diff --git a/fuzzers/010-lutinit/.gitignore b/fuzzers/010-lutinit/.gitignore
index e424f3ae..9482bcd3 100644
--- a/fuzzers/010-lutinit/.gitignore
+++ b/fuzzers/010-lutinit/.gitignore
@@ -1,3 +1,2 @@
-/specimen_[0-9][0-9][0-9]/
-/seg_clbl[lm].segbits
-/run.ok
+build
+run.ok
diff --git a/fuzzers/010-lutinit/Makefile b/fuzzers/010-lutinit/Makefile
index 50a31ddf..e58c4954 100644
--- a/fuzzers/010-lutinit/Makefile
+++ b/fuzzers/010-lutinit/Makefile
@@ -1,21 +1,22 @@
-# NOt using clb.mk: 0-2 segmatch
+# Not using clb.mk: 0-2 segmatch
 # Could probably change segmatch to re though
 
 N := 1
-SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N)))
+SPECIMENS := $(addprefix build/specimen_,$(shell seq -f '%03.0f' $(N)))
 SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS))
 
 database: $(SPECIMENS_OK)
-	${XRAY_SEGMATCH} -o seg_clbll.db $(addsuffix /segdata_clbll_[lr]_[012].txt,$(SPECIMENS))
-	${XRAY_SEGMATCH} -o seg_clblm.db $(addsuffix /segdata_clblm_[lr]_[012].txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -o build/segbits_clbll.db $(addsuffix /segdata_clbll_[lr]_[012].txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -o build/segbits_clblm.db $(addsuffix /segdata_clblm_[lr]_[012].txt,$(SPECIMENS))
 
 pushdb:
-	${XRAY_MERGEDB} clbll_l seg_clbll.db
-	${XRAY_MERGEDB} clbll_r seg_clbll.db
-	${XRAY_MERGEDB} clblm_l seg_clblm.db
-	${XRAY_MERGEDB} clblm_r seg_clblm.db
+	${XRAY_MERGEDB} clbll_l build/segbits_clbll.db
+	${XRAY_MERGEDB} clbll_r build/segbits_clbll.db
+	${XRAY_MERGEDB} clblm_l build/segbits_clblm.db
+	${XRAY_MERGEDB} clblm_r build/segbits_clblm.db
 
 $(SPECIMENS_OK):
+	mkdir -p build
 	bash generate.sh $(subst /OK,,$@)
 	touch $@
 
@@ -26,7 +27,7 @@ run:
 	touch run.ok
 
 clean:
-	rm -rf specimen_[0-9][0-9][0-9]/ seg_clbll.db seg_clblm.segbits run.ok
+	rm -rf build run.ok
 
 .PHONY: database pushdb run clean
 
diff --git a/fuzzers/010-lutinit/generate.sh b/fuzzers/010-lutinit/generate.sh
index 3d1fb5b6..846dd1ec 100644
--- a/fuzzers/010-lutinit/generate.sh
+++ b/fuzzers/010-lutinit/generate.sh
@@ -1,16 +1,17 @@
 #!/bin/bash
 
+FUZDIR=$PWD
 source ${XRAY_GENHEADER}
 
 echo '`define SEED 32'"'h$(echo $1 | md5sum | cut -c1-8)" > setseed.vh
 
-vivado -mode batch -source ../generate.tcl
+vivado -mode batch -source $FUZDIR/generate.tcl
 
 for i in 0 1 2; do
 	${XRAY_BITREAD} -F $XRAY_ROI_FRAMES -o design_$i.bits -z -y design_$i.bit
 done
 
 for i in 0 1 2; do
-	python3 ../generate.py $i
+	python3 $FUZDIR/generate.py $i
 done
 
diff --git a/fuzzers/010-lutinit/generate.tcl b/fuzzers/010-lutinit/generate.tcl
index 8c5490b5..6273b3f1 100644
--- a/fuzzers/010-lutinit/generate.tcl
+++ b/fuzzers/010-lutinit/generate.tcl
@@ -1,6 +1,6 @@
 create_project -force -part $::env(XRAY_PART) design design
 
