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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [opcodes/] [rl78-decode.opc] - Rev 259

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/* -*- c -*- */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "config.h"
#include "ansidecl.h"
#include "opcode/rl78.h"

static int trace = 0;

typedef struct
{
  RL78_Opcode_Decoded * rl78;
  int (* getbyte)(void *);
  void * ptr;
  unsigned char * op;
} LocalData;

#define ID(x) rl78->id = RLO_##x, rl78->lineno = __LINE__
#define OP(n,t,r,a) (rl78->op[n].type = t, \
                     rl78->op[n].reg = r,            \
                     rl78->op[n].addend = a )
#define OPX(n,t,r1,r2,a) \
        (rl78->op[n].type = t, \
        rl78->op[n].reg = r1, \
        rl78->op[n].reg2 = r2, \
        rl78->op[n].addend = a )

#define W() rl78->size = RL78_Word

#define AU ATTRIBUTE_UNUSED
#define GETBYTE() (ld->op [ld->rl78->n_bytes++] = ld->getbyte (ld->ptr))
#define B ((unsigned long) GETBYTE())

#define SYNTAX(x) rl78->syntax = x

#define UNSUPPORTED() \
  rl78->syntax = "*unknown*"

#define RB(x) ((x)+RL78_Reg_X)
#define RW(x) ((x)+RL78_Reg_AX)

#define Fz      rl78->flags = RL78_PSW_Z
#define Fza     rl78->flags = RL78_PSW_Z | RL78_PSW_AC
#define Fzc     rl78->flags = RL78_PSW_Z | RL78_PSW_CY
#define Fzac    rl78->flags = RL78_PSW_Z | RL78_PSW_AC | RL78_PSW_CY
#define Fa      rl78->flags = RL78_PSW_AC
#define Fc      rl78->flags = RL78_PSW_CY
#define Fac     rl78->flags = RL78_PSW_AC | RL78_PSW_CY

#define IMMU(bytes)   immediate (bytes, 0, ld)
#define IMMS(bytes)   immediate (bytes, 1, ld)

static int
immediate (int bytes, int sign_extend, LocalData * ld)
{
  unsigned long i = 0;

  switch (bytes)
    {
    case 1:
      i |= B;
      if (sign_extend && (i & 0x80))
        i -= 0x100;
      break;
    case 2:
      i |= B;
      i |= B << 8;
      if (sign_extend && (i & 0x8000))
        i -= 0x10000;
      break;
    case 3:
      i |= B;
      i |= B << 8;
      i |= B << 16;
      if (sign_extend && (i & 0x800000))
        i -= 0x1000000;
      break;
    default:
      fprintf (stderr, "Programmer error: immediate() called with invalid byte count %d\n", bytes);
      abort();
    }
  return i;
}

#define DC(c)           OP (0, RL78_Operand_Immediate, 0, c)
#define DR(r)           OP (0, RL78_Operand_Register, RL78_Reg_##r, 0)
#define DRB(r)          OP (0, RL78_Operand_Register, RB(r), 0)
#define DRW(r)          OP (0, RL78_Operand_Register, RW(r), 0)
#define DM(r,a)         OP (0, RL78_Operand_Indirect, RL78_Reg_##r, a)
#define DM2(r1,r2,a)    OPX (0, RL78_Operand_Indirect, RL78_Reg_##r1, RL78_Reg_##r2, a)
#define DE()            rl78->op[0].use_es = 1
#define DB(b)           set_bit (rl78->op, b)
#define DCY()           DR(PSW); DB(0)
#define DPUSH()         OP (0, RL78_Operand_PreDec, RL78_Reg_SP, 0);

#define SC(c)           OP (1, RL78_Operand_Immediate, 0, c)
#define SR(r)           OP (1, RL78_Operand_Register, RL78_Reg_##r, 0)
#define SRB(r)          OP (1, RL78_Operand_Register, RB(r), 0)
#define SRW(r)          OP (1, RL78_Operand_Register, RW(r), 0)
#define SM(r,a)         OP (1, RL78_Operand_Indirect, RL78_Reg_##r, a)
#define SM2(r1,r2,a)    OPX (1, RL78_Operand_Indirect, RL78_Reg_##r1, RL78_Reg_##r2, a)
#define SE()            rl78->op[1].use_es = 1
#define SB(b)           set_bit (rl78->op+1, b)
#define SCY()           SR(PSW); SB(0)
#define COND(c)         rl78->op[1].condition = RL78_Condition_##c
#define SPOP()          OP (1, RL78_Operand_PostInc, RL78_Reg_SP, 0);

