diff --git a/include/c64.h b/include/c64.h
index 1d1c48a41..b5606ad8d 100644
--- a/include/c64.h
+++ b/include/c64.h
@@ -67,6 +67,7 @@
 #define COLOR_RED    	       	0x02
 #define COLOR_CYAN      	0x03
 #define COLOR_VIOLET 	       	0x04
+#define COLOR_PURPLE            COLOR_VIOLET
 #define COLOR_GREEN  	       	0x05
 #define COLOR_BLUE   	       	0x06
 #define COLOR_YELLOW 	       	0x07
@@ -97,7 +98,7 @@
 #define C64_OS_US       0xAA            /* US version */
 #define C64_OS_PET64    0x64            /* PET 64 */
 #define C64_OS_SX64     0x43            /* SX-64 */
-#define C64_EU_NEW      0x03            
+#define C64_EU_NEW      0x03
 #define C64_EU_OLD      0x00
 
 
diff --git a/include/cbm264.h b/include/cbm264.h
index a8d40ab3e..8932b66ca 100644
--- a/include/cbm264.h
+++ b/include/cbm264.h
@@ -74,6 +74,7 @@
 #define BCOLOR_RED		0x02
 #define BCOLOR_CYAN    	       	0x03
 #define BCOLOR_VIOLET		0x04
+#define BCOLOR_PURPLE           BCOLOR_VIOLET
 #define BCOLOR_GREEN		0x05
 #define BCOLOR_BLUE		0x06
 #define BCOLOR_YELLOW		0x07
@@ -94,6 +95,7 @@
 #define COLOR_RED    	       	(BCOLOR_RED | CATTR_LUMA4)
 #define COLOR_CYAN        	(BCOLOR_CYAN | CATTR_LUMA7)
 #define COLOR_VIOLET 	       	(BCOLOR_VIOLET | CATTR_LUMA7)
+#define COLOR_PURPLE            COLOR_VIOLET
 #define COLOR_GREEN  	       	(BCOLOR_GREEN | CATTR_LUMA7)
 #define COLOR_BLUE   	       	(BCOLOR_BLUE | CATTR_LUMA7)
 #define COLOR_YELLOW 	       	(BCOLOR_YELLOW | CATTR_LUMA7)
diff --git a/include/cbm510.h b/include/cbm510.h
index 9f03f1217..3755ade92 100644
--- a/include/cbm510.h
+++ b/include/cbm510.h
@@ -75,6 +75,7 @@
 #define COLOR_RED    	       	0x02
 #define COLOR_CYAN      	0x03
 #define COLOR_VIOLET 	       	0x04
+#define COLOR_PURPLE            COLOR_VIOLET
 #define COLOR_GREEN  	       	0x05
 #define COLOR_BLUE   	       	0x06
 #define COLOR_YELLOW 	       	0x07