-/* name, args, match, mask, pinfo, pinfo2, membership */
-{"nop", "", 0x6500, 0xffff, RD_Z, 0, I1 }, /* move $0,$Z */
-{"la", "x,A", 0x0800, 0xf800, WR_x|RD_PC, 0, I1 },
-{"abs", "x,w", 0, (int) M_ABS, INSN_MACRO, 0, I1 },
-{"addiu", "y,x,4", 0x4000, 0xf810, WR_y|RD_x, 0, I1 },
-{"addiu", "x,k", 0x4800, 0xf800, WR_x|RD_x, 0, I1 },
-{"addiu", "S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0, I1 },
-{"addiu", "S,S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0, I1 },
-{"addiu", "x,P,V", 0x0800, 0xf800, WR_x|RD_PC, 0, I1 },
-{"addiu", "x,S,V", 0x0000, 0xf800, WR_x|RD_SP, 0, I1 },
-{"addu", "z,v,y", 0xe001, 0xf803, WR_z|RD_x|RD_y, 0, I1 },
-{"addu", "y,x,4", 0x4000, 0xf810, WR_y|RD_x, 0, I1 },
-{"addu", "x,k", 0x4800, 0xf800, WR_x|RD_x, 0, I1 },
-{"addu", "S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0, I1 },
-{"addu", "S,S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0, I1 },
-{"addu", "x,P,V", 0x0800, 0xf800, WR_x|RD_PC, 0, I1 },
-{"addu", "x,S,V", 0x0000, 0xf800, WR_x|RD_SP, 0, I1 },
-{"and", "x,y", 0xe80c, 0xf81f, WR_x|RD_x|RD_y, 0, I1 },
-{"b", "q", 0x1000, 0xf800, UBR, 0, I1 },
-{"beq", "x,y,p", 0, (int) M_BEQ, INSN_MACRO, 0, I1 },
-{"beq", "x,U,p", 0, (int) M_BEQ_I, INSN_MACRO, 0, I1 },
-{"beqz", "x,p", 0x2000, 0xf800, CBR|RD_x, 0, I1 },
-{"bge", "x,y,p", 0, (int) M_BGE, INSN_MACRO, 0, I1 },
-{"bge", "x,8,p", 0, (int) M_BGE_I, INSN_MACRO, 0, I1 },
-{"bgeu", "x,y,p", 0, (int) M_BGEU, INSN_MACRO, 0, I1 },
-{"bgeu", "x,8,p", 0, (int) M_BGEU_I, INSN_MACRO, 0, I1 },
-{"bgt", "x,y,p", 0, (int) M_BGT, INSN_MACRO, 0, I1 },
-{"bgt", "x,8,p", 0, (int) M_BGT_I, INSN_MACRO, 0, I1 },
-{"bgtu", "x,y,p", 0, (int) M_BGTU, INSN_MACRO, 0, I1 },
-{"bgtu", "x,8,p", 0, (int) M_BGTU_I, INSN_MACRO, 0, I1 },
-{"ble", "x,y,p", 0, (int) M_BLE, INSN_MACRO, 0, I1 },
-{"ble", "x,8,p", 0, (int) M_BLE_I, INSN_MACRO, 0, I1 },
-{"bleu", "x,y,p", 0, (int) M_BLEU, INSN_MACRO, 0, I1 },
-{"bleu", "x,8,p", 0, (int) M_BLEU_I, INSN_MACRO, 0, I1 },
-{"blt", "x,y,p", 0, (int) M_BLT, INSN_MACRO, 0, I1 },
-{"blt", "x,8,p", 0, (int) M_BLT_I, INSN_MACRO, 0, I1 },
-{"bltu", "x,y,p", 0, (int) M_BLTU, INSN_MACRO, 0, I1 },
-{"bltu", "x,8,p", 0, (int) M_BLTU_I, INSN_MACRO, 0, I1 },
-{"bne", "x,y,p", 0, (int) M_BNE, INSN_MACRO, 0, I1 },
-{"bne", "x,U,p", 0, (int) M_BNE_I, INSN_MACRO, 0, I1 },
-{"bnez", "x,p", 0x2800, 0xf800, CBR|RD_x, 0, I1 },
-{"break", "6", 0xe805, 0xf81f, TRAP, 0, I1 },
-{"bteqz", "p", 0x6000, 0xff00, CBR|RD_T, 0, I1 },
-{"btnez", "p", 0x6100, 0xff00, CBR|RD_T, 0, I1 },
-{"cmpi", "x,U", 0x7000, 0xf800, WR_T|RD_x, 0, I1 },
-{"cmp", "x,y", 0xe80a, 0xf81f, WR_T|RD_x|RD_y, 0, I1 },
-{"cmp", "x,U", 0x7000, 0xf800, WR_T|RD_x, 0, I1 },
-{"dla", "y,E", 0xfe00, 0xff00, WR_y|RD_PC, 0, I3 },
-{"daddiu", "y,x,4", 0x4010, 0xf810, WR_y|RD_x, 0, I3 },
-{"daddiu", "y,j", 0xfd00, 0xff00, WR_y|RD_y, 0, I3 },
-{"daddiu", "S,K", 0xfb00, 0xff00, WR_SP|RD_SP, 0, I3 },
-{"daddiu", "S,S,K", 0xfb00, 0xff00, WR_SP|RD_SP, 0, I3 },
-{"daddiu", "y,P,W", 0xfe00, 0xff00, WR_y|RD_PC, 0, I3 },
-{"daddiu", "y,S,W", 0xff00, 0xff00, WR_y|RD_SP, 0, I3 },
-{"daddu", "z,v,y", 0xe000, 0xf803, WR_z|RD_x|RD_y, 0, I3 },
-{"daddu", "y,x,4", 0x4010, 0xf810, WR_y|RD_x, 0, I3 },
-{"daddu", "y,j", 0xfd00, 0xff00, WR_y|RD_y, 0, I3 },
-{"daddu", "S,K", 0xfb00, 0xff00, WR_SP|RD_SP, 0, I3 },
-{"daddu", "S,S,K", 0xfb00, 0xff00, WR_SP|RD_SP, 0, I3 },
-{"daddu", "y,P,W", 0xfe00, 0xff00, WR_y|RD_PC, 0, I3 },
-{"daddu", "y,S,W", 0xff00, 0xff00, WR_y|RD_SP, 0, I3 },
-{"ddiv", "0,x,y", 0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I3 },
-{"ddiv", "z,v,y", 0, (int) M_DDIV_3, INSN_MACRO, 0, I1 },
-{"ddivu", "0,x,y", 0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I3 },
-{"ddivu", "z,v,y", 0, (int) M_DDIVU_3, INSN_MACRO, 0, I1 },
-{"div", "0,x,y", 0xe81a, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I1 },
-{"div", "z,v,y", 0, (int) M_DIV_3, INSN_MACRO, 0, I1 },
-{"divu", "0,x,y", 0xe81b, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I1 },
-{"divu", "z,v,y", 0, (int) M_DIVU_3, INSN_MACRO, 0, I1 },
-{"dmul", "z,v,y", 0, (int) M_DMUL, INSN_MACRO, 0, I3 },
-{"dmult", "x,y", 0xe81c, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I3 },
-{"dmultu", "x,y", 0xe81d, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I3 },
-{"drem", "0,x,y", 0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I3 },
-{"drem", "z,v,y", 0, (int) M_DREM_3, INSN_MACRO, 0, I1 },
-{"dremu", "0,x,y", 0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I3 },
-{"dremu", "z,v,y", 0, (int) M_DREMU_3, INSN_MACRO, 0, I1 },
-{"dsllv", "y,x", 0xe814, 0xf81f, WR_y|RD_y|RD_x, 0, I3 },
-{"dsll", "x,w,[", 0x3001, 0xf803, WR_x|RD_y, 0, I3 },
-{"dsll", "y,x", 0xe814, 0xf81f, WR_y|RD_y|RD_x, 0, I3 },
-{"dsrav", "y,x", 0xe817, 0xf81f, WR_y|RD_y|RD_x, 0, I3 },
-{"dsra", "y,]", 0xe813, 0xf81f, WR_y|RD_y, 0, I3 },
-{"dsra", "y,x", 0xe817, 0xf81f, WR_y|RD_y|RD_x, 0, I3 },
-{"dsrlv", "y,x", 0xe816, 0xf81f, WR_y|RD_y|RD_x, 0, I3 },
-{"dsrl", "y,]", 0xe808, 0xf81f, WR_y|RD_y, 0, I3 },
