diff --git a/yosys/abc.rc b/yosys/abc.rc
new file mode 100644
index 000000000..64e78950f
--- /dev/null
+++ b/yosys/abc.rc
@@ -0,0 +1,174 @@
+# global parameters
+set check         # checks intermediate networks
+#set checkfio      # prints warnings when fanins/fanouts are duplicated
+set checkread     # checks new networks after reading from file
+set backup        # saves backup networks retrived by "undo" and "recall"
+set savesteps 1   # sets the maximum number of backup networks to save 
+set progressbar   # display the progress bar
+
+# program names for internal calls
+set dotwin dot.exe
+set dotunix dot
+set gsviewwin gsview32.exe
+set gsviewunix gv
+set siswin sis.exe
+set sisunix sis
+set mvsiswin mvsis.exe
+set mvsisunix mvsis
+set capowin MetaPl-Capo10.1-Win32.exe
+set capounix MetaPl-Capo10.1
+set gnuplotwin wgnuplot.exe
+set gnuplotunix gnuplot
+
+# standard aliases
+alias b balance
+alias cl cleanup
+alias clp collapse
+alias esd ext_seq_dcs
+alias f fraig
+alias fs fraig_sweep
+alias fsto fraig_store
+alias fres fraig_restore
+alias ft fraig_trust
+alias lp lutpack
+alias pd print_dsd
+alias pex print_exdc -d
+alias pf print_factor
+alias pfan print_fanio
+alias pl print_level
+alias pio print_io
+alias pk print_kmap
+alias ps print_stats 
+alias psu print_supp
+alias psy print_symm
+alias pun print_unate
+alias q quit
+alias r read
+alias r3 retime -M 3
+alias r3f retime -M 3 -f
+alias r3b retime -M 3 -b
+alias ren renode
+alias rh read_hie
+alias rl read_blif
+alias rb read_bench
+alias ret retime
+alias rp read_pla
+alias rt read_truth
+alias rv read_verilog
+alias rvl read_verlib
+alias rsup read_super mcnc5_old.super
+alias rlib read_library
+alias rlibc read_library cadence.genlib
+alias rw rewrite
+alias rwz rewrite -z
+alias rf refactor
+alias rfz refactor -z
+alias re restructure
+alias rez restructure -z
+alias rs resub
+alias rsz resub -z
+alias sa set autoexec ps
+alias scl scleanup
+alias sif if -s
+alias so source -x
+alias st strash
+alias sw sweep
+alias ssw ssweep
+alias tr0 trace_start
+alias tr1 trace_check
+alias trt "r c.blif; st; tr0; b; tr1"
+alias u undo
+alias w write
+alias wa write_aiger
+alias wb write_bench
+alias wc write_cnf
+alias wh write_hie
+alias wl write_blif
+alias wp write_pla
+alias wv write_verilog
+
+# standard scripts
+alias share       "b; ren -s; fx; b"
+alias sharedsd    "b; ren -b; dsd -g; sw; fx; b"
+alias resyn       "b; rw; rwz; b; rwz; b"
+alias resyn2      "b; rw; rf; b; rw; rwz; b; rfz; rwz; b"
+alias resyn2a     "b; rw; b; rw; rwz; b; rwz; b"
+alias resyn3      "b; rs; rs -K 6; b; rsz; rsz -K 6; b; rsz -K 5; b"
