From 00858862e523e8598dcd7117e36ca8bf25db93c2 Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Mon, 7 Nov 2022 03:33:45 +0100
Subject: [PATCH 01/24] Update python-version from 3.7.7 to 3.10

---
 .github/workflows/docs.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 9343595a..2f0184ee 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -18,7 +18,7 @@ jobs:
     - name: setup python
       uses: actions/setup-python@v4
       with:
-        python-version: '3.7.7'
+        python-version: '3.10'
     - run: pip install requests PyYAML
 
     # fetch the Verilog from Wokwi API

From bad6ee720eb1734e154214c633029df824d616ab Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Mon, 7 Nov 2022 03:34:15 +0100
Subject: [PATCH 02/24] Update python-version from 3.7.7 to 3.10

---
 .github/workflows/gds.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/gds.yaml b/.github/workflows/gds.yaml
index c7f26d5e..ccbbc7d7 100644
--- a/.github/workflows/gds.yaml
+++ b/.github/workflows/gds.yaml
@@ -33,7 +33,7 @@ jobs:
     - name: setup python
       uses: actions/setup-python@v4
       with:
-        python-version: '3.7.7'
+        python-version: '3.10'
     - run: pip install requests PyYAML
 
     # fetch the Verilog from Wokwi API

From a4882b9f4f80b156f96b1fd9ac472990d28fab80 Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Mon, 7 Nov 2022 03:35:06 +0100
Subject: [PATCH 03/24] Update wokwi ID to test github actions

---
 info.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/info.yaml b/info.yaml
index 5dafcf89..a1444a4e 100644
--- a/info.yaml
+++ b/info.yaml
@@ -1,7 +1,7 @@
 --- 
 # TinyTapeout project information
 project:
-  wokwi_id:    0        # If using wokwi, set this to your project's ID
+  wokwi_id:    347130909553590866        # If using wokwi, set this to your project's ID
 #  source_files:        # If using an HDL, set wokwi_id as 0 and uncomment and list your source files here. Source files must be in ./src
 #    - counter.v
 #    - decoder.v

From 15499b917f9c0da2c46644103d05e528c74752c8 Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Mon, 7 Nov 2022 03:37:46 +0100
Subject: [PATCH 04/24] update info.yaml to test actions

---
 info.yaml | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/info.yaml b/info.yaml
index a1444a4e..a75334db 100644
--- a/info.yaml
+++ b/info.yaml
@@ -14,17 +14,17 @@ project:
 #
 # This info will be automatically collected and used to make a datasheet for the chip.
 documentation: 
-  author:       ""      # Your name
-  discord:      ""      # Your discord handle
-  title:        ""      # Project title
-  description:  ""      # Short description of what your project does
-  how_it_works: ""      # Longer description of how the project works
-  how_to_test:  ""      # Instructions on how someone could test your project, include things like what buttons do what and how to set the clock if needed
-  external_hw:  ""      # Describe any external hardware needed
+  author:       "test"      # Your name
+  discord:      "test"      # Your discord handle
+  title:        "test"      # Project title
+  description:  "test"      # Short description of what your project does
+  how_it_works: "test"      # Longer description of how the project works
+  how_to_test:  "test"      # Instructions on how someone could test your project, include things like what buttons do what and how to set the clock if needed
+  external_hw:  "test"      # Describe any external hardware needed
   language:     "wokwi" # other examples include Verilog, Amaranth, VHDL, etc
-  doc_link:     ""      # URL to longer form documentation, eg the README.md in your repository
+  doc_link:     "test"      # URL to longer form documentation, eg the README.md in your repository
   clock_hz:     0       # Clock frequency in Hz (if required)
-  picture:      ""      # relative path to a picture in your repository
+  picture:      "test"      # relative path to a picture in your repository
   inputs:               # a description of what the inputs do
     - clock
     - reset

From 39d85423f81a1f9266b98a7648b27b3f113f14d8 Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Mon, 7 Nov 2022 03:43:57 +0100
Subject: [PATCH 05/24] Update info.yaml

---
 info.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/info.yaml b/info.yaml
index a75334db..1a095479 100644
--- a/info.yaml
+++ b/info.yaml
@@ -1,7 +1,7 @@
 --- 
 # TinyTapeout project information
 project:
-  wokwi_id:    347130909553590866        # If using wokwi, set this to your project's ID
+  wokwi_id:    347497504164545108        # If using wokwi, set this to your project's ID
 #  source_files:        # If using an HDL, set wokwi_id as 0 and uncomment and list your source files here. Source files must be in ./src
 #    - counter.v
 #    - decoder.v

