no drc errors, irsim looks ok

custom/wtf/magic.tcl

@@ -0,0 +1,17 @@
+# magic -rcfile magic.tcl
+
+source ../magic/.magic_tech/.magicrc
+
+# openwrapper for non-cmdline
+set cmdline 0
+if {[catch {openwrapper}]} {
+   set cmdline 1
+}
+
+gds read toysram_bit.gds
+load toysram_bit
+
+# quit if commandline
+if {$cmdline} {
+   quit
+}

custom/wtf/magic_extract_bit.tcl

@@ -0,0 +1,28 @@
+# magic -rcfile magic.tcl
+
+source ../magic/.magic_tech/.magicrc
+
+# openwrapper for non-cmdline
+set cmdline 0
+if {[catch {openwrapper}]} {
+   set cmdline 1
+}
+
+gds read toysram_bit.gds
+load toysram_bit
+select
+
+# create toysram_bit.ext
+extract cell toysram_bit
+
+# create toysram_bit.spice
+ext2spice scale off
+ext2spice -F -f ngspice
+
+# create toysram_bit.sim
+ext2sim -R -C
+
+# quit if commandline
+if {$cmdline} {
+   quit
+}

custom/wtf/magic_irsim_bit.tcl

@@ -0,0 +1,90 @@
+# magic -rcfile magic.tcl
+
+source ../magic/.magic_tech/.magicrc
+
+# openwrapper for non-cmdline
+set cmdline 0
+if {[catch {openwrapper}]} {
+   set cmdline 1
+}
+
+gds read toysram_bit.gds
+load toysram_bit
+
+irsim $PDK_ROOT/sky130A/libs.tech/irsim/sky130A_1v98_27.prm toysram_bit.sim
+h VDD
+l GND_0
+l GND_1
+ana inv1_q inv2_q WWL WBL WBLb RWL0 RBL0 RWL1 RBL1
+
+h RWL0
+h RWL1
+s 100
+
+# write 1
+h WWL
+h WBL
+l WBLb
+# RBL's are floating except when pulled to 0 - force/release
+u RBL0
+u RBL1
+s 10
+x RBL0
+x RBL1
+s 10
+s 100
+s 100
+l WWL
+s 100
+
+# write 0
+h WWL
+l WBL
+h WBLb
+# RBL's are floating except when pulled to 0 - force/release
+u RBL0
+u RBL1
+s 10
+x RBL0
+x RBL1
+s 10
+s 100
+s 100
+l WWL
+s 100
+
+# write 1
+h WWL
+h WBL
+l WBLb
+# RBL's are floating except when pulled to 0 - force/release
+u RBL0
+u RBL1
+s 10
+x RBL0
+x RBL1
+s 10
+s 100
+s 100
+l WWL
+s 100
+
+# disable rwl's
+l RWL0
+l RWL1
+# RBL's are floating except when pulled to 0 - force/release
+u RBL0
+u RBL1
+s 10
+x RBL0
+x RBL1
+s 10
+s 100
+
+
+
+
+# quit if commandline
+if {$cmdline} {
+   quit
+}

custom/wtf/magicdrc_bit.tcl

@@ -0,0 +1,27 @@
+# magic -dnull -noconsole -rcfile magicdrc_bit.tcl toysram_bit.gds
+# magic -rcfile magicdrc_bit.tcl toysram_bit.gds
+
+source ../magic/.magic_tech/.magicrc
+
+# openwrapper for non-cmdline
+set cmdline 0
+if {[catch {openwrapper}]} {
+   set cmdline 1
+}
+
+# check drc
+gds read toysram_bit.gds
+load toysram_bit
+
+# for some reason these don't return values; just puts
+drc catchup
+drc statistics
+drc count total
+# console sees errors (drc count) but doesn't show why until manually 'select more' again
+select more
+drc why
+
+# quit if commandline
+if {$cmdline} {
+   quit
+}

