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//  -*- C -*-
//  Mitsubishi Electric Corp. D30V Simulator.
//  Copyright (C) 1997, Free Software Foundation, Inc.
//  Contributed by Cygnus Solutions Inc.
//
//  This file is part of GDB, the GNU debugger.
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//


define( _BRA,  `1.*,CCC,000')
define( _LOGIC, `1.*,CCC,001')
define( _IMEM, `1.*,CCC,010')
define( _IALU1, `1.*,CCC,100')
define(_IALU2, `1.*,CCC,101')



define(_IMM6, `6.IMM_6S')
define(_IMM12, `12.IMM_12S')
define(_IMM18, `18.IMM_18S')
define(_IMM32, `6.IMM_6L,*,000,8.IMM_8L,00,18.IMM_18L')



// The following is called when ever an illegal instruction is
// encountered
::internal::illegal
        sim_io_eprintf (sd, "illegal instruction at 0x%lx\n", (long) cia);
        sim_engine_halt (SD, CPU, NULL, cia, sim_signalled, SIM_SIGILL);

// The following is called when ever an instruction in the wrong
// slot is encountered.
::internal::wrong_slot
        sim_io_eprintf (sd, "wrong slot at 0x%lx\n", (long) cia);
        sim_engine_halt (SD, CPU, NULL, cia, sim_signalled, SIM_SIGILL);



// Something illegal that can be used to contact the simulator emul
// library.
define(_EMUL, `1.*,CCC,111')

void::function::do_emul:int imm
        /* temp hack - later replace with real interface */
        enum {
          param1 = 2, param2, param3, param4
        };
        switch (imm) {
        case 0:
          {
            sim_engine_abort (SD, CPU, cia, "UNIX call emulation unsupported");
            break;
          }
        case 1:
          /* Trap 1 - prints a string */
          {
            address_word str = GPR[param1];
            char chr;
            while (1) {
              chr = MEM (unsigned, str, 1);
            if (chr == '\0') break;
              sim_io_write_stdout (sd, &chr, sizeof chr);
              str++;
            }
            break;
          }
        case 3:
          /* Trap 3 - writes a character */
          {
            char chr = GPR[param1];
            sim_io_write_stdout (sd, &chr, sizeof chr);
            break;
          }
        case 4:
          /* Trap 4 exits with status in [param1] */
          {
            sim_engine_halt (SD, CPU, NULL, cia, sim_exited, GPR[param1]);
            break;
          }
        case 5:
          /* Trap 5 breakpoints.  If the breakpoint system knows about this, it
             won't return.  Otherwise, we fall through to treat this as an
             unknown instruction.  */
          {
            sim_handle_breakpoint (SD, CPU, cia);
          /* Fall through to default case.*/
          }
        default:
          sim_engine_abort (SD, CPU, cia, "Unknown monitor call %d", imm);
        }

_EMUL,00000,00,6.*,6.*,IMM_6S:EMUL:short,emul:iu,mu:EMUL
"syscall <imm>"
        do_emul (_SD, imm);
_BRA,00000,00,6.**,6.**,_IMM32:BRA:long:iu,mu:EMUL long
"syscall <imm>"
        do_emul (_SD, imm);

// ABS

_IALU1,01000,00,6.RA,6.RB,6.**:IALU1:short:iu,mu:ABS
"abs r<RA>, r<RB>"
        WRITE32_QUEUE (Ra, abs(Rb));



// ADD

void::function::do_add:unsigned32 *ra, unsigned32 rb, unsigned32 imm
        ALU_BEGIN(rb);
        ALU_ADDC(imm);
        ALU_END(ra);

_IALU1,00000,00,6.RA,6.RB,6.RC:IALU1:short:iu,mu:ADD
"add r<RA>, r<RB>, r<RC>"
        do_add (_SD, Ra, Rb, Rc);
_IALU1,00000,10,6.RA,6.RB,_IMM6:IALU1:short:iu,mu:ADD imm
"add r<RA>, r<RB>, <imm>"
        do_add (_SD, Ra, Rb, imm);
_IALU1,00000,10,6.RA,6.RB,_IMM32:IALU1:long:iu,mu:ADD imm long
"add r<RA>, r<RB>, <imm>"
        do_add (_SD, Ra, Rb, imm);



// ADD2H

void::function::do_add2h:signed32 *ra, signed32 rb, signed32 imm
        unsigned16 ah2 = VH2_4(rb) + VH2_4(imm);
        unsigned16 al2 = VL2_4(rb) + VL2_4(imm);
        WRITE32_QUEUE (ra, (ah2 << 16) | al2);

_IALU1,00001,00,6.RA,6.RB,6.RC:IALU1:short:iu,mu:ADD2H
"add2h r<RA>, r<RB>, r<RC>"
        do_add2h (_SD, Ra, Rb, Rc);
_IALU1,00001,10,6.RA,6.RB,_IMM6:IALU1:short:iu,mu:ADD2H imm
"add2h r<RA>, r<RB>, <imm>"
        do_add2h (_SD, Ra, Rb, immHL);
_IALU1,00001,10,6.RA,6.RB,_IMM32:IALU1:long:iu,mu:ADD2H imm long
"add2h r<RA>, r<RB>, <imm>"
        do_add2h (_SD, Ra, Rb, imm);



// ADDC

void::function::do_addc:unsigned32 *ra, unsigned32 rb, unsigned32 imm
        ALU_BEGIN(rb);
        ALU_ADDC_C(imm, ALU_CARRY);
        ALU_END(ra);

_IALU1,00100,00,6.RA,6.RB,6.RC:IALU1:short:iu,mu:ADDC
"addc r<RA>, r<RB>, r<RC>"
        do_addc (_SD, Ra, Rb, Rc);
_IALU1,00100,10,6.RA,6.RB,_IMM6:IALU1:short:iu,mu:ADDC imm
"addc r<RA>, r<RB>, <imm>"
        do_addc (_SD, Ra, Rb, imm);
_IALU1,00100,10,6.RA,6.RB,_IMM32:IALU1:long:iu,mu:ADDC imm long
"addc r<RA>, r<RB>, <imm>"
        do_addc (_SD, Ra, Rb, imm);



// ADDHppp

void::function::do_addh_ppp:int ppp, unsigned32 *ra, unsigned32 rb, unsigned32 src
        switch (ppp) {
        case 0x0: /* LLL */
          {
          ALU16_BEGIN(VL2_4(rb));
          ALU16_ADDC(VL2_4(src));
          ALU16_END(ra, 0);
          }
          break;
        case 0x1: /* LLH */
          {
          ALU16_BEGIN(VL2_4(rb));
          ALU16_ADDC(VH2_4(src));
          ALU16_END(ra, 0);
          }
          break;
        case 0x2: /* LHL */
          {
          ALU16_BEGIN(VH2_4(rb));
          ALU16_ADDC(VL2_4(src));
          ALU16_END(ra, 0);
          }
          break;
        case 0x3: /* LHH */
          {
          ALU16_BEGIN(VH2_4(rb));
          ALU16_ADDC(VH2_4(src));
          ALU16_END(ra, 0);
          }
          break;
        case 0x4: /* HLL */
          {
          ALU16_BEGIN(VL2_4(rb));
          ALU16_ADDC(VL2_4(src));
          ALU16_END(ra, 1);
          }
          break;
        case 0x5: /* HLH */
          {
          ALU16_BEGIN(VL2_4(rb));
          ALU16_ADDC(VH2_4(src));
          ALU16_END(ra, 1);
          }
          break;
        case 0x6: /* HHL */
          {
          ALU16_BEGIN(VH2_4(rb));
          ALU16_ADDC(VL2_4(src));
          ALU16_END(ra, 1);
          }
          break;
        case 0x7: /* HHH */
          {     
          ALU16_BEGIN(VH2_4(rb));
          ALU16_ADDC(VH2_4(src));
          ALU16_END(ra, 1);
          }
          break;
        default:
          sim_engine_abort (SD, CPU, cia, "do_addh_ppp - internal error - bad switch");
        }
::%s::ppp:int ppp
        switch (ppp)
          {
          case 0x0: return "lll";
          case 0x1: return "llh";
          case 0x2: return "lhl";
          case 0x3: return "lhh";
          case 0x4: return "hll";
          case 0x5: return "hlh";
          case 0x6: return "hhl";
          case 0x7: return "hhh";
          default: return "?";
          }

_IALU1,10,ppp,00,6.RA,6.RB,6.RC:IALU1:short:iu,mu:ADDHppp
"addh%s<ppp> r<RA>, r<RB>, r<RC>"
        do_addh_ppp(_SD, ppp, Ra, Rb, Rc);
_IALU1,10,ppp,10,6.RA,6.RB,_IMM6:IALU1:short:iu,mu:ADDHppp imm
"addh%s<ppp> r<RA>, r<RB>, <imm>"
        do_addh_ppp(_SD, ppp, Ra, Rb, immHL);
_IALU1,10,ppp,10,6.RA,6.RB,_IMM32:IALU1:long:iu,mu:ADDHppp imm long
"addh%s<ppp> r<RA>, r<RB>, <imm>"
        do_addh_ppp(_SD, ppp, Ra, Rb, imm);



// ADDS

void::function::do_adds:unsigned32 *ra, unsigned32 rb, unsigned32 imm
        ALU_BEGIN(rb);
        ALU_ADDC(EXTRACTED32(imm, 0, 0));
        ALU_END(ra);

_IALU1,00110,00,6.RA,6.RB,6.RC:IALU1:short:iu,mu:ADDS
"adds r<RA>, r<RB>, r<RC>"
        do_adds (_SD, Ra, Rb, Rc);
_IALU1,00110,10,6.RA,6.RB,_IMM6:IALU1:short:iu,mu:ADDS imm
"adds r<RA>, r<RB>, <imm>"
        do_adds (_SD, Ra, Rb, imm);
_IALU1,00110,10,6.RA,6.RB,_IMM32:IALU1:long:iu,mu:ADDS imm long
"adds r<RA>, r<RB>, <imm>"
        do_adds (_SD, Ra, Rb, imm);



// ADDS2H

void::function::do_adds2h:unsigned32 *ra, unsigned32 rb, unsigned32 immHL
        unsigned16 high = VH2_4(rb) + EXTRACTED32(immHL, 0, 0);
        unsigned16 low = VL2_4(rb) + EXTRACTED32(immHL, 16, 16);
        WRITE32_QUEUE (ra, (high << 16) | low);

_IALU1,00111,00,6.RA,6.RB,6.RC:IALU1:short:iu,mu:ADDS2H
"adds2h r<RA>, r<RB>, r<RC>"
        do_adds2h (_SD, Ra, Rb, Rc);
_IALU1,00111,10,6.RA,6.RB,_IMM6:IALU1:short:iu,mu:ADDS2H imm
"adds2h r<RA>, r<RB>, <imm>"
        do_adds2h (_SD, Ra, Rb, immHL);
_IALU1,00111,10,6.RA,6.RB,_IMM32:IALU1:long:iu,mu:ADDS2H imm long
"adds2h r<RA>, r<RB>, <imm>"
        do_adds2h (_SD, Ra, Rb, imm);



// AND

_LOGIC,11000,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:AND
"and r<RA>, r<RB>, r<RC>"
        WRITE32_QUEUE (Ra, Rb & Rc);
_LOGIC,11000,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:AND imm
"and r<RA>, r<RB>, <imm>"
        WRITE32_QUEUE (Ra, Rb & imm);
_LOGIC,11000,10,6.RA,6.RB,_IMM32:LOGIC:long:iu,mu:AND imm long
"and r<RA>, r<RB>, <imm>"
        WRITE32_QUEUE (Ra, Rb & imm);


// ANDFG

_LOGIC,01000,00,***,3.FA,***,3.FB,***,3.FC:LOGIC:short:iu,mu:Logical AND Flags
"andfg f<FA>, f<FB>, f<FC>"
        PSW_FLAG_SET_QUEUE(FA, PSW_FLAG_VAL(FB) & PSW_FLAG_VAL(FC));
_LOGIC,01000,10,***,3.FA,***,3.FB,_IMM6:LOGIC:short:iu,mu:Logical AND Flags imm
"andfg f<FA>, f<FB>, <imm_6>"
        PSW_FLAG_SET_QUEUE(FA, PSW_FLAG_VAL(FB) & (imm_6 & 1));



