diff --git a/crates/applications/stacked_cores/src/main.rs b/crates/applications/stacked_cores/src/main.rs
index 73d9b68..7951120 100644
--- a/crates/applications/stacked_cores/src/main.rs
+++ b/crates/applications/stacked_cores/src/main.rs
@@ -270,13 +270,13 @@ fn drive_map_3stack() -> [[ClockState; 3]; 6] {
 }
 
 #[allow(unused)]
-fn drive_map_3stack_and_rev() -> [[ClockState; 3]; 6] {
+fn drive_map_3stack_and_rev_with_init_amp(amp: f32) -> [[ClockState; 3]; 6] {
     use ClockState as C;
     [
         // charge S1 to '1', S0/S2 to '0'
-        [C::hold_low(),    C::hold_high(),   C::hold_low()   ],
+        [C::hold_low(),    C::hold(amp),     C::hold_low()   ],
         // let the cores settle
-        [C::release_low(), C::release_high(),C::release_low()],
+        [C::release_low(), C::release(amp),  C::release_low()],
         // write S1 -> S0/S2. S0/S2 should be copied to 1
         [C::float(),       C::hold_low(),    C::float()      ],
 
@@ -288,6 +288,10 @@ fn drive_map_3stack_and_rev() -> [[ClockState; 3]; 6] {
         [C::release_low(), C::float(),       C::release_low()],
     ]
 }
+#[allow(unused)]
+fn drive_map_3stack_and_rev() -> [[ClockState; 3]; 6] {
+    drive_map_3stack_and_rev_with_init_amp(1.0)
+}
 
 #[allow(unused)]
 fn drive_map_3stack_one_sided() -> [[ClockState; 3]; 6] {
@@ -852,7 +856,7 @@ fn main() {
             p9xx.with_coupling_loops(4),
         );
     }
-    if true {
+    if false {
         let p10xx = params
             .with_clock_phase_duration(ps(1000))
             .with_clock_decay(ps(50))
@@ -910,6 +914,215 @@ fn main() {
             p10xx.with_coupling_loops(16),
         );
     }
+    if false {
+        let p11xx = params
+            .with_clock_phase_duration(ps(1000))
+            .with_clock_decay(ps(50))
+            .with_input_magnitude(8e10)
+            .with_ctl_conductivity(5e2)
+            .with_coupling_conductivity(5e3)
+            .with_s_major(um(400))
+            .with_coupling_loops(10)
+            .with_coupling(1, 0, 0, 3)
+            .with_coupling(1, 2, 1, 3)
+            .with_coupling(0, 2, 2, 3)
+        ;
+        run_sim(
+            "11-n005-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(-0.05),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-n010-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(-0.10),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-n015-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(-0.15),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-n020-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(-0.20),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-n050-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(-0.50),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-n030-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(-0.30),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-n100-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(-1.00),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-n040-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(-0.40),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-n060-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(-0.60),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-n080-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(-0.80),
+            p11xx.clone(),
+        );
+
+        run_sim(
+            "11-010-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(0.10),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-001-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(0.01),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-002-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(0.02),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-005-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(0.05),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-020-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(0.20),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-050-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(0.50),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-100-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(1.00),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-030-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(0.30),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-040-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(0.40),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-060-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(0.60),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-070-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(0.70),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-080-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(0.80),
+            p11xx.clone(),
+        );
+        run_sim(
+            "11-090-percent-drive-strength",
+            drive_map_3stack_and_rev_with_init_amp(0.90),
+            p11xx.clone(),
+        );
+    }
+    if true {
+        let p12xx = params
+            .with_clock_phase_duration(ps(1000))
+            .with_clock_decay(ps(50))
+            .with_input_magnitude(8e10)
+            .with_ctl_conductivity(5e2)
+            .with_coupling_conductivity(5e3)
+            .with_s_major(um(400))
+            .with_coupling_loops(10)
+            .with_coupling(1, 0, 0, 3)
+            .with_coupling(1, 2, 1, 3)
+            .with_coupling(0, 2, 2, 3)
+        ;
+        run_sim(
+            "12-1e11-drive",
+            drive_map_3stack(),
+            p12xx.with_input_magnitude(1e11),
+        );
+        run_sim(
+            "12-2e11-drive",
+            drive_map_3stack(),
+            p12xx.with_input_magnitude(2e11),
+        );
+        run_sim(
+            "12-8e10-drive",
+            drive_map_3stack(),
+            p12xx.with_input_magnitude(8e10),
+        );
+        run_sim(
+            "12-7e10-drive",
+            drive_map_3stack(),
+            p12xx.with_input_magnitude(7e10),
+        );
+        run_sim(
+            "12-5e10-drive",
+            drive_map_3stack(),
+            p12xx.with_input_magnitude(5e10),
+        );
+        run_sim(
+            "12-4e10-drive",
+            drive_map_3stack(),
+            p12xx.with_input_magnitude(4e10),
+        );
+        run_sim(
+            "12-3e10-drive",
+            drive_map_3stack(),
+            p12xx.with_input_magnitude(3e10),
+        );
+        run_sim(
+            "12-2e10-drive",
+            drive_map_3stack(),
+            p12xx.with_input_magnitude(2e10),
+        );
+        run_sim(
+            "12-1e10-drive",
+            drive_map_3stack(),
+            p12xx.with_input_magnitude(1e10),
+        );
+        run_sim(
+            "12-5e9-drive",
+            drive_map_3stack(),
+            p12xx.with_input_magnitude(5e9),
+        );
+        run_sim(
+            "12-2e9-drive",
+            drive_map_3stack(),
+            p12xx.with_input_magnitude(2e9),
+        );
+        run_sim(
+            "12-1e9-drive",
+            drive_map_3stack(),
+            p12xx.with_input_magnitude(1e9),
+        );
+        run_sim(
+            "12-5e11-drive",
+            drive_map_3stack(),
+            p12xx.with_input_magnitude(5e11),
+        );
+    }
 }
 
