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-# sim8800
-An Altair 8800 emulator for Apple II computers
+# Sim8800
+## An Altair 8800 emulator for Apple II computers
+
+Sim-8800 is based on APPLE-80 ©1979 by Dann McCreary.
+
+See the file "SIM8800-instructions.pdf" for instructions and more information.
+
+Additional operating instructions can be found in the APPLE-80 manual. [https://github.com/option8/Apple-80/blob/master/k7_sybex_8080simulator_manual.pdf]
+
+Release 2.0
+
+Requires an Apple IIe with 64K auxiliary memory, 80 column card, or appropriate emulator.
+
+