// AVG

void::function::do_avg:unsigned32 *ra, unsigned32 rb, unsigned32 imm
        WRITE32_QUEUE (ra, ((signed64)(signed32)rb + (signed64)(signed32)imm + 1) >> 1);

_IALU1,01010,00,6.RA,6.RB,6.RC:IALU1:short:iu,mu:AVG
"avg r<RA>, r<RB>, r<RC>"
        do_avg (_SD, Ra, Rb, Rc);
_IALU1,01010,10,6.RA,6.RB,_IMM6:IALU1:short:iu,mu:AVG imm
"avg r<RA>, r<RB>, <imm>"
        do_avg (_SD, Ra, Rb, imm);
_IALU1,01010,10,6.RA,6.RB,_IMM32:IALU1:long:iu,mu:AVG imm long
"avg r<RA>, r<RB>, <imm>"
        do_avg (_SD, Ra, Rb, imm);



// AVG2H

void::function::do_avg2h:unsigned32 *ra, unsigned32 rb, unsigned32 imm
        unsigned16 high = ((signed32)(signed16)VH2_4(rb) + (signed32)(signed16)VH2_4(imm) + 1) >> 1;
        unsigned16 low  = ((signed32)(signed16)VL2_4(rb) + (signed32)(signed16)VL2_4(imm) + 1) >> 1;
        WRITE32_QUEUE (ra, (high << 16) | low);

_IALU1,01011,00,6.RA,6.RB,6.RC:IALU1:short:iu,mu:AVG2H
"avg2h r<RA>, r<RB>, r<RC>"
        do_avg2h (_SD, Ra, Rb, Rc);
_IALU1,01011,10,6.RA,6.RB,_IMM6:IALU1:short:iu,mu:AVG2H imm
"avg2h r<RA>, r<RB>, <imm>"
        do_avg2h (_SD, Ra, Rb, immHL);
_IALU1,01011,10,6.RA,6.RB,_IMM32:IALU1:long:iu,mu:AVG2H imm long
"avg2h r<RA>, r<RB>, <imm>"
        do_avg2h (_SD, Ra, Rb, imm);



// BCLR

_LOGIC,00011,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:BCLR
"bclr r<RA>, r<RB>, r<RC>"
        WRITE32_QUEUE(Ra, Rb & ~BIT32((Rc) % 32));
_LOGIC,00011,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:BCLR imm
"bclr r<RA>, r<RB>, <imm>"
        WRITE32_QUEUE(Ra, Rb & ~BIT32((imm) % 32));



// BNOT

_LOGIC,00001,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:BNOT
"bnot r<RA>, r<RB>, r<RC>"
        WRITE32_QUEUE (Ra, Rb ^ BIT32((Rc) % 32));
_LOGIC,00001,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:BNOT imm
"bnot r<RA>, r<RB>, <imm>"
        WRITE32_QUEUE (Ra, Rb ^ BIT32((imm) % 32));



// BRA

_BRA,00000,00,6.**,6.**,6.RC:BRA:short:mu:BRA
"bra r<RC>"
        nia = cia + pcdisp;
_BRA,00000,10,_IMM18:BRA:short:mu:BRA imm
"bra <pcdisp>"
        nia = cia + pcdisp;
_BRA,00000,10,6.**,6.**,_IMM32:BRA:long:mu:BRA imm long
"bra <pcdisp>"
        nia = cia + pcdisp;



// BRATNZ

_BRA,00100,01,6.RA,6.**,6.RC:BRA:short:mu:BRATNZ
"bratnz r<RC>"
        if (*Ra != 0)
          nia = cia + pcdisp;
_BRA,00100,11,6.RA,_IMM12:BRA:short:mu:BRATNZ imm
"bratnz <pcdisp>"
        if (*Ra != 0)
          nia = cia + pcdisp;
_BRA,00100,11,6.RA,6.**,_IMM32:BRA:long:mu:BRATNZ imm long
"bratnz <pcdisp>"
        if (*Ra != 0)
          nia = cia + pcdisp;



// BRATZR

_BRA,00100,00,6.RA,6.**,6.RC:BRA:short:mu:BRATZR
"bratzr r<RC>"
        if (val_Ra == 0)
          nia = cia + pcdisp;
_BRA,00100,10,6.RA,_IMM12:BRA:short:mu:BRATZR imm
"bratzr <pcdisp>"
        if (val_Ra == 0)
          nia = cia + pcdisp;
_BRA,00100,10,6.RA,6.**,_IMM32:BRA:long:mu:BRATZR imm long
"bratzr <pcdisp>"
        if (val_Ra == 0)
          nia = cia + pcdisp;



// BSET

_LOGIC,00010,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:BSET
"bset r<RA>, r<RB>, r<RC>"
        WRITE32_QUEUE (Ra, Rb | BIT32((Rc) % 32));
_LOGIC,00010,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:BSET imm
"bset r<RA>, r<RB>, <imm>"
        WRITE32_QUEUE (Ra, Rb | BIT32((imm) % 32));



// BSR

_BRA,00010,00,6.**,6.**,6.RC:BRA:short:mu:BSR
"bsr r<RC>"
        if (cia == RPT_E && PSW_VAL (PSW_RP))
          WRITE32_QUEUE (&GPR[62], RPT_S);
        else
          WRITE32_QUEUE (&GPR[62], cia + 8);
        nia = cia + pcdisp;
        if (TRACE_CALL_P)
          TRACE_ACTION |= TRACE_ACTION_CALL;
_BRA,00010,10,_IMM18:BRA:short:mu:BSR imm
"bsr <pcdisp>"
        if (cia == RPT_E && PSW_VAL (PSW_RP))
          WRITE32_QUEUE (&GPR[62], RPT_S);
        else
          WRITE32_QUEUE (&GPR[62], cia + 8);
        nia = cia + pcdisp;
        if (TRACE_CALL_P)
          TRACE_ACTION |= TRACE_ACTION_CALL;
_BRA,00010,10,6.**,6.**,_IMM32:BRA:long:mu:BSR imm long
"bsr <pcdisp>"
        if (cia == RPT_E && PSW_VAL (PSW_RP))
          WRITE32_QUEUE (&GPR[62], RPT_S);
        else
          WRITE32_QUEUE (&GPR[62], cia + 8);
        nia = cia + pcdisp;
        if (TRACE_CALL_P)
          TRACE_ACTION |= TRACE_ACTION_CALL;


// BSRTNZ

_BRA,00110,01,6.RA,6.**,6.RC:BRA:short:mu:BSRTNZ
"bsrtnz r<RC>"
        if (val_Ra != 0) {
          if (cia == RPT_E && PSW_VAL (PSW_RP))
            WRITE32_QUEUE (&GPR[62], RPT_S);
          else
            WRITE32_QUEUE (&GPR[62], cia + 8);
          nia = cia + pcdisp;
          if (TRACE_CALL_P)
            TRACE_ACTION |= TRACE_ACTION_CALL;
        }

_BRA,00110,11,6.RA,_IMM12:BRA:short:mu:BSRTNZ imm
"bsrtnz <pcdisp>"
        if (val_Ra != 0) {
          if (cia == RPT_E && PSW_VAL (PSW_RP))
            WRITE32_QUEUE (&GPR[62], RPT_S);
          else
            WRITE32_QUEUE (&GPR[62], cia + 8);
          nia = cia + pcdisp;
          if (TRACE_CALL_P)
            TRACE_ACTION |= TRACE_ACTION_CALL;
        }

_BRA,00110,11,6.RA,6.**,_IMM32:BRA:long:mu:BSRTNZ imm long
"bsrtnz <pcdisp>"
        if (val_Ra != 0) {
          if (cia == RPT_E && PSW_VAL (PSW_RP))
            WRITE32_QUEUE (&GPR[62], RPT_S);
          else
            WRITE32_QUEUE (&GPR[62], cia + 8);
          nia = cia + pcdisp;
          if (TRACE_CALL_P)
            TRACE_ACTION |= TRACE_ACTION_CALL;
        }


// BSRTZR

_BRA,00110,00,6.RA,6.**,6.RC:BRA:short:mu:BSRTZR
"bsrtzr r<RC>"
        if (val_Ra == 0) {
          if (cia == RPT_E && PSW_VAL (PSW_RP))
            WRITE32_QUEUE (&GPR[62], RPT_S);
          else
            WRITE32_QUEUE (&GPR[62], cia + 8);
          nia = cia + pcdisp;
          if (TRACE_CALL_P)
            TRACE_ACTION |= TRACE_ACTION_CALL;
        }

_BRA,00110,10,6.RA,_IMM12:BRA:short:mu:BSRTZR imm
"bsrtzr <pcdisp>"
        if (val_Ra == 0) {
          if (cia == RPT_E && PSW_VAL (PSW_RP))
            WRITE32_QUEUE (&GPR[62], RPT_S);
          else
            WRITE32_QUEUE (&GPR[62], cia + 8);
          nia = cia + pcdisp;
          if (TRACE_CALL_P)
            TRACE_ACTION |= TRACE_ACTION_CALL;
        }

_BRA,00110,10,6.RA,6.**,_IMM32:BRA:long:mu:BSRTZR imm long
"bsrtzr <pcdisp>"
        if (val_Ra == 0) {
          if (cia == RPT_E && PSW_VAL (PSW_RP))
            WRITE32_QUEUE (&GPR[62], RPT_S);
          else
            WRITE32_QUEUE (&GPR[62], cia + 8);
          nia = cia + pcdisp;
          if (TRACE_CALL_P)
            TRACE_ACTION |= TRACE_ACTION_CALL;
        }


// BTST

_LOGIC,00000,00,***,3.FA,6.RB,6.RC:LOGIC:short:iu,mu:BTST
"btst f<FA>, r<RB>, r<RC>"
        int bit = (Rc) % 32;
        PSW_FLAG_SET_QUEUE(FA, MASKED32(Rb, bit, bit));
_LOGIC,00000,10,***,3.FA,6.RB,_IMM6:LOGIC:short:iu,mu:BTST imm
"btst f<FA>, r<RB>, <imm>"
        int bit = imm % 32;
        PSW_FLAG_SET_QUEUE(FA, MASKED32(Rb, bit, bit));



// CMPcc

void::function::do_cmp_cc:int cc, int fa, signed32 rb, signed32 rc
        int value = 0;
        switch (cc) {
        case 0: /* EQ */
          value = (rb == rc);
          break;
        case 1: /* NE */
          value = (rb != rc);
          break;
        case 2: /* GT */
          value = (rb > rc);
          break;
        case 3: /* GE */
          value = (rb >= rc);
          break;
        case 4: /* LT */
          value = (rb < rc);
          break;
        case 5: /* LE */
          value = (rb <= rc);
          break;
        case 6: /* PS */
          value = ((rb >= 0) && (rc >= 0));
          break;
        case 7: /* NG */
          value = ((rb < 0) && (rc < 0));
          break;
        default:
          sim_engine_abort (SD, CPU, cia, "do_cmp_cc - internal error - bad switch (%d)", cc);
        }
        PSW_FLAG_SET_QUEUE(fa, value);

::%s::ccc:int ccc
        switch (ccc)
          {
          case 0: return "eq";
          case 1: return "ne";
          case 2: return "gt";
          case 3: return "ge";
          case 4: return "lt";
          case 5: return "le";
          case 6: return "ps";
          case 7: return "ng";
          default: return "?";
          }

_LOGIC,01100,00,ccc,3.FA,6.RB,6.RC:LOGIC:short:iu,mu:CMPcc
"cmp%s<ccc> f<FA>, r<RB>, r<RC>"
        do_cmp_cc(_SD, ccc, FA, Rb, Rc);
_LOGIC,01100,10,ccc,3.FA,6.RB,_IMM6:LOGIC:short:iu,mu:CMPcc imm
"cmp%s<ccc> f<FA>, r<RB>, <imm>"
        do_cmp_cc(_SD, ccc, FA, Rb, imm);
_LOGIC,01100,10,ccc,3.FA,6.RB,_IMM32:LOGIC:long:iu,mu:CMPcc imm long
"cmp%s<ccc> f<FA>, r<RB>, <imm>"
        do_cmp_cc(_SD, ccc, FA, Rb, imm);