+alias compress    "b -l; rw -l; rwz -l; b -l; rwz -l; b -l"
+alias compress2   "b -l; rw -l; rf -l; b -l; rw -l; rwz -l; b -l; rfz -l; rwz -l; b -l"
+alias choice      "fraig_store; resyn; fraig_store; resyn2; fraig_store; fraig_restore"
+alias choice2     "fraig_store; balance; fraig_store; resyn; fraig_store; resyn2; fraig_store; resyn2; fraig_store; fraig_restore"
+alias rwsat       "st; rw -l; b -l; rw -l; rf -l"
+alias rwsat2      "st; rw -l; b -l; rw -l; rf -l; fraig; rw -l; b -l; rw -l; rf -l"
+alias shake       "st; ps; sat -C 5000; rw -l; ps; sat -C 5000; b -l; rf -l; ps; sat -C 5000; rfz -l; ps; sat -C 5000; rwz -l; ps; sat -C 5000; rfz -l; ps; sat -C 5000"
+
+# resubstitution scripts for the IWLS paper
+alias src_rw      "st; rw -l; rwz -l; rwz -l" 
+alias src_rs      "st; rs -K 6 -N 2 -l; rs -K 9 -N 2 -l; rs -K 12 -N 2 -l" 
+alias src_rws     "st; rw -l; rs -K 6 -N 2 -l; rwz -l; rs -K 9 -N 2 -l; rwz -l; rs -K 12 -N 2 -l" 
+alias resyn2rs    "b; rs -K 6; rw; rs -K 6 -N 2; rf; rs -K 8; b; rs -K 8 -N 2; rw; rs -K 10; rwz; rs -K 10 -N 2; b; rs -K 12; rfz; rs -K 12 -N 2; rwz; b"
+alias compress2rs "b -l; rs -K 6 -l; rw -l; rs -K 6 -N 2 -l; rf -l; rs -K 8 -l; b -l; rs -K 8 -N 2 -l; rw -l; rs -K 10 -l; rwz -l; rs -K 10 -N 2 -l; b -l; rs -K 12 -l; rfz -l; rs -K 12 -N 2 -l; rwz -l; b -l"
+
+# experimental implementation of don't-cares
+alias resyn2rsdc    "b; rs -K 6 -F 2; rw; rs -K 6 -N 2 -F 2; rf; rs -K 8 -F 2; b; rs -K 8 -N 2 -F 2; rw; rs -K 10 -F 2; rwz; rs -K 10 -N 2 -F 2; b; rs -K 12 -F 2; rfz; rs -K 12 -N 2 -F 2; rwz; b"
+alias compress2rsdc "b -l; rs -K 6 -F 2 -l; rw -l; rs -K 6 -N 2 -F 2 -l; rf -l; rs -K 8 -F 2 -l; b -l; rs -K 8 -N 2 -F 2 -l; rw -l; rs -K 10 -F 2 -l; rwz -l; rs -K 10 -N 2 -F 2 -l; b -l; rs -K 12 -F 2 -l; rfz -l; rs -K 12 -N 2 -F 2 -l; rwz -l; b -l"
+
+# minimizing for FF literals
+alias fflitmin    "compress2rs; ren; sop; ps -f"
+
+# temporaries
+#alias t        "rvl th/lib.v; rvv th/t2.v"
+#alias t        "so c/pure_sat/test.c"
+#alias t        "r c/14/csat_998.bench; st; ps"
+#alias t0        "r res.blif; aig; mfs"  
+#alias t        "r res2.blif; aig; mfs"  
+
+#alias tt       "r a/quip_opt/nut_001_opt.blif"
+#alias ttb      "wh a/quip_opt/nut_001_opt.blif 1.blif"
+#alias ttv      "wh a/quip_opt/nut_001_opt.blif 1.v"
+
+alias reach    "st; ps; compress2; ps; qrel; ps; compress2; ps; qreach -v; ps"
+
+alias qs1      "qvar -I 96 -u; ps; qbf -P 96" 
+alias qs2      "qvar -I 96 -u; qvar -I 97 -u; ps; qbf -P 96" 
+alias qs3      "qvar -I 96 -u; qvar -I 97 -u; qvar -I 98 -u; ps; qbf -P 96" 
+alias qs4      "qvar -I 96 -u; qvar -I 97 -u; qvar -I 98 -u; qvar -I 99 -u; ps; qbf -P 96" 