static void
set_bit (RL78_Opcode_Operand *op, int bit)
{
  op->bit_number = bit;
  switch (op->type) {
  case RL78_Operand_Register:
    op->type = RL78_Operand_Bit;
    break;
  case RL78_Operand_Indirect:
    op->type = RL78_Operand_BitIndirect;
    break;
  default:
    break;
  }
}

static int
saddr (int x)
{
  if (x < 0x20)
    return 0xfff00 + x;
  return 0xffe00 + x;
}

static int
sfr (int x)
{
  return 0xfff00 + x;
}

#define SADDR saddr (IMMU (1))
#define SFR sfr (IMMU (1))

int
rl78_decode_opcode (unsigned long pc AU,
                  RL78_Opcode_Decoded * rl78,
                  int (* getbyte)(void *),
                  void * ptr)
{
  LocalData lds, * ld = &lds;
  unsigned char op_buf[20] = {0};
  unsigned char *op = op_buf;
  int op0, op1;

  lds.rl78 = rl78;
  lds.getbyte = getbyte;
  lds.ptr = ptr;
  lds.op = op;

  memset (rl78, 0, sizeof (*rl78));

 start_again:

/* Byte registers, not including A.  */
/** VARY rba 000 010 011 100 101 110 111 */
/* Word registers, not including AX.  */
/** VARY ra 01 10 11 */

/*----------------------------------------------------------------------*/
/* ES: prefix                                                           */

/** 0001 0001                   es:                                     */
  DE(); SE();
  op ++;
  pc ++;
  goto start_again;

/*----------------------------------------------------------------------*/

/** 0000 1111                   add     %0, %e1%!1                      */
  ID(add); DR(A); SM(None, IMMU(2)); Fzac;

/** 0000 1101                   add     %0, %e1%1                       */
  ID(add); DR(A); SM(HL, 0); Fzac;

/** 0110 0001 1000 000          add     %0, %e1%1                       */
  ID(add); DR(A); SM2(HL, B, 0); Fzac;

/** 0000 1110                   add     %0, %e1%1                       */
  ID(add); DR(A); SM(HL, IMMU(1)); Fzac;

/** 0110 0001 1000 0010         add     %0, %e1%1                       */
  ID(add); DR(A); SM2(HL, C, 0); Fzac;

/** 0000 1100                   add     %0, #%1                         */
  ID(add); DR(A); SC(IMMU(1)); Fzac;

/** 0110 0001 0000 1rba         add     %0, %1                          */
  ID(add); DR(A); SRB(rba); Fzac;

/** 0000 1011                   add     %0, %1                          */
  ID(add); DR(A); SM(None, SADDR); Fzac;

/** 0110 0001 0000 0reg         add     %0, %1                          */
  ID(add); DRB(reg); SR(A); Fzac;

/** 0000 1010                   add     %0, #%1                         */
  ID(add); DM(None, SADDR); SC(IMMU(1)); Fzac;

/*----------------------------------------------------------------------*/

/** 0001 1111                   addc    %0, %e1%!1                      */
  ID(addc); DR(A); SM(None, IMMU(2)); Fzac;

/** 0001 1101                   addc    %0, %e1%1                       */
  ID(addc); DR(A); SM(HL, 0); Fzac;

/** 0110 0001 1001 0000         addc    %0, %e1%1                       */
  ID(addc); DR(A); SM2(HL, B, 0); Fzac;

/** 0110 0001 1001 0010         addc    %0, %e1%1                       */
  ID(addc); DR(A); SM2(HL, C, 0); Fzac;

/** 0001 1110                   addc    %0, %e1%1                       */
  ID(addc); DR(A); SM(HL, IMMU(1)); Fzac;

/** 0001 1100                   addc    %0, #%1                         */
  ID(addc); DR(A); SC(IMMU(1)); Fzac;

/** 0110 0001 0001 1rba         addc    %0, %1                          */
  ID(addc); DR(A); SRB(rba); Fzac;

/** 0110 0001 0001 0reg         addc    %0, %1                          */
  ID(addc); DRB(reg); SR(A); Fzac;

/** 0001 1011                   addc    %0, %1                          */
  ID(addc); DR(A); SM(None, SADDR); Fzac;

/** 0001 1010                   addc    %0, #%1                         */
  ID(addc); DM(None, SADDR); SC(IMMU(1)); Fzac;

/*----------------------------------------------------------------------*/

/** 0000 0010                   addw    %0, %e1%!1                      */
  ID(add); W(); DR(AX); SM(None, IMMU(2)); Fzac;

/** 0110 0001 0000 1001         addw    %0, %e1%1                       */
  ID(add); W(); DR(AX); SM(HL, IMMU(1)); Fzac;

