X_LOADER_START = $0700;
X_BANK = $074E;
X_SRC = $07CA;
X_CLRSTART = $071D;
X_CLREND = $0728;
X_PORTB = $0707;
X_EXITBANK = $07B7;
X_NMIEN = $07C0;
X_BOOT_START = $BFED;
X_RESET_PROOF = $072C;