diff --git a/.github/workflows/build_master.yml b/.github/workflows/build_master.yml
new file mode 100644
index 0000000..4259f7e
--- /dev/null
+++ b/.github/workflows/build_master.yml
@@ -0,0 +1,39 @@
+name: Build
+on:
+  # Trigger the workflow on push or pull request,
+  # but only for the master branch
+  push:
+    branches:
+      - develop
+jobs:
+  build:
+    name: Patch building
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Build the patch
+        run: "docker run --rm -u root -v ${PWD}:/home/m2gba/src lorenzooone/m2gba_translation:patch_builder"
+      - name: Archive resulting patch
+        uses: actions/upload-artifact@v3
+        with:
+          name: m12-patch
+          path: out/m12.ips
+
+  publish:
+    name: Patch publishing
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Download a single artifact
+        uses: actions/download-artifact@v3
+        with:
+          name: m12-patch
+      - name: Auto-Release the patch
+        uses: "marvinpinto/action-automatic-releases@latest"
+        with:
+          repo_token: "${{ secrets.GITHUB_TOKEN }}"
+          automatic_release_tag: "nightly-latest"
+          prerelease: true
+          title: "Automatic Build"
+          files: |
+            m12.ips
diff --git a/.github/workflows/build_pr.yml b/.github/workflows/build_pr.yml
new file mode 100644
index 0000000..5e7fe52
--- /dev/null
+++ b/.github/workflows/build_pr.yml
@@ -0,0 +1,19 @@
+name: Build PR
+on:
+  pull_request:
+    branches: develop
+
+jobs:
+  build:
+    name: Patch building
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Build the patch
+        run: "docker run --rm -u root -v ${PWD}:/home/m2gba/src lorenzooone/m2gba_translation:patch_builder"
+      - name: Archive resulting patch
+        uses: actions/upload-artifact@v3
+        with:
+          name: m12-patch
+          path: out/m12.ips
+
diff --git a/.github/workflows/test_master.yml b/.github/workflows/test_master.yml
new file mode 100644
index 0000000..a149c32
--- /dev/null
+++ b/.github/workflows/test_master.yml
@@ -0,0 +1,37 @@
+name: Test
+on:
+  # Trigger the workflow on push or pull request,
+  # but only for the master branch
+  push:
+    branches:
+      - develop
+jobs:
+  test:
+    name: Testing
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Unpack the required data for the tests
+        run: |
+          gpg --quiet --batch --yes --decrypt --passphrase="$TESTING_PASSPHRASE" --output bin/testing_required_data.zip bin/testing_required_data.zip.gpg
+          sudo apt install unzip
+          unzip -q bin/testing_required_data.zip -d bin
+        env:
+          TESTING_PASSPHRASE: ${{ secrets.TESTING_PASSPHRASE }}
+      - name: Test the code
+        run: "docker run --rm -u root -v ${PWD}:/home/m2gba/src lorenzooone/m2gba_translation:tester"
+      - name: Archive test results
+        if: always()
+        uses: actions/upload-artifact@v3
+        with:
+          name: test-report
+          path: out/test.log
+      - name: Create Issue for Test failure
+        if: failure()
+        uses: peter-evans/create-issue-from-file@v4
+        with:
+          title: Test failure
+          content-filepath: out/test.log
+          labels: |
+            report
+            automated issue
diff --git a/.github/workflows/test_pr.yml b/.github/workflows/test_pr.yml
new file mode 100644
index 0000000..e881ae4
--- /dev/null
+++ b/.github/workflows/test_pr.yml
@@ -0,0 +1,26 @@
+name: Test PR
+on:
+  pull_request:
+    branches: develop
+
+jobs:
+  test:
+    name: Testing
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Unpack the required data for the tests
+        run: |
+          gpg --quiet --batch --yes --decrypt --passphrase="$TESTING_PASSPHRASE" --output bin/testing_required_data.zip bin/testing_required_data.zip.gpg
+          sudo apt install unzip
+          unzip -q bin/testing_required_data.zip -d bin
+        env:
+          TESTING_PASSPHRASE: ${{ secrets.TESTING_PASSPHRASE }}
+      - name: Test the code
+        run: "docker run --rm -u root -v ${PWD}:/home/m2gba/src lorenzooone/m2gba_translation:tester"
+      - name: Archive test results
+        if: always()
+        uses: actions/upload-artifact@v3
+        with:
+          name: test-report
+          path: out/test.log
diff --git a/.gitignore b/.gitignore
index 7abbcd8..6ad7fd8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,7 @@ working/*.asm
 working/*.bin
 working/m12-labels.txt
 armips.exe
+testing_required_data.zip.gpg
 *.sym
 m2-compiled.asm
 
diff --git a/README.md b/README.md
index 29e9d0e..721bd3d 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 | Branch | Status |
 | --- | --- |
-| Project | [![Build status](https://ci.appveyor.com/api/projects/status/9ml81r7fn0k7i8g1?svg=true)](https://ci.appveyor.com/project/jeffman/mother2gbatranslation) |
-| `master` | [![Build status](https://ci.appveyor.com/api/projects/status/9ml81r7fn0k7i8g1/branch/master?svg=true)](https://ci.appveyor.com/project/jeffman/mother2gbatranslation/branch/master) |
+| `master` | [![Build](https://github.com/Lorenzooone/Mother2GbaTranslation/actions/workflows/build_master.yml/badge.svg)](https://github.com/Lorenzooone/Mother2GbaTranslation/actions/workflows/build_master.yml) |
+| `master` | [![Test](https://github.com/Lorenzooone/Mother2GbaTranslation/actions/workflows/test_master.yml/badge.svg)](https://github.com/Lorenzooone/Mother2GbaTranslation/actions/workflows/test_master.yml) |
 