/** 0000 0100                   addw    %0, #%1                         */
  ID(add); W(); DR(AX); SC(IMMU(2)); Fzac;

/** 0000 0rw1                   addw    %0, %1                          */
  ID(add); W(); DR(AX); SRW(rw); Fzac;

/** 0000 0110                   addw    %0, %1                          */
  ID(add); W(); DR(AX); SM(None, SADDR); Fzac;

/** 0001 0000                   addw    %0, #%1                         */
  ID(add); W(); DR(SP); SC(IMMU(1)); Fzac;

/*----------------------------------------------------------------------*/

/** 0101 1111                   and     %0, %e1%!1                      */
  ID(and); DR(A); SM(None, IMMU(2)); Fz;

/** 0101 1101                   and     %0, %e1%1                       */
  ID(and); DR(A); SM(HL, 0); Fz;

/** 0110 0001 1101 0000         and     %0, %e1%1                       */
  ID(and); DR(A); SM2(HL, B, 0); Fz;

/** 0101 1110                   and     %0, %e1%1                       */
  ID(and); DR(A); SM(HL, IMMU(1)); Fz;

/** 0110 0001 1101 0010         and     %0, %e1%1                       */
  ID(and); DR(A); SM2(HL, C, 0); Fz;

/** 0101 1100                   and     %0, #%1                         */
  ID(and); DR(A); SC(IMMU(1)); Fz;

/** 0110 0001 0101 1rba         and     %0, %1                          */
  ID(and); DR(A); SRB(rba); Fz;

/** 0110 0001 0101 0reg         and     %0, %1                          */
  ID(and); DRB(reg); SR(A); Fz;

/** 0101 1011                   and     %0, %1                          */
  ID(and); DR(A); SM(None, SADDR); Fz;

/** 0101 1010                   and     %0, #%1                         */
  ID(and); DM(None, SADDR); SC(IMMU(1)); Fz;

/*----------------------------------------------------------------------*/

/** 0111 0001 1bit 0101         and1    cy, %e1%1                       */
  ID(and); DCY(); SM(HL, 0); SB(bit);

/** 0111 0001 1bit 1101         and1    cy, %1                          */
  ID(and); DCY(); SR(A); SB(bit);

/** 0111 0001 0bit 1101         and1    cy, %s1                         */
  ID(and); DCY(); SM(None, SFR); SB(bit);

/** 0111 0001 0bit 0101         and1    cy, %s1                         */
  ID(and); DCY(); SM(None, SADDR); SB(bit);

/*----------------------------------------------------------------------*/

/* Note that the branch insns need to be listed before the shift
   ones, as "shift count of zero" means "branch insn" */

/** 1101 1100                   bc      $%a0                            */
  ID(branch_cond); DC(pc+IMMS(1)+2); SR(None); COND(C);

/** 1101 1110                   bnc     $%a0                            */
  ID(branch_cond); DC(pc+IMMS(1)+2); SR(None); COND(NC);

/** 0110 0001 1100 0011         bh      $%a0                            */
  ID(branch_cond); DC(pc+IMMS(1)+3); SR(None); COND(H);

/** 0110 0001 1101 0011         bnh     $%a0                            */
  ID(branch_cond); DC(pc+IMMS(1)+3); SR(None); COND(NH);

/** 1101 1101                   bz      $%a0                            */
  ID(branch_cond); DC(pc+IMMS(1)+2); SR(None); COND(Z);

/** 1101 1111                   bnz     $%a0                            */
  ID(branch_cond); DC(pc+IMMS(1)+2); SR(None); COND(NZ);

/*----------------------------------------------------------------------*/

/** 0011 0001 1bit 0101         bf      %e1%1, $%a0                     */
  ID(branch_cond); DC(pc+IMMS(1)+3); SM(HL,0); SB(bit); COND(F);

/** 0011 0001 0bit 0101         bf      %1, $%a0                        */
  ID(branch_cond); DC(pc+IMMS(1)+3); SR(A); SB(bit); COND(F);

/** 0011 0001 1bit 0100         bf      %s1, $%a0                       */
  ID(branch_cond); SM(None, SFR); SB(bit); DC(pc+IMMS(1)+4); COND(F);

/** 0011 0001 0bit 0100         bf      %s1, $%a0                       */
  ID(branch_cond); SM(None, SADDR); SB(bit); DC(pc+IMMS(1)+4); COND(F);

/*----------------------------------------------------------------------*/

/** 1110 1100                   br      !%!a0                           */
  ID(branch); DC(IMMU(3));

/** 1110 1101                   br      %!a0                            */
  ID(branch); DC(IMMU(2));

/** 1110 1110                   br      $%!a0                           */
  ID(branch); DC(pc+IMMS(2)+3);

