From 58210668c1cdd0eafbe9c136a16b3a9b181a0274 Mon Sep 17 00:00:00 2001
From: Brian Taylor <lbwnet@comcast.net>
Date: Sat, 6 Aug 2022 12:10:57 -0700
Subject: [PATCH] Add ab_counter.cir and ab_ex283.cir test circuits for auto
 bridge.

---
 examples/p-to-n-examples/.spiceinit     |   1 +
 examples/p-to-n-examples/ab_counter.cir |  60 ++++
 examples/p-to-n-examples/ab_ex283.cir   | 362 ++++++++++++++++++++++++
 3 files changed, 423 insertions(+)
 create mode 100644 examples/p-to-n-examples/ab_counter.cir
 create mode 100644 examples/p-to-n-examples/ab_ex283.cir

diff --git a/examples/p-to-n-examples/.spiceinit b/examples/p-to-n-examples/.spiceinit
index aeee13ea7..88f94f9b7 100644
--- a/examples/p-to-n-examples/.spiceinit
+++ b/examples/p-to-n-examples/.spiceinit
@@ -1 +1,2 @@
 set ngbehavior=ltpsa
+set auto_bridge=2
diff --git a/examples/p-to-n-examples/ab_counter.cir b/examples/p-to-n-examples/ab_counter.cir
new file mode 100644
index 000000000..f969f4468
--- /dev/null
+++ b/examples/p-to-n-examples/ab_counter.cir
@@ -0,0 +1,60 @@
+ab_counter.cir for IN/OUT auto_bridge
+
+.param highv=5.0
+.param lowv=0.0
+
+.subckt counter high clear clk qa qb qc qd 5 7 9 11
++  params: vcc={highv}
+U1 JKFF(1) $G_DPWR $G_DGND  HIGH CLEAR CLK HIGH HIGH QA 5
++ D0_EFF IO_STD IO_LEVEL=0 MNTYMXDLY=2
+U2 JKFF(1) $G_DPWR $G_DGND  HIGH CLEAR QA HIGH HIGH QB 7
++ D0_EFF IO_STD IO_LEVEL=0 MNTYMXDLY=2
+U3 JKFF(1) $G_DPWR $G_DGND  HIGH CLEAR QB HIGH HIGH QC 9
++ D0_EFF IO_STD IO_LEVEL=0 MNTYMXDLY=2
+U4 JKFF(1) $G_DPWR $G_DGND  HIGH CLEAR QC HIGH HIGH QD 11
++ D0_EFF IO_STD IO_LEVEL=0 MNTYMXDLY=2
+.MODEL D0_EFF UEFF ()
+.ends counter
+
+*** input sources ***
+vclk 100 0 lowv pulse( lowv highv 50ns 0ns 0ns 50ns 100ns )
+vreset 200 0 lowv pulse( highv lowv 10ns 0ns 0ns 50ns ) 
+vhigh 300 0 DC highv
+
+*** resistors to ground ***
+r1 100 0 1k
+r2 200 0 1k
+r3 300 0 1k
+r4 1000 0 1k
+r5 1001 0 1k
+r6 1002 0 1k
+r7 1003 0 1k
+
+x1 300 200 100 q1 q2 q3 q4 1000 1001 1002 1003 counter
+
+*.TRAN 1e-008 4u 0 
+.save all
+
+.control
+TRAN 1e-008 4u 0 
+run
+listing expand
+display
+edisplay
+
+* save data to input directory
+cd $inputdir 
+eprvcd 300 200 100 q1 q2 q3 q4 1000 1001 1002 1003 > ab_counter.vcd
+* plotting the vcd file with GTKWave
+if $oscompiled = 1 | $oscompiled = 8  ; MS Windows
+  shell start gtkwave ab_counter.vcd --script nggtk.tcl
+else
+  if $oscompiled = 7 ; macOS, manual tweaking required (mark, insert, Zoom Fit)
+    shell open -a gtkwave ab_counter.vcd
+  else ; Linux and others
+    shell gtkwave ab_counter.vcd --script nggtk.tcl &
+  end
+end
+quit
+.endc
+.END
diff --git a/examples/p-to-n-examples/ab_ex283.cir b/examples/p-to-n-examples/ab_ex283.cir
new file mode 100644
index 000000000..7e873cf77
--- /dev/null
+++ b/examples/p-to-n-examples/ab_ex283.cir
@@ -0,0 +1,362 @@
+Component type 283 : 4-bit adder with analog IN/OUT ports