custom/wtf/toysram_bit.ext

@@ -0,0 +1,115 @@
+timestamp 1400616048
+version 8.3
+tech sky130A
+style ngspice()
+scale 1000 1 500000
+resistclasses 4400000 2200000 950000 3050000 120000 197000 114000 191000 120000 197000 114000 191000 48200 319800 2000000 48200 48200 12800 125 125 47 47 29 5
+parameters sky130_fd_pr__nfet_01v8 l=l w=w a1=as p1=ps a2=ad p2=pd
+parameters sky130_fd_pr__pfet_01v8 l=l w=w a1=as p1=ps a2=ad p2=pd
+port "RBL1" 11 644 22 644 22 m1
+port "WBLb" 9 196 22 196 22 m1
+port "RWL1" 15 899 90 933 124 m2
+port "GND_1" 6 672 221 672 221 m1
+port "VDD" 5 408 221 408 221 m1
+port "GND_0" 4 196 221 196 221 m1
+port "inv1_q" 7 126 175 126 175 li
+port "inv2_q" 3 196 333 196 333 li
+port "RWL0" 13 899 382 933 416 m2
+port "RBL0" 10 644 412 644 412 m1
+port "WWL" 8 0 384 0 384 m2
+port "WBL" 2 196 412 196 412 m1
+node "RBL1" 189 87.5434 644 22 m1 0 0 0 0 0 0 0 0 10836 424 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4624 272 12376 500 0 0 0 0 0 0 0 0 0 0
+node "WBLb" 144 101.825 196 22 m1 0 0 0 0 0 0 0 0 8820 376 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4624 272 13328 528 0 0 0 0 0 0 0 0 0 0
+node "RWL1" 482 250.377 899 90 m2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11704 744 0 0 4624 272 4624 272 4624 272 0 0 0 0 0 0 0 0
+node "a_672_120#" 213 0 672 120 ndif 0 0 0 0 0 0 0 0 8946 394 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+node "GND_1" 236 62.2221 672 221 m1 0 0 0 0 0 0 0 0 8568 388 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4624 272 18904 692 0 0 0 0 0 0 0 0 0 0
+node "VDD" 256 55.6586 408 221 m1 0 0 0 0 0 0 0 0 0 0 5712 304 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4624 272 10540 446 0 0 0 0 0 0 0 0 0 0
+node "GND_0" 186 22.8207 196 221 m1 0 0 0 0 0 0 0 0 6664 332 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4624 272 10472 444 0 0 0 0 0 0 0 0 0 0
+node "a_672_319#" 240 0 672 319 ndif 0 0 0 0 0 0 0 0 7938 378 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+node "inv1_q" 1824 366.094 126 175 li 0 0 0 0 0 0 0 0 6958 338 4956 286 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24544 1600 0 0 22202 1306 0 0 0 0 0 0 0 0 0 0 0 0
+node "inv2_q" 1733 320.375 196 333 li 0 0 0 0 0 0 0 0 6174 322 5460 298 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 22984 1496 0 0 21998 1294 0 0 0 0 0 0 0 0 0 0 0 0
+node "RWL0" 482 248.922 899 382 m2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11704 744 0 0 4624 272 4624 272 4624 272 0 0 0 0 0 0 0 0
+node "RBL0" 249 87.1885 644 412 m1 0 0 0 0 0 0 0 0 8064 380 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4624 272 12376 500 0 0 0 0 0 0 0 0 0 0
+node "WWL" 1419 687.379 0 384 m2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 29048 1864 0 0 9248 544 9248 544 27608 948 0 0 0 0 0 0 0 0
+node "WBL" 186 79.5418 196 412 m1 0 0 0 0 0 0 0 0 6664 332 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4624 272 11424 472 0 0 0 0 0 0 0 0 0 0
+node "w_420_92#" 1877 167.328 420 92 nw 0 0 0 0 55776 1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+substrate "VSUBS" 0 0 -1073741817 -1073741817 space 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+cap "WWL" "GND_1" 0.595193
+cap "GND_1" "inv1_q" 6.63401
+cap "RWL1" "a_672_120#" 2.86675