/** 1110 1111                   br      $%a0                            */
  ID(branch); DC(pc+IMMS(1)+2);

/** 0110 0001 1100 1011         br      ax                              */
  ID(branch); DR(AX);

/*----------------------------------------------------------------------*/

/** 1111 1111                   brk1                                    */
  ID(break);

/** 0110 0001 1100 1100         brk                                     */
  ID(break);

/*----------------------------------------------------------------------*/

/** 0011 0001 1bit 0011         bt      %e1%1, $%a0                     */
  ID(branch_cond); DC(pc+IMMS(1)+3); SM(HL,0); SB(bit); COND(T);

/** 0011 0001 0bit 0011         bt      %1, $%a0                        */
  ID(branch_cond); DC(pc+IMMS(1)+3); SR(A); SB(bit); COND(T);

/** 0011 0001 1bit 0010         bt      %s1, $%a0                       */
  ID(branch_cond); SM(None, SFR); SB(bit); DC(pc+IMMS(1)+4); COND(T);

/** 0011 0001 0bit 0010         bt      %s1, $%a0                       */
  ID(branch_cond); SM(None, SADDR); SB(bit); DC(pc+IMMS(1)+4); COND(T);

/*----------------------------------------------------------------------*/

/** 0011 0001 1bit 0001         btclr   %e1%1, $%a0                     */
  ID(branch_cond_clear); DC(pc+IMMS(1)+3); SM(HL,0); SB(bit); COND(T);

/** 0011 0001 0bit 0001         btclr   %1, $%a0                        */
  ID(branch_cond_clear); DC(pc+IMMS(1)+3); SR(A); SB(bit); COND(T);

/** 0011 0001 1bit 0000         btclr   %s1, $%a0                       */
  ID(branch_cond_clear); SM(None, SFR); SB(bit); DC(pc+IMMS(1)+4); COND(T);

/** 0011 0001 0bit 0000         btclr   %s1, $%a0                       */
  ID(branch_cond_clear); SM(None, SADDR); SB(bit); DC(pc+IMMS(1)+4); COND(T);

/*----------------------------------------------------------------------*/

/** 1111 1100                   call    !%!a0                           */
  ID(call); DC(IMMU(3));

/** 1111 1101                   call    %!a0                            */
  ID(call); DC(IMMU(2));

/** 1111 1110                   call    $%!a0                           */
  ID(call); DC(pc+IMMS(2)+3);

/** 0110 0001 11rg 1010         call    %0                              */
  ID(call); DRW(rg);

/** 0110 0001 1nnn 01mm         callt   [%x0]                           */
  ID(call); DM(None, 0x80 + mm*16 + nnn*2);

/*----------------------------------------------------------------------*/

/** 0111 0001 0bit 1000         clr1    %e0%!0                          */
  ID(mov); DM(None, IMMU(2)); DB(bit); SC(0);

/** 0111 0001 1bit 0011         clr1    %e0%0                           */
  ID(mov); DM(HL, 0); DB(bit); SC(0);

/** 0111 0001 1bit 1011         clr1    %0                              */
  ID(mov); DR(A); DB(bit); SC(0);

/** 0111 0001 1000 1000         clr1    cy                              */
  ID(mov); DCY(); SC(0);

/** 0111 0001 0bit 1011         clr1    %s0                             */
  op0 = SFR;
  ID(mov); DM(None, op0); DB(bit); SC(0);
  if (op0 == RL78_SFR_PSW && bit == 7)
    rl78->syntax = "di";

/** 0111 0001 0bit 0011         clr1    %0                              */
  ID(mov); DM(None, SADDR); DB(bit); SC(0);

/*----------------------------------------------------------------------*/

/** 1111 0101                   clrb    %e0%!0                          */
  ID(mov); DM(None, IMMU(2)); SC(0);

/** 1111 00rg                   clrb    %0                              */
  ID(mov); DRB(rg); SC(0);

/** 1111 0100                   clrb    %0                              */
  ID(mov); DM(None, SADDR); SC(0);

/*----------------------------------------------------------------------*/

/** 1111 0110                   clrw    %0                              */
  ID(mov); DR(AX); SC(0);

/** 1111 0111                   clrw    %0                              */
  ID(mov); DR(BC); SC(0);

/*----------------------------------------------------------------------*/

/** 0100 0000                   cmp     %e0%!0, #%1                     */
  ID(cmp); DM(None, IMMU(2)); SC(IMMU(1)); Fzac;

/** 0100 1010                   cmp     %0, #%1                         */
  ID(cmp); DM(None, SADDR); SC(IMMU(1)); Fzac;

