WIP foreground sprite + `std_logic_vector` -> `unsigned` mess

1 files changed, 8 insertions, 8 deletions

diff --git a/basys3/basys3.srcs/ppu_sprite_transform.vhd b/basys3/basys3.srcs/ppu_sprite_transform.vhd
index fa10b9b..f94616c 100644
--- a/basys3/basys3.srcs/ppu_sprite_transform.vhd
+++ b/basys3/basys3.srcs/ppu_sprite_transform.vhd
@@ -5,19 +5,19 @@ use ieee.numeric_std.all;
 use work.ppu_consts.all;
 
 entity ppu_sprite_transform is port( -- flip sprites
-	XI : in std_logic_vector(PPU_SPRITE_POS_H_WIDTH-1 downto 0); -- pixel position relative to tile
-	YI : in std_logic_vector(PPU_SPRITE_POS_V_WIDTH-1 downto 0); -- pixel position relative to tile
+	XI : in unsigned(PPU_SPRITE_POS_H_WIDTH-1 downto 0); -- pixel position relative to tile
+	YI : in unsigned(PPU_SPRITE_POS_V_WIDTH-1 downto 0); -- pixel position relative to tile
 	FLIP_H, FLIP_V : in std_logic; -- flip sprite
-	XO : out std_logic_vector(PPU_SPRITE_POS_H_WIDTH-1 downto 0); -- new pixel position relative to tile
-	YO : out std_logic_vector(PPU_SPRITE_POS_V_WIDTH-1 downto 0)); -- new pixel position relative to tile
+	XO : out unsigned(PPU_SPRITE_POS_H_WIDTH-1 downto 0); -- new pixel position relative to tile
+	YO : out unsigned(PPU_SPRITE_POS_V_WIDTH-1 downto 0)); -- new pixel position relative to tile
 end ppu_sprite_transform;
 
 architecture Behavioral of ppu_sprite_transform is
-	signal FLIPPED_X : std_logic_vector(PPU_SPRITE_POS_H_WIDTH-1 downto 0);
-	signal FLIPPED_Y : std_logic_vector(PPU_SPRITE_POS_V_WIDTH-1 downto 0);
+	signal FLIPPED_X : unsigned(PPU_SPRITE_POS_H_WIDTH-1 downto 0);
+	signal FLIPPED_Y : unsigned(PPU_SPRITE_POS_V_WIDTH-1 downto 0);
 begin
-	FLIPPED_X <= std_logic_vector(to_unsigned(PPU_SPRITE_WIDTH-1 - to_integer(unsigned(XI)), PPU_SPRITE_POS_H_WIDTH));
-	FLIPPED_Y <= std_logic_vector(to_unsigned(PPU_SPRITE_HEIGHT-1 - to_integer(unsigned(YI)), PPU_SPRITE_POS_V_WIDTH));
+	FLIPPED_X <= to_unsigned(PPU_SPRITE_WIDTH-1, PPU_SPRITE_POS_H_WIDTH) - XI;
+	FLIPPED_Y <= to_unsigned(PPU_SPRITE_HEIGHT-1, PPU_SPRITE_POS_V_WIDTH) - YI;
 
 	XO <= FLIPPED_X when FLIP_V = '1' else XI;
 	YO <= FLIPPED_Y when FLIP_H = '1' else YI;