REG_NM
{"fipr",{V_REG_M,V_REG_N},{HEX_F,REG_NM,HEX_E,HEX_D}},
{"ftrv",{XMTRX_M4,V_REG_N},{HEX_F,REG_NM,HEX_F,HEX_D}},
case REG_NM: