José de San Martín Manuel Rodríguez had returned to Chile before the crossing, and began a guerrilla war in Santiago de Chile against the royalists, in support of the upcoming army. He was supported in the south of the city and the countryside. The strategy was to occupy nearby villages, seize the royalists' weapons and flee. The attacks on Melipilla and San Fernando, and a failed one at Curicó, demoralized the royalists. The columns that crossed the Andes began to take military actions. The column in the north led by Cabot defeated the royalists in Salala, seized Coquimbo and then Copiapó. In the south,
AN/GYK-12 has a "privilege level", which controls the operations it is allowed to perform. Level '00'b is used for non-privileged programs. Level '01'b programs are "semi-privileged". Level '10'b programs are privileged and can execute all instructions and I/O operations. Level '11'b is unused. The system uses Sylvania Universal High Level II Integrated Circuits (SUHL II), manufactured by Collins Radio, Honeywell, Raytheon and Motorola Semi-Conductor Division. AN/GYK-12 The AN/GYK-12 is an obsolete 32-bit minicomputer developed by Litton Industries for the United States Army. The AN/GYK-12 is a militarized version of the L-3050 computer ruggedized for use in the TACFIRE tactical fire direction