diff --git a/asminc/cx16.inc b/asminc/cx16.inc
index 4d9ce89db..4e5971593 100644
--- a/asminc/cx16.inc
+++ b/asminc/cx16.inc
@@ -10,8 +10,7 @@
   WHITE
   RED
   CYAN
-  VIOLET
-  PURPLE        = VIOLET
+  PURPLE
   GREEN
   BLUE
   YELLOW
@@ -84,7 +83,6 @@ LIGHTGREEN
 LIGHTBLUE
 GRAY3
 PURPLE
-VIOLET          = PURPLE
 CURS_LEFT
 YELLOW
 CYAN
diff --git a/include/apple2.h b/include/apple2.h
index 41b45f58f..2735e948b 100644
--- a/include/apple2.h
+++ b/include/apple2.h
@@ -58,8 +58,7 @@
 /* TGI color defines */
 #define TGI_COLOR_BLACK         0x00
 #define TGI_COLOR_GREEN         0x01
-#define TGI_COLOR_VIOLET        0x02
-#define TGI_COLOR_PURPLE        TGI_COLOR_VIOLET
+#define TGI_COLOR_PURPLE        0x02
 #define TGI_COLOR_WHITE         0x03
 #define TGI_COLOR_BLACK2        0x04
 #define TGI_COLOR_ORANGE        0x05
diff --git a/include/atari.h b/include/atari.h
index ab3ce81e6..781ee7a80 100644
--- a/include/atari.h
+++ b/include/atari.h
@@ -392,8 +392,7 @@ extern void atrx15p2_tgi[];
 #define COLOR_WHITE      GTIA_COLOR_WHITE
 #define COLOR_RED        GTIA_COLOR_RED
 #define COLOR_CYAN       GTIA_COLOR_CYAN
-#define COLOR_VIOLET     GTIA_COLOR_VIOLET
-#define COLOR_PURPLE     COLOR_VIOLET
+#define COLOR_PURPLE     GTIA_COLOR_VIOLET
 #define COLOR_GREEN      GTIA_COLOR_GREEN
 #define COLOR_BLUE       GTIA_COLOR_BLUE
 #define COLOR_YELLOW     GTIA_COLOR_YELLOW
@@ -411,8 +410,7 @@ extern void atrx15p2_tgi[];
 #define TGI_COLOR_WHITE      COLOR_WHITE
 #define TGI_COLOR_RED        COLOR_RED
 #define TGI_COLOR_CYAN       COLOR_CYAN
-#define TGI_COLOR_VIOLET     COLOR_VIOLET
-#define TGI_COLOR_PURPLE     TGI_COLOR_VIOLET
+#define TGI_COLOR_PURPLE     COLOR_PURPLE
 #define TGI_COLOR_GREEN      COLOR_GREEN
 #define TGI_COLOR_BLUE       COLOR_BLUE
 #define TGI_COLOR_YELLOW     COLOR_YELLOW
diff --git a/include/c128.h b/include/c128.h
index 623e5f99d..ee1dce99e 100644
--- a/include/c128.h
+++ b/include/c128.h
@@ -60,8 +60,7 @@
 #define COLOR_WHITE             0x01
 #define COLOR_RED               0x02
 #define COLOR_CYAN              0x03
-#define COLOR_VIOLET            0x04
-#define COLOR_PURPLE            COLOR_VIOLET
+#define COLOR_PURPLE            0x04
 #define COLOR_GREEN             0x05
 #define COLOR_BLUE              0x06
 #define COLOR_YELLOW            0x07
@@ -79,8 +78,7 @@
 #define TGI_COLOR_WHITE         COLOR_WHITE
 #define TGI_COLOR_RED           COLOR_RED
 #define TGI_COLOR_CYAN          COLOR_CYAN
-#define TGI_COLOR_VIOLET        COLOR_VIOLET
-#define TGI_COLOR_PURPLE        TGI_COLOR_VIOLET
+#define TGI_COLOR_PURPLE        COLOR_PURPLE
 #define TGI_COLOR_GREEN         COLOR_GREEN
 #define TGI_COLOR_BLUE          COLOR_BLUE
 #define TGI_COLOR_YELLOW        COLOR_YELLOW
diff --git a/include/c64.h b/include/c64.h
index afe47ece6..f501a4e7f 100644
--- a/include/c64.h
+++ b/include/c64.h
@@ -66,8 +66,7 @@
 #define COLOR_WHITE             0x01
 #define COLOR_RED               0x02
 #define COLOR_CYAN              0x03
-#define COLOR_VIOLET            0x04
-#define COLOR_PURPLE            COLOR_VIOLET
+#define COLOR_PURPLE            0x04
 #define COLOR_GREEN             0x05
 #define COLOR_BLUE              0x06
 #define COLOR_YELLOW            0x07
@@ -85,7 +84,6 @@
 #define TGI_COLOR_WHITE         COLOR_WHITE
 #define TGI_COLOR_RED           COLOR_RED
 #define TGI_COLOR_CYAN          COLOR_CYAN
-#define TGI_COLOR_VIOLET        COLOR_VIOLET
 #define TGI_COLOR_PURPLE        COLOR_PURPLE
 #define TGI_COLOR_GREEN         COLOR_GREEN
 #define TGI_COLOR_BLUE          COLOR_BLUE
diff --git a/include/cbm264.h b/include/cbm264.h
