diff options
Diffstat (limited to 'basys3/basys3.srcs/ppu.vhd')
| -rw-r--r-- | basys3/basys3.srcs/ppu.vhd | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/basys3/basys3.srcs/ppu.vhd b/basys3/basys3.srcs/ppu.vhd index 445ae14..e6f959d 100644 --- a/basys3/basys3.srcs/ppu.vhd +++ b/basys3/basys3.srcs/ppu.vhd @@ -23,6 +23,7 @@ architecture Behavioral of ppu is RESET : in std_logic; -- async reset SPRITE_BG : out ppu_sprite_bg_pl_state := PL_BG_IDLE; -- sprite info fetch + sprite pixel fetch SPRITE_FG : out ppu_sprite_fg_pl_state := PL_FG_IDLE; -- sprite pixel fetch + SPRITE_FG_HIT : out ppu_sprite_fg_hit_pl_state := PL_HIT_INACCURATE; -- foreground hit accuracy DONE : out std_logic; -- last pipeline stage done READY : out std_logic); -- rgb buffer propagation ready end component; @@ -109,6 +110,7 @@ architecture Behavioral of ppu is CLK : in std_logic; -- system clock RESET : in std_logic; -- reset internal memory and clock counters PL_STAGE : in ppu_sprite_fg_pl_state; -- pipeline stage + PL_HIT : in ppu_sprite_fg_hit_pl_state; OE : in std_logic; -- output enable (of CIDX) X : in std_logic_vector(PPU_POS_H_WIDTH-1 downto 0); -- current screen pixel x Y : in std_logic_vector(PPU_POS_V_WIDTH-1 downto 0); -- current screen pixel y @@ -166,6 +168,7 @@ architecture Behavioral of ppu is signal PL_DONE, PL_READY : std_logic; -- pipeline stages signal PL_SPRITE_BG : ppu_sprite_bg_pl_state; signal PL_SPRITE_FG : ppu_sprite_fg_pl_state; + signal PL_SPRITE_FG_HIT : ppu_sprite_fg_hit_pl_state; signal TMM_WEN, BAM_WEN, FAM_WEN, PAL_WEN, AUX_WEN : std_logic; signal TMM_W_ADDR, TMM_R_ADDR : std_logic_vector(PPU_TMM_ADDR_WIDTH-1 downto 0); -- read/write TMM addr (dual port) signal BAM_W_ADDR, BAM_R_ADDR : std_logic_vector(PPU_BAM_ADDR_WIDTH-1 downto 0); -- read/write BAM addr (dual port) @@ -202,6 +205,7 @@ begin RESET => PCEG_RESET, SPRITE_FG => PL_SPRITE_FG, SPRITE_BG => PL_SPRITE_BG, + SPRITE_FG_HIT => PL_SPRITE_FG_HIT, DONE => PL_DONE, READY => PL_READY); @@ -289,6 +293,7 @@ begin CLK => SYSCLK, RESET => SYSRST, PL_STAGE => PL_SPRITE_FG, + PL_HIT => PL_SPRITE_FG_HIT, OE => FG_EN(FG_IDX), X => X, Y => Y, |