Add a NOTE on 19th-century pixel fonts

diff --git a/NOTES b/NOTES
index 3e61c120b1e3149bc0ea0de55042e13af524381a..d357fb6c218816152a376781109030f7377ca8c0 100644 (file)
--- a/NOTES
+++ b/NOTES
@@ -347,3 +347,14 @@ ABC80 and RML 380Z service manuals provides a pinout:
 18: D2
 19: D3
 20: Vcc
+
+Older 5 × 7 or 5 × 9 fonts
+==========================
+
+It might be useful to know which character shapes aren't original to
+the SAA5050 or TIFAX.  So here are some older fonts and how they match
+up.
+
+B.F. Cummins Junior Initial Machine (C19)
+<https://newsletter.shifthappens.site/archive/new-in-the-collection-pt-7-junior-initial-machine/>
+Mostly uses 4 × 7, but matches I J.narrow N T X Y Z period.large