1 files changed, 28 insertions, 0 deletions
diff --git a/sw/cal/table.go b/sw/cal/table.go
new file mode 100644
index 0000000..20d21d0
--- /dev/null
+++ b/sw/cal/table.go
@@ -0,0 +1,28 @@
+package main
+
+import (
+	"fmt"
+	"slices"
+)
+
+const tabRows = 32
+
+type Table struct {
+	keys []int32
+	vals []uint16
+}
+
+func (t *Table) Insert(key int32, val uint16) error {
+	if len(t.keys) >= tabRows {
+		return fmt.Errorf("too many rows")
+	}
+
+	i, ok := slices.BinarySearch(t.keys, key)
+	if ok {
+		return ErrDupKey{key}
+	}
+	t.keys = slices.Insert(t.keys, i, key)
+	t.vals = slices.Insert(t.vals, i, val)
+
+	return nil
+}