From f04d37ca84c7d4987277f358cd094b4f45354f67 Mon Sep 17 00:00:00 2001 From: Charles Mangin Date: Wed, 8 Aug 2018 16:58:34 -0400 Subject: [PATCH] added Scroll --- README.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/README.md b/README.md index 2bd8956..f6f829c 100644 --- a/README.md +++ b/README.md @@ -2,3 +2,7 @@ A mixed display mode demo for the Apple IIe, written in 6502 Assembly Uses $C019 on the IIe to detect the VBL interval and some cycle counting to switch display modes during the screen draw for a mix of low-res and text modes. + +# Scroll +I had some fun working out how quickly to scroll low res text and keep it legible. Each row of text scrolls 1 pixel left when the one above it has scrolled all the way across the screen. The top scrolls as fast as I could manage, and the bottom one, well, it will eventually. +