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diff --git a/test/geekos_test_vm/include/geekos/io_devs.h b/test/geekos_test_vm/include/geekos/io_devs.h
new file mode 100644
index 0000000..6e6e24a
--- /dev/null
+++ b/test/geekos_test_vm/include/geekos/io_devs.h
@@ -0,0 +1,19 @@
+#ifndef _io_devs
+#define _io_devs
+
+
+//
+//
+// PIC: Programmable Interrupt Controller
+//
+#define PIC_MASTER_CMD_ISR_PORT 0x20   // Port where the master PIC command and status register is
+#define PIC_MASTER_IMR_PORT     0x21   // Port where the master PIC interrupt mask register is
+#define PIC_SLAVE_CMD_ISR_PORT  0xa0   // Port where the slave PIC command and status register is
+#define PIC_SLAVE_IMR_PORT      0xa1   // Port where the slave PIC interrupt mask register is
+
+
+#define BOOT_STATE_CARD_PORT    0x80   // hex codes sent here for display
+
+
+
+#endif