Testing, reading and writing bytes

ROMWireProtocol.h

@@ -0,0 +1,33 @@
+#include <Arduino.h>
+
+#define OE 3
+// PGM is also WE# according to data sheet
+#define PGM 2
+
+// 18 pin address line
+#define Addr0 22
+#define Addr18 40
+
+// 8 pin data line
+#define Data0 44
+#define Data7 51
+
+void setCtrlPins();
+
+void setAddrPinsOut();
+
+void setDataPinsOut();
+
+void setDataPinsIn();
+
+void setByte(byte out);
+
+void setAddress(unsigned long addr);
+
+byte readByte();
+
+byte readData(unsigned long address);
+
+void writeByte(byte data, unsigned long address);
+
+void programData(byte data, unsigned long address);