develop/ktcc: Post-SVN tidy

- Move source code from `trunk` into program root directory.
- Update build files.

programs/develop/ktcc/lib/libgb/gb.h

@@ -0,0 +1,19 @@
+
+#pragma pack(push, 1)
+typedef struct
+{
+int  w;
+int  h;
+char *bmp;
+char *alpha;
+} GB_BMP;
+#pragma pack(pop)
+
+void gb_pixel_set(GB_BMP *b, int x, int y, unsigned c);
+int  gb_pixel_get(GB_BMP *b, int x, int y, unsigned *c);
+void gb_line(GB_BMP *b, int x1, int y1, int x2, int y2, unsigned c);
+void gb_rect(GB_BMP *b, int x, int y, int w, int h, unsigned c);
+void gb_bar(GB_BMP *b, int x, int y, int w, int h, unsigned c);
+void gb_circle(GB_BMP *b, int x, int y, int r, unsigned c);
+void gb_image_set(GB_BMP *b_dest, int x_d, int y_d, GB_BMP *b_src, int x_s, int y_s, int w, int h);
+void gb_image_set_t(GB_BMP *b_dest, int x_d, int y_d, GB_BMP *b_src, int x_s, int y_s, int w, int h, unsigned c);