sawgen: first cut at layout. could be done. need to LVS / hand inspect a little.
diff --git a/mag/sawgen-fet-sky130.mag b/mag/sawgen-fet-sky130.mag
index afa6e5a..ee1c993 100644
--- a/mag/sawgen-fet-sky130.mag
+++ b/mag/sawgen-fet-sky130.mag
@@ -1,18 +1,128 @@
magic
tech sky130A
magscale 1 2
-timestamp 1623531770
+timestamp 1623535931
+<< error_s >>
+rect -626 2156 -620 2162
+rect -540 2156 -534 2162
+rect -2420 2150 -2414 2156
+rect -632 2150 -626 2156
+rect -534 2150 -528 2156
+rect -2426 2144 -2420 2150
+rect -2426 2070 -2420 2076
+rect -2420 2064 -2414 2070
+rect -632 2064 -626 2070
+rect -534 2064 -528 2070
+rect -626 2058 -620 2064
+rect -540 2058 -534 2064
+rect -1236 -90 -1220 -86
+rect -1208 -118 -1192 -114
<< nwell >>
rect 80 3240 130 3310
<< locali >>
rect -2360 3560 -1940 3640
rect -430 3560 110 3640
-rect -2410 3020 -2310 3160
-rect -2130 3030 -2040 3160
+rect -2410 -40 -2310 3160
+rect -2116 3156 -2040 3160
+rect -2130 -40 -2040 3156
rect -226 3042 -134 3158
rect 50 3050 130 3160
-rect -618 1492 -544 1994
+rect -620 1890 -540 2070
+rect -1170 1830 -1110 1850
+rect -618 1492 -544 1890
+rect -1170 1170 -1110 1180
rect -130 -180 50 -90
+<< viali >>
+rect -620 2070 -540 2150
+rect -1170 1850 -1110 1910
+rect -1170 1180 -1110 1240
+<< metal1 >>
+rect -430 3560 130 3661
+rect -417 3515 -343 3560
+rect -419 3509 -341 3515
+rect -419 3425 -341 3431
+rect -2130 3280 -1079 3302
+rect -2301 3200 -1079 3280
+rect -2301 3199 -2158 3200
+rect -2116 3199 -1079 3200
+rect -2410 2150 -2310 3160
+rect -2116 3156 -2040 3199
+rect -2330 2070 -2310 2150
+rect -2410 -40 -2310 2070
+rect -2130 -40 -2040 3156
+rect -1182 3059 -1079 3199
+rect -1855 2850 -1785 2856
+rect -1275 2850 -1205 3025
+rect -200 3020 -130 3160
+rect -1785 2780 -1205 2850
+rect -1030 2848 -130 3020
+rect -1855 2774 -1785 2780
+rect -1275 2615 -1205 2780
+rect -1036 2752 -130 2848
+rect -1030 2610 -130 2752
+rect -950 2600 -130 2610
+rect -1679 2279 -1601 2285
+rect -1679 2150 -1601 2201
+rect -1679 2090 -1110 2150
+rect -1679 270 -1601 2090
+rect -1170 1916 -1110 2090
+rect -632 2064 -626 2156
+rect -534 2064 -528 2156
+rect -1182 1910 -1098 1916
+rect -1182 1850 -1170 1910
+rect -1110 1850 -1098 1910
+rect -1182 1844 -1098 1850
+rect -1170 1246 -1110 1760
+rect -1182 1240 -1098 1246
+rect -1182 1180 -1170 1240
+rect -1110 1180 -1098 1240
+rect -1182 1174 -1098 1180
+rect -1180 430 -1100 1100
+rect -1210 350 -790 430
+rect -710 350 -704 430