-read_verilog ../top.v
+read_verilog ../../top.v
 synth_design -top top
 
 set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk]
diff --git a/fuzzers/051-imuxlout/Makefile b/fuzzers/051-imuxlout/Makefile
index ee548806..1053082b 100644
--- a/fuzzers/051-imuxlout/Makefile
+++ b/fuzzers/051-imuxlout/Makefile
@@ -4,13 +4,13 @@ SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N)))
 SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS))
 
 database: $(SPECIMENS_OK)
-	${XRAY_SEGMATCH} -m 5 -M 15 -o seg_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
-	${XRAY_SEGMATCH} -m 5 -M 15 -o seg_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
 
 pushdb:
 	${XRAY_DBFIXUP} --db-root . --clb-int
-	${XRAY_MERGEDB} int_l seg_int_l.db
-	${XRAY_MERGEDB} int_r seg_int_r.db
+	${XRAY_MERGEDB} int_l segbits_int_l.db
+	${XRAY_MERGEDB} int_r segbits_int_r.db
 
 $(SPECIMENS_OK): todo.txt
 	bash generate.sh $(subst /OK,,$@)
@@ -25,9 +25,9 @@ run:
 	touch run.ok
 
 clean:
-	rm -rf .Xil/ .cache/ filtered_seg_int_[lr].db run.ok
+	rm -rf .Xil/ .cache/ run.ok
 	rm -rf todo.txt vivado* piplist/ piplist.dcp pattern_[lr].txt pips_int_[lr].txt
-	rm -rf specimen_[0-9][0-9][0-9]/ seg_int_[lr].db mask_clbl[lm]_[lr].segbits
+	rm -rf specimen_[0-9][0-9][0-9]/ segbits_int_[lr].db mask_clbl[lm]_[lr].segbits
 
 .PHONY: database pushdb run clean
 
diff --git a/fuzzers/052-clkin/Makefile b/fuzzers/052-clkin/Makefile
index 19ef4671..fec8a87a 100644
--- a/fuzzers/052-clkin/Makefile
+++ b/fuzzers/052-clkin/Makefile
@@ -4,13 +4,13 @@ SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N)))
 SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS))
 
 database: $(SPECIMENS_OK)
-	${XRAY_SEGMATCH} -m 5 -M 15 -o seg_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
-	${XRAY_SEGMATCH} -m 5 -M 15 -o seg_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
 
 pushdb:
 	${XRAY_DBFIXUP} --db-root . --clb-int
-	${XRAY_MERGEDB} int_l seg_int_l.db
-	${XRAY_MERGEDB} int_r seg_int_r.db
+	${XRAY_MERGEDB} int_l segbits_int_l.db
+	${XRAY_MERGEDB} int_r segbits_int_r.db
 
 $(SPECIMENS_OK): todo.txt
 	bash generate.sh $(subst /OK,,$@)
@@ -27,7 +27,7 @@ run:
 clean:
 	rm -rf .Xil/ .cache/ filtered_seg_int_[lr].db run.ok
 	rm -rf todo.txt vivado* piplist/ piplist.dcp pattern_[lr].txt pips_int_[lr].txt
-	rm -rf specimen_[0-9][0-9][0-9]/ seg_int_[lr].db mask_clbl[lm]_[lr].segbits
+	rm -rf specimen_[0-9][0-9][0-9]/ segbits_int_[lr].db mask_clbl[lm]_[lr].segbits
 
