gets incremented when the window is visible, as described [here](#ff4a-wy-window-y-position-r-w-ff4b-wx-window-x-position-7-r-w).

This line counter determines what window line is to be rendered on the current scanline.

:::

# VRAM Banks (CGB only)

The CGB has twice the VRAM of the DMG, but it is banked and either bank
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