// CMPUcc

void::function::do_cmpu_cc:int cc, int fa, unsigned32 rb, unsigned32 rc
        int value = 0;
        switch (cc) {
        case 2: /* GT */
          value = (rb > rc);
          break;
        case 3: /* GE */
          value = (rb >= rc);
          break;
        case 4: /* LT */
          value = (rb < rc);
          break;
        case 5: /* LE */
          value = (rb <= rc);
          break;
        default:
          sim_engine_abort (SD, CPU, cia, "do_cmpu_cc - internal error - bad switch (%d)", cc);
        }
        PSW_FLAG_SET_QUEUE(fa, value);

_LOGIC,01101,00,ccc,3.FA,6.RB,6.RC:LOGIC:short:iu,mu:CMPUcc
"cmpu%s<ccc> f<FA>, r<RB>, r<RC>"
        do_cmpu_cc(_SD, ccc, FA, Rb, Rc);
_LOGIC,01101,10,ccc,3.FA,6.RB,_IMM6:LOGIC:short:iu,mu:CMPUcc imm
"cmpu%s<ccc> f<FA>, r<RB>, <imm>"
        do_cmpu_cc(_SD, ccc, FA, Rb, imm_6u);
_LOGIC,01101,10,ccc,3.FA,6.RB,_IMM32:LOGIC:long:iu,mu:CMPUcc imm long
"cmpu%s<ccc> f<FA>, r<RB>, <imm>"
        do_cmpu_cc(_SD, ccc, FA, Rb, imm);



// DBRA

void::function::do_dbra:address_word pcdisp, unsigned32 ra
        PSW_SET_QUEUE (PSW_RP, 1);
        WRITE32_QUEUE (&RPT_C, 1);
        WRITE32_QUEUE (&RPT_S, cia + pcdisp);
        WRITE32_QUEUE (&RPT_E, cia + (ra & ~0x7));

_BRA,10000,00,6.RA,6.**,6.RC:BRA:short:mu:DBRA
"dbra r<RA>, r<RC>"
        do_dbra(_SD, pcdisp, val_Ra);
_BRA,10000,10,6.RA,_IMM12:BRA:short:mu:DBRA imm
"dbra r<RA>, <pcdisp>"
        do_dbra(_SD, pcdisp, val_Ra);
_BRA,10000,10,6.RA,6.**,_IMM32:BRA:long:mu:DBRA imm long
"dbra r<RA>, <pcdisp>"
        do_dbra(_SD, pcdisp, val_Ra);



// DBRAI

void::function::do_dbrai:address_word pcdisp, unsigned32 imm
        PSW_SET_QUEUE (PSW_RP, 1);
        WRITE32_QUEUE (&RPT_C, 1);
        WRITE32_QUEUE (&RPT_S, cia + pcdisp);
        WRITE32_QUEUE (&RPT_E, cia + (imm << 3));

_BRA,10100,00,6.IMM_6,6.**,6.RC:BRA:short:mu:DBRAI
"dbrai <IMM_6>, r<RC>"
        do_dbrai(_SD, pcdisp, IMM_6);
_BRA,10100,10,6.IMM_6,_IMM12:BRA:short:mu:DBRAI imm
"dbrai <IMM_6>, <pcdisp>"
        do_dbrai(_SD, pcdisp, IMM_6);
_BRA,10100,10,6.IMM_6,6.**,_IMM32:BRA:long:mu:DBRAI imm long
"dbrai <IMM_6>, <pcdisp>"
        do_dbrai(_SD, pcdisp, IMM_6);



// DBSR

void::function::do_dbsr:address_word pcdisp, unsigned32 ra
        PSW_SET_QUEUE (PSW_RP, 1);
        WRITE32_QUEUE (&RPT_C, 1);
        WRITE32_QUEUE (&RPT_S, cia + pcdisp);
        WRITE32_QUEUE (&RPT_E, cia + ra);
        WRITE32_QUEUE (&GPR[62], cia + ra + 8);

_BRA,10010,00,6.RA,6.**,6.RC:BRA:short:mu:DBSR
"dbsr r<RA>, r<RC>"
        do_dbsr(_SD, pcdisp, val_Ra);
_BRA,10010,10,6.RA,_IMM12:BRA:short:mu:DBSR imm
"dbsr r<RA>, <pcdisp>"
        do_dbsr(_SD, pcdisp, val_Ra);
_BRA,10010,10,6.RA,6.**,_IMM32:BRA:long:mu:DBSR imm long
"dbsr r<RA>, <pcdisp>"
        do_dbsr(_SD, pcdisp, val_Ra);



// DBSRI

void::function::do_dbsri:address_word pcdisp, unsigned32 imm
        PSW_SET_QUEUE (PSW_RP, 1);
        WRITE32_QUEUE (&RPT_C, 1);
        WRITE32_QUEUE (&RPT_S, cia + pcdisp);
        WRITE32_QUEUE (&RPT_E, cia + (imm << 3));
        WRITE32_QUEUE (&GPR[62], cia + (imm << 3) + 8);

_BRA,10110,00,6.IMM_6,6.**,6.RC:BRA:short:mu:DBSRI
"dbsri <IMM_6>, r<RC>"
        do_dbsri(_SD, pcdisp, IMM_6);
_BRA,10110,10,6.IMM_6,_IMM12:BRA:short:mu:DBSRI imm
"dbsri <IMM_6>, <pcdisp>"
        do_dbsri(_SD, pcdisp, IMM_6);
_BRA,10110,10,6.IMM_6,6.**,_IMM32:BRA:long:mu:DBSRI imm long
"dbsri <IMM_6>, <pcdisp>"
        do_dbsri(_SD, pcdisp, IMM_6);



// DBT


_BRA,01011,00,6.**,6.**,6.**:BRA:short:mu:DBT
"dbt"
        if (cia == RPT_E && PSW_VAL (PSW_RP))
          {
            WRITE32_QUEUE (&DPC, RPT_S);
            if (RPT_C == 0)
              PSW_SET (PSW_RP, 0);
          }
        else
          WRITE32_QUEUE (&DPC, cia + 8);
        DID_TRAP = 2;
        nia = 0xfffff120; /* debug_trap_address */

// DJMP

void::function::do_djmp:address_word pcdisp, unsigned32 ra
        PSW_SET_QUEUE (PSW_RP, 1);
        WRITE32_QUEUE (&RPT_C, 1);
        WRITE32_QUEUE (&RPT_S, pcdisp);
        WRITE32_QUEUE (&RPT_E, cia + (ra & ~0x7));

_BRA,10001,00,6.RA,6.**,6.RC:BRA:short:mu:DJMP
"djmp r<RA>, r<RC>"
        do_djmp(_SD, pcdisp, val_Ra);
_BRA,10001,10,6.RA,_IMM12:BRA:short:mu:DJMP imm
"djmp r<RA>, <pcdisp>"
        do_djmp(_SD, pcdisp, val_Ra);
_BRA,10001,10,6.RA,6.**,_IMM32:BRA:long:mu:DJMP imm long
"djmp r<RA>, <pcdisp>"
        do_djmp(_SD, pcdisp, val_Ra);



// DJMPI

void::function::do_djmpi:address_word pcdisp, unsigned32 imm
        PSW_SET_QUEUE (PSW_RP, 1);
        WRITE32_QUEUE (&RPT_C, 1);
        WRITE32_QUEUE (&RPT_S, pcdisp);
        WRITE32_QUEUE (&RPT_E, cia + (imm << 3));

_BRA,10101,00,6.IMM_6,6.**,6.RC:BRA:short:mu:DJMPI
"djmpi <IMM_6>, r<RC>"
        do_djmpi(_SD, pcdisp, IMM_6);
_BRA,10101,10,6.IMM_6,_IMM12:BRA:short:mu:DJMPI imm
"djmpi <IMM_6>, <pcdisp>"
        do_djmpi(_SD, pcdisp, IMM_6);
_BRA,10101,10,6.IMM_6,6.**,_IMM32:BRA:long:mu:DJMPI imm long
"djmpi <IMM_6>, <pcdisp>"
        do_djmpi(_SD, pcdisp, IMM_6);



// DJSR

void::function::do_djsr:address_word pcdisp, unsigned32 ra
        PSW_SET_QUEUE (PSW_RP, 1);
        WRITE32_QUEUE (&RPT_C, 1);
        WRITE32_QUEUE (&RPT_S, pcdisp);
        WRITE32_QUEUE (&RPT_E, cia + (ra & ~0x7));
        WRITE32_QUEUE (&GPR[62], cia + (ra & ~0x7) + 8);

_BRA,10011,00,6.RA,6.**,6.RC:BRA:short:mu:DJSR
"djsr r<RA>, r<RC>"
        do_djsr(_SD, pcdisp, val_Ra);
_BRA,10011,10,6.RA,_IMM12:BRA:short:mu:DJSR imm
"djsr r<RA>, <pcdisp>"
        do_djsr(_SD, pcdisp, val_Ra);
_BRA,10011,10,6.RA,6.**,_IMM32:BRA:long:mu:DJSR imm long
"djsr r<RA>, <pcdisp>"
        do_djsr(_SD, pcdisp, val_Ra);



// DJSRI

void::function::do_djsri:address_word pcdisp, unsigned32 imm
        PSW_SET_QUEUE (PSW_RP, 1);
        WRITE32_QUEUE (&RPT_C, 1);
        WRITE32_QUEUE (&RPT_S, pcdisp);
        WRITE32_QUEUE (&RPT_E, cia + (imm << 3));
        WRITE32_QUEUE (&GPR[62], cia + (imm << 3) + 8);

_BRA,10111,00,6.IMM_6,6.**,6.RC:BRA:short:mu:DJSRI
"djsri <IMM_6>, r<RC>"
        do_djsri(_SD, pcdisp, IMM_6);
_BRA,10111,10,6.IMM_6,_IMM12:BRA:short:mu:DJSRI imm
"djsri <IMM_6>, <pcdisp>"
        do_djsri(_SD, pcdisp, IMM_6);
_BRA,10111,10,6.IMM_6,6.**,_IMM32:BRA:long:mu:DJSRI imm long
"djsri <IMM_6>, <pcdisp>"
        do_djsri(_SD, pcdisp, IMM_6);



// JMP

_BRA,00001,00,6.**,6.**,6.RC:BRA:short:mu:JMP
"jmp r<RC>"
        nia = pcaddr;
        if (RC == 62 && TRACE_CALL_P)
          TRACE_ACTION |= TRACE_ACTION_RETURN;
_BRA,00001,10,_IMM18:BRA:short:mu:JMP imm
"jmp <pcdisp>"
        nia = pcaddr;
_BRA,00001,10,6.**,6.**,_IMM32:BRA:long:mu:JMP imm long
"jmp <pcdisp>"
        nia = pcaddr;



// JMPTNZ

_BRA,00101,01,6.RA,6.**,6.RC:BRA:short:mu:JMPTNZ
"jmptnz r<RC>"
        if (val_Ra != 0)
          nia = pcaddr;
_BRA,00101,11,6.RA,_IMM12:BRA:short:mu:JMPTNZ imm
"jmptnz <pcdisp>"
        if (val_Ra != 0)
          nia = pcaddr;
_BRA,00101,11,6.RA,6.**,_IMM32:BRA:long:mu:JMPTNZ imm long
"jmptnz <pcdisp>"
        if (val_Ra != 0)
          nia = pcaddr;



// JMPTZR

_BRA,00101,00,6.RA,6.**,6.RC:BRA:short:mu:JMPTZR
"jmptzr r<RC>"
        if (val_Ra == 0)
          nia = pcaddr;
_BRA,00101,10,6.RA,_IMM12:BRA:short:mu:JMPTZR imm
"jmptzr <pcdisp>"
        if (val_Ra == 0)
          nia = pcaddr;
_BRA,00101,10,6.RA,6.**,_IMM32:BRA:long:mu:JMPTZR imm long
"jmptzr <pcdisp>"
        if (val_Ra == 0)
          nia = pcaddr;



