remove pull down resistor for SPI SR and test new SPI transmit

3 files changed, 27 insertions, 24 deletions

diff --git a/basys3/basys3.srcs/ppu_dispctl.vhd b/basys3/basys3.srcs/ppu_dispctl.vhd
index 1465a58..ce53557 100644
--- a/basys3/basys3.srcs/ppu_dispctl.vhd
+++ b/basys3/basys3.srcs/ppu_dispctl.vhd
@@ -15,7 +15,7 @@ entity ppu_dispctl is port(
 
 	RO,GO,BO : out std_logic_vector(PPU_COLOR_OUTPUT_DEPTH-1 downto 0); -- VGA color out
 	NVSYNC, NHSYNC : out std_logic; -- VGA sync out
-	THBLANK, TVBLANK : out std_logic; -- tiny sync signals
+	THBLANK, TVBLANK : out std_logic := '0'; -- tiny sync signals
 	ACTIVE : out std_logic); -- screen currently active (currently same for tiny/native, TODO: offset tiny for first scanline)
 end ppu_dispctl;
 
@@ -73,7 +73,6 @@ begin
 	-- tiny VCOUNT and HCOUNT
 	process(TPIXCLK, NPIXCLK, RESET)
 		variable TMP_T_POS_X : unsigned(PPU_SCREEN_T_POS_X_WIDTH-1 downto 0) := (others => '0');
-		variable TMP_THBLANK, TMP_TVBLANK : std_logic := '0';
 		variable TMP_NHCOUNT, TMP_NVCOUNT : unsigned(PPU_VGA_SIGNAL_PIXEL_WIDTH-1 downto 0) := (others => '0');
 		variable TMP_NHACTIVE, TMP_NVACTIVE : std_logic := '0';
 		variable TMP_NHSYNC, TMP_NVSYNC : std_logic := '0';
@@ -84,8 +83,6 @@ begin
 			TMP_NVCOUNT := (others => '0');
 			TMP_NHACTIVE := '0';
 			TMP_NVACTIVE := '0';
-			TMP_THBLANK := '0'; -- TODO
-			TMP_TVBLANK := '0'; -- TODO
 			TMP_NVSYNC := '0';
 			TMP_NHSYNC := '0';
 		end if;
@@ -135,9 +132,6 @@ begin
 		if falling_edge(TPIXCLK) then -- NOTE: falling edge used because of clock offset of 90 (should be 270)
 			T_POS_X <= TMP_T_POS_X;
 
