if (VM.VerifyAssertions) VM.assert(fits(address,24));
if (VM.VerifyAssertions) VM._assert(fits(address,24));
  final void emitBLA (int address) {    if (VM.VerifyAssertions) VM.assert(fits(address,24));    INSTRUCTION mi = BLAtemplate | (address&0xFFFFFF)<<2;    if (VM.TraceAssembler)      asm(mIP, mi, "bla", hex(address));    mIP++;    mc.addInstruction(mi);  }