// JOINpp 

void::function::do_join_pp:int pp, unsigned32 *ra, unsigned32 rb, unsigned32 src
        switch (pp) {
        case 0x0: /* LL */
          WRITE32_QUEUE (ra, ((unsigned32)VL2_4(rb) << 16) | VL2_4(src));
          break;
        case 0x1: /* LH */
          WRITE32_QUEUE (ra, ((unsigned32)VL2_4(rb) << 16) | VH2_4(src));
          break;
        case 0x2: /* HL */
          WRITE32_QUEUE (ra, ((unsigned32)VH2_4(rb) << 16) | VL2_4(src));
          break;
        case 0x3: /* HH */
          WRITE32_QUEUE (ra, ((unsigned32)VH2_4(rb) << 16) | VH2_4(src));
          break;
        }

::%s::pp:int pp
        switch (pp)
          {
          case 0x0: return "ll";
          case 0x1: return "lh";
          case 0x2: return "hl";
          case 0x3: return "hh";
          default: return "?";
          }

_IALU1,011,pp,00,6.RA,6.RB,6.RC:IALU1:short:iu,mu:JOINpp
"join%s<pp> r<RA>, r<RB>, r<RC>"
        do_join_pp(_SD, pp, Ra, Rb, Rc);
_IALU1,011,pp,10,6.RA,6.RB,_IMM6:IALU1:short:iu,mu:JOINpp imm
"join%s<pp> r<RA>, r<RB>, <imm>"
        do_join_pp(_SD, pp, Ra, Rb, immHL);
_IALU1,011,pp,10,6.RA,6.RB,_IMM32:IALU1:long:iu,mu:JOINpp imm long
"join%s<pp> r<RA>, r<RB>, <imm>"
        do_join_pp(_SD, pp, Ra, Rb, immHL);



// JSR

_BRA,00011,00,6.**,6.**,6.RC:BRA:short:mu:JSR
"jsr r<RC>"
        if (cia == RPT_E && PSW_VAL (PSW_RP))
          WRITE32_QUEUE (&GPR[62], RPT_S);
        else
          WRITE32_QUEUE (&GPR[62], cia + 8);
        if (TRACE_CALL_P)
          TRACE_ACTION |= TRACE_ACTION_CALL;
        return pcaddr;
_BRA,00011,10,_IMM18:BRA:short:mu:JSR imm
"jsr <pcdisp>"
        if (cia == RPT_E && PSW_VAL (PSW_RP))
          WRITE32_QUEUE (&GPR[62], RPT_S);
        else
          WRITE32_QUEUE (&GPR[62], cia + 8);
        if (TRACE_CALL_P)
          TRACE_ACTION |= TRACE_ACTION_CALL;
        return pcaddr;
_BRA,00011,10,6.**,6.**,_IMM32:BRA:long:mu:JSR imm long
"jsr <pcdisp>"
        if (cia == RPT_E && PSW_VAL (PSW_RP))
          WRITE32_QUEUE (&GPR[62], RPT_S);
        else
          WRITE32_QUEUE (&GPR[62], cia + 8);
        if (TRACE_CALL_P)
          TRACE_ACTION |= TRACE_ACTION_CALL;
        return pcaddr;


// JSRTNZ

_BRA,00111,01,6.RA,6.**,6.RC:BRA:short:mu:JSRTNZ
"jsrtnz r<RC>"
        if (val_Ra != 0) {
          if (cia == RPT_E && PSW_VAL (PSW_RP))
            WRITE32_QUEUE (&GPR[62], RPT_S);
          else
            WRITE32_QUEUE (&GPR[62], cia + 8);
          nia = pcaddr;
          if (TRACE_CALL_P)
            TRACE_ACTION |= TRACE_ACTION_CALL;
        }
_BRA,00111,11,6.RA,_IMM12:BRA:short:mu:JSRTNZ imm
"jsrtnz <pcdisp>"
        if (val_Ra != 0) {
          if (cia == RPT_E && PSW_VAL (PSW_RP))
            WRITE32_QUEUE (&GPR[62], RPT_S);
          else
            WRITE32_QUEUE (&GPR[62], cia + 8);
          nia = pcaddr;
          if (TRACE_CALL_P)
            TRACE_ACTION |= TRACE_ACTION_CALL;
        }
_BRA,00111,11,6.RA,6.**,_IMM32:BRA:long:mu:JSRTNZ imm long
"jsrtnz <pcdisp>"
        if (val_Ra != 0) {
          if (cia == RPT_E && PSW_VAL (PSW_RP))
            WRITE32_QUEUE (&GPR[62], RPT_S);
          else
            WRITE32_QUEUE (&GPR[62], cia + 8);
          nia = pcaddr;
          if (TRACE_CALL_P)
            TRACE_ACTION |= TRACE_ACTION_CALL;
        }



// JSRTZR

_BRA,00111,00,6.RA,6.**,6.RC:BRA:short:mu:JSRTZR
"jsrtzr r<RC>"
        if (val_Ra == 0) {
          if (cia == RPT_E && PSW_VAL (PSW_RP))
            WRITE32_QUEUE (&GPR[62], RPT_S);
          else
            WRITE32_QUEUE (&GPR[62], cia + 8);
          nia = pcaddr;
          if (TRACE_CALL_P)
            TRACE_ACTION |= TRACE_ACTION_CALL;
        }
_BRA,00111,10,6.RA,_IMM12:BRA:short:mu:JSRTZR imm
"jsrtzr <pcdisp>"
        if (val_Ra == 0) {
          if (cia == RPT_E && PSW_VAL (PSW_RP))
            WRITE32_QUEUE (&GPR[62], RPT_S);
          else
            WRITE32_QUEUE (&GPR[62], cia + 8);
          nia = pcaddr;
          if (TRACE_CALL_P)
            TRACE_ACTION |= TRACE_ACTION_CALL;
        }
_BRA,00111,10,6.RA,6.**,_IMM32:BRA:long:mu:JSRTZR imm long
"jsrtzr <pcdisp>"
        if (val_Ra == 0) {
          if (cia == RPT_E && PSW_VAL (PSW_RP))
            WRITE32_QUEUE (&GPR[62], RPT_S);
          else
            WRITE32_QUEUE (&GPR[62], cia + 8);
          nia = pcaddr;
          if (TRACE_CALL_P)
            TRACE_ACTION |= TRACE_ACTION_CALL;
        }



// Post increment

void::function::do_incr:int x, unsigned32 *rb, int delta
        unsigned32 next_rb;
        if (x == 1)
          next_rb = *rb + delta;
        else if (x == 3)
          next_rb = *rb - delta;
        else
          next_rb = *rb; /* value not used */
        /* HW erratum: check value after incrementing */
        if (next_rb == MOD_E
            && (x == 1 || x == 3)
            && (PSW_VAL(PSW_MD))) {
          WRITE32_QUEUE (rb, MOD_S);
        }
        else if (x == 1 || x == 3)
          WRITE32_QUEUE (rb, next_rb);

// LD2H

int::function::make_even_reg:int reg, const char *name
        if (reg & 1)
          sim_engine_abort (SD, CPU, cia,
                            "0x%lx:%s odd register (r%d) used in multi-word load/mulx2h",
                            (long) cia, name, reg);
        return reg;

void::function::do_ld2h:int ra, unsigned32 rb, unsigned32 src
        signed32 mem;
        ra = make_even_reg(_SD, ra, "LD2H");
        mem = MEM(signed, rb + src, 4);
        if (ra != 0)
        {
          WRITE32_QUEUE (&GPR[ra + 0], SEXT32(EXTRACTED32(mem, 0, 15), 16));
          WRITE32_QUEUE (&GPR[ra + 1], SEXT32(EXTRACTED32(mem, 16, 31), 16));
        }

::%s::XX:int XX
        switch (XX)
          {
          case 0: return "";
          case 1: return "+";
          case 3: return "-";
          default: return "?";
          }

_IMEM,00011,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:LD2H
"ld2h r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"ld2h r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_ld2h(_SD, RA, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 4);
_IMEM,00011,10,6.RA,6.RB,_IMM32:IMEM:long:mu:LD2H long
"ld2h r<RA>, @(r<RB>, <imm>)"
        do_ld2h(_SD, RA, Rb, imm);



// LD2W

void::function::do_ld2w:int ra, unsigned32 rb, unsigned32 src
        unsigned64 mem;
        ra = make_even_reg(_SD, ra, "LD2W");
        mem = MEM(unsigned, rb + src, 8);
        if (ra != 0)
        {
          WRITE32_QUEUE (&GPR[ra + 0], EXTRACTED64 (mem, 0, 31));
          WRITE32_QUEUE (&GPR[ra + 1], EXTRACTED64 (mem, 32, 63));
        }

_IMEM,00110,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:L2W
"ld2w r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"ld2w r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_ld2w(_SD, RA, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 8);
_IMEM,00110,10,6.RA,6.RB,_IMM32:IMEM:long:mu:L2W long
"ld2w r<RA>, @(r<RB>, <imm>)"
        do_ld2w(_SD, RA, Rb, imm);



// LD4BH

void::function::do_ld4bh:unsigned32 ra, unsigned32 rb, unsigned32 src
        unsigned16 l1, l2, h1, h2;
        unsigned32 mem;
        ra = make_even_reg(_SD, ra, "LD4BH");
        mem = MEM(unsigned, rb + src, 4);
        h1 = SEXT16(EXTRACTED32(mem, 0, 7), 8);
        l1 = SEXT16(EXTRACTED32(mem, 8, 15), 8);
        h2 = SEXT16(EXTRACTED32(mem, 16, 23), 8);
        l2 = SEXT16(EXTRACTED32(mem, 24, 31), 8);
        if (ra != 0)
        {
          WRITE32_QUEUE (&GPR[ra + 0], (h1 << 16) | l1);
          WRITE32_QUEUE (&GPR[ra + 1], (h2 << 16) | l2);
        }

_IMEM,00101,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:LD4BH
"ld4bh r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"ld4bh r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_ld4bh(_SD, RA, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 4);
_IMEM,00101,10,6.RA,6.RB,_IMM32:IMEM:long:mu:LD4BH long
"ld4bh r<RA>, @(r<RB>, <imm>)"
        do_ld4bh(_SD, RA, Rb, imm);



// LD4BHU

void::function::do_ld4bhu:unsigned32 ra, unsigned32 rb, unsigned32 src
        unsigned16 l1, l2, h1, h2;
        unsigned32 mem;
        ra = make_even_reg(_SD, ra, "LD4BH");
        mem = MEM(signed, rb + src, 4);
        h1 = EXTRACTED32(mem, 0, 7);
        l1 = EXTRACTED32(mem, 8, 15);
        h2 = EXTRACTED32(mem, 16, 23);
        l2 = EXTRACTED32(mem, 24, 31);
        if (ra != 0)
        {
          WRITE32_QUEUE (&GPR[ra + 0], (h1 << 16) | l1);
          WRITE32_QUEUE (&GPR[ra + 1], (h2 << 16) | l2);
        }

_IMEM,01101,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:LD4BHU
"ld4hbu r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"ld4hbu r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_ld4bhu(_SD, RA, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 4);
_IMEM,01101,10,6.RA,6.RB,_IMM32:IMEM:long:mu:LD4BHU long
"ld4hbu r<RA>, @(r<RB>, <imm>)"
        do_ld4bhu(_SD, RA, Rb, imm);



// LDB

void::function::do_ldb:unsigned32 *ra, unsigned32 rb, unsigned32 src
        WRITE32_QUEUE (ra, MEM(signed, rb + src, 1));

_IMEM,00000,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:LDB
"ldb r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"ldb r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_ldb(_SD, Ra, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 1);
_IMEM,00000,10,6.RA,6.RB,_IMM32:IMEM:long:mu:LDB long
"ldb r<RA>, @(r<RB>, <imm>)"
        do_ldb(_SD, Ra, Rb, imm);



// LDBU

void::function::do_ldbu:unsigned32 *ra, unsigned32 rb, unsigned32 src
        WRITE32_QUEUE (ra, MEM(unsigned, rb + src, 1));

