diff --git a/armsrc/apps.h b/armsrc/apps.h
index c3d3bae12..5ecd1753c 100644
--- a/armsrc/apps.h
+++ b/armsrc/apps.h
@@ -20,6 +20,10 @@ typedef unsigned char byte_t;
 // maybe processed in some way.
 uint32_t BigBuf[8000];
 
+// This may be used (sparingly) to declare a function to be copied to
+// and executed from RAM
+#define RAMFUNC __attribute((long_call, section(".ramfunc")))
+
 /// appmain.h
 void ReadMem(int addr);
 void __attribute__((noreturn)) AppMain(void);
@@ -97,7 +101,7 @@ void ReadSTMemoryIso14443(uint32_t parameter,uint32_t dwLast);
 void SnoopIso14443(void);
 
 /// iso14443a.h
-void SnoopIso14443a(void);
+void RAMFUNC SnoopIso14443a(void);
 void SimulateIso14443aTag(int tagType, int TagUid);	// ## simulate iso14443a tag
 void ReaderIso14443a(UsbCommand * c, UsbCommand * ack);
 void ReaderMifare(uint32_t parameter);
diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index c3f6647b4..dd0f2689a 100644
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -146,7 +146,7 @@ static struct {
     uint8_t   *output;
 } Uart;
 
-static int MillerDecoding(int bit)
+static RAMFUNC int MillerDecoding(int bit)
 {
 	int error = 0;
 	int bitright;
@@ -410,7 +410,7 @@ static struct {
     uint8_t   *output;
 } Demod;
 
-static int ManchesterDecoding(int v)
+static RAMFUNC int ManchesterDecoding(int v)
 {
 	int bit;
 	int modulation;
@@ -607,7 +607,7 @@ static int ManchesterDecoding(int v)
 // triggering so that we start recording at the point that the tag is moved
 // near the reader.
 //-----------------------------------------------------------------------------
-void SnoopIso14443a(void)
+void RAMFUNC SnoopIso14443a(void)
 {
 //	#define RECV_CMD_OFFSET 	2032	// original (working as of 21/2/09) values
 //	#define RECV_RES_OFFSET		2096	// original (working as of 21/2/09) values
diff --git a/armsrc/ldscript b/armsrc/ldscript
index 70be53b54..dcb04bf09 100644
--- a/armsrc/ldscript
+++ b/armsrc/ldscript
@@ -47,6 +47,7 @@ SECTIONS
 	.data : {
 		*(.data)
 		*(.data.*)
+		*(.ramfunc)
 		. = ALIGN(4);
 	} >ram AT>osimage :data