https://gitlab.synchro.net/main/sbbs/-/commit/f4abff4f838aaa15fbeb2d73
Modified Files:
src/conio/bitmap_con.c sdl_con.c
Log Message:
Use a single memmove() when moving the entire width.

When fast scrolling, memmove() takes most of the CPU by far... it
is likely actually worth having each line be a buffer of its own
and just moving the pointers around. To help with this optimization
in the future, move the screen memmove() bit into a separate function.

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https://gitlab.synchro.net/main/sbbs/-/commit/7291fa08a5ea874c36be5f75
Modified Files:
src/conio/bitmap_con.c sdl_con.c
Log Message:
Add more vstatlock usage where needed, sync cvstat better.

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https://gitlab.synchro.net/main/sbbs/-/commit/64f21b53bd26fb15c232341f
Modified Files:
src/conio/bitmap_con.c sdl_con.c
Log Message:
Work around marco or SDL bug in SDL_SetWindowMinimumSize()

When using the marco WM, and resizing using ALT-Right-drag, calls to SDL_SetWindowMinimumSize() result in the top-left corner of the
window moving up and to the left (appears to be by the border size).

To prevent this from being a maddening issue under marco, ensure
we only call SDL_SetWindowMinimumSize() once when the minimum size
changes on the window.

Fixes SF ticket 115, thanks Ragnarok!

While we're hear, ensure the minimium maximum window size holds
the original sized window... we're not interested in downscaling.

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