-{"dsrl", "y,x", 0xe816, 0xf81f, WR_y|RD_y|RD_x, 0, I3 },
-{"dsubu", "z,v,y", 0xe002, 0xf803, WR_z|RD_x|RD_y, 0, I3 },
-{"dsubu", "y,x,4", 0, (int) M_DSUBU_I, INSN_MACRO, 0, I1 },
-{"dsubu", "y,j", 0, (int) M_DSUBU_I_2, INSN_MACRO, 0, I1 },
-{"exit", "L", 0xed09, 0xff1f, TRAP, 0, I1 },
-{"exit", "L", 0xee09, 0xff1f, TRAP, 0, I1 },
-{"exit", "L", 0xef09, 0xff1f, TRAP, 0, I1 },
-{"entry", "l", 0xe809, 0xf81f, TRAP, 0, I1 },
-{"extend", "e", 0xf000, 0xf800, 0, 0, I1 },
-{"jalr", "x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0, I1 },
-{"jalr", "R,x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0, I1 },
-{"jal", "x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0, I1 },
-{"jal", "R,x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0, I1 },
-{"jal", "a", 0x1800, 0xfc00, UBD|WR_31, 0, I1 },
-{"jalx", "i", 0x1c00, 0xfc00, UBD|WR_31, 0, I1 },
-{"jr", "x", 0xe800, 0xf8ff, UBD|RD_x, 0, I1 },
-{"jr", "R", 0xe820, 0xffff, UBD|RD_31, 0, I1 },
-{"j", "x", 0xe800, 0xf8ff, UBD|RD_x, 0, I1 },
-{"j", "R", 0xe820, 0xffff, UBD|RD_31, 0, I1 },
+/* name, args, match, mask, pinfo, pinfo2, membership */
+{"nop", "", 0x6500, 0xffff, 0, RD_16, I1, 0, 0 }, /* move $0,$Z */
+{"la", "x,A", 0x0800, 0xf800, WR_1, RD_PC, I1, 0, 0 },
+{"abs", "x,w", 0, (int) M_ABS, INSN_MACRO, 0, I1, 0, 0 },
+{"addiu", "y,x,4", 0x4000, 0xf810, WR_1|RD_2, 0, I1, 0, 0 },
+{"addiu", "x,k", 0x4800, 0xf800, MOD_1, 0, I1, 0, 0 },
+{"addiu", "S,K", 0x6300, 0xff00, 0, MOD_SP, I1, 0, 0 },
+{"addiu", "S,S,K", 0x6300, 0xff00, 0, MOD_SP, I1, 0, 0 },
+{"addiu", "x,P,V", 0x0800, 0xf800, WR_1, RD_PC, I1, 0, 0 },
+{"addiu", "x,S,V", 0x0000, 0xf800, WR_1, RD_SP, I1, 0, 0 },
+{"addu", "z,v,y", 0xe001, 0xf803, WR_1|RD_2|RD_3, 0, I1, 0, 0 },
+{"addu", "y,x,4", 0x4000, 0xf810, WR_1|RD_2, 0, I1, 0, 0 },
+{"addu", "x,k", 0x4800, 0xf800, MOD_1, 0, I1, 0, 0 },
+{"addu", "S,K", 0x6300, 0xff00, 0, MOD_SP, I1, 0, 0 },
+{"addu", "S,S,K", 0x6300, 0xff00, 0, MOD_SP, I1, 0, 0 },
+{"addu", "x,P,V", 0x0800, 0xf800, WR_1, RD_PC, I1, 0, 0 },
+{"addu", "x,S,V", 0x0000, 0xf800, WR_1, RD_SP, I1, 0, 0 },
+{"and", "x,y", 0xe80c, 0xf81f, MOD_1|RD_2, 0, I1, 0, 0 },
+{"b", "q", 0x1000, 0xf800, 0, UBR, I1, 0, 0 },
+{"beq", "x,y,p", 0, (int) M_BEQ, INSN_MACRO, 0, I1, 0, 0 },
+{"beq", "x,I,p", 0, (int) M_BEQ_I, INSN_MACRO, 0, I1, 0, 0 },
+{"beqz", "x,p", 0x2000, 0xf800, RD_1, CBR, I1, 0, 0 },
+{"bge", "x,y,p", 0, (int) M_BGE, INSN_MACRO, 0, I1, 0, 0 },
+{"bge", "x,I,p", 0, (int) M_BGE_I, INSN_MACRO, 0, I1, 0, 0 },
+{"bgeu", "x,y,p", 0, (int) M_BGEU, INSN_MACRO, 0, I1, 0, 0 },