/** 0100 1111                   cmp     %0, %e1%!1                      */
  ID(cmp); DR(A); SM(None, IMMU(2)); Fzac;

/** 0100 1101                   cmp     %0, %e1%1                       */
  ID(cmp); DR(A); SM(HL, 0); Fzac;

/** 0110 0001 1100 0000         cmp     %0, %e1%1                       */
  ID(cmp); DR(A); SM2(HL, B, 0); Fzac;

/** 0110 0001 1100 0010         cmp     %0, %e1%1                       */
  ID(cmp); DR(A); SM2(HL, C, 0); Fzac;

/** 0100 1110                   cmp     %0, %e1%1                       */
  ID(cmp); DR(A); SM(HL, IMMU(1)); Fzac;

/** 0100 1100                   cmp     %0, #%1                         */
  ID(cmp); DR(A); SC(IMMU(1)); Fzac;

/** 0110 0001 0100 1rba         cmp     %0, %1                          */
  ID(cmp); DR(A); SRB(rba); Fzac;

/** 0110 0001 0100 0reg         cmp     %0, %1                          */
  ID(cmp); DRB(reg); SR(A); Fzac;

/** 0100 1011                   cmp     %0, %1                          */
  ID(cmp); DR(A); SM(None, SADDR); Fzac;

/*----------------------------------------------------------------------*/

/** 1101 0101                   cmp0    %e0%!0                          */
  ID(cmp); DM(None, IMMU(2)); SC(0); Fzac;

/** 1101 00rg                   cmp0    %0                              */
  ID(cmp); DRB(rg); SC(0); Fzac;

/** 1101 0100                   cmp0    %0                              */
  ID(cmp); DM(None, SADDR); SC(0); Fzac;

/*----------------------------------------------------------------------*/

/** 0110 0001 1101 1110         cmps    %0, %e1%1                       */
  ID(cmp); DR(X); SM(HL, IMMU(1)); Fzac;

/*----------------------------------------------------------------------*/

/** 0100 0010                   cmpw    %0, %e1%!1                      */
  ID(cmp); W(); DR(AX); SM(None, IMMU(2)); Fzac;

/** 0110 0001 0100 1001         cmpw    %0, %e1%1                       */
  ID(cmp); W(); DR(AX); SM(HL, IMMU(1)); Fzac;

/** 0100 0100                   cmpw    %0, #%1                         */
  ID(cmp); W(); DR(AX); SC(IMMU(2)); Fzac;

/** 0100 0ra1                   cmpw    %0, %1                          */
  ID(cmp); W(); DR(AX); SRW(ra); Fzac;

/** 0100 0110                   cmpw    %0, %1                          */
  ID(cmp); W(); DR(AX); SM(None, SADDR); Fzac;

/*----------------------------------------------------------------------*/

/** 1011 0000                   dec     %e0%!0                          */
  ID(sub); DM(None, IMMU(2)); SC(1); Fza;

/** 0110 0001 0110 1001         dec     %e0%0                           */
  ID(sub); DM(HL, IMMU(1)); SC(1); Fza;

/** 1001 0reg                   dec     %0                              */
  ID(sub); DRB(reg); SC(1); Fza;

/** 1011 0100                   dec     %0                              */
  ID(sub); DM(None, SADDR); SC(1); Fza;

/*----------------------------------------------------------------------*/

/** 1011 0010                   decw    %e0%!0                          */
  ID(sub); W(); DM(None, IMMU(2)); SC(1);

/** 0110 0001 1000 1001         decw    %e0%0                           */
  ID(sub); W(); DM(HL, IMMU(1)); SC(1);

/** 1011 0rg1                   decw    %0                              */
  ID(sub); W(); DRW(rg); SC(1);

/** 1011 0110                   decw    %0                              */
  ID(sub); W(); DM(None, SADDR); SC(1);

/*----------------------------------------------------------------------*/

/** 0110 0001 1110 1101         halt                                    */
  ID(halt);

/*----------------------------------------------------------------------*/

/** 1010 0000                   inc     %e0%!0                          */
  ID(add); DM(None, IMMU(2)); SC(1); Fza;

/** 0110 0001 0101 1001         inc     %e0%0                           */
  ID(add); DM(HL, IMMU(1)); SC(1); Fza;

/** 1000 0reg                   inc     %0                              */
  ID(add); DRB(reg); SC(1); Fza;

/** 1010 0100                   inc     %0                              */
  ID(add); DM(None, SADDR); SC(1); Fza;

/*----------------------------------------------------------------------*/

/** 1010 0010                   incw    %e0%!0                          */
  ID(add); W(); DM(None, IMMU(2)); SC(1);

/** 0110 0001 0111 1001         incw    %e0%0                           */
  ID(add); W(); DM(HL, IMMU(1)); SC(1);