From 2bb77638a87b9828a2362444888b308588e7f09b Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Mon, 7 Nov 2022 03:49:42 +0100
Subject: [PATCH 06/24] revert to clean info.yaml

---
 info.yaml | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/info.yaml b/info.yaml
index 1a095479..ec8eb22f 100644
--- a/info.yaml
+++ b/info.yaml
@@ -1,7 +1,7 @@
 --- 
 # TinyTapeout project information
 project:
-  wokwi_id:    347497504164545108        # If using wokwi, set this to your project's ID
+  wokwi_id:    0        # If using wokwi, set this to your project's ID
 #  source_files:        # If using an HDL, set wokwi_id as 0 and uncomment and list your source files here. Source files must be in ./src
 #    - counter.v
 #    - decoder.v
@@ -14,17 +14,17 @@ project:
 #
 # This info will be automatically collected and used to make a datasheet for the chip.
 documentation: 
-  author:       "test"      # Your name
-  discord:      "test"      # Your discord handle
-  title:        "test"      # Project title
-  description:  "test"      # Short description of what your project does
-  how_it_works: "test"      # Longer description of how the project works
-  how_to_test:  "test"      # Instructions on how someone could test your project, include things like what buttons do what and how to set the clock if needed
-  external_hw:  "test"      # Describe any external hardware needed
+  author:       ""      # Your name
+  discord:      ""      # Your discord handle
+  title:        ""      # Project title
+  description:  ""      # Short description of what your project does
+  how_it_works: ""      # Longer description of how the project works
+  how_to_test:  ""      # Instructions on how someone could test your project, include things like what buttons do what and how to set the clock if needed
+  external_hw:  ""      # Describe any external hardware needed
   language:     "wokwi" # other examples include Verilog, Amaranth, VHDL, etc
-  doc_link:     "test"      # URL to longer form documentation, eg the README.md in your repository
+  doc_link:     ""      # URL to longer form documentation, eg the README.md in your repository
   clock_hz:     0       # Clock frequency in Hz (if required)
-  picture:      "test"      # relative path to a picture in your repository
+  picture:      ""      # relative path to a picture in your repository
   inputs:               # a description of what the inputs do
     - clock
     - reset
@@ -43,4 +43,3 @@ documentation:
     - segment f
     - segment g
     - none
-

From f72e283b664c8d00c7efd22edd04626412999c87 Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Mon, 7 Nov 2022 03:51:30 +0100
Subject: [PATCH 07/24] revert info.yaml

---
 info.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/info.yaml b/info.yaml
index ec8eb22f..5dafcf89 100644
--- a/info.yaml
+++ b/info.yaml
@@ -43,3 +43,4 @@ documentation:
     - segment f
     - segment g
     - none
+

From 7ec740db9085249e41ac93e919ee8b56716aeffa Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Wed, 9 Nov 2022 11:13:03 +0100
Subject: [PATCH 08/24] update with test info and wokwi project id

---
 info.yaml | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/info.yaml b/info.yaml
index 5dafcf89..1a095479 100644
--- a/info.yaml
+++ b/info.yaml
@@ -1,7 +1,7 @@
 --- 
 # TinyTapeout project information
 project:
-  wokwi_id:    0        # If using wokwi, set this to your project's ID
+  wokwi_id:    347497504164545108        # If using wokwi, set this to your project's ID
 #  source_files:        # If using an HDL, set wokwi_id as 0 and uncomment and list your source files here. Source files must be in ./src
 #    - counter.v
 #    - decoder.v
@@ -14,17 +14,17 @@ project:
 #
 # This info will be automatically collected and used to make a datasheet for the chip.
 documentation: 
-  author:       ""      # Your name
-  discord:      ""      # Your discord handle
-  title:        ""      # Project title
-  description:  ""      # Short description of what your project does
-  how_it_works: ""      # Longer description of how the project works
-  how_to_test:  ""      # Instructions on how someone could test your project, include things like what buttons do what and how to set the clock if needed
-  external_hw:  ""      # Describe any external hardware needed
+  author:       "test"      # Your name
+  discord:      "test"      # Your discord handle
+  title:        "test"      # Project title
+  description:  "test"      # Short description of what your project does
+  how_it_works: "test"      # Longer description of how the project works
+  how_to_test:  "test"      # Instructions on how someone could test your project, include things like what buttons do what and how to set the clock if needed
+  external_hw:  "test"      # Describe any external hardware needed
   language:     "wokwi" # other examples include Verilog, Amaranth, VHDL, etc
-  doc_link:     ""      # URL to longer form documentation, eg the README.md in your repository
+  doc_link:     "test"      # URL to longer form documentation, eg the README.md in your repository
   clock_hz:     0       # Clock frequency in Hz (if required)
-  picture:      ""      # relative path to a picture in your repository
+  picture:      "test"      # relative path to a picture in your repository
   inputs:               # a description of what the inputs do
     - clock
     - reset