+alias qs5      "qvar -I 96 -u; qvar -I 97 -u; qvar -I 98 -u; qvar -I 99 -u; qvar -I 100 -u; ps; qbf -P 96" 
+alias qs6      "qvar -I 96 -u; qvar -I 97 -u; qvar -I 98 -u; qvar -I 99 -u; qvar -I 100 -u; qvar -I 101 -u; ps; qbf -P 96" 
+alias qs7      "qvar -I 96 -u; qvar -I 97 -u; qvar -I 98 -u; qvar -I 99 -u; qvar -I 100 -u; qvar -I 101 -u; qvar -I 102 -u; ps; qbf -P 96" 
+alias qs8      "qvar -I 96 -u; qvar -I 97 -u; qvar -I 98 -u; qvar -I 99 -u; qvar -I 100 -u; qvar -I 101 -u; qvar -I 102 -u; qvar -I 103 -u; ps; qbf -P 96" 
+alias qs9      "qvar -I 96 -u; qvar -I 97 -u; qvar -I 98 -u; qvar -I 99 -u; qvar -I 100 -u; qvar -I 101 -u; qvar -I 102 -u; qvar -I 103 -u; qvar -I 104 -u; ps; qbf -P 96" 
+alias qsA      "qvar -I 96 -u; qvar -I 97 -u; qvar -I 98 -u; qvar -I 99 -u; qvar -I 100 -u; qvar -I 101 -u; qvar -I 102 -u; qvar -I 103 -u; qvar -I 104 -u; qvar -I 105 -u; ps; qbf -P 96" 
+
+alias chnew    "st; haig_start; resyn2; haig_use"
+alias chnewrs  "st; haig_start; resyn2rs; haig_use"
+
+alias stdsd    "r test/6in.blif; st; ps; u; bdd; dsd -g; st; ps"
+alias trec     "rec_start; r c.blif; st; rec_add; rec_use"
+alias trec4    "rec_start -K 4; r i10.blif; st; rec_add; rec_use"
+alias trec5    "rec_start -K 5; r i10.blif; st; rec_add; rec_use"
+alias trec6    "rec_start -K 6; r i10.blif; st; rec_add; rec_use"
+alias trec7    "rec_start -K 7; r i10.blif; st; rec_add; rec_use"
+alias trec8    "rec_start -K 8; r i10.blif; st; rec_add; rec_use"
+alias trec10   "rec_start -K 10; r i10.blif; st; rec_add; rec_use"
+alias trec12   "rec_start -K 12; r i10.blif; st; rec_add; rec_use"
+
+#alias tsh      "r i10_if.blif; st; ps; u; sw; st; ps; cec"
+alias tst4     "r i10_if4.blif; st; ps; r x/rec4_.blif; st; rec_start; r i10_if4.blif; st -r; ps; cec"
+alias tst4n    "r i10_if4.blif; st; ps; r 5npn/all_functions.aig; st; rec_start; r i10_if4.blif; st -r; ps; cec"
+alias tst6     "r i10_if6.blif; st; ps; r x/rec6_16_.blif; st; rec_start; r i10_if6.blif; st -r; ps; cec"
+
+#alias t        "r c.blif; st; wc c.cnf"
+#alias t        "r test/dsdmap6.blif; lutpack -vw; cec"
+#alias t        "r i10_if4.blif; lp"
+#alias t1        "r pj1_if4.blif; lp"
+#alias t2        "r pj1_if6.blif; lp"
+#alias t        "r pj/pj1.blif; st; dfraig -v"
+#alias t        "r c/16/csat_2.bench; st; dfraig -C 100 -v -r"
+#alias t        "r c/16/csat_147.bench; st; dfraig -C 10 -v -r"
+#alias t        "r i10.blif; st; ps; csweep; ps; cec"
+#alias t        "r c/5/csat_777.bench; st; csweep -v"
+#alias t        "r i10.blif; st; drw -v"
+alias t        "r c.blif; st; drf"
+
+