gatesim setup cleanup
diff --git a/verilog/dv/user_i2cm/Makefile b/verilog/dv/user_i2cm/Makefile
index e7d9b13..a801f55 100644
--- a/verilog/dv/user_i2cm/Makefile
+++ b/verilog/dv/user_i2cm/Makefile
@@ -26,9 +26,6 @@
 DESIGNS?=../../..
 
 export USER_PROJECT_VERILOG ?=  $(DESIGNS)/verilog
-## YIFIVE FIRMWARE
-YIFIVE_FIRMWARE_PATH = $(USER_PROJECT_VERILOG)/dv/firmware
-GCC64_PREFIX?=riscv64-unknown-elf
 
 
 ## Simulation mode: RTL/GL
@@ -45,7 +42,6 @@
 
 all:  ${PATTERN:=.vcd}
 
-hex:  ${PATTERN:=.hex}
 
 vvp:  ${PATTERN:=.vvp}
 
@@ -61,9 +57,15 @@
 	$< -o $@ 
    endif
 else  
-	iverilog -g2012 -DFUNCTIONAL -DSIM -DGL -I $(PDK_PATH) \
-	-f$(USER_PROJECT_VERILOG)/includes/includes.rtl.$(CONFIG) \
+   ifeq ($(DUMP),OFF)
+	iverilog -g2012 -DFUNCTIONAL -DUSE_POWER_PINS -DGL -I $(PDK_PATH) \
+	-f$(USER_PROJECT_VERILOG)/includes/includes.gl.$(CONFIG) \
 	$< -o $@ 
+    else  
+	iverilog -g2012 -DWFDUMP -DFUNCTIONAL -DUSE_POWER_PINS -DGL -I $(PDK_PATH) \
+	-f$(USER_PROJECT_VERILOG)/includes/includes.gl.$(CONFIG) \
+	$< -o $@ 
+   endif
 endif
 
 %.vcd: %.vvp
@@ -73,6 +75,6 @@
 # ---- Clean ----
 
 clean:
-	rm -f *.elf *.hex *.bin *.vvp *.vcd *.log *.dump
+	rm -f *.elf *.hex *.bin *.vvp *.vcd *.log *.dump *.fst
 
 .PHONY: clean hex all
diff --git a/verilog/dv/user_i2cm/user_i2cm_tb.v b/verilog/dv/user_i2cm/user_i2cm_tb.v
index aedd191..0607308 100644
--- a/verilog/dv/user_i2cm/user_i2cm_tb.v
+++ b/verilog/dv/user_i2cm/user_i2cm_tb.v
@@ -405,6 +405,7 @@
   wbd_ext_cyc_i ='h1;  // strobe/request
   wbd_ext_stb_i ='h1;  // strobe/request
   wait(wbd_ext_ack_o == 1);
+  repeat (1) @(negedge clock);
   data  = wbd_ext_dat_o;  
   repeat (1) @(posedge clock);
   #1;
@@ -433,6 +434,7 @@
   wbd_ext_cyc_i ='h1;  // strobe/request
   wbd_ext_stb_i ='h1;  // strobe/request
   wait(wbd_ext_ack_o == 1);
+  repeat (1) @(negedge clock);
   data  = wbd_ext_dat_o;  
   repeat (1) @(posedge clock);
   #1;