[stella] Bensema's Playfield instructional

Subject: [stella] Bensema's Playfield instructional
From: Pete Holland <petehollandjr@xxxxxxxxx>
Date: Fri, 6 Aug 1999 15:55:00 -0700 (PDT)
I'm going through Nick Bensema's "How To Draw A Playfield" but am not
getting very far.  On page two, it lists a command that reads as


     I thought STA stored what followed the command, from memory
location or actual number, in the A register.  The book on 6502
programming didn't mention anything about a comma like that.  What am I

     Also, just before it mentions that command, it mentions:

"Since X is already loaded to 0xFF, our task...."

     What is 0xFF?  That lower case "x" is what's throwing me.  Is
"0xFF" referring to location FF on the zero page?

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