 # MOTHER 2 Translation for the GBA
 This is a work-in-progress translation patch for MOTHER 2 on the GBA.
diff --git a/bin/testing_required_data.zip.gpg b/bin/testing_required_data.zip.gpg
new file mode 100644
index 0000000..2db9c86
Binary files /dev/null and b/bin/testing_required_data.zip.gpg differ
diff --git a/docker-scripts/build-dockers/Dockerfile b/docker-scripts/build-dockers/Dockerfile
index 5f07c61..b3b70c4 100644
--- a/docker-scripts/build-dockers/Dockerfile
+++ b/docker-scripts/build-dockers/Dockerfile
@@ -30,6 +30,10 @@ WORKDIR /opt/src
 USER m2gba
 CMD /home/m2gba/src/docker-scripts/docker-build-rom-script
 
+#--------------------- Building patch ------------------------
+FROM builder AS patch_builder
+CMD /home/m2gba/src/docker-scripts/docker-build-patch-script
+
 #---------------------- Building mgba ------------------------
 FROM builder AS mgba_builder
 USER root
diff --git a/docker-scripts/build-dockers/build-patch-builder.sh b/docker-scripts/build-dockers/build-patch-builder.sh
new file mode 100755
index 0000000..0d3dd67
--- /dev/null
+++ b/docker-scripts/build-dockers/build-patch-builder.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+docker image rm lorenzooone/m2gba_translation:patch_builder
+docker build --target patch_builder . -t lorenzooone/m2gba_translation:patch_builder
diff --git a/docker-scripts/docker-build-patch-script b/docker-scripts/docker-build-patch-script
new file mode 100755
index 0000000..469d655
--- /dev/null
+++ b/docker-scripts/docker-build-patch-script
@@ -0,0 +1,18 @@
+#!/bin/pwsh
+
+$Env:PATH += ":/home/m2gba/.dotnet:/home/m2gba/.dotnet/tools"
+Copy-Item -Path "\home\m2gba\src\*" -Destination "\opt\src" -Recurse -Force
+
+"Starting to build tools"
+./build-tools.ps1
+if ($LASTEXITCODE -ne 0) { exit -1 }
+
+"Starting to build rom"
+./build-appveyor.ps1
+if ($LASTEXITCODE -ne 0) { exit -1 }
+
+"Copying patch to output"
+New-Item -Path "\home\m2gba\src" -Name "out" -ItemType "directory" -Force
+Copy-Item -Path ".\bin\m12.ips" "\home\m2gba\src\out"
+
+"Build successful, please review the folder ./out/m12.ips for the resulting patch"
diff --git a/docker-scripts/docker-build-rom-script b/docker-scripts/docker-build-rom-script
index 862688f..12b196e 100755
--- a/docker-scripts/docker-build-rom-script
+++ b/docker-scripts/docker-build-rom-script
@@ -5,9 +5,11 @@ Copy-Item -Path "\home\m2gba\src\*" -Destination "\opt\src" -Recurse -Force
 
 "Starting to build tools"
 ./build-tools.ps1
+if ($LASTEXITCODE -ne 0) { exit -1 }
 
 "Starting to build rom"
 ./build.ps1
+if ($LASTEXITCODE -ne 0) { exit -1 }
 
 "Copying rom to output"
 New-Item -Path "\home\m2gba\src" -Name "out" -ItemType "directory" -Force
diff --git a/docker-scripts/docker-test-rom-script b/docker-scripts/docker-test-rom-script
index 6a77c8f..d4435e5 100755
--- a/docker-scripts/docker-test-rom-script
+++ b/docker-scripts/docker-test-rom-script
@@ -10,13 +10,17 @@ Copy-Item -Path "\home\m2gba\src\*" -Destination "\opt\src" -Recurse -Force
 
 "Starting to build tools"
 ./build-tools.ps1
+if ($LASTEXITCODE -ne 0) { exit -1 }
 
 "Starting to build test rom"
 ./test.ps1
+$LAST_VAL = $LASTEXITCODE
 
 "Copying test log to output"
 New-Item -Path "\home\m2gba\src" -Name "out" -ItemType "directory" -Force
 Copy-Item -Path ".\bin\test.log" "\home\m2gba\src\out"
 Copy-Item -Path ".\bin\m12test.gba" "\home\m2gba\src\out"
 
+if ($LAST_VAL -ne 0) { exit -1 }
+
 "Test ran successfully, please review the ./out folder for the resulting logs and test rom"
diff --git a/src/c/custom_codes.c b/src/c/custom_codes.c
index 49b9c2a..aa31677 100644
--- a/src/c/custom_codes.c
+++ b/src/c/custom_codes.c
@@ -231,4 +231,4 @@ int custom_codes_parse_generic(int code, char* parserAddress, WINDOW* window, by
     }
     
     return addedSize;
-}
\ No newline at end of file
+}