From 130548145dbc7b8bbaed30de4344ec3a1d215213 Mon Sep 17 00:00:00 2001
From: shylie <shylie@shylie.info>
Date: Mon, 28 Apr 2025 12:22:43 -0400
Subject: [PATCH] First working revision?

---
 cmake/FileEmbed.cmake                | 1 -
 dvi-dynamic/rtl/source/impl_1/top.sv | 9 +++++++--
 dvi-dynamic/src/main.cpp             | 4 ++--
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/cmake/FileEmbed.cmake b/cmake/FileEmbed.cmake
index 957fdd8..0ad5fbb 100644
--- a/cmake/FileEmbed.cmake
+++ b/cmake/FileEmbed.cmake
@@ -33,7 +33,6 @@ function(FileEmbedGenerate file generated_c)
     set(output_filename "${base_filename}.c")
     string(MAKE_C_IDENTIFIER ${base_filename} c_name)
     file(READ ${file} content HEX)
-    message(${content})
 
     # Separate into individual bytes.
     string(REGEX MATCHALL "([A-Fa-f0-9][A-Fa-f0-9])" SEPARATED_HEX ${content})
diff --git a/dvi-dynamic/rtl/source/impl_1/top.sv b/dvi-dynamic/rtl/source/impl_1/top.sv
index d86d779..0a05df7 100644
--- a/dvi-dynamic/rtl/source/impl_1/top.sv
+++ b/dvi-dynamic/rtl/source/impl_1/top.sv
@@ -8,17 +8,22 @@ module top
 );
 
 localparam N = 25;
+localparam PIXEL_COUNT = 640 * 480;
 
 reg [N:0] counter;
 
 always_ff @(posedge clk) begin
-	counter <= counter + 1;
+	if (counter < PIXEL_COUNT) begin
+		counter <= counter + 1;
+	end else begin
+		counter <= counter + 1;
+	end
 end
 
 assign led_r = 1'b1;
 assign led_g = counter[N];
 assign led_b = 1'b1;
 
-assign data = counter[N:N-8];
+assign data = counter[7:0];
 
 endmodule
\ No newline at end of file
diff --git a/dvi-dynamic/src/main.cpp b/dvi-dynamic/src/main.cpp
index e028ec6..dcc7a12 100644
--- a/dvi-dynamic/src/main.cpp
+++ b/dvi-dynamic/src/main.cpp
@@ -158,7 +158,7 @@ void __scratch_x("") dma_irq0_handler()
 
 void dma_irq1_handler()
 {
-  uint ch_num = dma_fb_pong ? DMACH_FBPI : DMACH_FBPO;
+  uint ch_num = dma_fb_pong ? DMACH_FBPO : DMACH_FBPI;
   dma_channel_hw_t* ch = &dma_hw->ch[ch_num];
   dma_hw->intr = 1u << ch_num;
   dma_fb_pong = !dma_fb_pong;
@@ -171,7 +171,7 @@ void dma_irq1_handler()
 
 int main(void)
 {
-  ice_fpga_init(FPGA_DATA, 48);
+  ice_fpga_init(FPGA_DATA, 16);
   ice_fpga_start(FPGA_DATA);
 
   ice_cram_open(FPGA_DATA);