From: Joshua Wise <joshua@rebirth.joshuawise.com>
Date: Thu, 3 Apr 2008 06:00:37 +0000 (-0400)
Subject: Add buildrom.sh. Add some comments of note in System.v.
X-Git-Url: http://git.joshuawise.com/fpgaboy.git/commitdiff_plain/95143d640c2d3ceb1cfd69460316cfc956f240c9?ds=sidebyside

Add buildrom.sh. Add some comments of note in System.v.
---

diff --git a/System.v b/System.v
index 996ec10..8bc14e9 100644
--- a/System.v
+++ b/System.v
@@ -31,9 +31,9 @@ module InternalRAM(
 	
 	always @(negedge clk)
 	begin
-		if (decode)
-		begin
-			if (wr)
+		if (decode)	// This has to go this way. The only way XST knows how to do
+		begin				// block ram is chip select, write enable, and always
+			if (wr)		// reading. "else if rd" does not cut it ...
 				ram[address[12:0]] <= data;
 			odata <= ram[address[12:0]];
 		end
diff --git a/buildrom.sh b/buildrom.sh
new file mode 100644
index 0000000..2bce4f5
--- /dev/null
+++ b/buildrom.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+rgbasm -orom.o rom.asm && xlink rom.lnk && ./mashrom < rom.bin > rom.hex