+{"bgeu", "x,I,p", 0, (int) M_BGEU_I, INSN_MACRO, 0, I1, 0, 0 },
+{"bgt", "x,y,p", 0, (int) M_BGT, INSN_MACRO, 0, I1, 0, 0 },
+{"bgt", "x,I,p", 0, (int) M_BGT_I, INSN_MACRO, 0, I1, 0, 0 },
+{"bgtu", "x,y,p", 0, (int) M_BGTU, INSN_MACRO, 0, I1, 0, 0 },
+{"bgtu", "x,I,p", 0, (int) M_BGTU_I, INSN_MACRO, 0, I1, 0, 0 },
+{"ble", "x,y,p", 0, (int) M_BLE, INSN_MACRO, 0, I1, 0, 0 },
+{"ble", "x,I,p", 0, (int) M_BLE_I, INSN_MACRO, 0, I1, 0, 0 },
+{"bleu", "x,y,p", 0, (int) M_BLEU, INSN_MACRO, 0, I1, 0, 0 },
+{"bleu", "x,I,p", 0, (int) M_BLEU_I, INSN_MACRO, 0, I1, 0, 0 },
+{"blt", "x,y,p", 0, (int) M_BLT, INSN_MACRO, 0, I1, 0, 0 },
+{"blt", "x,I,p", 0, (int) M_BLT_I, INSN_MACRO, 0, I1, 0, 0 },
+{"bltu", "x,y,p", 0, (int) M_BLTU, INSN_MACRO, 0, I1, 0, 0 },
+{"bltu", "x,I,p", 0, (int) M_BLTU_I, INSN_MACRO, 0, I1, 0, 0 },
+{"bne", "x,y,p", 0, (int) M_BNE, INSN_MACRO, 0, I1, 0, 0 },
+{"bne", "x,I,p", 0, (int) M_BNE_I, INSN_MACRO, 0, I1, 0, 0 },
+{"bnez", "x,p", 0x2800, 0xf800, RD_1, CBR, I1, 0, 0 },
+{"break", "6", 0xe805, 0xf81f, TRAP, 0, I1, 0, 0 },
+{"bteqz", "p", 0x6000, 0xff00, RD_T, CBR, I1, 0, 0 },
+{"btnez", "p", 0x6100, 0xff00, RD_T, CBR, I1, 0, 0 },
+{"cmpi", "x,U", 0x7000, 0xf800, RD_1|WR_T, 0, I1, 0, 0 },
+{"cmp", "x,y", 0xe80a, 0xf81f, RD_1|RD_2|WR_T, 0, I1, 0, 0 },
+{"cmp", "x,U", 0x7000, 0xf800, RD_1|WR_T, 0, I1, 0, 0 },
+{"dla", "y,E", 0xfe00, 0xff00, WR_1, RD_PC, I3, 0, 0 },
+{"daddiu", "y,x,4", 0x4010, 0xf810, WR_1|RD_2, 0, I3, 0, 0 },
+{"daddiu", "y,j", 0xfd00, 0xff00, MOD_1, 0, I3, 0, 0 },
+{"daddiu", "S,K", 0xfb00, 0xff00, 0, MOD_SP, I3, 0, 0 },
+{"daddiu", "S,S,K", 0xfb00, 0xff00, 0, MOD_SP, I3, 0, 0 },
+{"daddiu", "y,P,W", 0xfe00, 0xff00, WR_1, RD_PC, I3, 0, 0 },
+{"daddiu", "y,S,W", 0xff00, 0xff00, WR_1, RD_SP, I3, 0, 0 },
+{"daddu", "z,v,y", 0xe000, 0xf803, WR_1|RD_2|RD_3, 0, I3, 0, 0 },
+{"daddu", "y,x,4", 0x4010, 0xf810, WR_1|RD_2, 0, I3, 0, 0 },
+{"daddu", "y,j", 0xfd00, 0xff00, MOD_1, 0, I3, 0, 0 },
+{"daddu", "S,K", 0xfb00, 0xff00, 0, MOD_SP, I3, 0, 0 },
+{"daddu", "S,S,K", 0xfb00, 0xff00, 0, MOD_SP, I3, 0, 0 },
+{"daddu", "y,P,W", 0xfe00, 0xff00, WR_1, RD_PC, I3, 0, 0 },
+{"daddu", "y,S,W", 0xff00, 0xff00, WR_1, RD_SP, I3, 0, 0 },
+{"ddiv", "0,x,y", 0xe81e, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I3, 0, 0 },
+{"ddiv", "z,v,y", 0, (int) M_DDIV_3, INSN_MACRO, 0, I1, 0, 0 },
+{"ddivu", "0,x,y", 0xe81f, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I3, 0, 0 },
+{"ddivu", "z,v,y", 0, (int) M_DDIVU_3, INSN_MACRO, 0, I1, 0, 0 },
