From df0b10e37cbd19cb364fda0b6c4a81e292751357 Mon Sep 17 00:00:00 2001 From: Paul Gardner-Stephen Date: Wed, 24 Apr 2019 13:48:44 +0930 Subject: [PATCH] add another string --- strings/D2FF68 | 7 +++++++ 1 file changed, 7 insertions(+) create mode 100644 strings/D2FF68 diff --git a/strings/D2FF68 b/strings/D2FF68 new file mode 100644 index 00000000..8ab2f1c1 --- /dev/null +++ b/strings/D2FF68 @@ -0,0 +1,7 @@ +Probably JSR $FFD2 followed by PLA + +$FFD2 is a publicly listed API of the C64 KERNAL that prints a character. +It corrupts the contents of the A register. Thus is it totally expected to restore the A register +from the stack after calling $FFD2. That this happens several times in the C64 KERNAL itself +is evidence of this being boilerplate and not copyrightable on that basis, as well as it simply +being too short and lacking any creativity etc.