index a51ee79c5..4951df518 100644
--- a/include/cbm264.h
+++ b/include/cbm264.h
@@ -79,8 +79,7 @@
 #define BCOLOR_WHITE            0x01
 #define BCOLOR_RED              0x02
 #define BCOLOR_CYAN             0x03
-#define BCOLOR_VIOLET           0x04
-#define BCOLOR_PURPLE           BCOLOR_VIOLET
+#define BCOLOR_PURPLE           0x04
 #define BCOLOR_GREEN            0x05
 #define BCOLOR_BLUE             0x06
 #define BCOLOR_YELLOW           0x07
@@ -98,8 +97,7 @@
 #define COLOR_WHITE             (BCOLOR_WHITE | CATTR_LUMA7)
 #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_PURPLE            (BCOLOR_VIOLET | CATTR_LUMA7)
 #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 3d6ccd209..20b334ed9 100644
--- a/include/cbm510.h
+++ b/include/cbm510.h
@@ -78,8 +78,7 @@
 #define COLOR_WHITE             0x01
 #define COLOR_RED               0x02
 #define COLOR_CYAN              0x03
-#define COLOR_VIOLET            0x04
-#define COLOR_PURPLE            COLOR_VIOLET
+#define COLOR_PURPLE            0x04
 #define COLOR_GREEN             0x05
 #define COLOR_BLUE              0x06
 #define COLOR_YELLOW            0x07
diff --git a/include/cx16.h b/include/cx16.h
index 179021e84..4100da631 100644
--- a/include/cx16.h
+++ b/include/cx16.h
@@ -70,7 +70,6 @@
 #define CH_LIGHTBLUE            0x9A
 #define CH_GRAY3                0x9B
 #define CH_PURPLE               0x9C
-#define CH_VIOLET               CH_PURPLE
 #define CH_YELLOW               0x9E
 #define CH_CYAN                 0x9F
 #define CH_SHIFT_SPACE          0xA0
@@ -96,8 +95,7 @@
 #define COLOR_WHITE             0x01
 #define COLOR_RED               0x02
 #define COLOR_CYAN              0x03
-#define COLOR_VIOLET            0x04
-#define COLOR_PURPLE            COLOR_VIOLET
+#define COLOR_PURPLE            0x04
 #define COLOR_GREEN             0x05
 #define COLOR_BLUE              0x06
 #define COLOR_YELLOW            0x07
@@ -116,7 +114,6 @@
 #define TGI_COLOR_WHITE         COLOR_WHITE
 #define TGI_COLOR_RED           COLOR_RED
 #define TGI_COLOR_CYAN          COLOR_CYAN
-#define TGI_COLOR_VIOLET        COLOR_VIOLET
 #define TGI_COLOR_PURPLE        COLOR_PURPLE
 #define TGI_COLOR_GREEN         COLOR_GREEN
 #define TGI_COLOR_BLUE          COLOR_BLUE
diff --git a/include/geos.h b/include/geos.h
index 3f760b6ad..99b49777f 100644
--- a/include/geos.h
+++ b/include/geos.h
@@ -67,7 +67,6 @@
 #define COLOR_WHITE             WHITE
 #define COLOR_RED               RED
 #define COLOR_CYAN              CYAN
-#define COLOR_VIOLET            PURPLE
 #define COLOR_PURPLE            PURPLE
 #define COLOR_GREEN             GREEN
 #define COLOR_BLUE              BLUE
@@ -85,7 +84,6 @@
 #define TGI_COLOR_WHITE         COLOR_WHITE
 #define TGI_COLOR_RED           COLOR_RED
 #define TGI_COLOR_CYAN          COLOR_CYAN
-#define TGI_COLOR_VIOLET        COLOR_VIOLET
 #define TGI_COLOR_PURPLE        COLOR_PURPLE
 #define TGI_COLOR_GREEN         COLOR_GREEN
 #define TGI_COLOR_BLUE          COLOR_BLUE
diff --git a/include/lynx.h b/include/lynx.h
index cf8f32b59..6c7e13da9 100644
--- a/include/lynx.h
+++ b/include/lynx.h
@@ -64,8 +64,7 @@
 #define COLOR_LIGHTGREEN        0x09
 #define COLOR_GREEN             0x0A
 #define COLOR_DARKBROWN         0x0B
-#define COLOR_VIOLET            0x0C
-#define COLOR_PURPLE            COLOR_VIOLET
+#define COLOR_PURPLE            0x0C
 #define COLOR_BLUE              0x0D
 #define COLOR_LIGHTBLUE         0x0E
 #define COLOR_WHITE             0x0F
@@ -84,8 +83,7 @@
 #define TGI_COLOR_LIGHTGREEN    COLOR_LIGHTGREEN
 #define TGI_COLOR_GREEN         COLOR_GREEN