+{"div", "0,x,y", 0xe81a, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I1, 0, 0 },
+{"div", "z,v,y", 0, (int) M_DIV_3, INSN_MACRO, 0, I1, 0, 0 },
+{"divu", "0,x,y", 0xe81b, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I1, 0, 0 },
+{"divu", "z,v,y", 0, (int) M_DIVU_3, INSN_MACRO, 0, I1, 0, 0 },
+{"dmul", "z,v,y", 0, (int) M_DMUL, INSN_MACRO, 0, I3, 0, 0 },
+{"dmult", "x,y", 0xe81c, 0xf81f, RD_1|RD_2|WR_HI|WR_LO, 0, I3, 0, 0 },
+{"dmultu", "x,y", 0xe81d, 0xf81f, RD_1|RD_2|WR_HI|WR_LO, 0, I3, 0, 0 },
+{"drem", "0,x,y", 0xe81e, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I3, 0, 0 },
+{"drem", "z,v,y", 0, (int) M_DREM_3, INSN_MACRO, 0, I1, 0, 0 },
+{"dremu", "0,x,y", 0xe81f, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I3, 0, 0 },
+{"dremu", "z,v,y", 0, (int) M_DREMU_3, INSN_MACRO, 0, I1, 0, 0 },
+{"dsllv", "y,x", 0xe814, 0xf81f, MOD_1|RD_2, 0, I3, 0, 0 },
+{"dsll", "x,w,[", 0x3001, 0xf803, WR_1|RD_2, 0, I3, 0, 0 },
+{"dsll", "y,x", 0xe814, 0xf81f, MOD_1|RD_2, 0, I3, 0, 0 },
+{"dsrav", "y,x", 0xe817, 0xf81f, MOD_1|RD_2, 0, I3, 0, 0 },
+{"dsra", "y,]", 0xe813, 0xf81f, MOD_1, 0, I3, 0, 0 },
+{"dsra", "y,x", 0xe817, 0xf81f, MOD_1|RD_2, 0, I3, 0, 0 },
+{"dsrlv", "y,x", 0xe816, 0xf81f, MOD_1|RD_2, 0, I3, 0, 0 },
+{"dsrl", "y,]", 0xe808, 0xf81f, MOD_1, 0, I3, 0, 0 },
+{"dsrl", "y,x", 0xe816, 0xf81f, MOD_1|RD_2, 0, I3, 0, 0 },
+{"dsubu", "z,v,y", 0xe002, 0xf803, WR_1|RD_2|RD_3, 0, I3, 0, 0 },
+{"dsubu", "y,x,I", 0, (int) M_DSUBU_I, INSN_MACRO, 0, I1, 0, 0 },
+{"dsubu", "y,I", 0, (int) M_DSUBU_I_2, INSN_MACRO, 0, I1, 0, 0 },
+{"exit", "L", 0xed09, 0xff1f, TRAP, 0, I1, 0, 0 },
+{"exit", "L", 0xee09, 0xff1f, TRAP, 0, I1, 0, 0 },
+{"exit", "", 0xef09, 0xffff, TRAP, 0, I1, 0, 0 },
+{"exit", "L", 0xef09, 0xff1f, TRAP, 0, I1, 0, 0 },
+{"entry", "", 0xe809, 0xffff, TRAP, 0, I1, 0, 0 },
+{"entry", "l", 0xe809, 0xf81f, TRAP, 0, I1, 0, 0 },
+{"extend", "e", 0xf000, 0xf800, 0, 0, I1, 0, 0 },
+{"jalr", "x", 0xe840, 0xf8ff, RD_1|WR_31|UBD, 0, I1, 0, 0 },
+{"jalr", "R,x", 0xe840, 0xf8ff, RD_2|WR_31|UBD, 0, I1, 0, 0 },
+{"jal", "x", 0xe840, 0xf8ff, RD_1|WR_31|UBD, 0, I1, 0, 0 },
+{"jal", "R,x", 0xe840, 0xf8ff, RD_2|WR_31|UBD, 0, I1, 0, 0 },
+{"jal", "a", 0x1800, 0xfc00, WR_31|UBD, 0, I1, 0, 0 },
+{"jalx", "i", 0x1c00, 0xfc00, WR_31|UBD, 0, I1, 0, 0 },
+{"jr", "x", 0xe800, 0xf8ff, RD_1|UBD, 0, I1, 0, 0 },
+{"jr", "R", 0xe820, 0xffff, UBD, RD_31, I1, 0, 0 },
+{"j", "x", 0xe800, 0xf8ff, RD_1|UBD, 0, I1, 0, 0 },
+{"j", "R", 0xe820, 0xffff, UBD, RD_31, I1, 0, 0 },