 .PHONY: database pushdb run clean
 
diff --git a/fuzzers/053-ctrlin/Makefile b/fuzzers/053-ctrlin/Makefile
index 19ef4671..fec8a87a 100644
--- a/fuzzers/053-ctrlin/Makefile
+++ b/fuzzers/053-ctrlin/Makefile
@@ -4,13 +4,13 @@ SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N)))
 SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS))
 
 database: $(SPECIMENS_OK)
-	${XRAY_SEGMATCH} -m 5 -M 15 -o seg_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
-	${XRAY_SEGMATCH} -m 5 -M 15 -o seg_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
 
 pushdb:
 	${XRAY_DBFIXUP} --db-root . --clb-int
-	${XRAY_MERGEDB} int_l seg_int_l.db
-	${XRAY_MERGEDB} int_r seg_int_r.db
+	${XRAY_MERGEDB} int_l segbits_int_l.db
+	${XRAY_MERGEDB} int_r segbits_int_r.db
 
 $(SPECIMENS_OK): todo.txt
 	bash generate.sh $(subst /OK,,$@)
@@ -27,7 +27,7 @@ run:
 clean:
 	rm -rf .Xil/ .cache/ filtered_seg_int_[lr].db run.ok
 	rm -rf todo.txt vivado* piplist/ piplist.dcp pattern_[lr].txt pips_int_[lr].txt
-	rm -rf specimen_[0-9][0-9][0-9]/ seg_int_[lr].db mask_clbl[lm]_[lr].segbits
+	rm -rf specimen_[0-9][0-9][0-9]/ segbits_int_[lr].db mask_clbl[lm]_[lr].segbits
 
 .PHONY: database pushdb run clean
 
diff --git a/fuzzers/054-gfan/Makefile b/fuzzers/054-gfan/Makefile
index 19ef4671..fec8a87a 100644
--- a/fuzzers/054-gfan/Makefile
+++ b/fuzzers/054-gfan/Makefile
@@ -4,13 +4,13 @@ SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N)))
 SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS))
 
 database: $(SPECIMENS_OK)
-	${XRAY_SEGMATCH} -m 5 -M 15 -o seg_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
-	${XRAY_SEGMATCH} -m 5 -M 15 -o seg_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
 
 pushdb:
 	${XRAY_DBFIXUP} --db-root . --clb-int
-	${XRAY_MERGEDB} int_l seg_int_l.db
-	${XRAY_MERGEDB} int_r seg_int_r.db
+	${XRAY_MERGEDB} int_l segbits_int_l.db
+	${XRAY_MERGEDB} int_r segbits_int_r.db
 
 $(SPECIMENS_OK): todo.txt
 	bash generate.sh $(subst /OK,,$@)
@@ -27,7 +27,7 @@ run:
 clean:
 	rm -rf .Xil/ .cache/ filtered_seg_int_[lr].db run.ok
 	rm -rf todo.txt vivado* piplist/ piplist.dcp pattern_[lr].txt pips_int_[lr].txt
-	rm -rf specimen_[0-9][0-9][0-9]/ seg_int_[lr].db mask_clbl[lm]_[lr].segbits
+	rm -rf specimen_[0-9][0-9][0-9]/ segbits_int_[lr].db mask_clbl[lm]_[lr].segbits
 
 .PHONY: database pushdb run clean
 
diff --git a/fuzzers/055-gnd/Makefile b/fuzzers/055-gnd/Makefile
index 9d29343f..0216e069 100644
--- a/fuzzers/055-gnd/Makefile
+++ b/fuzzers/055-gnd/Makefile
@@ -4,13 +4,13 @@ SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N)))
 SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS))
 
 database: $(SPECIMENS_OK)
-	${XRAY_SEGMATCH} -m 5 -M 15 -o seg_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
-	${XRAY_SEGMATCH} -m 5 -M 15 -o seg_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
 
 pushdb:
 	${XRAY_DBFIXUP} --db-root . --clb-int
-	${XRAY_MERGEDB} int_l seg_int_l.db
-	${XRAY_MERGEDB} int_r seg_int_r.db
+	${XRAY_MERGEDB} int_l segbits_int_l.db
+	${XRAY_MERGEDB} int_r segbits_int_r.db
 