_IMEM,01001,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:LDBU
"ldbu r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"ldbu r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_ldbu(_SD, Ra, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 1);
_IMEM,01001,10,6.RA,6.RB,_IMM32:IMEM:long:mu:LDBU long
"ldbu r<RA>, @(r<RB>, <imm>)"
        do_ldbu(_SD, Ra, Rb, imm);



// LDH

void::function::do_ldh:unsigned32 *ra, unsigned32 rb, unsigned32 src
        WRITE32_QUEUE (ra, MEM(signed, rb + src, 2));

_IMEM,00010,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:LDH
"ldh r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"ldh r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_ldh(_SD, Ra, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 2);
_IMEM,00010,10,6.RA,6.RB,_IMM32:IMEM:long:mu:LDH long
"ldh r<RA>, @(r<RB>, <imm>)"
        do_ldh(_SD, Ra, Rb, imm);



// LDHH

void::function::do_ldhh:unsigned32 *ra, unsigned32 rb, unsigned32 src
        WRITE32_QUEUE (ra, MEM(signed, rb + src, 2) << 16);

_IMEM,00001,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:LDHH
"ldhh r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"ldhh r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_ldhh(_SD, Ra, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 2);
_IMEM,00001,10,6.RA,6.RB,_IMM32:IMEM:long:mu:LDHH long
"ldhh r<RA>, @(r<RB>, <imm>)"
        do_ldhh(_SD, Ra, Rb, imm);



// LDHU

void::function::do_ldhu:unsigned32 *ra, unsigned32 rb, unsigned32 src
        WRITE32_QUEUE (ra, MEM(unsigned, rb + src, 2));

_IMEM,01010,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:LDHU
"ldhu r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"ldhu r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_ldhu(_SD, Ra, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 2);
_IMEM,01010,10,6.RA,6.RB,_IMM32:IMEM:long:mu:LDHU long
"ldhu r<RA>, @(r<RB>, <imm>)"
        do_ldhu(_SD, Ra, Rb, imm);



// LDW

void::function::do_ldw:unsigned32 *ra, unsigned32 rb, unsigned32 src
        WRITE32_QUEUE (ra, MEM(signed, rb + src, 4));

_IMEM,00100,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:LDW
"ldw r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"ldw r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_ldw(_SD, Ra, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 4);
_IMEM,00100,10,6.RA,6.RB,_IMM32:IMEM:long:mu:LDW long
"ldw r<RA>, @(r<RB>, <imm>)"
        do_ldw(_SD, Ra, Rb, imm);



// MACa

void::function::do_mac:unsigned64 *aa, unsigned32 *ra, signed32 rb, signed32 src
        unsigned64 accum = *aa;
        accum += (signed64) (rb) * (signed64) (src);
        WRITE64_QUEUE (aa, accum);
        WRITE32_QUEUE (ra, EXTRACTED64(accum, 32, 63));

_IALU2,10100,0,1.AA,6.RA,6.RB,6.RC:IALU2:short:iu:MACa
"mac<AA> r<RA>, r<RB>, r<RC>"
        do_mac(_SD, Aa, Ra, Rb, Rc);    
_IALU2,10100,1,1.AA,6.RA,6.RB,_IMM6:IALU2:short:iu:MACa imm
"mac<AA> r<RA>, r<RB>, <imm>"
        do_mac(_SD, Aa, Ra, Rb, imm);



// MACSa

void::function::do_macs:unsigned64 *aa, unsigned32 *ra, signed32 rb, signed32 src
        unsigned64 accum = *aa;
        accum += ((signed64) (rb) * (signed64) (src)) << 1;
        WRITE64_QUEUE (aa, accum);
        WRITE32_QUEUE (ra, EXTRACTED64(accum, 0, 31));

_IALU2,10101,0,1.AA,6.RA,6.RB,6.RC:IALU2:short:iu:MACSa
"macs<AA> r<RA>, r<RB>, r<RC>"
        do_macs(_SD, Aa, Ra, Rb, Rc);   
_IALU2,10101,1,1.AA,6.RA,6.RB,_IMM6:IALU2:short:iu:MACSa imm
"macs<AA> r<RA>, r<RB>, <imm>"
        do_macs(_SD, Aa, Ra, Rb, imm);



// MODDEC | MODINC

_IMEM,00111,11,6.**,6.RB,_IMM6:IMEM:short:mu:MODDEC
"moddec r<RB>, <imm>"
        do_incr(_SD, 3/*0b11*/, &GPR[RB], imm_5);       
_IMEM,00111,01,6.**,6.RB,_IMM6:IMEM:short:mu:MODINC
"modinc r<RB>, <imm>"
        do_incr(_SD, 1/*0b01*/, &GPR[RB], imm_5);       



// MSUBa

void::function::do_msub:unsigned64 *aa, unsigned32 *ra, signed32 rb, signed32 src
        unsigned64 accum = *aa;
        accum -= (signed64) (rb) * (signed64) (src);
        WRITE64_QUEUE (aa, accum);
        WRITE32_QUEUE (ra, EXTRACTED64(accum, 32, 63));

_IALU2,10110,0,1.AA,6.RA,6.RB,6.RC:IALU2:short:iu:MSUBa
"msub<AA> r<RA>, r<RB>, r<RC>"
        do_msub(_SD, Aa, Ra, Rb, Rc);   
_IALU2,10110,1,1.AA,6.RA,6.RB,_IMM6:IALU2:short:iu:MSUBa imm
"msub<AA> r<RA>, r<RB>, <imm>"
        do_msub(_SD, Aa, Ra, Rb, imm);



// MSUBSa

void::function::do_msubs:unsigned64 *aa, unsigned32 *ra, signed32 rb, signed32 src
        unsigned64 accum = *aa;
        accum -= ((signed64) (rb) * (signed64) (src)) << 1;
        WRITE64_QUEUE (aa, accum);
        WRITE32_QUEUE (ra, EXTRACTED64(accum, 0, 31));

_IALU2,10111,0,1.AA,6.RA,6.RB,6.RC:IALU2:short:iu:MSUBSa
"msubs<AA> r<RA>, r<RB>, r<RC>"
        do_msubs(_SD, Aa, Ra, Rb, Rc);  
_IALU2,10111,1,1.AA,6.RA,6.RB,_IMM6:IALU2:short:iu:MSUBSa imm
"msubs<AA> r<RA>, r<RB>, <imm>"
        do_msubs(_SD, Aa, Ra, Rb, imm);



// MUL

void::function::do_mul:unsigned32 *ra, unsigned32 rb, unsigned32 src
        WRITE32_QUEUE (ra, rb * src);

_IALU2,10000,00,6.RA,6.RB,6.RC:IALU2:short:iu:MUL
"mul r<RA>, r<RB>, r<RC>"
        do_mul(_SD, Ra, Rb, Rc);        
_IALU2,10000,10,6.RA,6.RB,_IMM6:IALU2:short:iu:MUL imm
"mul r<RA>, r<RB>, <imm>"
        do_mul(_SD, Ra, Rb, imm);



// MUL2H

void::function::do_mul2h:unsigned32 *ra, unsigned32 rb, unsigned32 src
        unsigned16 high = VH2_4(rb) * VH2_4(src);
        unsigned16 low  = VL2_4(rb) * VL2_4(src);
        WRITE32_QUEUE (ra, (high << 16) | low);

_IALU2,00000,00,6.RA,6.RB,6.RC:IALU2:short:iu:MUL2H
"mul2h r<RA>, r<RB>, r<RC>"
        do_mul2h(_SD, Ra, Rb, Rc);      
_IALU2,00000,10,6.RA,6.RB,_IMM6:IALU2:short:iu:MUL2H imm
"mul2h r<RA>, r<RB>, <imm>"
        do_mul2h(_SD, Ra, Rb, immHL);



// MULX

void::function::do_mulx:unsigned64 *aa, signed32 rb, signed32 src
        WRITE64_QUEUE (aa, (signed64) (rb) * (signed64) (src));

_IALU2,11000,00,5.*,1.AA,6.RB,6.RC:IALU2:short:iu:MULX
"mulx a<AA>, r<RB>, r<RC>"
        do_mulx(_SD, Aa, Rb, Rc);       
_IALU2,11000,10,5.*,1.AA,6.RB,_IMM6:IALU2:short:iu:MULX imm
"mulx a<AA>, r<RB>, <imm>"
        do_mulx(_SD, Aa, Rb, imm);


// MULX2H

void::function::do_mulx2h:int ra, signed32 rb, signed32 src, int high
        signed32 result = rb * src;
        if (!high)
          {
            ra = make_even_reg(_SD, ra, "MULX2H");
            if (ra != 0)
              WRITE32_QUEUE (&GPR[ra+1], result);
          }
        else if (ra != 0)
          {
              WRITE32_QUEUE (&GPR[ra+0], result);
          }

_IALU2,00001,00,6.RA,6.RB,6.RC:IALU2:short:iu:MULX2H
"mul2h r<RA>, r<RB>, r<RC>"
        do_mulx2h(_SD, RA, RbH, RcH, 1);
        do_mulx2h(_SD, RA, RbL, RcL, 0);
_IALU2,00001,10,6.RA,6.RB,_IMM6:IALU2:short:iu:MULX2H imm
"mul2h r<RA>, r<RB>, <imm>"
        do_mulx2h(_SD, RA, RbH, imm, 1);
        do_mulx2h(_SD, RA, RbL, imm, 0);

// MULHXpp

void::function::do_mulhx:int pp, unsigned32 *ra, unsigned32 rb, unsigned32 src
        signed32 value = 0;
        switch (pp) {
        case 0: /* LL */
          value = SEXT32(VL2_4(rb), 16) * SEXT32(VL2_4(src), 16);
          break;
        case 1: /* LH */
          value = SEXT32(VL2_4(rb), 16) * SEXT32(VH2_4(src), 16);
          break;
        case 2: /* HL */
          value = SEXT32(VH2_4(rb), 16) * SEXT32(VL2_4(src), 16);
          break;
        case 3: /* HH */
          value = SEXT32(VH2_4(rb), 16) * SEXT32(VH2_4(src), 16);
          break;
        default:
          sim_engine_abort (SD, CPU, cia, "do_mulhx - internal error - bad switch");
        }
        WRITE32_QUEUE (ra, value);

_IALU2,001,pp,00,6.RA,6.RB,6.RC:IALU2:short:iu:MULHXpp
"mulhx%s<pp> r<RA>, r<RB>, r<RC>"
        do_mulhx(_SD, pp, Ra, Rb, Rc);  
_IALU2,001,pp,10,6.RA,6.RB,_IMM6:IALU2:short:iu:MULHXpp imm
"mulhx%s<pp> r<RA>, r<RB>, <imm>"
        do_mulhx(_SD, pp, Ra, Rb, immHL);



// MULXS

void::function::do_mulxs:unsigned64 *aa, signed32 rb, signed32 src
        WRITE64_QUEUE (aa, ((signed64) (rb) * (signed64) (src)) << 1);

_IALU2,11001,00,5.*,1.AA,6.RB,6.RC:IALU2:short:iu:MULXS
"mulxs a<AA>, r<RB>, r<RC>"
        do_mulxs(_SD, Aa, Rb, Rc);      
_IALU2,11001,10,5.*,1.AA,6.RB,_IMM6:IALU2:short:iu:MULXS imm
"mulxs a<AA>, r<RB>, <imm>"
        do_mulxs(_SD, Aa, Rb, imm);



// MVFACC

void::function::do_mvfacc:unsigned32 *ra, unsigned64 ab, unsigned32 src
        while (src > 63) src -= 64;
        WRITE32_QUEUE (ra, ((signed64)ab) >> src);

_IALU2,11111,00,6.RA,5.*,1.AB,6.RC:IALU2:short:iu:MVFACC
"mvfacc r<RA>, a<AB>, r<RC>"
        do_mvfacc(_SD, Ra, *Ab, Rc);    
_IALU2,11111,10,6.RA,5.*,1.AB,_IMM6:IALU2:short:iu:MVFACC imm
"mvfacc r<RA>, a<AB>, <imm>"
        do_mvfacc(_SD, Ra, *Ab, imm_6u);