 #define TGI_COLOR_DARKBROWN     COLOR_DARKBROWN
-#define TGI_COLOR_VIOLET        COLOR_VIOLET
-#define TGI_COLOR_PURPLE        TGI_COLOR_VIOLET
+#define TGI_COLOR_PURPLE        COLOR_PURPLE
 #define TGI_COLOR_BLUE          COLOR_BLUE
 #define TGI_COLOR_LIGHTBLUE     COLOR_LIGHTBLUE
 #define TGI_COLOR_WHITE         COLOR_WHITE
diff --git a/include/nes.h b/include/nes.h
index 0724418b2..9537dd698 100644
--- a/include/nes.h
+++ b/include/nes.h
@@ -69,8 +69,7 @@
 #define COLOR_WHITE             0x01
 #define COLOR_RED               0x02
 #define COLOR_CYAN              0x03
-#define COLOR_VIOLET            0x04
-#define COLOR_PURPLE            COLOR_VIOLET
+#define COLOR_PURPLE            0x04
 #define COLOR_GREEN             0x05
 #define COLOR_BLUE              0x06
 #define COLOR_YELLOW            0x07
@@ -96,8 +95,7 @@
 #define TGI_COLOR_LIGHTGREEN    COLOR_LIGHTGREEN
 #define TGI_COLOR_GREEN         COLOR_GREEN
 #define TGI_COLOR_DARKBROWN     COLOR_ORANGE
-#define TGI_COLOR_VIOLET        COLOR_VIOLET
-#define TGI_COLOR_PURPLE        TGI_COLOR_VIOLET
+#define TGI_COLOR_PURPLE        COLOR_PURPLE
 #define TGI_COLOR_BLUE          COLOR_BLUE
 #define TGI_COLOR_LIGHTBLUE     COLOR_LIGHTBLUE
 #define TGI_COLOR_WHITE         COLOR_WHITE
diff --git a/include/pce.h b/include/pce.h
index 8ab5b363f..826f85390 100644
--- a/include/pce.h
+++ b/include/pce.h
@@ -56,8 +56,7 @@
 #define COLOR_WHITE             0x01
 #define COLOR_RED               0x02
 #define COLOR_CYAN              0x03
-#define COLOR_VIOLET            0x04
-#define COLOR_PURPLE            COLOR_VIOLET
+#define COLOR_PURPLE            0x04
 #define COLOR_GREEN             0x05
 #define COLOR_BLUE              0x06
 #define COLOR_YELLOW            0x07
diff --git a/include/vic20.h b/include/vic20.h
index d60c7e270..55b81f13f 100644
--- a/include/vic20.h
+++ b/include/vic20.h
@@ -62,7 +62,7 @@
 #define COLOR_WHITE             0x01
 #define COLOR_RED               0x02
 #define COLOR_CYAN              0x03
-#define COLOR_VIOLET            0x04
+#define COLOR_PURPLE            0x04
 #define COLOR_GREEN             0x05
 #define COLOR_BLUE              0x06
 #define COLOR_YELLOW            0x07
@@ -81,7 +81,7 @@
 #define TGI_COLOR_WHITE         COLOR_WHITE
 #define TGI_COLOR_RED           COLOR_RED
 #define TGI_COLOR_CYAN          COLOR_CYAN
-#define TGI_COLOR_VIOLET        COLOR_VIOLET
+#define TGI_COLOR_PURPLE        COLOR_PURPLE
 #define TGI_COLOR_GREEN         COLOR_GREEN
 #define TGI_COLOR_BLUE          COLOR_BLUE
 #define TGI_COLOR_YELLOW        COLOR_YELLOW
diff --git a/libsrc/nes/color.s b/libsrc/nes/color.s
index bb91ff908..e3aef9a28 100644
--- a/libsrc/nes/color.s
+++ b/libsrc/nes/color.s
@@ -54,7 +54,7 @@ colors: .byte $0f       ; 0 black
         .byte $3d       ; 1 white
         .byte $04       ; 2 red
         .byte $3b       ; 3 cyan
-        .byte $14       ; 4 violett
+        .byte $14       ; 4 violet
         .byte $1a       ; 5 green
         .byte $01       ; 6 blue
         .byte $38       ; 7 yellow
@@ -66,4 +66,3 @@ colors: .byte $0f       ; 0 black
         .byte $2b       ; d light green
         .byte $22       ; e light blue
         .byte $3d       ; f light gray
-
diff --git a/libsrc/nes/ppu.s b/libsrc/nes/ppu.s
index 07b6842f7..92e056fb4 100644
--- a/libsrc/nes/ppu.s
+++ b/libsrc/nes/ppu.s
@@ -137,7 +137,7 @@
 paldata:
         .repeat 2
         .byte   $0f     ; 0 black
-        .byte   $14     ; 4 violett
+        .byte   $14     ; 4 violet
         .byte   $3b     ; 3 cyan
         .byte   $3d     ; 1 white