From b478b5e9c1cf020389b8f0d903d74cd1778c0eb4 Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Wed, 9 Nov 2022 11:14:47 +0100
Subject: [PATCH 09/24] Update config.tcl with clock settings

---
 src/config.tcl | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/config.tcl b/src/config.tcl
index ac38b93c..a3689716 100644
--- a/src/config.tcl
+++ b/src/config.tcl
@@ -44,9 +44,16 @@ set ::env(DECAP_CELL) "\
     sky130_fd_sc_hd__decap_8 \
     sky130_ef_sc_hd__decap_12"
 
+## clock
+#set ::env(CLOCK_TREE_SYNTH) 0
+#set ::env(CLOCK_PORT) ""
 # clock
-set ::env(CLOCK_TREE_SYNTH) 0
-set ::env(CLOCK_PORT) ""
+set ::env(CLOCK_PERIOD) "10000"
+set ::env(CLOCK_PORT) {io_in[0]}
+
+# hold/slack margin
+set ::env(PL_RESIZER_HOLD_SLACK_MARGIN) 0.8 
+set ::env(GLB_RESIZER_HOLD_SLACK_MARGIN) 0.8 
 
 # don't use power rings or met5
 set ::env(DESIGN_IS_CORE) 0

From 33b617e03135b2ae3741e238cdd646b33f553ed2 Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Wed, 9 Nov 2022 14:22:43 +0100
Subject: [PATCH 10/24] Update clock from 10kHz to 100kHz

---
 src/config.tcl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/config.tcl b/src/config.tcl
index a3689716..2245160a 100644
--- a/src/config.tcl
+++ b/src/config.tcl
@@ -48,7 +48,7 @@ set ::env(DECAP_CELL) "\
 #set ::env(CLOCK_TREE_SYNTH) 0
 #set ::env(CLOCK_PORT) ""
 # clock
-set ::env(CLOCK_PERIOD) "10000"
+set ::env(CLOCK_PERIOD) "100000"
 set ::env(CLOCK_PORT) {io_in[0]}
 
 # hold/slack margin

From 81a876641566cce436715c9ec834ef8018eaead7 Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Wed, 9 Nov 2022 14:30:35 +0100
Subject: [PATCH 11/24] set clk to 10 MHz to try getting it to fail

---
 src/config.tcl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/config.tcl b/src/config.tcl
index 2245160a..4f385025 100644
--- a/src/config.tcl
+++ b/src/config.tcl
@@ -48,7 +48,7 @@ set ::env(DECAP_CELL) "\
 #set ::env(CLOCK_TREE_SYNTH) 0
 #set ::env(CLOCK_PORT) ""
 # clock
-set ::env(CLOCK_PERIOD) "100000"
+set ::env(CLOCK_PERIOD) "10000000"
 set ::env(CLOCK_PORT) {io_in[0]}
 
 # hold/slack margin

From 1e79b6dbe15e5e1f2d0a2fb5417670e33a731574 Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Wed, 9 Nov 2022 15:26:57 +0100
Subject: [PATCH 12/24] update config.tcl to include clock_tree_synth = 1

---
 src/config.tcl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/config.tcl b/src/config.tcl
index 4f385025..641d5285 100644
--- a/src/config.tcl
+++ b/src/config.tcl
@@ -48,7 +48,8 @@ set ::env(DECAP_CELL) "\
 #set ::env(CLOCK_TREE_SYNTH) 0
 #set ::env(CLOCK_PORT) ""
 # clock
-set ::env(CLOCK_PERIOD) "10000000"
+set ::env(CLOCK_TREE_SYNTH) 1
+set ::env(CLOCK_PERIOD) "100000"
 set ::env(CLOCK_PORT) {io_in[0]}
 
