diff --git a/transform-RCC.yaml b/transform-RCC.yaml
new file mode 100644
index 0000000..3634650
--- /dev/null
+++ b/transform-RCC.yaml
@@ -0,0 +1,48 @@
+transforms:
+  - MergeEnums:
+      from: CCMR\d_Input_CC\dS
+      to: CCMR_Input_CCS
+      check: Layout
+
+  # Remove digits from enum names
+  - MergeEnums:
+      from: ([^\d]*)[\d]*([^\d]*)[\d]*([^\d]*)[\d]*
+      to: $1$2$3
+      skip_unmergeable: true
+
+  - MakeFieldArray:
+      fieldsets: .*
+      from: ([A-Z]+)\d+
+      to: $1
+      allow_cursed: true
+  - MakeFieldArray:
+      fieldsets: .*
+      from: P\d+WP
+      to: PWP 
+#  - MakeRegisterArray:
+#      blocks: .*
+#      from: ([A-Z]+)\d+
+#      to: $1
+  - MakeRegisterArray:
+      blocks: .*
+      from: EXTICR\d+
+      to: EXTICR 
+  - MergeEnums:
+      from: '[HL](IFCR|ISR)_(.*)'
+      to: $2
+  - MergeFieldsets:
+      from: '[HL](IFCR|ISR)'
+      to: $1
+  - MergeFieldsets:
+      from: EXTICR\d 
+      to: EXTICR 
+  - MakeRegisterArray:
+      blocks: .*
+      from: '[HL](IFCR|ISR)'
+      to: $1
+  - DeleteEnums:
+      from: '.*EN'
+      bit_size: 1
+  - DeleteEnums:
+      from: '.*RST'
+      bit_size: 1