/** 1010 0rg1                   incw    %0                              */
  ID(add); W(); DRW(rg); SC(1);

/** 1010 0110                   incw    %0                              */
  ID(add); W(); DM(None, SADDR); SC(1);

/*----------------------------------------------------------------------*/

/** 1100 1111                   mov     %e0%!0, #%1                     */
  ID(mov); DM(None, IMMU(2)); SC(IMMU(1));

/** 1001 1111                   mov     %e0%!0, %1                      */
  ID(mov); DM(None, IMMU(2)); SR(A);

/** 1001 1001                   mov     %e0%0,%1                        */
  ID(mov); DM(DE, 0); SR(A);

/** 1100 1010                   mov     %e0%0, #%1                      */
  ID(mov); DM(DE, IMMU(1)); SC(IMMU(1));

/** 1001 1010                   mov     %e0%0, %1                       */
  ID(mov); DM(DE, IMMU(1)); SR(A);

/** 1001 1011                   mov     %e0%0,%1                        */
  ID(mov); DM(HL, 0); SR(A);

/** 0110 0001 1101 1001         mov     %e0%0, %1                       */
  ID(mov); DM2(HL, B, 0); SR(A);

/** 1100 1100                   mov     %e0%0, #%1                      */
  ID(mov); DM(HL, IMMU(1)); SC(IMMU(1));

/** 1001 1100                   mov     %e0%0, %1                       */
  ID(mov); DM(HL, IMMU(1)); SR(A);

/** 0110 0001 1111 1001         mov     %e0%0, %1                       */
  ID(mov); DM2(HL, C, 0); SR(A);

/** 1100 1000                   mov     %0, #%1                         */
  ID(mov); DM(SP, IMMU(1)); SC(IMMU(1));

/** 1001 1000                   mov     %0, %1                          */
  ID(mov); DM(SP, IMMU(1)); SR(A);

/** 1000 1111                   mov     %0, %e1%!1                      */
  ID(mov); DR(A); SM(None, IMMU(2));

/** 1000 1001                   mov     %0, %e1%1                       */
  ID(mov); DR(A); SM(DE, 0);

/** 1000 1010                   mov     %0, %e1%1                       */
  ID(mov); DR(A); SM(DE, IMMU(1));

/** 1000 1011                   mov     %0, %e1%1                       */
  ID(mov); DR(A); SM(HL, 0);

/** 1000 1100                   mov     %0, %e1%1                       */
  ID(mov); DR(A); SM(HL, IMMU(1));

/** 0110 0001 1100 1001         mov     %0, %e1%1                       */
  ID(mov); DR(A); SM2(HL, B, 0);

/** 0110 0001 1110 1001         mov     %0, %e1%1                       */
  ID(mov); DR(A); SM2(HL, C, 0);

/** 1000 1000                   mov     %0, %e1%1                       */
  ID(mov); DR(A); SM(SP, IMMU(1));

/** 0101 0reg                   mov     %0, #%1                         */
  ID(mov); DRB(reg); SC(IMMU(1));

/** 0110 0rba                   mov     %0, %1                          */
  ID(mov); DR(A); SRB(rba);

/** 1000 1110 1111 1101         mov     %0, %1                          */
  ID(mov); DR(A); SR(ES);

/** 0000 1001                   mov     %0, %e1%1                       */
  ID(mov); DR(A); SM(B, IMMU(2));

/** 0100 1001                   mov     %0, %e1%1                       */
  ID(mov); DR(A); SM(BC, IMMU(2));

/** 0010 1001                   mov     %0, %e1%1                       */
  ID(mov); DR(A); SM(C, IMMU(2));

/** 1000 1110                   mov     %0, %s1                         */
  ID(mov); DR(A); SM(None, SFR);

/** 1000 1101                   mov     %0, %1                          */
  ID(mov); DR(A); SM(None, SADDR);

/** 1110 1001                   mov     %0, %e1%!1                      */
  ID(mov); DR(B); SM(None, IMMU(2));

/** 0111 0rba                   mov     %0, %1                          */
  ID(mov); DRB(rba); SR(A);

/** 1110 1000                   mov     %0, %1                          */
  ID(mov); DR(B); SM(None, SADDR);

/** 1111 1001                   mov     %0, %e1%!1                      */
  ID(mov); DR(C); SM(None, IMMU(2));

/** 1111 1000                   mov     %0, %1                          */
  ID(mov); DR(C); SM(None, SADDR);

/** 1101 1001                   mov     %0, %e1%!1                      */
  ID(mov); DR(X); SM(None, IMMU(2));