+rect -1300 270 -1220 320
+rect -1680 190 -1220 270
+rect -1300 -90 -1220 190
+rect -1040 280 -960 320
+rect -1040 200 -360 280
+rect -1040 -80 -960 200
+rect -440 -90 -360 200
+rect -200 -50 -130 2600
+rect -90 430 -10 436
+rect 20 430 100 3160
+rect -10 350 100 430
+rect -90 344 -10 350
+rect 20 -40 100 350
+rect -440 -170 50 -90
+rect -1680 -340 -550 -220
+<< via1 >>
+rect -419 3431 -341 3509
+rect -2420 2070 -2330 2150
+rect -1855 2780 -1785 2850
+rect -1679 2201 -1601 2279
+rect -626 2150 -534 2156
+rect -626 2070 -620 2150
+rect -620 2070 -540 2150
+rect -540 2070 -534 2150
+rect -626 2064 -534 2070
+rect -790 350 -710 430
+rect -90 350 -10 430
+<< metal2 >>
+rect -1679 3431 -419 3509
+rect -341 3431 -335 3509
+rect -1861 2780 -1855 2850
+rect -1785 2780 -1779 2850
+rect -2420 2150 -2330 2156
+rect -1855 2150 -1785 2780
+rect -1679 2279 -1601 3431
+rect -1685 2201 -1679 2279
+rect -1601 2201 -1595 2279
+rect -2330 2070 -626 2150
+rect -2420 2064 -2330 2070
+rect -790 430 -710 436
+rect -710 350 -90 430
+rect -10 350 -4 430
+rect -790 344 -710 350
use sky130_fd_pr__pfet_g5v0d10v5_V4E25R sky130_fd_pr__pfet_g5v0d10v5_V4E25R_0
timestamp 1623527015
transform 1 0 -1122 0 1 2817
@@ -50,14 +160,8 @@
transform 1 0 -583 0 1 792
box -37 -1132 37 1132
<< labels >>
-flabel locali -2114 3114 -2114 3114 1 FreeSans 192 0 0 0 Ri
-port 3 n
-flabel locali -584 1956 -584 1956 1 FreeSans 192 0 0 0 Vb
-port 6 n
flabel locali 80 3600 80 3600 1 FreeSans 480 0 0 0 VSS
port 1 n
-flabel locali -2330 3600 -2330 3600 1 FreeSans 480 0 0 0 Rb
-port 2 n
flabel locali -2390 3130 -2390 3130 1 FreeSans 480 0 0 0 VDD
port 0 n
flabel locali 100 3100 100 3100 1 FreeSans 480 0 0 0 Vd
@@ -66,4 +170,10 @@
port 5 n
flabel locali -210 3100 -210 3100 1 FreeSans 480 0 0 0 Csaw
port 4 n
+flabel locali -2070 3120 -2070 3120 1 FreeSans 480 0 0 0 Ri
+port 3 n
+flabel locali -2330 3600 -2330 3600 1 FreeSans 480 0 0 0 Rb
+port 2 n
+flabel metal1 -1130 -320 -1130 -320 1 FreeSans 480 0 0 0 Vb
+port 6 n
<< end >>
diff --git a/mag/sawgen-fet-sky130.spice b/mag/sawgen-fet-sky130.spice
index 3902c90..f05b78a 100644
--- a/mag/sawgen-fet-sky130.spice
+++ b/mag/sawgen-fet-sky130.spice
@@ -3,16 +3,20 @@
.option scale=5000u
.subckt sawgen-fet-sky130 VDD VSS Rb Ri Csaw Vt Vb Vd
-X0 sky130_fd_pr__res_high_po_0p35_QHYJR3_0/a_n35_n1132# sky130_fd_pr__res_high_po_0p35_QHYJR3_0/a_n35_700# VSUBS sky130_fd_pr__res_high_po_0p35 l=1400
