From: Bernhard Urban <lewurm@gmail.com>
Date: Fri, 14 Jan 2011 14:16:35 +0000 (+0100)
Subject: bootrom: removed 'ABC' output on UART
X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=calu.git;a=commitdiff_plain;h=9e0cdea8077967ceb02ec9ffa04c31eb46e82c88

bootrom: removed 'ABC' output on UART
---

diff --git a/2_isa/src/bootrom.s b/2_isa/src/bootrom.s
index bfc8189..cb4ac8d 100644
--- a/2_isa/src/bootrom.s
+++ b/2_isa/src/bootrom.s
@@ -178,13 +178,4 @@ bt_T:
 	br bootrom
 
 bt_J:
-tehend:
-	xor r1, r1, r1
-	ldi r1, 0x41 ; 'A'
-	call send_byte
-	xor r1, r1, r1
-	ldi r1, 0x42 ; 'B'
-	call send_byte
-	xor r1, r1, r1
-	ldi r1, 0x43 ; 'C'
-	call send_byte
+	; 'overflow' ROM
diff --git a/cpu/src/rom_b.vhd b/cpu/src/rom_b.vhd
index 8606702..8d9814f 100644
--- a/cpu/src/rom_b.vhd
+++ b/cpu/src/rom_b.vhd
@@ -207,15 +207,6 @@ begin
 	when "1010001" => data_out <= x"e7090000"; -- ldw r1, 0(r2)
 	when "1010010" => data_out <= x"eb7fdf85"; -- call send_word
 	when "1010011" => data_out <= x"eb7fed81"; -- br bootrom
-	when "1010100" => data_out <= x"e4088800"; -- xor r1, r1, r1
-	when "1010101" => data_out <= x"ed080208"; -- ldi r1, 0x41 
-	when "1010110" => data_out <= x"eb7fdb05"; -- call send_byte
-	when "1010111" => data_out <= x"e4088800"; -- xor r1, r1, r1
-	when "1011000" => data_out <= x"ed080210"; -- ldi r1, 0x42 
-	when "1011001" => data_out <= x"eb7fd985"; -- call send_byte
-	when "1011010" => data_out <= x"e4088800"; -- xor r1, r1, r1
-	when "1011011" => data_out <= x"ed080218"; -- ldi r1, 0x43 
-	when "1011100" => data_out <= x"eb7fd805"; -- call send_byte
 	-- just nop until rom end!
 	when others => data_out <= x"fd000000";
 			end case;