 $(SPECIMENS_OK): todo.txt
 	bash generate.sh $(subst /OK,,$@)
@@ -31,7 +31,7 @@ run:
 clean:
 	rm -rf .Xil/ .cache/ filtered_seg_int_[lr].db run.ok
 	rm -rf todo.txt vivado* piplist/ piplist.dcp pattern_[lr].txt pips_int_[lr].txt
-	rm -rf specimen_[0-9][0-9][0-9]/ seg_int_[lr].db mask_clbl[lm]_[lr].segbits
+	rm -rf specimen_[0-9][0-9][0-9]/ segbits_int_[lr].db mask_clbl[lm]_[lr].segbits
 
 .PHONY: database pushdb run clean
 
diff --git a/fuzzers/056-rempips/generate.py b/fuzzers/056-rempips/generate.py
index ad7f4584..589c18b6 100644
--- a/fuzzers/056-rempips/generate.py
+++ b/fuzzers/056-rempips/generate.py
@@ -2,6 +2,8 @@
 
 from prjxray.segmaker import Segmaker
 
+verbose = 1
+
 segmk = Segmaker("design.bits")
 
 tiledata = dict()
@@ -13,6 +15,7 @@ print("Loading todo from ../todo.txt.")
 with open("../todo.txt", "r") as f:
     for line in f:
         line = tuple(line.strip().split("."))
+        verbose and print('todo', line)
         todo.add(line)
 
 print("Loading tags from design.txt.")
@@ -42,9 +45,12 @@ with open("design.txt", "r") as f:
             tiledata[tile]["dsts"].add(src)
 
         if pnum == 1 or pdir == 0:
+            verbose and print('ignore pnum == 1 or pdir == 0: ', pip)
             ignpip.add(pip)
 
-        if ("_".join(tile.split("_")[0:2]), dst, src) not in todo:
+        t = ("_".join(tile.split("_")[0:2]), dst, src)
+        if t not in todo:
+            verbose and print('ignore not todo: ', t)
             ignpip.add(pip)
 
 for tile, pips_srcs_dsts in tiledata.items():
diff --git a/fuzzers/057-bipips/Makefile b/fuzzers/057-bipips/Makefile
index d78da794..cc31ab23 100644
--- a/fuzzers/057-bipips/Makefile
+++ b/fuzzers/057-bipips/Makefile
@@ -4,13 +4,13 @@ SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N)))
 SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS))
 
 database: $(SPECIMENS_OK)
-	${XRAY_SEGMATCH} -m 5 -M 15 -o seg_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
-	${XRAY_SEGMATCH} -m 5 -M 15 -o seg_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
 
 pushdb:
 	${XRAY_DBFIXUP} --db-root . --clb-int
-	${XRAY_MERGEDB} int_l seg_int_l.db
-	${XRAY_MERGEDB} int_r seg_int_r.db
+	${XRAY_MERGEDB} int_l segbits_int_l.db
+	${XRAY_MERGEDB} int_r segbits_int_r.db
 
 $(SPECIMENS_OK): todo.txt
 	bash generate.sh $(subst /OK,,$@)
@@ -27,7 +27,7 @@ run:
 clean:
 	rm -rf .Xil/ .cache/ vivado* todo.txt run.ok
 	rm -rf bipiplist/ bipiplist.dcp bipips_int_[lr].txt
-	rm -rf specimen_[0-9][0-9][0-9]/ seg_int_[lr].db
+	rm -rf specimen_[0-9][0-9][0-9]/ segbits_int_[lr].db
 