/** 1101 1000                   mov     %0, %1                          */
  ID(mov); DR(X); SM(None, SADDR);

/** 1001 1110 1111 1100         mov     %0, %1                          */
  ID(mov); DR(CS); SR(A);

/** 0100 0001                   mov     %0, #%1                         */
  ID(mov); DR(ES); SC(IMMU(1)); 

/** 1001 1110 1111 1101         mov     %0, %1                          */
  ID(mov); DR(ES); SR(A);       

/** 0110 0001 1011 1000         mov     %0, %1                          */
  ID(mov); DR(ES); SM(None, SADDR);     

/** 0001 1001                   mov     %e0%0, #%1                      */
  ID(mov); DM(B, IMMU(2)); SC(IMMU(1)); 

/** 0001 1000                   mov     %e0%0, %1                       */
  ID(mov); DM(B, IMMU(2)); SR(A);       

/** 0011 1001                   mov     %e0%0, #%1                      */
  ID(mov); DM(BC, IMMU(2)); SC(IMMU(1));        

/** 0100 1000                   mov     %e0%0, %1                       */
  ID(mov); DM(BC, IMMU(2)); SR(A);      

/** 0011 1000                   mov     %e0%0, #%1                      */
  ID(mov); DM(C, IMMU(2)); SC(IMMU(1)); 

/** 0010 1000                   mov     %e0%0, %1                       */
  ID(mov); DM(C, IMMU(2)); SR(A);

/** 1100 1101                   mov     %0, #%1                         */
  ID(mov); DM(None, SADDR); SC(IMMU(1));

/** 1001 1101                   mov     %0, %1                          */
  ID(mov); DM(None, SADDR); SR(A);

/** 1100 1110                   mov     %s0, #%1                        */
  op0 = SFR;
  op1 = IMMU(1);
  ID(mov); DM(None, op0); SC(op1);
  if (op0 == 0xffffb)
    switch (op1)
      {
      case 0x01:
        rl78->syntax = "mulhu"; ID(mulhu);
        break;
      case 0x02:
        rl78->syntax = "mulh"; ID(mulh);
        break;
      case 0x03:
        rl78->syntax = "divhu"; ID(divhu);
        break;
      case 0x04:
        rl78->syntax = "divwu"; ID(divwu);
        break;
      case 0x05:
        rl78->syntax = "machu"; ID(machu);
        break;
      case 0x06:
        rl78->syntax = "mach"; ID(mach);
        break;
      }

/** 1001 1110                   mov     %0, %1                          */
  ID(mov); DM(None, SFR); SR(A);

/*----------------------------------------------------------------------*/

/** 0111 0001 1bit 0001         mov1    %e0%0, cy                       */
  ID(mov); DM(HL, 0); DB(bit); SCY();

/** 0111 0001 1bit 1001         mov1    %e0%0, cy                       */
  ID(mov); DR(A); DB(bit); SCY();

/** 0111 0001 1bit 0100         mov1    cy, %e1%1                       */
  ID(mov); DCY(); SM(HL, 0); SB(bit);

/** 0111 0001 1bit 1100         mov1    cy, %e1%1                       */
  ID(mov); DCY(); SR(A); SB(bit);

/** 0111 0001 0bit 0100         mov1    cy, %1                          */
  ID(mov); DCY(); SM(None, SADDR); SB(bit);

/** 0111 0001 0bit 1100         mov1    cy, %s1                         */
  ID(mov); DCY(); SM(None, SFR); SB(bit);

/** 0111 0001 0bit 0001         mov1    %0, cy                          */
  ID(mov); DM(None, SADDR); DB(bit); SCY();

/** 0111 0001 0bit 1001         mov1    %s0, cy                         */
  ID(mov); DM(None, SFR); DB(bit); SCY();

/*----------------------------------------------------------------------*/

/** 0110 0001 1100 1110         movs    %e0%0, %1                       */
  ID(mov); DM(HL, IMMU(1)); SR(X); Fzc;

/*----------------------------------------------------------------------*/

/** 1011 1111                   movw    %e0%!0, %1                      */
  ID(mov); W(); DM(None, IMMU(2)); SR(AX);

/** 1011 1001                   movw    %e0%0, %1                       */
  ID(mov); W(); DM(DE, 0); SR(AX);

/** 1011 1010                   movw    %e0%0, %1                       */
  ID(mov); W(); DM(DE, IMMU(1)); SR(AX);

/** 1011 1011                   movw    %e0%0, %1                       */
  ID(mov); W(); DM(HL, 0); SR(AX);

/** 1011 1100                   movw    %e0%0, %1                       */
  ID(mov); W(); DM(HL, IMMU(1)); SR(AX);