 # hold/slack margin

From fb4db207ada49f11f2b075bc3cdefea7180c256a Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Wed, 9 Nov 2022 16:58:19 +0100
Subject: [PATCH 13/24] Update config.tcl

---
 src/config.tcl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/config.tcl b/src/config.tcl
index 641d5285..f8808bf3 100644
--- a/src/config.tcl
+++ b/src/config.tcl
@@ -51,6 +51,7 @@ set ::env(DECAP_CELL) "\
 set ::env(CLOCK_TREE_SYNTH) 1
 set ::env(CLOCK_PERIOD) "100000"
 set ::env(CLOCK_PORT) {io_in[0]}
+set ::env(SYNTH_MAX_FANOUT) 20
 
 # hold/slack margin
 set ::env(PL_RESIZER_HOLD_SLACK_MARGIN) 0.8 

From ac2e990a595994037521fe5b4a0f523f7402f0b4 Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Wed, 9 Nov 2022 17:08:24 +0100
Subject: [PATCH 14/24] Update info.yaml

---
 info.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/info.yaml b/info.yaml
index 1a095479..98e0c14b 100644
--- a/info.yaml
+++ b/info.yaml
@@ -1,7 +1,7 @@
 --- 
 # TinyTapeout project information
 project:
-  wokwi_id:    347497504164545108        # If using wokwi, set this to your project's ID
+  wokwi_id:    347417602591556180        # If using wokwi, set this to your project's ID
 #  source_files:        # If using an HDL, set wokwi_id as 0 and uncomment and list your source files here. Source files must be in ./src
 #    - counter.v
 #    - decoder.v

From ac6fde431f358affc5ae94fbf1c774387350d5df Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Wed, 9 Nov 2022 17:09:04 +0100
Subject: [PATCH 15/24] Update config.tcl

---
 src/config.tcl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/config.tcl b/src/config.tcl
index f8808bf3..723a2c67 100644
--- a/src/config.tcl
+++ b/src/config.tcl
@@ -51,7 +51,7 @@ set ::env(DECAP_CELL) "\
 set ::env(CLOCK_TREE_SYNTH) 1
 set ::env(CLOCK_PERIOD) "100000"
 set ::env(CLOCK_PORT) {io_in[0]}
-set ::env(SYNTH_MAX_FANOUT) 20
+#set ::env(SYNTH_MAX_FANOUT) 20
 
 # hold/slack margin
 set ::env(PL_RESIZER_HOLD_SLACK_MARGIN) 0.8 

From 4b7a0b829709da3a8617c62bce0340eb2255dac2 Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Wed, 9 Nov 2022 17:26:56 +0100
Subject: [PATCH 16/24] revert to original info.yaml

---
 info.yaml | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/info.yaml b/info.yaml
index 98e0c14b..5dafcf89 100644
--- a/info.yaml
+++ b/info.yaml
@@ -1,7 +1,7 @@
 --- 
 # TinyTapeout project information
 project:
-  wokwi_id:    347417602591556180        # If using wokwi, set this to your project's ID
+  wokwi_id:    0        # If using wokwi, set this to your project's ID
 #  source_files:        # If using an HDL, set wokwi_id as 0 and uncomment and list your source files here. Source files must be in ./src
 #    - counter.v
 #    - decoder.v
@@ -14,17 +14,17 @@ project:
 #
 # This info will be automatically collected and used to make a datasheet for the chip.
 documentation: 
-  author:       "test"      # Your name
-  discord:      "test"      # Your discord handle
-  title:        "test"      # Project title
-  description:  "test"      # Short description of what your project does
-  how_it_works: "test"      # Longer description of how the project works
-  how_to_test:  "test"      # Instructions on how someone could test your project, include things like what buttons do what and how to set the clock if needed
-  external_hw:  "test"      # Describe any external hardware needed
+  author:       ""      # Your name
+  discord:      ""      # Your discord handle
+  title:        ""      # Project title
+  description:  ""      # Short description of what your project does
+  how_it_works: ""      # Longer description of how the project works
+  how_to_test:  ""      # Instructions on how someone could test your project, include things like what buttons do what and how to set the clock if needed
+  external_hw:  ""      # Describe any external hardware needed
   language:     "wokwi" # other examples include Verilog, Amaranth, VHDL, etc
-  doc_link:     "test"      # URL to longer form documentation, eg the README.md in your repository
+  doc_link:     ""      # URL to longer form documentation, eg the README.md in your repository
   clock_hz:     0       # Clock frequency in Hz (if required)
-  picture:      "test"      # relative path to a picture in your repository
+  picture:      ""      # relative path to a picture in your repository
   inputs:               # a description of what the inputs do
     - clock
     - reset

