diff --git a/lab17/ProgramCounter.circ b/lab17/ProgramCounter.circ
index 7b8ae08..72bc745 100644
--- a/lab17/ProgramCounter.circ
+++ b/lab17/ProgramCounter.circ
@@ -53,6 +53,12 @@ This file is intended to be loaded by Logisim (http://www.cburch.com/logisim/).
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diff --git a/lab18/immedAndIR_CalebFontenot.circ b/lab18/immedAndIR_CalebFontenot.circ
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index 0000000..ca73c1b
--- /dev/null
+++ b/lab18/immedAndIR_CalebFontenot.circ
@@ -0,0 +1,377 @@
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diff --git a/lab18/labIRandPC.pdf b/lab18/labIRandPC.pdf
new file mode 100644
index 0000000..2a784c8
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diff --git a/lab18/pcAndImmediateRegister.png b/lab18/pcAndImmediateRegister.png
new file mode 100644
index 0000000..a19695f
Binary files /dev/null and b/lab18/pcAndImmediateRegister.png differ
diff --git a/lab18/what.png b/lab18/what.png
new file mode 100644
index 0000000..3a2f2ea
Binary files /dev/null and b/lab18/what.png differ