From 3629e3bc937ed1f41e6ee8e252f232a38f711b29 Mon Sep 17 00:00:00 2001 From: Jarno Lehtinen Date: Tue, 5 Apr 2022 21:32:38 +0300 Subject: [PATCH] Update README.md --- C64_4joy_adapter/README.md | 1 + 1 file changed, 1 insertion(+) diff --git a/C64_4joy_adapter/README.md b/C64_4joy_adapter/README.md index 9349d34..79aefb9 100644 --- a/C64_4joy_adapter/README.md +++ b/C64_4joy_adapter/README.md @@ -31,6 +31,7 @@ sei - in can load from io to register - out can write from register to io - only one io/data address space access within one instruction? +- lds/sts takes 2 cycles and in/out takes 1 cycle? ## avr asm - http://www.nongnu.org/avr-libc/user-manual/inline_asm.html