+cap "WBL" "GND_0" 46.2
+cap "inv2_q" "a_672_120#" 1.35302
+cap "w_420_92#" "GND_0" 1.09829
+cap "VDD" "w_420_92#" 10.2978
+cap "a_672_319#" "inv2_q" 3.30277
+cap "RWL1" "inv2_q" 12.8835
+cap "WBL" "RWL0" 0.250236
+cap "w_420_92#" "RWL0" 3.24793
+cap "GND_0" "WBLb" 43.3786
+cap "RBL0" "inv1_q" 4.50285
+cap "WWL" "RBL0" 0.465371
+cap "w_420_92#" "GND_1" 0.403507
+cap "RBL1" "WBLb" 15.9153
+cap "WWL" "a_672_120#" 1.38033
+cap "inv1_q" "a_672_120#" 1.58011
+cap "WWL" "a_672_319#" 0.744559
+cap "VDD" "GND_0" 58.3334
+cap "RWL1" "inv1_q" 0.888276
+cap "WWL" "RWL1" 12.992
+cap "inv1_q" "inv2_q" 219.557
+cap "WWL" "inv2_q" 63.2312
+cap "WBL" "RBL0" 14.7382
+cap "w_420_92#" "RBL0" 1.22486
+cap "RWL0" "RBL1" 0.179849
+cap "VDD" "GND_1" 23.0202
+cap "RBL1" "GND_1" 57.913
+cap "w_420_92#" "RWL1" 3.60183
+cap "WBL" "inv2_q" 58.88
+cap "RWL0" "GND_1" 46.2272
+cap "w_420_92#" "inv2_q" 12.8288
+cap "WWL" "inv1_q" 133.688
+cap "RWL1" "WBLb" 0.250411
+cap "WBLb" "inv2_q" 3.39991
+cap "RBL0" "RBL1" 3.2087
+cap "RBL0" "RWL0" 31.2871
+cap "WBL" "inv1_q" 2.83011
+cap "WBL" "WWL" 34.6896
+cap "w_420_92#" "WWL" 6.65585
+cap "w_420_92#" "inv1_q" 6.15947
+cap "RBL1" "a_672_120#" 7.22417
+cap "RBL0" "GND_1" 61.6797
+cap "GND_0" "inv2_q" 65.7033
+cap "VDD" "inv2_q" 116.878
+cap "GND_1" "a_672_120#" 7.22417
+cap "RWL0" "a_672_319#" 2.3207
+cap "RBL1" "RWL1" 26.7591
+cap "WBLb" "inv1_q" 56.8646
+cap "WWL" "WBLb" 8.81492
+cap "RBL1" "inv2_q" 4.72409
+cap "RWL0" "RWL1" 29.2937
+cap "RWL0" "inv2_q" 1.56669
+cap "a_672_319#" "GND_1" 6.47498
+cap "RWL1" "GND_1" 44.0225
+cap "w_420_92#" "WBL" 1.22486
+cap "GND_1" "inv2_q" 42.1495
+cap "WWL" "GND_0" 11.9395
+cap "GND_0" "inv1_q" 96.0803
+cap "VDD" "WWL" 1.45842
+cap "VDD" "inv1_q" 61.373
+cap "WBL" "WBLb" 1.60435
+cap "RBL1" "inv1_q" 0.291813
+cap "RBL0" "a_672_319#" 6.47498
+cap "RWL0" "inv1_q" 14.0317
+cap "WWL" "RWL0" 12.2666
+cap "RBL0" "RWL1" 0.179849
+cap "RBL0" "inv2_q" 0.45908
+device msubckt sky130_fd_pr__nfet_01v8 672 90 673 91 l=30 w=126 "VSUBS" "RWL1" 60 0 "RBL1" 126 10836,424 "a_672_120#" 126 4473,197
+device msubckt sky130_fd_pr__nfet_01v8 224 90 225 91 l=30 w=98 "VSUBS" "WWL" 60 0 "WBLb" 98 8820,376 "inv1_q" 98 3479,169
+device msubckt sky130_fd_pr__nfet_01v8 672 191 673 192 l=30 w=126 "VSUBS" "inv2_q" 60 0 "a_672_120#" 126 4473,197 "GND_1" 126 4284,194
+device msubckt sky130_fd_pr__pfet_01v8 462 191 463 192 l=30 w=84 "w_420_92#" "inv2_q" 60 0 "inv1_q" 84 4956,286 "VDD" 84 2856,152
+device msubckt sky130_fd_pr__nfet_01v8 224 191 225 192 l=30 w=98 "VSUBS" "inv2_q" 60 0 "inv1_q" 98 3479,169 "GND_0" 98 3332,166
+device msubckt sky130_fd_pr__nfet_01v8 672 289 673 290 l=30 w=126 "VSUBS" "inv1_q" 60 0 "GND_1" 126 4284,194 "a_672_319#" 126 3969,189
+device msubckt sky130_fd_pr__pfet_01v8 462 289 463 290 l=30 w=84 "w_420_92#" "inv1_q" 60 0 "VDD" 84 2856,152 "inv2_q" 84 5460,298
+device msubckt sky130_fd_pr__nfet_01v8 224 289 225 290 l=30 w=98 "VSUBS" "inv1_q" 60 0 "GND_0" 98 3332,166 "inv2_q" 98 3087,161
+device msubckt sky130_fd_pr__nfet_01v8 672 382 673 383 l=30 w=126 "VSUBS" "RWL0" 60 0 "a_672_319#" 126 3969,189 "RBL0" 126 8064,380
+device msubckt sky130_fd_pr__nfet_01v8 224 382 225 383 l=30 w=98 "VSUBS" "WWL" 60 0 "inv2_q" 98 3087,161 "WBL" 98 6664,332