+
+.param vcc=3.2
+
+.subckt 283  a1 a2 a3 a4 b1 b2 b3 b4 c0 sigma1 sigma2 sigma3 sigma4 c4
++     optional: DPWR=$G_DPWR DGND=$G_DGND
++     params: MNTYMXDLY=0 IO_LEVEL=0
+
+U1 BUF $G_DPWR $G_DGND  2 3
++ M1 IOM1 IO_LEVEL=0 MNTYMXDLY=2
+U2 AND(2) $G_DPWR $G_DGND  4 5 6
++ M2 IOM2 IO_LEVEL=0 MNTYMXDLY=2
+U3 AND(3) $G_DPWR $G_DGND  7 5 8 9
++ M3 IOM3 IO_LEVEL=0 MNTYMXDLY=2
+U4 AND(4) $G_DPWR $G_DGND  10 5 8 11 12
++ M4 IOM4 IO_LEVEL=0 MNTYMXDLY=2
+U5 AND(5) $G_DPWR $G_DGND  5 8 11 13 14 15
++ M5 IOM5 IO_LEVEL=0 MNTYMXDLY=2
+U6 NOR(5) $G_DPWR $G_DGND  3 6 9 12 15 C4
++ M6 IOM6 IO_LEVEL=0 MNTYMXDLY=2
+U7 INV $G_DPWR $G_DGND  2 17
++ M7 IOM7 IO_LEVEL=0 MNTYMXDLY=2
+U8 AND(2) $G_DPWR $G_DGND  5 17 18
++ M8 IOM8 IO_LEVEL=0 MNTYMXDLY=2
+U9 BUF $G_DPWR $G_DGND  4 19
++ M9 IOM9 IO_LEVEL=0 MNTYMXDLY=2
+U10 AND(2) $G_DPWR $G_DGND  7 8 20
++ M10 IOM10 IO_LEVEL=0 MNTYMXDLY=2
+U11 AND(3) $G_DPWR $G_DGND  10 8 11 21
++ M11 IOM11 IO_LEVEL=0 MNTYMXDLY=2
+U12 AND(4) $G_DPWR $G_DGND  8 11 13 14 22
++ M12 IOM12 IO_LEVEL=0 MNTYMXDLY=2
+U13 NOR(4) $G_DPWR $G_DGND  19 20 21 22 23
++ M13 IOM13 IO_LEVEL=0 MNTYMXDLY=2
+U15 INV $G_DPWR $G_DGND  4 24
++ M15 IOM15 IO_LEVEL=0 MNTYMXDLY=2
+U16 AND(2) $G_DPWR $G_DGND  8 24 25
++ M16 IOM16 IO_LEVEL=0 MNTYMXDLY=2
+U17 BUF $G_DPWR $G_DGND  7 26
++ M17 IOM17 IO_LEVEL=0 MNTYMXDLY=2
+U18 AND(2) $G_DPWR $G_DGND  10 11 27
++ M18 IOM18 IO_LEVEL=0 MNTYMXDLY=2
+U19 AND(3) $G_DPWR $G_DGND  11 13 14 28
++ M19 IOM19 IO_LEVEL=0 MNTYMXDLY=2
+U21 NOR(3) $G_DPWR $G_DGND  26 27 28 29
++ M21 IOM21 IO_LEVEL=0 MNTYMXDLY=2
+U22 INV $G_DPWR $G_DGND  7 30
++ M22 IOM22 IO_LEVEL=0 MNTYMXDLY=2
+U23 AND(2) $G_DPWR $G_DGND  11 30 31
++ M23 IOM23 IO_LEVEL=0 MNTYMXDLY=2
+U24 BUF $G_DPWR $G_DGND  10 32
++ M24 IOM24 IO_LEVEL=0 MNTYMXDLY=2
+U25 AND(2) $G_DPWR $G_DGND  13 14 33
++ M25 IOM25 IO_LEVEL=0 MNTYMXDLY=2
+U26 NOR(2) $G_DPWR $G_DGND  32 33 34
++ M26 IOM26 IO_LEVEL=0 MNTYMXDLY=2
+U28 INV $G_DPWR $G_DGND  10 35
++ M28 IOM28 IO_LEVEL=0 MNTYMXDLY=2
+U29 AND(2) $G_DPWR $G_DGND  13 35 36
++ M29 IOM29 IO_LEVEL=0 MNTYMXDLY=2
+U30 INV $G_DPWR $G_DGND  14 37
++ M30 IOM30 IO_LEVEL=0 MNTYMXDLY=2
+U32 INV $G_DPWR $G_DGND  C0 14
++ M32 IOM32 IO_LEVEL=0 MNTYMXDLY=2
+U33 NAND(2) $G_DPWR $G_DGND  b1 a1 13
++ M33 IOM33 IO_LEVEL=0 MNTYMXDLY=2
+U34 NOR(2) $G_DPWR $G_DGND  b1 a1 10
++ M34 IOM34 IO_LEVEL=0 MNTYMXDLY=2
+U35 NOR(2) $G_DPWR $G_DGND  B2 A2 7
++ M35 IOM35 IO_LEVEL=0 MNTYMXDLY=2
+U36 NAND(2) $G_DPWR $G_DGND  B2 A2 11
++ M36 IOM36 IO_LEVEL=0 MNTYMXDLY=2
+U37 NAND(2) $G_DPWR $G_DGND  b3 A3 8
++ M37 IOM37 IO_LEVEL=0 MNTYMXDLY=2
+U38 NOR(2) $G_DPWR $G_DGND  b3 A3 4
++ M38 IOM38 IO_LEVEL=0 MNTYMXDLY=2
+U39 NOR(2) $G_DPWR $G_DGND  B4 A4 2
++ M39 IOM39 IO_LEVEL=0 MNTYMXDLY=2
+U40 NAND(2) $G_DPWR $G_DGND  B4 A4 5
++ M40 IOM40 IO_LEVEL=0 MNTYMXDLY=2
+*** U41 STIM(8,44) $G_DPWR $G_DGND  a1 A2 A3 A4 b1 B2 b3 B4
