From ec794fd5be61531e90da58d3e9934b6e0b38945e Mon Sep 17 00:00:00 2001
From: ks6n19 <ks6n19@soton.ac.uk>
Date: Thu, 24 Sep 2020 10:30:02 +0100
Subject: [PATCH] pixel_x, pixel_y follows hcount and vcount
---
behavioural/razzle.sv | 36 +++++-------------------------------
1 file changed, 5 insertions(+), 31 deletions(-)
diff --git a/behavioural/razzle.sv b/behavioural/razzle.sv
index a3705e0..e49f698 100644
--- a/behavioural/razzle.sv
+++ b/behavioural/razzle.sv
@@ -19,7 +19,6 @@ module razzle (
logic [10:0] H_count,V_count;
logic Red_Data;
-logic red_square ;
logic video_on, video_on_H, video_on_V, clock_enable;
timeunit 1ns;
@@ -41,7 +40,7 @@ assign VGA_BLANK_N = video_on;
// Colors for pixel data on video signal
-assign Red_Data = red_square ;
+assign Red_Data = pixel ;
assign Green_Data = 0;
assign Blue_Data = 0;
@@ -53,26 +52,11 @@ assign Blue = Blue_Data && video_on;
// video_on turns off pixel color data when not in the pixel view area
assign video_on = video_on_H && video_on_V;
+assign pixel_x = H_count ;
+assign pixel_y = V_count ;
-// Red square calculation
-
-always @(posedge CLOCK_50, negedge nReset)
- if ( ! nReset)
- begin
- red_square = 0;
- end
- else
- begin : FRACTAL_COMPUTE
- if ( video_on )
- begin
- if (( V_count == pixel_y )&&( H_count == pixel_x ))
- red_square = 1;
- else
- red_square = '0 ;
- end
- end : FRACTAL_COMPUTE
-
+
// Generate Horizontal and Vertical Timing Signals for Video Signal
//VIDEO_DISPLAY
@@ -84,8 +68,6 @@ always @(posedge CLOCK_50, negedge nReset)
V_count = 0;
video_on_H = 0;
video_on_V = 0;
- pixel_x = 0;
- pixel_y = 0 ;
end
else
@@ -106,10 +88,6 @@ always @(posedge CLOCK_50, negedge nReset)
if ( clock_enable )
begin
- if ( pixel_x >= 320)
- pixel_x = 0;
- else
- pixel_x = pixel_x + 1;
if (H_count >= 799)
H_count = 0;
@@ -133,11 +111,7 @@ always @(posedge CLOCK_50, negedge nReset)
else if (H_count == 699)
V_count = V_count + 1;
- if(pixel_y >= 240)
- pixel_y = 0;
- else
- pixel_y = pixel_y +1 ;
-
+
// Generate Vertical Sync Signal
if ((V_count <= 494) && (V_count >= 493))
VGA_VS = 0;
--
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