From b3fd9bdfef1cc8c6e3365aa82f12cbf2e726f331 Mon Sep 17 00:00:00 2001
From: James Rosenthal <42195089+jdrosent@users.noreply.github.com>
Date: Wed, 9 Nov 2022 17:30:03 +0100
Subject: [PATCH 17/24] Update config.tcl with clock and hold margins

---
 src/config.tcl | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/config.tcl b/src/config.tcl
index 723a2c67..2b87d50a 100644
--- a/src/config.tcl
+++ b/src/config.tcl
@@ -44,14 +44,10 @@ set ::env(DECAP_CELL) "\
     sky130_fd_sc_hd__decap_8 \
     sky130_ef_sc_hd__decap_12"
 
-## clock
-#set ::env(CLOCK_TREE_SYNTH) 0
-#set ::env(CLOCK_PORT) ""
 # clock
 set ::env(CLOCK_TREE_SYNTH) 1
 set ::env(CLOCK_PERIOD) "100000"
 set ::env(CLOCK_PORT) {io_in[0]}
-#set ::env(SYNTH_MAX_FANOUT) 20
 
 # hold/slack margin
 set ::env(PL_RESIZER_HOLD_SLACK_MARGIN) 0.8 

From 6159a6faa228e7c26797a60dd899d08724e8d9a1 Mon Sep 17 00:00:00 2001
From: matt venn <matt@mattvenn.net>
Date: Thu, 10 Nov 2022 12:03:06 +0100
Subject: [PATCH 18/24] Update config.tcl

---
 src/config.tcl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/config.tcl b/src/config.tcl
index 2b87d50a..1560167e 100644
--- a/src/config.tcl
+++ b/src/config.tcl
@@ -50,8 +50,8 @@ set ::env(CLOCK_PERIOD) "100000"
 set ::env(CLOCK_PORT) {io_in[0]}
 
 # hold/slack margin
-set ::env(PL_RESIZER_HOLD_SLACK_MARGIN) 0.8 
-set ::env(GLB_RESIZER_HOLD_SLACK_MARGIN) 0.8 
+# set ::env(PL_RESIZER_HOLD_SLACK_MARGIN) 0.8 
+# set ::env(GLB_RESIZER_HOLD_SLACK_MARGIN) 0.8 
 
 # don't use power rings or met5
 set ::env(DESIGN_IS_CORE) 0

From 34c07748bff015f3603f906627795211714f49ed Mon Sep 17 00:00:00 2001
From: matt venn <matt@mattvenn.net>
Date: Mon, 14 Nov 2022 21:31:55 +0100
Subject: [PATCH 19/24] Update info.yaml

---
 info.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/info.yaml b/info.yaml
index 5dafcf89..53ef9af3 100644
--- a/info.yaml
+++ b/info.yaml
@@ -23,7 +23,7 @@ documentation:
   external_hw:  ""      # Describe any external hardware needed
   language:     "wokwi" # other examples include Verilog, Amaranth, VHDL, etc
   doc_link:     ""      # URL to longer form documentation, eg the README.md in your repository
-  clock_hz:     0       # Clock frequency in Hz (if required)
+  clock_hz:     0       # Clock frequency in Hz (if required) we are expecting max clock frequency to be ~6khz. Provided on input 0.
   picture:      ""      # relative path to a picture in your repository
   inputs:               # a description of what the inputs do
     - clock

From d2ffcd0c7947298564db141e4d92667b7fbe078b Mon Sep 17 00:00:00 2001
From: Matt Venn <matt@mattvenn.net>
Date: Wed, 16 Nov 2022 17:04:22 +0100
Subject: [PATCH 20/24] basic check for top module

---
 configure.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.py b/configure.py
index 49b9393e..d8e4d7f6 100755
--- a/configure.py
+++ b/configure.py
@@ -160,4 +160,5 @@ def get_stats():
         config = load_yaml(args.yaml)
         source_files = get_project_source(config)
         top_module = get_top_module(config)
+        assert top_module != 'top'
         write_user_config(top_module, source_files)

