- separated curses.c out into separate source files to optimise

library use later on
- some small mods to existing functions

src/hci/mucurses/colour.c

@@ -0,0 +1,50 @@
+#include <curses.h>
+
+/**
+ * Indicates whether the underlying terminal device is capable of
+ * having colours redefined
+ *
+ * @ret bool	returns boolean
+ */
+bool can_change_colour ( void ) {
+	return (bool)TRUE;
+}
+
+/**
+ * Identify the RGB components of a given colour value
+ *
+ * @v colour	colour value
+ * @v *red	address to store red component
+ * @v *green	address to store green component
+ * @v *blue	address to store blue component
+ * @ret rc	return status code
+ */
+int colour_content ( short colour, short *red, short *green, short *blue ) {
+	/* we do not have a particularly large range of colours (3
+	   primary, 3 secondary and black), so let's just put in a
+	   basic switch... */
+	switch(colour) {
+	case COLOUR_BLACK:
+		*red = 0; *green = 0; *blue = 0;
+		break;
+	case COLOUR_BLUE:
+		*red = 0; *green = 0; *blue = 1000;
+		break;
+	case COLOUR_GREEN:
+		*red = 0; *green = 1000; *blue = 0;
+		break;
+	case COLOUR_CYAN:
+		*red = 0; *green = 1000; *blue = 1000;
+		break;
+	case COLOUR_RED:
+		*red = 1000; *green = 0; *blue = 0;
+		break;
+	case COLOUR_MAGENTA:
+		*red = 1000; *green = 0; *blue = 1000;
+		break;
+	case COLOUR_YELLOW:
+		*red = 1000; *green = 1000; *blue = 0;
+		break;
+	}
+	return OK;
+}