st

[calu.git] / cpu / src / decoder_b.vhd

diff --git a/cpu/src/decoder_b.vhd b/cpu/src/decoder_b.vhd
index d1b49c1da4a6e5d4ad6a28ae0aee51b4d2be2b01..11d2e3b66738ad001c7ebe4d9dba8b9be0f2113d 100644 (file)
--- a/cpu/src/decoder_b.vhd
+++ b/cpu/src/decoder_b.vhd
@@ -31,6 +31,7 @@ begin
        instr_s.signext := '0';
        instr_s.bp := '0';
        instr_s.op_detail := (others => '0');
+       instr_s.displacement := (others => '0');
 
        instr_s.op_group := ADDSUB_OP;
 
@@ -259,9 +260,9 @@ begin
        if (instr_s.opcode = "01111" or instr_s.opcode = "10001" or instr_s.opcode = "10011" or instr_s.opcode = "10101") then
 
        --when "01111" =>               --stw
-               instr_s.reg_src1_addr := instruction(22 downto 19);     -- register value
-               instr_s.reg_src2_addr := instruction(18 downto 15);     -- mem addr
-               instr_s.immediate(14 downto 0) := instruction(14 downto 0);
+               instr_s.reg_src2_addr := instruction(22 downto 19);     -- register value
+               instr_s.reg_src1_addr := instruction(18 downto 15);     -- mem addr
+               instr_s.displacement(14 downto 0) := instruction(14 downto 0);
        end if;
 
 --     when "10001" =>         --sth