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authorastoria-d@office <astoria-d@office>
Fri, 16 Jan 2015 01:57:06 +0000 (10:57 +0900)
committerastoria-d@office <astoria-d@office>
Fri, 16 Jan 2015 01:57:06 +0000 (10:57 +0900)
tools/qt_proj_test5/qt_proj_test5.vhd patch | blob | history
tools/qt_proj_test5/vga.vhd patch | blob | history

diff --git a/tools/qt_proj_test5/qt_proj_test5.vhd b/tools/qt_proj_test5/qt_proj_test5.vhd
index 8a724be..0093df0 100644 (file)
--- a/tools/qt_proj_test5/qt_proj_test5.vhd
+++ b/tools/qt_proj_test5/qt_proj_test5.vhd
@@ -272,7 +272,7 @@ begin
     vram_p : process (cpu_clk, rst_n)\r
 use ieee.std_logic_arith.conv_std_logic_vector;\r
     variable init_step_cnt, plt_step_cnt, \r
-            nt_step_cnt, enable_ppu_step_cnt : integer;\r
+            nt_step_cnt, spr_step_cnt, enable_ppu_step_cnt : integer;\r
     variable init_done : std_logic;\r
     variable global_step_cnt : integer;\r
 \r
@@ -306,6 +306,7 @@ end;
             init_step_cnt := 0;\r
             plt_step_cnt := 0;\r
             nt_step_cnt := 0;\r
+                               spr_step_cnt := 0;\r
             enable_ppu_step_cnt := 0;\r
 \r
         elsif (rising_edge(cpu_clk)) then\r
@@ -349,13 +350,13 @@ end;
                     \r
                     elsif (plt_step_cnt = 4) then\r
                         --set palette data\r
-                        ppu_set(16#2007#, 16#0f#);\r
+                        ppu_set(16#2007#, 16#11#);\r
                     elsif (plt_step_cnt = 6) then\r
-                        ppu_set(16#2007#, 16#00#);\r
+                        ppu_set(16#2007#, 16#01#);\r
                     elsif (plt_step_cnt = 8) then\r
-                        ppu_set(16#2007#, 16#10#);\r
+                        ppu_set(16#2007#, 16#03#);\r
                     elsif (plt_step_cnt = 10) then\r
-                        ppu_set(16#2007#, 16#20#);\r
+                        ppu_set(16#2007#, 16#13#);\r
 \r
                     elsif (plt_step_cnt = 12) then\r
                         ppu_set(16#2007#, 16#0f#);\r
@@ -376,7 +377,7 @@ end;
                         ppu_set(16#2007#, 16#28#);\r
  \r
                     elsif (plt_step_cnt = 28) then\r
-                        ppu_set(16#2007#, 16#0f#);\r
+                        ppu_set(16#2007#, 16#05#);\r
                     elsif (plt_step_cnt = 30) then\r
                         ppu_set(16#2007#, 16#0c#);\r
                     elsif (plt_step_cnt = 32) then\r
@@ -395,10 +396,10 @@ end;
                 elsif (global_step_cnt = 2) then\r
                     --step1 = name table set.\r
                     if (nt_step_cnt = 0) then\r
-                        --set vram addr 2004 (first row, 4th col)\r
+                        --set vram addr 2006 (first row, 6th col)\r
                         ppu_set(16#2006#, 16#20#);\r
                     elsif (nt_step_cnt = 2) then\r
-                        ppu_set(16#2006#, 16#04#);\r
+                        ppu_set(16#2006#, 16#06#);\r
                     elsif (nt_step_cnt = 4) then\r
                         --set name tbl data\r
                         --0x44, 45, 45 = DEE\r
@@ -433,21 +434,55 @@ end;
                     elsif (nt_step_cnt = 30) then\r
                         ppu_set(16#2007#, 16#21#);\r
 \r
+                    elsif (nt_step_cnt = 32) then\r
+                        --set vram addr 23c1\r
+                        ppu_set(16#2006#, 16#23#);\r
+                    elsif (nt_step_cnt = 34) then\r
+                        ppu_set(16#2006#, 16#c1#);\r
+                    elsif (nt_step_cnt = 36) then\r
+                                                               --attr=11011000\r
+                        ppu_set(16#2007#, 16#d8#);\r
+\r
                     else\r
                         ppu_clr;\r
-                        if (nt_step_cnt > 30) then\r
+                        if (nt_step_cnt > 36) then\r
                             global_step_cnt := global_step_cnt + 1;\r
                         end if;\r
                     end if;\r
                     nt_step_cnt := nt_step_cnt + 1;\r
                     \r
+                elsif (global_step_cnt = 2) then\r
+                    --step2 = sprite set.\r
+                    if (spr_step_cnt = 0) then\r
+                        --set sprite addr=00\r
+                        ppu_set(16#2003#, 16#00#);\r
+                    elsif (spr_step_cnt = 2) then\r
+                        --set sprite data: y=01\r
+                        ppu_set(16#2004#, 16#01#);\r
+                    elsif (spr_step_cnt = 4) then\r
+                        --tile=0x4d (ascii 'M')\r
+                        ppu_set(16#2004#, 16#4d#);\r
+                    elsif (spr_step_cnt = 6) then\r
+                        --set sprite attr=00\r
+                        ppu_set(16#2004#, 16#00#);\r
+                    elsif (spr_step_cnt = 8) then\r
+                        --set sprite data: x=39\r
+                        ppu_set(16#2004#, 16#27#);\r
+                    else\r
+                        ppu_clr;\r
+                        if (spr_step_cnt > 8) then\r
+                            global_step_cnt := global_step_cnt + 1;\r
+                        end if;\r
+                    end if;\r
+                    spr_step_cnt := spr_step_cnt + 1;\r
+\r
                 elsif (global_step_cnt = 3) then\r
                     --final step = enable ppu.\r