-X1 sky130_fd_pr__res_high_po_0p35_QHYJR3_1/a_n35_n1132# Vb VSUBS sky130_fd_pr__res_high_po_0p35 l=1400
+X0 Vb VSS VSUBS sky130_fd_pr__res_high_po_0p35 l=1400
+X1 Vb VDD VSUBS sky130_fd_pr__res_high_po_0p35 l=1400
X2 VSS Rb VSUBS sky130_fd_pr__res_high_po_0p35 l=1400
-X3 sky130_fd_pr__diode_pd2nw_05v5_BQJJ87_0/a_n45_n45# sky130_fd_pr__diode_pd2nw_05v5_BQJJ87_0/w_n183_n183# sky130_fd_pr__diode_pd2nw_05v5 area=8100
-X4 sky130_fd_pr__diode_pd2nw_05v5_BQJJ87_1/a_n45_n45# sky130_fd_pr__diode_pd2nw_05v5_BQJJ87_1/w_n183_n183# sky130_fd_pr__diode_pd2nw_05v5 area=8100
-X5 sky130_fd_pr__pfet_g5v0d10v5_V4E25R_0/a_80_n200# sky130_fd_pr__pfet_g5v0d10v5_V4E25R_0/a_n80_n297# sky130_fd_pr__pfet_g5v0d10v5_V4E25R_0/a_n138_n200# sky130_fd_pr__pfet_g5v0d10v5_V4E25R_0/w_n338_n497# sky130_fd_pr__pfet_g5v0d10v5 ad=23200 pd=916 as=23200 ps=916 w=400 l=160
-X6 Ri sky130_fd_pr__pfet_g5v0d10v5_TTPRW6_0/a_n80_n1697# VDD sky130_fd_pr__pfet_g5v0d10v5_TTPRW6_0/w_n338_n1897# sky130_fd_pr__pfet_g5v0d10v5 ad=185600 pd=6516 as=185600 ps=6516 w=3200 l=160
-X7 Vd Vt Csaw w_80_3240# sky130_fd_pr__pfet_g5v0d10v5 ad=185600 pd=6516 as=185600 ps=6516 w=3200 l=160
-X8 sky130_fd_pr__nfet_g5v0d10v5_UQEUHA_0/a_80_n200# sky130_fd_pr__nfet_g5v0d10v5_UQEUHA_0/a_n80_n288# sky130_fd_pr__nfet_g5v0d10v5_UQEUHA_0/a_n138_n200# VSUBS sky130_fd_pr__nfet_g5v0d10v5 ad=23200 pd=916 as=23200 ps=916 w=400 l=160
-C0 w_80_3240# VSUBS 7.70fF
-C1 sky130_fd_pr__pfet_g5v0d10v5_TTPRW6_0/w_n338_n1897# VSUBS 7.69fF
-C2 sky130_fd_pr__pfet_g5v0d10v5_V4E25R_0/w_n338_n497# VSUBS 2.06fF
+X3 li_n1170_1170# VSS sky130_fd_pr__diode_pd2nw_05v5 area=8100
+X4 Vd li_n1170_1170# sky130_fd_pr__diode_pd2nw_05v5 area=8100
+X5 Csaw Ri VDD sky130_fd_pr__pfet_g5v0d10v5_V4E25R_0/w_n338_n497# sky130_fd_pr__pfet_g5v0d10v5 ad=208800 pd=7432 as=208800 ps=7432 w=400 l=160
+X6 Ri Ri VDD sky130_fd_pr__pfet_g5v0d10v5_TTPRW6_0/w_n338_n1897# sky130_fd_pr__pfet_g5v0d10v5 ad=185600 pd=6516 as=0 ps=0 w=3200 l=160
+X7 Vd Vt Csaw w_80_3240# sky130_fd_pr__pfet_g5v0d10v5 ad=185600 pd=6516 as=0 ps=0 w=3200 l=160
+X8 Vt Vd VSS VSUBS sky130_fd_pr__nfet_g5v0d10v5 ad=23200 pd=916 as=23200 ps=916 w=400 l=160
+C0 Ri sky130_fd_pr__pfet_g5v0d10v5_TTPRW6_0/w_n338_n1897# 3.14fF
+C1 VDD sky130_fd_pr__pfet_g5v0d10v5_TTPRW6_0/w_n338_n1897# 3.37fF
+C2 Ri VSUBS 3.09fF
+C3 VDD VSUBS 2.14fF
+C4 w_80_3240# VSUBS 7.70fF
+C5 sky130_fd_pr__pfet_g5v0d10v5_TTPRW6_0/w_n338_n1897# VSUBS 7.69fF
+C6 sky130_fd_pr__pfet_g5v0d10v5_V4E25R_0/w_n338_n497# VSUBS 2.06fF
.ends
