diff --git a/demos/colour.h b/demos/colour.h
new file mode 100644
index 0000000..9339714
--- /dev/null
+++ b/demos/colour.h
@@ -0,0 +1,58 @@
+#include <stdio.h>
+#include <dos.h>
+
+#define VIDEO 0x10
+
+#define FG_BLACK 0x00
+#define FG_BLUE 0x01
+#define FG_GREEN 0x02
+#define FG_CYAN 0x03
+#define FG_RED 0x4
+#define FG_MAGENTA 0x05
+#define FG_BROWN 0x06
+#define FG_GRAY 0x07
+#define BG_BLACK 0x00
+#define BG_BLUE 0x10
+#define BG_GREEN 0x20
+#define BG_CYAN 0x30
+#define BG_RED 0x40
+#define BG_MAGENTA 0x50
+#define BG_BROWN 0x60
+#define BG_GRAY 0x70
+#define Bright 0x08
+#define Blinking 0x80
+
+void dcolour(char ch,unsigned char colour)
+{
+ union REGS regs;
+ int x,y;
+
+ regs.h.ah = 0x03;
+ regs.h.bh = 0x00;
+ int86(VIDEO,&regs,&regs);
+ y = regs.h.dl;
+ x = regs.h.dh;
+
+ regs.h.ah = 0x09;
+ regs.h.al = ch;
+ regs.h.bh = 0x00;
+ regs.h.bl = colour;
+ regs.x.cx = 1;
+ int86(VIDEO,&regs,&regs);
+
+ y++;
+
+ regs.h.ah = 0x02;
+ regs.h.bh = 0x00;
+ regs.h.dh = x;
+ regs.h.dl = y;
+ int86(VIDEO,&regs,&regs);
+}
+void dscolour(char *string,unsigned char colour)
+{
+ while(*string)
+ {
+  dcolour(*string,colour);
+  string++;
+ }
+}