// MVFSYS

_BRA,11110,00,6.RA,6.CR,6.ID:BRA:short:mu:MVFSYS
"mvfsys r<RA>, cr<CR>"
        switch (ID) {
        case 0:
          if (CR >= NR_CONTROL_REGISTERS)
            sim_engine_abort (SD, CPU, cia, "FIXME - illegal CR");
          else
            WRITE32_QUEUE (Ra, (CPU)->regs.control[CR]);
          break;
        case 1:
          WRITE32_QUEUE (Ra, PSWL);
          break;
        case 2:
          WRITE32_QUEUE (Ra, EXTRACTED32(PSWH, 16, 31));
          break;
        case 3:
          WRITE32_QUEUE (Ra, PSW_FLAG_VAL(CR));
          break;
        default:
          sim_engine_abort (SD, CPU, cia, "FIXME - illegal ID");
        }



// MVTACC

_IALU2,01111,00,5.*,1.AA,6.RB,6.RC:IALU2:short:iu:MVTACC
"mvtacc a<AA>, r<RB>, r<RC>"
        WRITE64_QUEUE (Aa, INSERTED64(RbU, 0, 31) | (RcU));



// MVTSYS

_BRA,01110,00,6.CR,6.RB,6.ID:BRA:short:mu:MVTSYS
"mvtsys cr<CR>, r<RB>"
        switch (ID) {
        case 0:                 /* control register */
          if (CR >= NR_CONTROL_REGISTERS)
            sim_engine_abort (SD, CPU, cia, "FIXME - illegal CR");
          else
            {
              unsigned32 value = Rb;
              CPU->mvtsys_left_p = 1;
              if (CR == processor_status_word_cr)
                {
                  unsigned32 ds = PSW & BIT32 (PSW_DS); /* preserve ds */
                  value = ds | (value & PSW_VALID);
                }
              else if (CR == backup_processor_status_word_cr
                       || CR == debug_backup_processor_status_word_cr)
                value &= DPSW_VALID;
              else if (CR == eit_vector_base_cr)
                value &= EIT_VALID;
              WRITE32_QUEUE (&(CPU)->regs.control[CR], value);
            }
          break;
        case 1:                 /* PSWL */
          WRITE32_QUEUE_MASK (&PSW, EXTRACTED32(Rb, 16, 31),
                              PSW_VALID & 0x0000ffff);
          break;
        case 2:                 /* PSWH */
          {
            unsigned32 ds = PSW & BIT32 (PSW_DS);       /* preserve ds */
            WRITE32_QUEUE_MASK (&PSW, (EXTRACTED32(Rb, 16, 31) << 16) | ds,
                                (PSW_VALID | ds) & 0xffff0000);
          }
          break;
        case 3:                 /* FLAG */
          PSW_FLAG_SET_QUEUE(CR, Rb & 1);
          break;
        default:
          sim_engine_abort (SD, CPU, cia, "FIXME - illegal ID");
        }



// NOP

_BRA,01111,00,6.**,6.**,6.**:BRA:short:iu,mu:NOP
"nop"
        /* NOP */;


// NOT

_LOGIC,11001,00,6.RA,6.RB,6.*:LOGIC:short:iu,mu:NOT
"not r<RA>, r<RB>"
        WRITE32_QUEUE (Ra, ~Rb);



// NOTFG

_LOGIC,01001,00,***,3.FA,***,3.FB,***,3.FC:LOGIC:short:iu,mu:NOTFG
"notfg f<FA>, f<FB>"
        PSW_FLAG_SET_QUEUE(FA, !PSW_FLAG_VAL(FB));


// OR

_LOGIC,11010,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:OR
"or r<RA>, r<RB>, r<RC>"
        WRITE32_QUEUE (Ra, Rb | Rc);
_LOGIC,11010,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:OR imm
"or r<RA>, r<RB>, <imm>"
        WRITE32_QUEUE (Ra, Rb | imm);
_LOGIC,11010,10,6.RA,6.RB,_IMM32:LOGIC:long:iu,mu:OR imm long
"or r<RA>, r<RB>, <imm>"
        WRITE32_QUEUE (Ra, Rb | imm);



// ORFG

_LOGIC,01010,00,***,3.FA,***,3.FB,***,3.FC:LOGIC:short:iu,mu:ORFG
"orfg f<FA>, f<FB>, f<FC>"
        PSW_FLAG_SET_QUEUE(FA, PSW_FLAG_VAL(FB) | PSW_FLAG_VAL(FC));
_LOGIC,01010,10,***,3.FA,***,3.FB,_IMM6:LOGIC:short:iu,mu:ORFG imm
"orfg f<FA>, f<FB>, <imm>"
        PSW_FLAG_SET_QUEUE(FA, PSW_FLAG_VAL(FB) | (imm_6 & 1));



// REIT

_BRA,01000,00,6.**,6.**,6.**:BRA:short:mu:REIT
"reit"
        WRITE32_QUEUE (&PSW, bPSW);
        nia = bPC;




// REPEAT

void::function::do_repeat:unsigned32 count, address_word pcaddr
        address_word rpt_s = cia + 8;
        address_word rpt_e = cia + pcaddr;

        if (count == 0)
          sim_engine_abort (SD, CPU, cia, "REPEAT with ra=0 and REPEATI with imm = 0 is forbidden.");
        if (count > 1)
          PSW_SET_QUEUE (PSW_RP, 1);
        if (rpt_e  < rpt_s + 0x10)
          sim_io_eprintf (sd, "warning: 0x%lx: REPEAT or REPEATI loop is too small\n", (long) cia);
        WRITE32_QUEUE (&RPT_C, count - 1);
        WRITE32_QUEUE (&RPT_S, rpt_s);
        WRITE32_QUEUE (&RPT_E, rpt_e);

_BRA,11000,00,6.RA,6.**,6.RC:BRA:short:mu:REPEAT
"repeat r<RA>, r<RC>"
        do_repeat(_SD, val_Ra, pcaddr);
_BRA,11000,10,6.RA,_IMM12:BRA:short:mu:REPEAT imm
"repeat r<RA>, <pcaddr>"
        do_repeat(_SD, val_Ra, pcaddr);
_BRA,11000,10,6.RA,6.**,_IMM32:BRA:long:mu:REPEAT imm long
"repeat r<RA>, <pcaddr>"
        do_repeat(_SD, val_Ra, pcaddr);




// REPEATI

_BRA,11010,00,6.IMM_6,6.**,6.RC:BRA:short:mu:REPEATI
"repeati <IMM_6>, r<RC>"
        do_repeat(_SD, IMM_6, pcaddr);
_BRA,11010,10,6.IMM_6,_IMM12:BRA:short:mu:REPEATI imm
"repeati <IMM_6>, <pcaddr>"
        do_repeat(_SD, IMM_6, pcaddr);
_BRA,11010,10,6.IMM_6,6.**,_IMM32:BRA:long:mu:REPEATI imm long
"repeati <IMM_6>, <pcaddr>"
        do_repeat(_SD, IMM_6, pcaddr);




// RTD

_BRA,01010,00,6.*,6.*,6.*:BRA:short:mu:RTD
"rtd"
        WRITE32_QUEUE (&PSW, DPSW);
        nia = DPC;




// ROT

_LOGIC,10100,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:ROT
"rot r<RA>, r<RB>, r<RC>"
        WRITE32_QUEUE (Ra, ROT32(Rb, Rc & 0x1f));
_LOGIC,10100,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:ROT imm
"rot r<RA>, r<RB>, <imm>"
        WRITE32_QUEUE (Ra, ROT32(Rb, imm & 0x1f));




// ROT2H

void::function::do_rot2h:unsigned32 *ra, unsigned32 rb, signed32 src
        unsigned16 high = ROTR16(VH2_4(rb), VH2_4(src) & 0xf);
        unsigned16 low  = ROTR16(VL2_4(rb), VL2_4(src) & 0xf);
        WRITE32_QUEUE (ra, (high << 16) | low);

_LOGIC,10101,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:ROT2H
"rot2h r<RA>, r<RB>, r<RC>"
        do_rot2h(_SD, Ra, Rb, Rc);
_LOGIC,10101,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:ROT2H imm
"rot2h r<RA>, r<RB>, <imm>"
        do_rot2h(_SD, Ra, Rb, immHL);




// SAT

void::function::do_sat:signed32 *ra, signed32 rb, signed32 src
        int bits = LSMASKED32(src, 4, 0); /* 5 */
        signed32 sat = LSMASK32(bits, 0) >> 2;
        signed32 nsat = ~sat;
        signed32 value;
        if (bits != src)
          sim_io_eprintf (sd, "warning: 0x%lx:SAT bit overflow\n", (long) cia);
        if (bits == 0)
          value = rb;
        else if (rb >= sat)
          value = sat;
        else if (rb <= nsat)
          value = nsat;
        else
          value = rb;
        WRITE32_QUEUE (ra, value);

_IALU2,01000,00,6.RA,6.RB,6.RC:IALU2:short:iu:SAT
"sat r<RA>, r<RB>, r<RC>"
        do_sat(_SD, Ra, Rb, Rc);
_IALU2,01000,10,6.RA,6.RB,_IMM6:IALU2:short:iu:SAT imm
"sat r<RA>, r<RB>, <imm>"
        do_sat(_SD, Ra, Rb, imm_5);




// SAT2H

void::function::do_sath:signed32 *ra, signed32 rb, signed32 src, int high, int updates_f4
        int bits = LSMASKED32(src, 4, 0); /* 5 */
        signed32 sat = LSMASK32(bits, 0) >> 2;
        signed32 nsat = ~sat;
        signed32 value;
        if (bits != src)
          sim_io_eprintf (sd, "warning: 0x%lx:SAT bit overflow\n", (long) cia);
        if (bits == 0)
          value = rb;
        else if (rb >= sat)
          value = sat;
        else if (rb <= nsat)
          value = nsat;
        else
          value = rb;
        if (high)
          WRITE32_QUEUE_MASK (ra, value << 16, 0xffff0000);
        else
          WRITE32_QUEUE_MASK (ra, value, 0x0000ffff);
        if (updates_f4)
          {
            /* if MU instruction was a MVTSYS (lkr), unqueue register writes now */
            if(STATE_CPU (sd, 0)->mvtsys_left_p)
              unqueue_writes (sd, STATE_CPU (sd, 0), cia);
            PSW_FLAG_SET_QUEUE(PSW_S_FLAG, PSW_FLAG_VAL(PSW_S_FLAG) ^ (value & 1));
          }

_IALU2,01001,00,6.RA,6.RB,6.RC:IALU2:short:iu:SAT2H
"sat2h r<RA>, r<RB>, r<RC>"
        do_sath(_SD, Ra, RbH, RcH, 1, 0);
        do_sath(_SD, Ra, RbL, RcL, 0, 0);
_IALU2,01001,10,6.RA,6.RB,_IMM6:IALU2:short:iu:SAT2H imm
"sat2h r<RA>, r<RB>, <imm>"
        do_sath(_SD, Ra, RbH, imm_5, 1, 0);
        do_sath(_SD, Ra, RbL, imm_5, 0, 0);




// SATHp

::%s::p:int p
        switch (p)
          {
          case 0: return "l";
          case 1: return "h";
          default: return "?";
          }

_IALU2,1110,p,00,6.RA,6.RB,6.RC:IALU2:short:iu:SATHP
"sath%s<p> r<RA>, r<RB>, r<RC>"
        do_sath(_SD, Ra, Rb, Rc, p, 1);
_IALU2,1110,p,10,6.RA,6.RB,_IMM6:IALU2:short:iu:SATHP imm
"sath%s<p> r<RA>, r<RB>, <imm>"
        do_sath(_SD, Ra, Rb, imm_5, p, 1);



// SATZ

void::function::do_satz:signed32 *ra, signed32 rb, signed32 src
        if (rb < 0)
          WRITE32_QUEUE (ra, 0);
        else
          do_sat (_SD, ra, rb, src);

_IALU2,01010,00,6.RA,6.RB,6.RC:IALU2:short:iu:SATZ
"satz r<RA>, r<RB>, r<RC>"
        do_satz(_SD, Ra, Rb, Rc);
_IALU2,01010,10,6.RA,6.RB,_IMM6:IALU2:short:iu:SATZ imm
"satz r<RA>, r<RB>, <imm>"
        do_satz(_SD, Ra, Rb, imm_5);




