diff --git a/rdisk.c b/rdisk.c
index c01f69c..eb5a83d 100644
--- a/rdisk.c
+++ b/rdisk.c
@@ -14,8 +14,8 @@ static void RDDecodeSettings(Ptr unmountEN, Ptr mountEN, Ptr ramEN, Ptr dbgEN, P
 	char r = 0, a = 0;
 	long tmax = TickCount() + 60;
 	for (long i = 0; i < 1000000; i++) {
-		a |= RDiskIsAPressed();
-		r |= RDiskIsRPressed() | a;
+		a |= IsAPressed();
+		r |= IsRPressed() | a;
 		if (r) { break; }
 		if (TickCount() > tmax) { break; }
 	}
diff --git a/rdisk.h b/rdisk.h
index cb98c2c..01638cf 100644
--- a/rdisk.h
+++ b/rdisk.h
@@ -20,8 +20,8 @@ OSErr RDiskReadXPRAM(short numBytes, short whichByte, Ptr dest) = {0x4840, 0x300
 #pragma parameter __D0 RDiskAddDrive(__D1, __D0, __A0)
 OSErr RDiskAddDrive(short drvrRefNum, short drvNum, DrvQElPtr dq) = {0x4840, 0x3001, 0xA04E};
 
-static inline char RDiskIsRPressed() { return *((volatile char*)0x175) & 0x80; }
-static inline char RDiskIsAPressed() { return *((volatile char*)0x174) & 0x01; }
+static inline char IsAPressed() { return *((volatile char*)0x174) & 0x01; }
+static inline char IsRPressed() { return *((volatile char*)0x175) & 0x80; }
 
 #define RDISK_ICON_SIZE (285)
 typedef struct RDiskStorage_s {