From 33bb4c7538212cc902b0698e0790a0f498f07800 Mon Sep 17 00:00:00 2001
From: Aadi Desai <21363892+supleed2@users.noreply.github.com>
Date: Wed, 16 Dec 2020 14:13:54 -0800
Subject: [PATCH] Constant selects not working in always_ff in current iverilog

---
 rtl/mips_cpu_bus.v        | 2 +-
 test/test_mips_cpu_bus.sh | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/rtl/mips_cpu_bus.v b/rtl/mips_cpu_bus.v
index ca00dc9..ca117dd 100644
--- a/rtl/mips_cpu_bus.v
+++ b/rtl/mips_cpu_bus.v
@@ -87,7 +87,7 @@ always_ff @(negedge clk) begin // CLK Falling Edge
     clk_state <= 1'b0;
 end
 
-always_comb begin
+always @(*) begin
     case (instr_reg[31:26])
         6'b101000: begin // Store Byte
             partial_write = 1'b1;
diff --git a/test/test_mips_cpu_bus.sh b/test/test_mips_cpu_bus.sh
index 352244b..1b90fe7 100755
--- a/test/test_mips_cpu_bus.sh
+++ b/test/test_mips_cpu_bus.sh
@@ -47,10 +47,10 @@ else
         -P mips_cpu_bus_tb.INSTR_INIT_FILE=\"inputs/${INSTR}/${TESTCASE}.txt\" \
         -P mips_cpu_bus_tb.DATA_INIT_FILE=\"inputs/${INSTR}/${TESTCASE}.data.txt\" \
         -o exec/mips_cpu_bus_tb_${TESTCASE} testbench/mips_cpu_bus_tb.v \
-        ${SRC} #2> /dev/null
+        ${SRC} 2> /dev/null
         ./exec/mips_cpu_bus_tb_${TESTCASE} &> ./inputs/${INSTR}/${TESTCASE}.log.txt;             # log file for debugging (contains $display)
         echo "$(tail -1 ./inputs/${INSTR}/${TESTCASE}.log.txt)" > ./inputs/${INSTR}/${TESTCASE}.out.txt;      # register v0 output to compare with reference
-        if diff -w ./inputs/${INSTR}/${TESTCASE}.out.txt ./inputs/${INSTR}/${TESTCASE}.ref.txt #&> /dev/null   # compare
+        if diff -w ./inputs/${INSTR}/${TESTCASE}.out.txt ./inputs/${INSTR}/${TESTCASE}.ref.txt &> /dev/null   # compare
         then 
             echo ${TESTCASE} ${INSTR} "Pass";
         else