Z180MMUCalc1. Bild Reset MMUOn reset, the 64180 sets CBAR to F0, and CBR=BBR=0
2. Bild MMUBINIT: LD HL,COLDBOOT LD (BIOS+1),HL LD A,VCBAR ; 80H out0 (CBAR),A LD A,VBBR ; 10H out0 (BBR),A LD A,VCBR ; 00H out0 (CBR),A