 .PHONY: database pushdb run clean
 
diff --git a/fuzzers/058-hclkpips/Makefile b/fuzzers/058-hclkpips/Makefile
index aab5f4c8..9586990a 100644
--- a/fuzzers/058-hclkpips/Makefile
+++ b/fuzzers/058-hclkpips/Makefile
@@ -4,17 +4,17 @@ SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N)))
 SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS))
 
 database: $(SPECIMENS_OK)
-	${XRAY_SEGMATCH} -o seg_hclk_l.db $(addsuffix /segdata_hclk_l_design_*.txt,$(SPECIMENS))
-	${XRAY_SEGMATCH} -o seg_hclk_r.db $(addsuffix /segdata_hclk_r_design_*.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -o segbits_hclk_l.db $(addsuffix /segdata_hclk_l_design_*.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -o segbits_hclk_r.db $(addsuffix /segdata_hclk_r_design_*.txt,$(SPECIMENS))
 	${XRAY_MASKMERGE} mask_hclk_l.db $(addsuffix /segdata_hclk_l_design_*.txt,$(SPECIMENS))
 	${XRAY_MASKMERGE} mask_hclk_r.db $(addsuffix /segdata_hclk_r_design_*.txt,$(SPECIMENS))
-	grep CK_INOUT seg_hclk_l.db | sed 's, .*, always,' > ppips_hclk_l.txt
-	grep CK_INOUT seg_hclk_r.db | sed 's, .*, always,' > ppips_hclk_r.txt
+	grep CK_INOUT segbits_hclk_l.db | sed 's, .*, always,' > ppips_hclk_l.txt
+	grep CK_INOUT segbits_hclk_r.db | sed 's, .*, always,' > ppips_hclk_r.txt
 
 pushdb:
 	${XRAY_DBFIXUP} --db-root . --clb-int
-	${XRAY_MERGEDB} hclk_l seg_hclk_l.db
-	${XRAY_MERGEDB} hclk_r seg_hclk_r.db
+	${XRAY_MERGEDB} hclk_l segbits_hclk_l.db
+	${XRAY_MERGEDB} hclk_r segbits_hclk_r.db
 	${XRAY_MERGEDB} mask_hclk_l mask_hclk_l.db
 	${XRAY_MERGEDB} mask_hclk_r mask_hclk_r.db
 	cp ppips_hclk_l.txt  ${XRAY_DATABASE_DIR}/$(XRAY_DATABASE)/ppips_hclk_l.db
diff --git a/fuzzers/100-dsp-mskpat/Makefile b/fuzzers/100-dsp-mskpat/Makefile
index 616c14db..c0e919b6 100644
--- a/fuzzers/100-dsp-mskpat/Makefile
+++ b/fuzzers/100-dsp-mskpat/Makefile
@@ -4,13 +4,13 @@ SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N)))
 SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS))
 
 database: $(SPECIMENS_OK)
-	${XRAY_SEGMATCH} -o seg_dsp_l.db $(addsuffix /segdata_dsp_l_*.txt,$(SPECIMENS))
-	${XRAY_SEGMATCH} -o seg_dsp_r.db $(addsuffix /segdata_dsp_r_*.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -o segbits_dsp_l.db $(addsuffix /segdata_dsp_l_*.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -o segbits_dsp_r.db $(addsuffix /segdata_dsp_r_*.txt,$(SPECIMENS))
 
 pushdb:
 	${XRAY_DBFIXUP} --db-root . --clb-int
-	${XRAY_MERGEDB} dsp_l seg_dsp_l.db
-	${XRAY_MERGEDB} dsp_r seg_dsp_r.db
+	${XRAY_MERGEDB} dsp_l segbits_dsp_l.db
+	${XRAY_MERGEDB} dsp_r segbits_dsp_r.db
 
 $(SPECIMENS_OK):
 	bash generate.sh $(subst /OK,,$@)
@@ -23,7 +23,7 @@ run:
 	touch run.ok
 
 clean:
-	rm -rf specimen_[0-9][0-9][0-9]/ seg_dsp_l.db seg_dsp_r.segbits run.ok
+	rm -rf specimen_[0-9][0-9][0-9]/ segbits_dsp_l.db segbits_dsp_r.db run.ok
 
 .PHONY: database pushdb run clean