想定してる動作がよく分からないけれど、こんな感じ？

lsph 0,":c;>200,200,#ffffff",0,0
lsph 1,":c;>200,200,#ff0000",100,100
bclear
bsp 0,"C0","P0","P0"
bsp 1,"C1","P1","P1"
bexec %0