-			THBLANK <= TMP_THBLANK;
-			TVBLANK <= TMP_TVBLANK;
-
 			if TMP_NACTIVE = '1' then
 				TMP_T_POS_X := TMP_T_POS_X + 1;
 				if TMP_T_POS_X >= PPU_SCREEN_WIDTH then
@@ -165,4 +159,9 @@ begin
     reset => RESET,
     npxclk => NPIXCLK,
     tpxclk => TPIXCLK);
+
+	THBLANK <= (not NHACTIVE) and NVACTIVE and nor(T_POS_X);
+	TVBLANK <= not NVACTIVE;
+	--THBLANK <= '0';
+	--TVBLANK <= '0';
 end Behavioral;
diff --git a/basys3/basys3.xpr b/basys3/basys3.xpr
index 852d6c3..6f6275c 100644
--- a/basys3/basys3.xpr
+++ b/basys3/basys3.xpr
@@ -60,7 +60,7 @@
     <Option Name="IPStaticSourceDir" Val="$PIPUSERFILESDIR/ipstatic"/>
     <Option Name="EnableBDX" Val="FALSE"/>
     <Option Name="DSABoardId" Val="basys3"/>
-    <Option Name="WTXSimLaunchSim" Val="124"/>
+    <Option Name="WTXSimLaunchSim" Val="133"/>
     <Option Name="WTModelSimLaunchSim" Val="0"/>
     <Option Name="WTQuestaLaunchSim" Val="0"/>
     <Option Name="WTIesLaunchSim" Val="0"/>
@@ -259,14 +259,6 @@
     </FileSet>
     <FileSet Name="utils_1" Type="Utils" RelSrcDir="$PSRCDIR/utils_1" RelGenDir="$PGENDIR/utils_1">
       <Filter Type="Utils"/>
-      <File Path="$PSRCDIR/utils_1/imports/synth_3/top.dcp">
-        <FileInfo>
-          <Attr Name="UsedIn" Val="synthesis"/>
-          <Attr Name="UsedIn" Val="implementation"/>
-          <Attr Name="UsedInSteps" Val="synth_3"/>
-          <Attr Name="AutoDcp" Val="1"/>
-        </FileInfo>
-      </File>
       <Config>
         <Option Name="TopAutoSet" Val="TRUE"/>
       </Config>
@@ -390,9 +382,11 @@
       <Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
       <RQSFiles/>
     </Run>
-    <Run Id="synth_3" Type="Ft3:Synth" SrcSet="sources_1" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="true" IncrementalCheckpoint="$PSRCDIR/utils_1/imports/synth_3/top.dcp" WriteIncrSynthDcp="false" State="current" Dir="$PRUNDIR/synth_3" IncludeInArchive="true" IsChild="false" AutoIncrementalDir="$PSRCDIR/utils_1/imports/synth_3" AutoRQSDir="$PSRCDIR/utils_1/imports/synth_3">
+    <Run Id="synth_4" Type="Ft3:Synth" SrcSet="sources_1" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="true" WriteIncrSynthDcp="false" State="current" Dir="$PRUNDIR/synth_4" IncludeInArchive="true" IsChild="false" AutoIncrementalDir="$PSRCDIR/utils_1/imports/synth_4" AutoRQSDir="$PSRCDIR/utils_1/imports/synth_4">
       <Strategy Version="1" Minor="2">
-        <StratHandle Name="Vivado Synthesis Defaults" Flow="Vivado Synthesis 2022"/>
+        <StratHandle Name="Vivado Synthesis Defaults" Flow="Vivado Synthesis 2022">
+          <Desc>Vivado Synthesis Defaults</Desc>
+        </StratHandle>
         <Step Id="synth_design"/>
       </Strategy>
       <GeneratedRun Dir="$PRUNDIR" File="gen_run.xml"/>
@@ -468,9 +462,11 @@
       <Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
       <RQSFiles/>
     </Run>
-    <Run Id="impl_3" Type="Ft2:EntireDesign" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Default settings for Implementation." AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" Dir="$PRUNDIR/impl_3" SynthRun="synth_3" IncludeInArchive="true" IsChild="false" GenFullBitstream="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/impl_3" AutoRQSDir="$PSRCDIR/utils_1/imports/impl_3">
+    <Run Id="impl_4" Type="Ft2:EntireDesign" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Default settings for Implementation." AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" Dir="$PRUNDIR/impl_4" SynthRun="synth_4" IncludeInArchive="true" IsChild="false" GenFullBitstream="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/impl_4" AutoRQSDir="$PSRCDIR/utils_1/imports/impl_4">
       <Strategy Version="1" Minor="2">
-        <StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2022"/>
+        <StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2022">
+          <Desc>Default settings for Implementation.</Desc>
+        </StratHandle>
         <Step Id="init_design"/>
         <Step Id="opt_design"/>
         <Step Id="power_opt_design"/>
diff --git a/basys3/ppu_tb_behav.wcfg b/basys3/ppu_tb_behav.wcfg
index afd33be..c359e87 100644
--- a/basys3/ppu_tb_behav.wcfg
+++ b/basys3/ppu_tb_behav.wcfg
@@ -13,13 +13,13 @@
       </db_ref>
    </db_ref_list>
    <zoom_setting>
-      <ZoomStartTime time="925.165500 us"></ZoomStartTime>
-      <ZoomEndTime time="937.055501 us"></ZoomEndTime>
-      <Cursor1Time time="930.945500 us"></Cursor1Time>
+      <ZoomStartTime time="136.205000 us"></ZoomStartTime>
+      <ZoomEndTime time="1,382.205001 us"></ZoomEndTime>
+      <Cursor1Time time="1,058.205000 us"></Cursor1Time>
    </zoom_setting>
    <column_width_setting>
       <NameColumnWidth column_width="243"></NameColumnWidth>
-      <ValueColumnWidth column_width="145"></ValueColumnWidth>
+      <ValueColumnWidth column_width="141"></ValueColumnWidth>
    </column_width_setting>
    <WVObjectSize size="6" />
    <wvobject type="group" fp_name="group136">
@@ -436,6 +436,14 @@
             <obj_property name="ElementShortName">ACTIVE</obj_property>
             <obj_property name="ObjectShortName">ACTIVE</obj_property>
          </wvobject>
+         <wvobject type="logic" fp_name="/ppu_tb/uut/display_controller/THBLANK">
+            <obj_property name="ElementShortName">THBLANK</obj_property>
+            <obj_property name="ObjectShortName">THBLANK</obj_property>
+         </wvobject>
+         <wvobject type="logic" fp_name="/ppu_tb/uut/display_controller/TVBLANK">
+            <obj_property name="ElementShortName">TVBLANK</obj_property>
+            <obj_property name="ObjectShortName">TVBLANK</obj_property>
+         </wvobject>
       </wvobject>
    </wvobject>
    <wvobject type="group" fp_name="group115">