diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
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+simulation/renderdata.vga
+simulation/write.txt.xz
+simulation/write_back.txt.xz
diff --git a/.gitmodules b/.gitmodules
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+++ b/.gitmodules
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+[submodule "simulation/VGASimulator"]
+	path = simulation/VGASimulator
+	url = ssh://git@git.leserveurdansmongrenier.uk:16822/leo/VGASimulator.git
diff --git a/README.adoc b/README.adoc
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+= Snake VHDL
+
+image:simulation/output.gif[Interface,50%]
+
+Un jeu de Snake en VHDL.
+
+Prévu pour une carte https://digilent.com/reference/programmable-logic/zybo/start[Zybo Zynq-7000], sortie VGA, contrôle par boutons.
+Compilation avec https://www.xilinx.com/products/design-tools/vivado.html[Xilinx Vivado].
diff --git a/simulation/VGASimulator b/simulation/VGASimulator
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+++ b/simulation/VGASimulator
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+Subproject commit 51628f703cdd980bd7bdd5a0003c70723cf176cd
diff --git a/simulation/output.gif b/simulation/output.gif
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