// SATZ2H

void::function::do_satzh:signed32 *ra, signed16 rb, signed32 src, int high
        int bits = LSMASKED32(src, 3, 0); /*4*/
        signed16 sat = LSMASK16(bits, 0) >> 2;
        signed16 nsat = 0;
        signed16 value;
        if (bits != src)
          sim_io_eprintf (sd, "warning: 0x%lx:SATZ2H bit overflow\n", (long) cia);
        if (bits == 0 && rb > sat)
          value = rb;
        else if (rb > sat)
          value = sat;
        else if (rb < nsat)
          value = nsat;
        else
          value = rb;
        if (high)
          WRITE32_QUEUE_MASK (ra, value << 16, 0xffff0000);
        else
          WRITE32_QUEUE_MASK (ra, value, 0x0000ffff);


_IALU2,01011,00,6.RA,6.RB,6.RC:IALU2:short:iu:SATZ2H
"satz2h r<RA>, r<RB>, r<RC>"
        do_satzh(_SD, Ra, RbH, RcH, 1);
        do_satzh(_SD, Ra, RbL, RcL, 0);
_IALU2,01011,10,6.RA,6.RB,_IMM6:IALU2:short:iu:SATZ2H imm
"satz2h r<RA>, r<RB>, <imm>"
        do_satzh(_SD, Ra, RbH, imm, 1);
        do_satzh(_SD, Ra, RbL, imm, 0);




// SRA

void::function::do_sra:unsigned32 *ra, unsigned32 rb, signed32 src
        unsigned32 value;
        while (src > 31) src -= 32;
        while (src < -32) src += 32;
        if (src >= 0)
          value = (signed32)rb >> src;
        else if (src == -32)
          value = 0;
        else
          value = rb << -src;
        WRITE32_QUEUE (ra, value);

_LOGIC,10000,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:SRA
"sra r<RA>, r<RB>, r<RC>"
        do_sra(_SD, Ra, Rb, Rc);
_LOGIC,10000,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:SRA imm
"sra r<RA>, r<RB>, <imm>"
        do_sra(_SD, Ra, Rb, imm);




// SRAHp

void::function::do_srah:unsigned32 *ra, unsigned32 rb, int src, int high
        unsigned32 value;
        while (src > 31) src -= 32;
        while (src < -32) src += 32;
        if (src >= 0)
          value = (signed32)rb >> src;
        else if (src == -32)
          value = 0;
        else
          value = rb << -src;
        if (high)
          WRITE32_QUEUE_MASK (ra, value << 16, 0xffff0000);
        else
          WRITE32_QUEUE_MASK (ra, value, 0x0000ffff);

_LOGIC,0010,p,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:SRAHP
"srah%s<p> r<RA>, r<RB>, r<RC>"
        do_srah(_SD, Ra, Rb, Rc, p);
_LOGIC,0010,p,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:SRAHP imm
"srah%s<p> r<RA>, r<RB>, <imm>"
        do_srah(_SD, Ra, Rb, imm, p);




// SRA2H

_LOGIC,10001,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:SRA2H
"sra2h r<RA>, r<RB>, r<RC>"
        signed32 srcH = RcH;
        signed32 srcL = RcL;
        while (srcH > 15) srcH -= 16;
        while (srcH < -16) srcH += 16;
        while (srcL > 15) srcL -= 16;
        while (srcL < -16) srcL += 16;
        do_srah(_SD, Ra, RbH, srcH, 1);
        do_srah(_SD, Ra, RbL, srcL, 0);
_LOGIC,10001,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:SRA2H imm
"sra2h r<RA>, r<RB>, <imm>"
        signed32 src = imm;
        while (src > 15) src -= 16;
        while (src < -16) src += 16;
        do_srah(_SD, Ra, RbH, src, 1);
        do_srah(_SD, Ra, RbL, src, 0);




// SRC

void::function::do_src:unsigned32 *ra, unsigned32 rb, int src
        unsigned32 value;
        unsigned64 operand;
        unsigned64 shifted;
        while (src > 31) src -= 32;
        while (src < -32) src += 32;
        if (src >= 0)
          {
            operand = (INSERTED64(rb, 0, 31) | INSERTED64(*ra, 32, 63));
            shifted = operand >> src;
            value = EXTRACTED64(shifted, 32, 63);
          }
        else
          {
            operand = (INSERTED64(*ra, 0, 31) | INSERTED64(rb, 32, 63));
            shifted = operand << -src;
            value = EXTRACTED64(shifted, 0, 31);
          }
        WRITE32_QUEUE (ra, value);

_LOGIC,10110,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:SRC
"src r<RA>, r<RB>, r<RC>"
        do_src(_SD, Ra, Rb, Rc);
_LOGIC,10110,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:SRC imm
"src r<RA>, r<RB>, <imm>"
        do_src(_SD, Ra, Rb, imm);




// SRL

void::function::do_srl:unsigned32 *ra, unsigned32 rb, int src
        unsigned32 value;
        while (src > 31) src -= 32;
        while (src < -32) src += 32;
        if (src >= 0)
          value = (unsigned32)rb >> src;
        else if (src == -32)
          value = 0;
        else
          value = (unsigned32)rb << -src;
        WRITE32_QUEUE (ra, value);

_LOGIC,10010,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:SRL
"srl r<RA>, r<RB>, r<RC>"
        do_srl(_SD, Ra, Rb, Rc);
_LOGIC,10010,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:SRL imm
"srl r<RA>, r<RB>, <imm>"
        do_srl(_SD, Ra, Rb, imm);




// SRLHp

void::function::do_srlh:unsigned32 *ra, unsigned32 rb, int src, int high
        unsigned32 value;
        while (src > 31) src -= 32;
        while (src < -32) src += 32;
        if (src >= 0)
          value = rb >> src;
        else if (src == -32)
          value = 0;
        else
          value = rb << -src;
        if (high)
          WRITE32_QUEUE_MASK (ra, value << 16, 0xffff0000);
        else
          WRITE32_QUEUE_MASK (ra, value, 0x0000ffff);

_LOGIC,0011,p,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:SRLHP
"srlh%s<p> r<RA>, r<RB>, r<RC>"
        do_srlh(_SD, Ra, Rb, Rc, p);
_LOGIC,0011,p,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:SRLHP imm
"srlh%s<p> r<RA>, r<RB>, <imm>"
        do_srlh(_SD, Ra, Rb, imm, p);


// SRL2H

_LOGIC,10011,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:SRL2H
"srl2h r<RA>, r<RB>, r<RC>"
        signed32 srcH = RcH;
        signed32 srcL = RcL;
        while (srcH > 15) srcH -= 16;
        while (srcH < -16) srcH += 16;
        while (srcL > 15) srcL -= 16;
        while (srcL < -16) srcL += 16;
        do_srlh(_SD, Ra, RbHU, srcH, 1);
        do_srlh(_SD, Ra, RbLU, srcL, 0);
_LOGIC,10011,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:SRL2H imm
"srl2h r<RA>, r<RB>, <imm>"
        signed32 src = imm;
        while (src > 15) src -= 16;
        while (src < -16) src += 16;
        do_srlh(_SD, Ra, RbHU, src, 1);
        do_srlh(_SD, Ra, RbLU, src, 0);




// ST2H

void::function::get_even_reg:int *reg, unsigned32 *r0, const char *name
        if (*reg & 1)
          sim_engine_abort (SD, CPU, cia,
                            "0x%lx:%s odd register (r%d) used in multi-word store",
                            (long) cia, name, *reg);
        if (*reg == 0)
          *r0 = 0;
        else
          *r0 = GPR[*reg];

void::function::do_st2h:int ra, unsigned32 rb, unsigned32 src
        unsigned32 val_ra;
        unsigned32 mem;
        get_even_reg(_SD, &ra, &val_ra, "ST2H");
        mem = INSERTED32(val_ra, 0, 15) |
              INSERTED32(GPR[ra + 1], 16, 31);
        STORE(rb + src, 4, mem);

_IMEM,10011,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:ST2H
"st2h r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"st2h r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_st2h(_SD, RA, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 4);
_IMEM,10011,10,6.RA,6.RB,_IMM32:IMEM:long:mu:ST2H long
"st2h r<RA>, @(r<RB>, <imm>)"
        do_st2h(_SD, RA, Rb, imm);



// ST2W

void::function::do_st2w:int ra, unsigned32 rb, unsigned32 src
        unsigned32 val_ra;
        unsigned64 mem;
        get_even_reg(_SD, &ra, &val_ra, "ST2W");
        mem = INSERTED64(val_ra, 0, 31) | INSERTED64(GPR[ra + 1], 32, 63);
        STORE(rb + src, 8, mem);

_IMEM,10110,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:ST2W
"st2w r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"st2w r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_st2w(_SD, RA, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 8);
_IMEM,10110,10,6.RA,6.RB,_IMM32:IMEM:long:mu:ST2W long
"st2w r<RA>, @(r<RB>, <imm>)"
        do_st2w(_SD, RA, Rb, imm);



// ST4HB

void::function::do_st4hb:int ra, unsigned32 rb, unsigned32 src
        unsigned32 val_ra;
        unsigned32 mem;
        get_even_reg(_SD, &ra, &val_ra, "ST4HB");
        mem = INSERTED32(EXTRACTED32(val_ra, 8, 15), 0, 7) |
              INSERTED32(EXTRACTED32(val_ra, 24, 31), 8, 15) |
              INSERTED32(EXTRACTED32(GPR[ra + 1], 8, 15), 16, 23) |
              INSERTED32(EXTRACTED32(GPR[ra + 1], 24, 31), 24, 31);
        STORE(rb + src, 4, mem);

_IMEM,10101,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:ST4HB
"st4hb r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"st4hb r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_st4hb(_SD, RA, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 4);
_IMEM,10101,10,6.RA,6.RB,_IMM32:IMEM:long:mu:ST4HB long
"st4hb r<RA>, @(r<RB>, <imm>)"
        do_st4hb(_SD, RA, Rb, imm);



// STB

void::function::do_stb:unsigned32 ra, unsigned32 rb, unsigned32 src
        STORE(rb + src, 1, EXTRACTED32(ra, 24, 31));

_IMEM,10000,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:STB
"stb r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"stb r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_stb(_SD, val_Ra, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 1);
_IMEM,10000,10,6.RA,6.RB,_IMM32:IMEM:long:mu:STB long
"stb r<RA>, @(r<RB>, <imm>)"
        do_stb(_SD, val_Ra, Rb, imm);



// STH

void::function::do_sth:unsigned32 ra, unsigned32 rb, unsigned32 src
        STORE(rb + src, 2, EXTRACTED32(ra, 16, 31));

_IMEM,10010,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:STH
"sth r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"sth r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_sth(_SD, val_Ra, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 2);
_IMEM,10010,10,6.RA,6.RB,_IMM32:IMEM:long:mu:STH long
"sth r<RA>, @(r<RB>, <imm>)"
        do_sth(_SD, val_Ra, Rb, imm);



// STHH

void::function::do_sthh:unsigned32 ra, unsigned32 rb, unsigned32 src
        STORE(rb + src, 2, EXTRACTED32(ra, 0, 15));

_IMEM,10001,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:STHH
"sthh r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"sthh r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_sthh(_SD, val_Ra, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 2);
_IMEM,10001,10,6.RA,6.RB,_IMM32:IMEM:long:mu:STHH long
"sthh r<RA>, @(r<RB>, <imm>)"
        do_sthh(_SD, val_Ra, Rb, imm);



// STW

void::function::do_stw:unsigned32 ra, unsigned32 rb, unsigned32 src
        STORE(rb + src, 4, ra);

_IMEM,10100,XX,6.RA,6.RB,6.SRC_6:IMEM:short:mu:STW
"stw r<RA>, @(r<RB>, <SRC_6>)":XX == 0
"stw r<RA>, @(r<RB>%s<XX>, r<SRC_6>)"
        do_stw(_SD, val_Ra, Rb, src);
        do_incr(_SD, XX, &GPR[RB], 4);
_IMEM,10100,10,6.RA,6.RB,_IMM32:IMEM:long:mu:STW long
"stw r<RA>, @(r<RB>, <imm>)"
        do_stw(_SD, val_Ra, Rb, imm);



