SBP_L2_COUNT
sbpp = sbpm[(ea >> SBP_L2_SHIFT) & (SBP_L2_COUNT - 1)];
spp = spm[(addr >> SBP_L2_SHIFT) & (SBP_L2_COUNT - 1)];
spm += (addr >> SBP_L2_SHIFT) & (SBP_L2_COUNT - 1);
for (j = 0; j < SBP_L2_COUNT && addr < spt->maxaddr;