From 70be5e5d83e61bb8ed2d00c9854c1847fdc7e97f Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Fri, 18 Mar 2022 08:55:20 -0700
Subject: Ignore colons on inputs; use them to separate words in output.

---
 hdl/command_parser.sv | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'hdl/command_parser.sv')

diff --git a/hdl/command_parser.sv b/hdl/command_parser.sv
index cf4fe65..964ac12 100644
--- a/hdl/command_parser.sv
+++ b/hdl/command_parser.sv
@@ -91,7 +91,9 @@ module command_parser
                 end
 
                 READ_ADDRESS: if (input_byte_valid) begin
-                    if (input_byte >= "0" && input_byte <= "9") begin
+                    if (input_byte == ":") begin
+                        // ignore
+                    end else if (input_byte >= "0" && input_byte <= "9") begin
                         command_data.address = command_data.address << 4;
                         command_data.address[$clog2(`RAM_LINE_WORDS)+:4] = input_byte - "0";
                     end else if (input_byte >= "a" && input_byte <= "f") begin
@@ -109,7 +111,9 @@ module command_parser
                 READ_DATA: if (input_byte_valid) begin
                     automatic bit [$bits(command_data.data)-1:0] flat_data = command_data.data;
                     flat_data = flat_data << 4;
-                    if (input_byte >= "0" && input_byte <= "9") begin
+                    if (input_byte == ":") begin
+                        // ignore
+                    end else if (input_byte >= "0" && input_byte <= "9") begin
                         flat_data[3:0] = input_byte - "0";
                         command_data.data = flat_data;
                     end else if (input_byte >= "a" && input_byte <= "f") begin
@@ -126,7 +130,9 @@ module command_parser
                 end
 
                 READ_ZERO_COUNT: if (input_byte_valid) begin
-                    if (input_byte >= "0" && input_byte <= "9") begin
+                    if (input_byte == ":") begin
+                        // ignore
+                    end else if (input_byte >= "0" && input_byte <= "9") begin
                         zero_count = zero_count << 4;
                         zero_count[3:0] = input_byte - "0";
                     end else if (input_byte >= "a" && input_byte <= "f") begin
-- 
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