 
diff --git a/crates/post/scripts/stacked_cores_12xx.py b/crates/post/scripts/stacked_cores_12xx.py
new file mode 100755
index 0000000..219e746
--- /dev/null
+++ b/crates/post/scripts/stacked_cores_12xx.py
@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+"""
+invoke with the path to a meas.csv file for the stacked_core 12-xx demos
+to extract higher-level info from them.
+"""
+import sys
+
+from stacked_cores import load_csv, labeled_rows, last_row_before_t, extract_m
+
+def extract_12xx(path: str):
+    header, raw_rows = load_csv(path)
+    rows = labeled_rows(header, raw_rows)
+
+    tx_start = last_row_before_t(rows, 2e-9)
+    tx_end = last_row_before_t(rows, 3e-9)
+    noop_start = last_row_before_t(rows, 5e-9)
+    noop_end = last_row_before_t(rows, 6e-9)
+
+    m_tx_start = extract_m(tx_start)
+    m_tx_end = extract_m(tx_end)
+    m_noop_start = extract_m(noop_start)
+    m_noop_end = extract_m(noop_end)
+
+    m1_tx = abs(m_tx_end[1] - m_tx_start[1])
+    m1_noop = abs(m_noop_end[1] - m_noop_start[1])
+
+    m_tx_arr = [round(abs(m_tx_end[i] - m_tx_start[i])) for i in [0, 2]]
+    m_tx = sum(m_tx_arr)
+    m_noop_arr = [round(abs(m_noop_end[i] - m_noop_start[i])) for i in [0, 2]]
+    m_noop = sum(m_noop_arr)
+
+    ratio_tx_noop = m_tx / m_noop
+    ratio_tx_m1 = m_tx / m1_tx
+    ratio_tx_noop_m1 = (m_tx - m_noop) / m1_tx
+
+    print(f'm1 tx: {m1_tx}  ({m_tx_start[1]} -> {m_tx_end[1]})')
+    print(f'm1 noop: {m1_noop}  ({m_noop_start[1]} -> {m_noop_end[1]})')
+    print('')
+    print(f'm(tx):   {m_tx_start}')
+    print(f'      -> {m_tx_end}')
+    print('')
+    print(f'm(noop): {m_noop_start}')
+    print(f'      -> {m_noop_end}')
+    print('')
+    print(f'tx/noop: {ratio_tx_noop:.3}')
+    print(f'tx/m1: {ratio_tx_m1:.3}')
+    print(f'(tx-noop)/m1: {ratio_tx_noop_m1:.3}')
+
+if __name__ == '__main__':
+    extract_12xx(sys.argv[1])
diff --git a/crates/post/scripts/stacked_cores_9xx.py b/crates/post/scripts/stacked_cores_9xx.py
index f913e63..4ef835f 100755
--- a/crates/post/scripts/stacked_cores_9xx.py
+++ b/crates/post/scripts/stacked_cores_9xx.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 """
-invoke with the path to a meas.csv file for the stacked_core 8xx demos
+invoke with the path to a meas.csv file for the stacked_core 9xx demos
 to extract higher-level info from them.
 """
 import sys