// SUB

void::function::do_sub:unsigned32 *ra, unsigned32 rb, unsigned32 imm
        ALU_BEGIN(rb);
        ALU_SUBB(imm);
        ALU_END(ra);

_IALU1,00010,00,6.RA,6.RB,6.RC:IALU1:short:iu,mu:SUB
"sub r<RA>, r<RB>, r<RC>"
        do_sub (_SD, Ra, Rb, Rc);
_IALU1,00010,10,6.RA,6.RB,_IMM6:IALU1:short:iu,mu:SUB imm
"sub r<RA>, r<RB>, <imm>"
        do_sub (_SD, Ra, Rb, imm);
_IALU1,00010,10,6.RA,6.RB,_IMM32:IALU1:long:iu,mu:SUB imm long
"sub r<RA>, r<RB>, <imm>"
        do_sub (_SD, Ra, Rb, imm);



// SUB2H

void::function::do_sub2h:unsigned32 *ra, unsigned32 rb, unsigned32 imm
        unsigned16 high = VH2_4(rb) - VH2_4(imm);
        unsigned16 low  = VL2_4(rb) - VL2_4(imm);
        WRITE32_QUEUE (ra, (high << 16) | low);

_IALU1,00011,00,6.RA,6.RB,6.RC:IALU1:short:iu,mu:SUB2H
"sub2h r<RA>, r<RB>, r<RC>"
        do_sub2h (_SD, Ra, Rb, Rc);
_IALU1,00011,10,6.RA,6.RB,_IMM6:IALU1:short:iu,mu:SUB2H imm
"sub2h r<RA>, r<RB>, <imm>"
        do_sub2h (_SD, Ra, Rb, immHL);
_IALU1,00011,10,6.RA,6.RB,_IMM32:IALU1:long:iu,mu:SUB2H imm long
"sub2h r<RA>, r<RB>, <imm>"
        do_sub2h (_SD, Ra, Rb, imm);



// SUBB

void::function::do_subb:unsigned32 *ra, unsigned32 rb, unsigned32 imm
        ALU_BEGIN(rb);
        ALU_SUBB_B(imm, ALU_CARRY);
        ALU_END(ra);
        
_IALU1,00101,00,6.RA,6.RB,6.RC:IALU1:short:iu,mu:SUBB
"subb r<RA>, r<RB>, r<RC>"
        do_subb (_SD, Ra, Rb, Rc);
_IALU1,00101,10,6.RA,6.RB,_IMM6:IALU1:short:iu,mu:SUBB imm
"subb r<RA>, r<RB>, <imm>"
        do_subb (_SD, Ra, Rb, imm);
_IALU1,00101,10,6.RA,6.RB,_IMM32:IALU1:long:iu,mu:SUBB imm long
"subb r<RA>, r<RB>, <imm>"
        do_subb (_SD, Ra, Rb, imm);



// SUBHppp

void::function::do_subh_ppp:int ppp, unsigned32 *ra, unsigned32 rb, unsigned32 src
        switch (ppp) {
        case 0x0: /* LLL */
          {
          ALU16_BEGIN(VL2_4(rb));
          ALU16_SUBB(VL2_4(src));
          ALU16_END(ra, 0);
          }
          break;
        case 0x1: /* LLH */
          {
          ALU16_BEGIN(VL2_4(rb));
          ALU16_SUBB(VH2_4(src));
          ALU16_END(ra, 0);
          }
          break;
        case 0x2: /* LHL */
          {
          ALU16_BEGIN(VH2_4(rb));
          ALU16_SUBB(VL2_4(src));
          ALU16_END(ra, 0);
          }
          break;
        case 0x3: /* LHH */
          {
          ALU16_BEGIN(VH2_4(rb));
          ALU16_SUBB(VH2_4(src));
          ALU16_END(ra, 0);
          }
          break;
        case 0x4: /* HLL */
          {
          ALU16_BEGIN(VL2_4(rb));
          ALU16_SUBB(VL2_4(src));
          ALU16_END(ra, 1);
          }
          break;
        case 0x5: /* HLH */
          {
          ALU16_BEGIN(VL2_4(rb));
          ALU16_SUBB(VH2_4(src));
          ALU16_END(ra, 1);
          }
          break;
        case 0x6: /* HHL */
          {
          ALU16_BEGIN(VH2_4(rb));
          ALU16_SUBB(VL2_4(src));
          ALU16_END(ra, 1);
          }
          break;
        case 0x7: /* HHH */
          {
          ALU16_BEGIN(VH2_4(rb));
          ALU16_SUBB(VH2_4(src));
          ALU16_END(ra, 1);
          }
          break;
        default:
          sim_engine_abort (SD, CPU, cia, "do_subh_ppp - internal error - bad switch");
        }

_IALU1,11,ppp,00,6.RA,6.RB,6.RC:IALU1:short:iu,mu:SUBHppp
"subh%s<ppp> r<RA>, r<RB>, r<RC>"
        do_subh_ppp(_SD, ppp, Ra, Rb, Rc);
_IALU1,11,ppp,10,6.RA,6.RB,_IMM6:IALU1:short:iu,mu:SUBHppp imm
"subh%s<ppp> r<RA>, r<RB>, <imm>"
        do_subh_ppp(_SD, ppp, Ra, Rb, immHL);
_IALU1,11,ppp,10,6.RA,6.RB,_IMM32:IALU1:long:iu,mu:SUBHppp imm long
"subh%s<ppp> r<RA>, r<RB>, <imm>"
        do_subh_ppp(_SD, ppp, Ra, Rb, imm);



// TRAP

address_word::function::do_trap:address_word trap_vector, address_word nia
        /* Steal trap 31 for doing system calls */
        /* System calls are defined in libgloss/d30v/syscall.h.  */
        if (trap_vector == EIT_VB + 0x20 + (31 << 3))
          {
            enum { PARM1 = 2, PARM2, PARM3, PARM4, FUNC };
            if (GPR[FUNC] == 1)         /* exit */
              {
                sim_engine_halt (sd, STATE_CPU (sd, 0), NULL, cia, sim_exited,
                                 GPR[PARM1]);
                return -1; /* dummy */
              }
            else
              {
                CB_SYSCALL syscall;

                CB_SYSCALL_INIT (&syscall);
                syscall.arg1 = GPR[PARM1];
                syscall.arg2 = GPR[PARM2];
                syscall.arg3 = GPR[PARM3];
                syscall.arg4 = GPR[PARM4];
                syscall.func = GPR[FUNC];
                syscall.p1 = (PTR) SD;
                syscall.read_mem = d30v_read_mem;
                syscall.write_mem = d30v_write_mem;

                WRITE32_QUEUE (&GPR[PARM1],
                               ((cb_syscall (STATE_CALLBACK (SD), &syscall)
                                 == CB_RC_OK)
                                ? syscall.result
                                : -syscall.errcode));
                return nia;
              }
          }
        else if (TRACE_TRAP_P)
          {
            int reg, i;
            sim_io_eprintf (sd, "\nTrap %ld:\n", (long) ((trap_vector - (EIT_VB + 0x20)) >> 3));
            for (reg = 0; reg < NR_GENERAL_PURPOSE_REGISTERS; reg += 8)
              {
                sim_io_eprintf (sd, "r%.2d  - r%.2d: ", reg, reg+7);
                for (i = 0; i < 8; i++)
                  sim_io_eprintf (sd, " 0x%.8lx", (long) GPR[reg+i]);
                sim_io_eprintf (sd, "\n");
              }

            for (reg = 0; reg < 16; reg += 8)
              {
                sim_io_eprintf (sd, "cr%.2d - cr%.2d:", reg, reg+7);
                for (i = 0; i < 8; i++)
                  sim_io_eprintf (sd, " 0x%.8lx", (long) CREG[reg+i]);
                sim_io_eprintf (sd, "\n");
              }

            sim_io_eprintf (sd, "a0   - a1:  ");
            for (reg = 0; reg < NR_ACCUMULATORS; reg++)
              sim_io_eprintf (sd, " 0x%.8lx 0x%.8lx",
                              (long)EXTRACTED64(ACC[reg], 0, 31),
                              (long)EXTRACTED64(ACC[reg], 32, 63));
            sim_io_eprintf (sd, "\n");

            sim_io_eprintf (sd, "f0   - f7:  ");
            sim_io_eprintf (sd, "     (f0) %d", (int) PSW_VAL(PSW_F0));
            sim_io_eprintf (sd, "     (f1) %d", (int) PSW_VAL(PSW_F1));
            sim_io_eprintf (sd, "     (f2) %d", (int) PSW_VAL(PSW_F2));
            sim_io_eprintf (sd, "     (f3) %d", (int) PSW_VAL(PSW_F3));
            sim_io_eprintf (sd, "      (s) %d", (int) PSW_VAL(PSW_S));
            sim_io_eprintf (sd, "      (v) %d", (int) PSW_VAL(PSW_V));
            sim_io_eprintf (sd, "     (va) %d", (int) PSW_VAL(PSW_VA));
            sim_io_eprintf (sd, "      (c) %d\n", (int) PSW_VAL(PSW_C));

            sim_io_eprintf (sd, "pswh:       ");
            sim_io_eprintf (sd, "     (sm) %d", (int) PSW_VAL(PSW_SM));
            sim_io_eprintf (sd, "     (ea) %d", (int) PSW_VAL(PSW_EA));
            sim_io_eprintf (sd, "     (ie) %d", (int) PSW_VAL(PSW_IE));
            sim_io_eprintf (sd, "     (rp) %d", (int) PSW_VAL(PSW_RP));
            sim_io_eprintf (sd, "     (md) %d", (int) PSW_VAL(PSW_MD));

            if (PSW_VAL(PSW_DB))
              sim_io_eprintf (sd, "     (db) %d", (int) PSW_VAL(PSW_DB));

            if (PSW_VAL(PSW_DS))
              sim_io_eprintf (sd, "     (ds) %d", (int) PSW_VAL(PSW_DS));

            sim_io_eprintf (sd, "\n");
            return nia;
          }
        else
          {
            if(PSW_VAL(PSW_RP) && RPT_E == cia)
              {
                WRITE32_QUEUE (&bPC, RPT_S);
                if (RPT_C == 0)
                  PSW_SET (PSW_RP, 0);
              }
            else
              WRITE32_QUEUE (&bPC, cia + 8);
            DID_TRAP = 1;
            return trap_vector;
          }

_BRA,01001,00,6.**,6.**,6.RC:BRA:short:mu:TRAP
"trap r<RC>"
        nia = do_trap (_SD, EIT_VB + 0x20 + MASKED32(Rc, 24, 28), nia);
_BRA,01001,10,6.**,6.**,_IMM6:BRA:short:mu:TRAP imm
"trap <imm>"
        nia = do_trap (_SD, EIT_VB + 0x20 + (imm_5 << 3), nia);



// XOR

_LOGIC,11011,00,6.RA,6.RB,6.RC:LOGIC:short:iu,mu:XOR
"xor r<RA>, r<RB>, r<RC>"
        WRITE32_QUEUE (Ra, Rb ^ Rc);
_LOGIC,11011,10,6.RA,6.RB,_IMM6:LOGIC:short:iu,mu:XOR imm
"xor r<RA>, r<RB>, <imm>"
        WRITE32_QUEUE (Ra, Rb ^ imm);
_LOGIC,11011,10,6.RA,6.RB,_IMM32:LOGIC:long:iu,mu:XOR imm long
"xor r<RA>, r<RB>, <imm>"
        WRITE32_QUEUE (Ra, Rb ^ imm);



// XORFG

_LOGIC,01011,00,***,3.FA,***,3.FB,***,3.FC:LOGIC:short:iu,mu:XORFG
"xorfg f<FA>, f<FB>, f<FC>"
        PSW_FLAG_SET_QUEUE(FA, PSW_FLAG_VAL(FB) ^ PSW_FLAG_VAL(FC));
_LOGIC,01011,10,***,3.FA,***,3.FB,_IMM6:LOGIC:short:iu,mu:XORFG imm
"xorfg f<FA>, f<FB>, <imm_6>"
        PSW_FLAG_SET_QUEUE(FA, PSW_FLAG_VAL(FB) ^ (imm_6 & 1));