CircuitPython version

Adafruit CircuitPython 7.3.0-rc.0 on 2022-05-15; Adafruit Matrix Portal M4 with samd51j19
Board ID:matrixportal_m4

Code/REPL

from adafruit_matrixportal.matrixportal import MatrixPortal as mp
m = mp(width=64, height=64, bit_depth=6)

# following lines are NOT needed to produce error
# error occurs with or without attached matrix
m.set_background("/bats.bmp")
while True:
    continue

Behavior

Traceback (most recent call last):
File "code.py", line 2, in
File "adafruit_matrixportal/matrixportal.py", line 97, in init
File "adafruit_matrixportal/graphics.py", line 67, in init
File "adafruit_matrixportal/matrix.py", line 192, in init
MemoryError:

Code done running.

Description

Works fine with cp725, fails with 730rc0

Additional information

MatrixPortal part 4745 & matrix part 3649
UF2 Bootloader v3.14.0 SFHWRO
Model: Matrix Portal M4
Board-ID: SAMD51J19A-MatrixPortal-v0

NINA firmware 174