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So far, we did not change the sprite pointers, so we're viewing raw memory, specifically addresses 0 to 63.

Page 0 holds various system variables, so the sprite will flicker as interrupts and basic routines write to it.

This will move the sprite 0 data pointer to the address range 64-127 ($40-$7F):

poke 2040,1

Blocks 2 ($80-BF) and 3 ($C0-FF) contain more interesting stuff: timer counters and variables that change when you move around the cursor.

#c64 #retrocomputing