RAM and ROM?
RAM or Random Access Memory is memory that can be written to and read from. It can be changed as many times as desired. RAM is used to store your songs, patterns, chords and setup information. ROM or Read-Only Memory is memory that is fixed, i.e. it cannot be changed. Memory is allocated in chunks and each pattern chunk can hold different amounts of notes depending upon which tracks are in use. Song chunks are allocated as needed. The chunks are then linked together to form a pattern or a song. What you find is a stepwise use of memory. Adding notes to a pattern may not use more memory if they are going into an already allocated chunk. But adding the one that needs a new chunk allocating makes a big difference in how much is used overall. The 200 user patterns and 20 songs is really a limit on two tables. You could use them all up in about 40 patterns and 1 song if you tried hard. 16/4 patterns are more efficient than 4 x 4/4 patterns. The rationale for this is as follows. As patterns
