jtag_instruction
jtag_instruction instr,
jtag_instruction id_code; /* instruction to read component ID */
jtag_instruction init_code; /* instruction to write parameters */
jtag_instruction dump_code; /* instruction to read parameters */
jtag_instruction instr,
jtag_instruction, u_char *, int, u_char *);
jtag_instruction, u_char *, int, u_char *);