+*** + IO_STD IO_LEVEL=0
+*** + LABEL=START   0NS INCR BY 11   100NS GOTO START -1 TIMES 
+*** U42 STIM(1,1) $G_DPWR $G_DGND  C0
+*** + IO_STD IO_LEVEL=0
+*** + 0NS 0 
+U43 XOR $G_DPWR $G_DGND  18 23 SIGMA4
++ M1 IO_STD IO_LEVEL=0 MNTYMXDLY=2
+U44 XOR $G_DPWR $G_DGND  25 29 SIGMA3
++ M1 IO_STD IO_LEVEL=0 MNTYMXDLY=2
+U45 XOR $G_DPWR $G_DGND  31 34 SIGMA2
++ M1 IO_STD IO_LEVEL=0 MNTYMXDLY=2
+U46 XOR $G_DPWR $G_DGND  36 37 SIGMA1
++ M1 IO_STD IO_LEVEL=0 MNTYMXDLY=2
+*
+.MODEL M1 UGATE (TPLHTY=3N TPHLTY=2N)
+.MODEL IOM1 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M2 UGATE ()
+.MODEL IOM2 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M3 UGATE ()
+.MODEL IOM3 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M4 UGATE ()
+.MODEL IOM4 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M5 UGATE ()
+.MODEL IOM5 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M6 UGATE ()
+.MODEL IOM6 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M7 UGATE ()
+.MODEL IOM7 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M8 UGATE ()
+.MODEL IOM8 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M9 UGATE ()
+.MODEL IOM9 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M10 UGATE ()
+.MODEL IOM10 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M11 UGATE ()
+.MODEL IOM11 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M12 UGATE ()
+.MODEL IOM12 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M13 UGATE ()
+.MODEL IOM13 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M14 UGATE ()
+.MODEL IOM14 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M15 UGATE ()
+.MODEL IOM15 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M16 UGATE ()
+.MODEL IOM16 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M17 UGATE ()
+.MODEL IOM17 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M18 UGATE ()
+.MODEL IOM18 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M19 UGATE ()
+.MODEL IOM19 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M20 UGATE ()
+.MODEL IOM20 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M21 UGATE ()
+.MODEL IOM21 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M22 UGATE ()
+.MODEL IOM22 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M23 UGATE ()
+.MODEL IOM23 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M24 UGATE ()
+.MODEL IOM24 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M25 UGATE ()
+.MODEL IOM25 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M26 UGATE ()
+.MODEL IOM26 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M27 UGATE ()
+.MODEL IOM27 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M28 UGATE ()
+.MODEL IOM28 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M29 UGATE ()
+.MODEL IOM29 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M30 UGATE ()