custom/wtf/toysram_bit.sim

@@ -0,0 +1,11 @@
+| units: 500000 tech: sky130A format: MIT
+x inv1_q VDD inv2_q w_420_92# s=2856,152 d=5460,298 l=30 w=84 x=462 y=289 sky130_fd_pr__pfet_01v8
+x inv1_q GND_0 inv2_q VSUBS s=3332,166 d=3087,161 l=30 w=98 x=224 y=289 sky130_fd_pr__nfet_01v8
+x RWL1 RBL1 a_672_120# VSUBS s=10836,424 d=4473,197 l=30 w=126 x=672 y=90 sky130_fd_pr__nfet_01v8
+x WWL WBLb inv1_q VSUBS s=8820,376 d=3479,169 l=30 w=98 x=224 y=90 sky130_fd_pr__nfet_01v8
+x inv2_q inv1_q VDD w_420_92# s=4956,286 d=2856,152 l=30 w=84 x=462 y=191 sky130_fd_pr__pfet_01v8
+x inv1_q GND_1 a_672_319# VSUBS s=4284,194 d=3969,189 l=30 w=126 x=672 y=289 sky130_fd_pr__nfet_01v8
+x inv2_q inv1_q GND_0 VSUBS s=3479,169 d=3332,166 l=30 w=98 x=224 y=191 sky130_fd_pr__nfet_01v8
+x WWL inv2_q WBL VSUBS s=3087,161 d=6664,332 l=30 w=98 x=224 y=382 sky130_fd_pr__nfet_01v8
+x inv2_q a_672_120# GND_1 VSUBS s=4473,197 d=4284,194 l=30 w=126 x=672 y=191 sky130_fd_pr__nfet_01v8
+x RWL0 a_672_319# RBL0 VSUBS s=3969,189 d=8064,380 l=30 w=126 x=672 y=382 sky130_fd_pr__nfet_01v8

custom/wtf/toysram_bit.spice

@@ -0,0 +1,14 @@
+* NGSPICE file created from toysram_bit.ext - technology: sky130A
+
+.subckt toysram_bit WBL inv2_q GND_0 VDD GND_1 inv1_q WWL WBLb RBL0 RBL1 RWL0 RWL1
+X0 inv2_q inv1_q VDD w_420_92# sky130_fd_pr__pfet_01v8 ad=0.137 pd=1.49 as=0.0714 ps=0.76 w=0.42 l=0.15
+X1 inv2_q inv1_q GND_0 VSUBS sky130_fd_pr__nfet_01v8 ad=0.0772 pd=0.805 as=0.0833 ps=0.83 w=0.49 l=0.15
+X2 a_672_120# RWL1 RBL1 VSUBS sky130_fd_pr__nfet_01v8 ad=0.112 pd=0.985 as=0.271 ps=2.12 w=0.63 l=0.15
+X3 inv1_q WWL WBLb VSUBS sky130_fd_pr__nfet_01v8 ad=0.087 pd=0.845 as=0.221 ps=1.88 w=0.49 l=0.15
+X4 VDD inv2_q inv1_q w_420_92# sky130_fd_pr__pfet_01v8 ad=0.0714 pd=0.76 as=0.124 ps=1.43 w=0.42 l=0.15
+X5 a_672_319# inv1_q GND_1 VSUBS sky130_fd_pr__nfet_01v8 ad=0.0992 pd=0.945 as=0.107 ps=0.97 w=0.63 l=0.15
+X6 GND_0 inv2_q inv1_q VSUBS sky130_fd_pr__nfet_01v8 ad=0.0833 pd=0.83 as=0.087 ps=0.845 w=0.49 l=0.15
+X7 WBL WWL inv2_q VSUBS sky130_fd_pr__nfet_01v8 ad=0.167 pd=1.66 as=0.0772 ps=0.805 w=0.49 l=0.15
+X8 GND_1 inv2_q a_672_120# VSUBS sky130_fd_pr__nfet_01v8 ad=0.107 pd=0.97 as=0.112 ps=0.985 w=0.63 l=0.15
+X9 RBL0 RWL0 a_672_319# VSUBS sky130_fd_pr__nfet_01v8 ad=0.202 pd=1.9 as=0.0992 ps=0.945 w=0.63 l=0.15
+.ends