eric/SD2-m2: GNU Modula-2 binding of SDL2 library.

Eric Streit 95d7773c1c feat: snake demo port with keyboard event decoding		2 周之前
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SDLUtils.def	95d7773c1c feat: snake demo port with keyboard event decoding	2 周之前
SDLUtils.mod	95d7773c1c feat: snake demo port with keyboard event decoding	2 周之前