Make comments more consistent

- Changes most `/* comments */` to `// comments`
- Changes `/**` block comments consistently to `/*`
- Adds consistent license comments to all files

Also renames `T_POP_SET` to `T_Z80_SET`

include/gfx/main.hpp

@@ -71,19 +71,19 @@ struct Options {
 
 extern Options options;
 
-/**
+/*
  * Prints the error count, and exits with failure
  */
 [[noreturn]] void giveUp();
-/**
+/*
  * Prints a warning, and does not change the error count
  */
 void warning(char const *fmt, ...);
-/**
+/*
  * Prints an error, and increments the error count
  */
 void error(char const *fmt, ...);
-/**
+/*
  * Prints a fatal error, increments the error count, and gives up
  */
 [[noreturn]] void fatal(char const *fmt, ...);
@@ -120,4 +120,4 @@ static constexpr auto flipTable(std::integer_sequence<T, i...>) {
 // Flipping tends to happen fairly often, so take a bite out of dcache to speed it up
 static constexpr auto flipTable = detail::flipTable(std::make_integer_sequence<uint16_t, 256>());
 
-#endif /* RGBDS_GFX_MAIN_HPP */
+#endif // RGBDS_GFX_MAIN_HPP

include/gfx/pal_packing.hpp

@@ -21,7 +21,7 @@ class ProtoPalette;
 
 namespace packing {
 
-/**
+/*
  * Returns which palette each proto-palette maps to, and how many palettes are necessary
  */
 std::tuple<DefaultInitVec<size_t>, size_t>
@@ -29,4 +29,4 @@ std::tuple<DefaultInitVec<size_t>, size_t>
 
 }
 
-#endif /* RGBDS_GFX_PAL_PACKING_HPP */
+#endif // RGBDS_GFX_PAL_PACKING_HPP

include/gfx/pal_sorting.hpp

@@ -29,4 +29,4 @@ void rgb(std::vector<Palette> &palettes);
 
 }
 
-#endif /* RGBDS_GFX_PAL_SORTING_HPP */
+#endif // RGBDS_GFX_PAL_SORTING_HPP

include/gfx/pal_spec.hpp

@@ -12,4 +12,4 @@
 void parseInlinePalSpec(char const * const arg);
 void parseExternalPalSpec(char const *arg);
 
-#endif /* RGBDS_GFX_PAL_SPEC_HPP */
+#endif // RGBDS_GFX_PAL_SPEC_HPP

include/gfx/process.hpp

@@ -11,4 +11,4 @@
 
 void process();
 
-#endif /* RGBDS_GFX_CONVERT_HPP */
+#endif // RGBDS_GFX_CONVERT_HPP

include/gfx/proto_palette.hpp

@@ -21,7 +21,7 @@ class ProtoPalette {
 	std::array<uint16_t, 4> _colorIndices{UINT16_MAX, UINT16_MAX, UINT16_MAX, UINT16_MAX};
 
 public:
-	/**
+	/*
 	 * Adds the specified color to the set
 	 * Returns false if the set is full
 	 */
@@ -41,4 +41,4 @@ public:
 	decltype(_colorIndices)::const_iterator end() const;
 };
 
-#endif /* RGBDS_GFX_PROTO_PALETTE_HPP */
+#endif // RGBDS_GFX_PROTO_PALETTE_HPP

include/gfx/reverse.hpp

@@ -11,4 +11,4 @@
 
 void reverse();
 
-#endif /* RGBDS_GFX_REVERSE_HPP */
+#endif // RGBDS_GFX_REVERSE_HPP

include/gfx/rgba.hpp

@@ -20,7 +20,7 @@ struct Rgba {
 
 	constexpr Rgba(uint8_t r, uint8_t g, uint8_t b, uint8_t a)
 	    : red(r), green(g), blue(b), alpha(a) {}
-	/**
+	/*
 	 * Constructs the color from a "packed" RGBA representation (0xRRGGBBAA)
 	 */
 	explicit constexpr Rgba(uint32_t rgba = 0)
@@ -35,7 +35,7 @@ struct Rgba {
 		        (uint8_t)(cgbColor & 0x8000 ? 0x00 : 0xFF)};
 	}
 
-	/**
+	/*
 	 * Returns this RGBA as a 32-bit number that can be printed in hex (`%08x`) to yield its CSS
 	 * representation
 	 */
@@ -45,7 +45,7 @@ struct Rgba {
 	}
 	friend bool operator!=(Rgba const &lhs, Rgba const &rhs) { return lhs.toCSS() != rhs.toCSS(); }
 
-	/**
+	/*
 	 * CGB colors are RGB555, so we use bit 15 to signify that the color is transparent instead
 	 * Since the rest of the bits don't matter then, we return 0x8000 exactly.
 	 */
@@ -55,7 +55,7 @@ struct Rgba {
 	bool isTransparent() const { return alpha < transparency_threshold; }
 	static constexpr uint8_t opacity_threshold = 0xF0;
 	bool isOpaque() const { return alpha >= opacity_threshold; }
-	/**
+	/*
 	 * Computes the equivalent CGB color, respects the color curve depending on options
 	 */
 	uint16_t cgbColor() const;
@@ -64,4 +64,4 @@ struct Rgba {
 	uint8_t grayIndex() const;
 };
 
-#endif /* RGBDS_GFX_RGBA_HPP */
+#endif // RGBDS_GFX_RGBA_HPP