From ead28dd6fed440ccf4667c459778012bb0d95733 Mon Sep 17 00:00:00 2001
From: "github-classroom[bot]"
 <66690702+github-classroom[bot]@users.noreply.github.com>
Date: Thu, 5 Feb 2026 19:36:36 +0000
Subject: Initial commit

---
 vga-hacks/vga_adapter_sim.sv | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 vga-hacks/vga_adapter_sim.sv

(limited to 'vga-hacks/vga_adapter_sim.sv')

diff --git a/vga-hacks/vga_adapter_sim.sv b/vga-hacks/vga_adapter_sim.sv
new file mode 100644
index 0000000..1fb0142
--- /dev/null
+++ b/vga-hacks/vga_adapter_sim.sv
@@ -0,0 +1,22 @@
+// For simulation only
+
+module vga_adapter(input logic resetn, input logic clock, input logic [2:0] colour,
+                   input logic [7:0] x, input logic [6:0] y, input logic plot,
+                   output logic [9:0] VGA_R, output logic [9:0] VGA_G, output logic [9:0] VGA_B,
+                   output logic VGA_HS, output logic VGA_VS, output logic VGA_BLANK,
+                   output logic VGA_SYNC, output logic VGA_CLK);
+    parameter BITS_PER_COLOUR_CHANNEL = 1;
+    parameter MONOCHROME = "FALSE";
+    parameter RESOLUTION = "320x240";
+    parameter BACKGROUND_IMAGE = "background.mif";
+    parameter USING_DE1 = "FALSE";
+
+    always_ff @(posedge clock, negedge resetn) begin
+        if (~resetn) begin
+            $display("VGA: reset");
+        end else if (plot) begin
+            $display("VGA: plot (%d,%d) colour %03b", x, y, colour);
+        end
+    end
+endmodule: vga_adapter
+
-- 
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