diff --git a/source/redbook/T.MACROS b/source/redbook/T.MACROS
new file mode 100644
index 0000000..2ff3263
--- /dev/null
+++ b/source/redbook/T.MACROS
@@ -0,0 +1,6 @@
+    10   * Macros used by intbasic.asm
+    20   INCW     MAC
+    30            INC ]1
+    40            BNE INCW_END
+    50            INC ]1+1
+    60   INCW_END EOM
diff --git a/source/redbook/T.PART1 b/source/redbook/T.PART1
new file mode 100644
index 0000000..7ee7c9b
--- /dev/null
+++ b/source/redbook/T.PART1
@@ -0,0 +1 @@
+    10   * Empty file to keep intbasic assembly happy.