I looked it up, here is what i found.
ACLS
DIM L0[0]
DIM L1[0]
DIM L2[0]
DIM L3[0]
LOAD "DAT:SC_TEST_L0",L0,0
LOAD "DAT:SC_TEST_L1",L1,0
LOAD "DAT:SC_TEST_L2",L2,0
LOAD "DAT:SC_TEST_L3",L3,0
BGLOAD 0,0,0,64,64,L0
BGLOAD 0,0,0,64,64,L1
BGLOAD 0,0,0,64,64,L2
BGLOAD 0,0,0,64,64,L3
0そうだね プレイ済み