                     if (enable_ppu_step_cnt = 0) then\r
                         --show bg\r
                         --PPUMASK=1e (show bg and sprite)\r
                         --PPUMASK=0e (show bg only)\r
-                        ppu_set(16#2001#, 16#0e#);\r
+                        ppu_set(16#2001#, 16#1e#);\r
                     elsif (enable_ppu_step_cnt = 2) then\r
                         --show enable nmi\r
                         --PPUCTRL=80\r
diff --git a/tools/qt_proj_test5/vga.vhd b/tools/qt_proj_test5/vga.vhd
index ec872ed..200f2b0 100644 (file)
--- a/tools/qt_proj_test5/vga.vhd
+++ b/tools/qt_proj_test5/vga.vhd
@@ -1033,16 +1033,8 @@ end;
                                 & prf_x(dsize - 1 downto 3);\r
                         vram_addr(asize - 1 downto 10) <= "10" & ppu_ctrl(PPUBNA downto 0) \r
                                                         + ("000" & prf_x(dsize));\r
-                    end if;\r
-                    if (prf_x (2 downto 0) = "010") then\r
-                        nt_we_n <= '0';\r
-                    else\r
-                        nt_we_n <= '1';\r
-                    end if;\r
-\r
-                    --TODO must load 8 cycle each for the first two tiles!!!\r
                     ----fetch attr table byte.\r
-                    if (prf_x (4 downto 0) = "00011") then\r
+                    elsif (prf_x (4 downto 0) = "00011") then\r
                         --attribute table is loaded every 32 cycle.\r
                         --attr table at 0x23c0\r
                         vram_addr(dsize - 1 downto 0) <= "11000000" +\r
@@ -1050,7 +1042,30 @@ end;
                         vram_addr(asize - 1 downto dsize) <= "10" &\r
                                 ppu_ctrl(PPUBNA downto 0) & "11"\r
                                     + ("000" & prf_x(dsize) & "00");\r
+                    ----fetch pattern table low byte.\r
+                    elsif (prf_x (2 downto 0) = "101") then\r
+                         --vram addr is incremented every 8 cycle.\r
+                         vram_addr <= "0" & ppu_ctrl(PPUBPA) & \r
+                                              disp_nt(dsize - 1 downto 0) \r
+                                                    & "0"  & prf_y(2  downto 0);\r
+                    ----fetch pattern table high byte.\r
+                    elsif (prf_x (2 downto 0) = "111") then\r
+                         --vram addr is incremented every 8 cycle.\r
+                         vram_addr <= "0" & ppu_ctrl(PPUBPA) & \r
+                                              disp_nt(dsize - 1 downto 0) \r
+                                                    & "0"  & prf_y(2 downto 0) + "00000000001000";\r
+                    end if;\r
+\r
+\r
+\r
+                    ----fetch next tile byte.\r
+                    if (prf_x (2 downto 0) = "010") then\r
+                        nt_we_n <= '0';\r
+                    else\r
+                        nt_we_n <= '1';\r
                     end if;\r
+\r
+                    ----fetch attr table byte.\r
                     if (prf_x (4 downto 0) = "00100") then\r
                         attr_we_n <= '0';\r
                     else\r
@@ -1067,32 +1082,20 @@ end;
                     else\r
                         attr_ce_n <= '1';\r
                     end if;\r
-                    \r
-                        ----fetch pattern table low byte.\r
-                        if (prf_x (2 downto 0) = "101") then\r
-                            --vram addr is incremented every 8 cycle.\r
-                            vram_addr <= "0" & ppu_ctrl(PPUBPA) & \r
-                                            disp_nt(dsize - 1 downto 0) \r
-                                                & "0"  & prf_y(2  downto 0);\r
-                        end if;\r
-                        if (prf_x (2 downto 0) = "110") then\r
-                            ptn_l_we_n <= '0';\r
-                        else\r
-                            ptn_l_we_n <= '1';\r
-                        end if;\r
 \r
-                        ----fetch pattern table high byte.\r
-                        if (prf_x (2 downto 0) = "111") then\r
-                            --vram addr is incremented every 8 cycle.\r
-                            vram_addr <= "0" & ppu_ctrl(PPUBPA) & \r
-                                            disp_nt(dsize - 1 downto 0) \r
-                                                & "0"  & prf_y(2 downto 0) + "00000000001000";\r
-                        end if;\r
-                        if (prf_x (2 downto 0) = "000") then\r
-                            ptn_h_we_n <= '0';\r
-                        else\r
-                            ptn_h_we_n <= '1';\r
-                        end if;\r
+                    ----fetch pattern table low byte.\r
+                    if (prf_x (2 downto 0) = "110") then\r
+                         ptn_l_we_n <= '0';\r
+                    else\r
+                         ptn_l_we_n <= '1';\r
+                    end if;\r
+\r
+                    ----fetch pattern table high byte.\r
+                    if (prf_x (2 downto 0) = "000") then\r
+                         ptn_h_we_n <= '0';\r
+                    else\r
+                         ptn_h_we_n <= '1';\r
+                    end if;\r
 \r
                 end if;--if (ppu_mask(PPUSBG) = '1') and\r
 \r
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