+.MODEL IOM30 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M31 UGATE ()
+.MODEL IOM31 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M32 UGATE ()
+.MODEL IOM32 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M33 UGATE ()
+.MODEL IOM33 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M34 UGATE ()
+.MODEL IOM34 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M35 UGATE ()
+.MODEL IOM35 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M36 UGATE ()
+.MODEL IOM36 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M37 UGATE ()
+.MODEL IOM37 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M38 UGATE ()
+.MODEL IOM38 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M39 UGATE ()
+.MODEL IOM39 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+.MODEL M40 UGATE (TPLHTY=4N TPHLTY=6N)
+.MODEL IOM40 UIO (INLD=0 OUTLD=0 DRVH=50 DRVL=50 ATOD1="ATOD1" 
++ DTOA1="DTOD1" ATOD2="ATOD2" DTOA2="DTOD2" ATOD3="ATOD3" DTOA3="DTOD3" 
++ ATOD4="ATOD4" DTOA4="DTOD4" TSWLH1=0 TSWLH2=0 TSWLH3=0 TSWLH4=0 
++ TSWHL1=0 TSWHL2=0 TSWHL3=0 TSWHL4=0 DIGPOWER="DIGPOWER")
+*** From file C:\MC12\library\DIGIO.LIB
+.MODEL IO_STD UIO (
++  DRVH=130 DRVL=130
++  ATOD1="ATOD_STD" ATOD2="ATOD_STD_NX"
++  ATOD3="ATOD_STD" ATOD4="ATOD_STD_NX"
++  DTOA1="DTOA_STD" DTOA2="DTOA_STD"
++  DTOA3="DTOA_STD" DTOA4="DTOA_STD"
++  TSWHL1=3.310NS TSWHL2=3.310NS
++  TSWHL3=3.310NS TSWHL4=3.310NS
++  TSWLH1=2.115NS TSWLH2=2.115NS
++  TSWLH3=2.115NS TSWLH4=2.115NS
++  DIGPOWER="DIGIFPWR")
+*
+.ends 283
+
+X1 a1 a2 a3 a4 b1 b2 b3 b4 c0 sigma1 sigma2 sigma3 sigma4 c4 283
+
+va1 a1 0 pulse( 0.0 3.2 0ns 0ns 0ns 100ns 200ns )
+va2 a2 0 pulse( 3.2 0.0 0ns 0ns 0ns 100ns 200ns )
+va3 a3 0 pulse( 0.0 3.2 0ns 0ns 0ns 100ns 200ns )
+va4 a4 0 pulse( 3.2 0.0 0ns 0ns 0ns 100ns 200ns )
+
+vb1 b1 0 pulse( 3.2 0.0 0ns 0ns 0ns 100ns 200ns )
+vb2 b2 0 pulse( 3.2 0.0 0ns 0ns 0ns 100ns 200ns )
+vb3 b3 0 pulse( 3.2 0.0 0ns 0ns 0ns 100ns 200ns )
+vb4 b4 0 pulse( 0.0 3.2 0ns 0ns 0ns 100ns 200ns )
+
+vc0 c0 0 pulse( 0.0 3.2 2us )
+
+r1 a1 0 10k
+r2 a2 0 10k
+r3 a3 0 10k
+r4 a4 0 10k
+r5 c0 0 10k
+r6 c4 0 10k
+r10 b1 0 10k
+r20 b2 0 10k
+r30 b3 0 10k
+r40 b4 0 10k
+r100 sigma1 0 10k
+r200 sigma2 0 10k
+r300 sigma3 0 10k
+r400 sigma4 0 10k
+
+.tran 1ns 4us
+.control
+run
+listing expand
+edisplay
+* eprint a4 a3 a2 a1 b4 b3 b2 b1 c0
+* eprint sigma4 sigma3 sigma2 sigma1 c4
+* save data to input directory
+cd $inputdir 
+eprvcd a4 a3 a2 a1 b4 b3 b2 b1 c0 sigma4 sigma3 sigma2 sigma1 c4 > ab_ex283.vcd
+* plotting the vcd file with GTKWave
+if $oscompiled = 1 | $oscompiled = 8  ; MS Windows
+  shell start gtkwave ab_ex283.vcd --script nggtk.tcl
+else
+  if $oscompiled = 7 ; macOS, manual tweaking required (mark, insert, Zoom Fit)
+    shell open -a gtkwave ab_ex283.vcd
+  else ; Linux and others
+    shell gtkwave ab_ex283.vcd --script nggtk.tcl &
+  end
+end
+quit
+.endc
+.end