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-rw-r--r--README.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/README.txt b/README.txt
index 6c6e1df..e830ab2 100644
--- a/README.txt
+++ b/README.txt
@@ -35,7 +35,9 @@ enter here, the longer it will take to generate the image. The default
(if you just press Return) is 1000, which generally takes 13 to 14
minutes. For a quick test just to see what the result will look like,
try 300, which should take 1 to 2 minutes. The maximum is 65535, which
-takes around 30 minutes to run.
+takes around 30 minutes to run... but more than about 2000 is too much
+anyway: The result starts to have a "ring" around it, which means it
+outgrew the limited size of the Atari screen.
After you enter the number of particles, the screen will clear and
go solid black, while the image is generated. The ANTIC chip's DMA is