From ca83fe4c7e1f5577b89dd4e35d411febbdd28591 Mon Sep 17 00:00:00 2001
From: Uri Shaked <uri@urishaked.com>
Date: Wed, 16 Nov 2022 18:24:14 +0200
Subject: [PATCH 21/24] fix constants in dffsr_cell

iverilog complains about the current syntax:

```
src/cells.v:96: warning: Using SystemVerilog 'N bit vector.  Use at least -g2005-sv to remove this warning.
src/cells.v:98: warning: Using SystemVerilog 'N bit vector.  Use at least -g2005-sv to remove this warning.
```
---
 src/cells.v | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/cells.v b/src/cells.v
index aca1f5b4..772fb210 100644
--- a/src/cells.v
+++ b/src/cells.v
@@ -93,9 +93,9 @@ module dffsr_cell (
 
     always @(posedge clk or posedge s or posedge r) begin
         if (r)
-            q <= '0;
+            q <= 0;
         else if (s)
-            q <= '1;
+            q <= 1;
         else
             q <= d;
     end

From b77f8d91aaa8a1c69ee843d63de6b38b34d26677 Mon Sep 17 00:00:00 2001
From: Matt Venn <matt@mattvenn.net>
Date: Fri, 18 Nov 2022 12:34:23 +0100
Subject: [PATCH 22/24] make sure discord handle is complete

---
 configure.py | 7 +++++++
 info.yaml    | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/configure.py b/configure.py
index 2d07eb61..123d3cb5 100755
--- a/configure.py
+++ b/configure.py
@@ -93,6 +93,13 @@ def check_docs(yaml):
             logging.error("missing value for {} in documentation".format(key))
             exit(1)
 
+    # if provided, check discord handle is valid
+    if len(yaml['documentation']['discord']):
+        parts = yaml['documentation']['discord'].split('#')
+        if len(parts) != 2 or len(parts[0]) == 0 or not re.match('^[0-9]{4}$', parts[1]):
+            logging.error(f'Invalid format for discord username')
+            exit(1)
+
 
 def get_top_module(yaml):
     wokwi_id = int(yaml['project']['wokwi_id'])
diff --git a/info.yaml b/info.yaml
index 53ef9af3..482c1123 100644
--- a/info.yaml
+++ b/info.yaml
@@ -15,7 +15,7 @@ project:
 # This info will be automatically collected and used to make a datasheet for the chip.
 documentation: 
   author:       ""      # Your name
-  discord:      ""      # Your discord handle
+  discord:      ""      # Your discord handle - make sure to include the # part as well
   title:        ""      # Project title
   description:  ""      # Short description of what your project does
   how_it_works: ""      # Longer description of how the project works

From 9dcbca6e4e4068e403eaeccefd2cb39d69c5ce3d Mon Sep 17 00:00:00 2001
From: Matt Venn <matt@mattvenn.net>
Date: Tue, 22 Nov 2022 16:35:09 +0100
Subject: [PATCH 23/24] increase area and core utilisation. stop doing basic
 placement

---
 src/config.tcl | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/config.tcl b/src/config.tcl
index 1560167e..cc7ab717 100644
--- a/src/config.tcl
+++ b/src/config.tcl
@@ -29,9 +29,8 @@ set ::env(BOTTOM_MARGIN_MULT) 2
 
 # absolute die size
 set ::env(FP_SIZING) absolute
-set ::env(DIE_AREA) "0 0 90 120"
-set ::env(FP_CORE_UTIL) 45
-set ::env(PL_BASIC_PLACEMENT) {1}
+set ::env(DIE_AREA) "0 0 150 170"
+set ::env(FP_CORE_UTIL) 55
 
 set ::env(FP_IO_HLENGTH) 2
 set ::env(FP_IO_VLENGTH) 2

From fdaa6fa109c5384477789e0187a59e2833948233 Mon Sep 17 00:00:00 2001
From: Matt Venn <matt@mattvenn.net>
Date: Tue, 22 Nov 2022 16:48:48 +0100
Subject: [PATCH 24/24] add back basic placement

---
 src/config.tcl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/config.tcl b/src/config.tcl
index cc7ab717..5d6d3393 100644
--- a/src/config.tcl
+++ b/src/config.tcl
@@ -31,6 +31,7 @@ set ::env(BOTTOM_MARGIN_MULT) 2
 set ::env(FP_SIZING) absolute
 set ::env(DIE_AREA) "0 0 150 170"
 set ::env(FP_CORE_UTIL) 55
+set ::env(PL_BASIC_PLACEMENT) {1}
 
 set ::env(FP_IO_HLENGTH) 2
 set ::env(FP_IO_VLENGTH) 2