/** 1011 1000                   movw    %0, %1                          */
  ID(mov); W(); DM(SP, IMMU(1)); SR(AX);

/** 1010 1111                   movw    %0, %e1%!1                      */
  ID(mov); W(); DR(AX); SM(None, IMMU(2));


/** 1010 1001                   movw    %0, %e1%1                       */
  ID(mov); W(); DR(AX); SM(DE, 0);

/** 1010 1010                   movw    %0, %e1%1                       */
  ID(mov); W(); DR(AX); SM(DE, IMMU(1));

/** 1010 1011                   movw    %0, %e1%1                       */
  ID(mov); W(); DR(AX); SM(HL, 0);

/** 1010 1100                   movw    %0, %e1%1                       */
  ID(mov); W(); DR(AX); SM(HL, IMMU(1));

/** 1010 1000                   movw    %0, %1                          */
  ID(mov); W(); DR(AX); SM(SP, IMMU(1));

/** 0011 0rg0                   movw    %0, #%1                         */
  ID(mov); W(); DRW(rg); SC(IMMU(2));

/** 0001 0ra1                   movw    %0, %1                          */
  ID(mov); W(); DR(AX); SRW(ra);

/** 0001 0ra0                   movw    %0, %1                          */
  ID(mov); W(); DRW(ra); SR(AX);

/** 0101 1001                   movw    %0, %e1%1                       */
  ID(mov); W(); DR(AX); SM(B, IMMU(2));

/** 0110 1001                   movw    %0, %e1%1                       */
  ID(mov); W(); DR(AX); SM(C, IMMU(2));

/** 0111 1001                   movw    %0, %e1%1                       */
  ID(mov); W(); DR(AX); SM(BC, IMMU(2));

/** 0101 1000                   movw    %e0%0, %1                       */
  ID(mov); W(); DM(B, IMMU(2)); SR(AX);

/** 0110 1000                   movw    %e0%0, %1                       */
  ID(mov); W(); DM(C, IMMU(2)); SR(AX);

/** 0111 1000                   movw    %e0%0, %1                       */
  ID(mov); W(); DM(BC, IMMU(2)); SR(AX);

/** 1010 1101                   movw    %0, %1                          */
  ID(mov); W(); DR(AX); SM(None, SADDR);

/** 1010 1110                   movw    %0, %s1                         */
  ID(mov); W(); DR(AX); SM(None, SFR);

/** 11ra 1011                   movw    %0, %e1%!1                      */
  ID(mov); W(); DRW(ra); SM(None, IMMU(2));

/** 11ra 1010                   movw    %0, %1                          */
  ID(mov); W(); DRW(ra); SM(None, SADDR);

/** 1100 1001                   movw    %0, #%1                         */
  ID(mov); W(); DM(None, SADDR); SC(IMMU(2));

/** 1011 1101                   movw    %0, %1                          */
  ID(mov); W(); DM(None, SADDR); SR(AX);

/** 1100 1011                   movw    %0, #%1                         */
  ID(mov); W(); DM(None, SFR); SC(IMMU(2));

/** 1011 1110                   movw    %0, %1                          */
  ID(mov); W(); DM(None, SFR); SR(AX);

/*----------------------------------------------------------------------*/

/** 1101 0110                   mulu    x                               */
  ID(mulu);

/*----------------------------------------------------------------------*/

/** 0000 0000                   nop                                     */
  ID(nop);

/*----------------------------------------------------------------------*/

/** 0111 0001 1100 0000         not1    cy                              */
  ID(xor); DCY(); SC(1);

/*----------------------------------------------------------------------*/

/** 1110 0101                   oneb    %e0%!0                          */
  ID(mov); DM(None, IMMU(2)); SC(1);

/** 1110 00rg                   oneb    %0                              */
  ID(mov); DRB(rg); SC(1);

/** 1110 0100                   oneb    %0                              */
  ID(mov); DM(None, SADDR); SC(1);

/*----------------------------------------------------------------------*/

/** 1110 0110                   onew    %0                              */
  ID(mov); DR(AX); SC(1);

/** 1110 0111                   onew    %0                              */
  ID(mov); DR(BC); SC(1);

/*----------------------------------------------------------------------*/

/** 0110 1111                   or      %0, %e1%!1                      */
  ID(or); DR(A); SM(None, IMMU(2)); Fz;

/** 0110 1101                   or      %0, %e1%1                       */
  ID(or); DR(A); SM(HL, 0); Fz;

/** 0110 0001 1110 0000         or      %0, %e1%1                       */
  ID(or); DR(A); SM2(HL, B, 0); Fz;

/** 0110 1110                   or      %0, %e1%1                       */
  ID(or); DR(A); SM(HL, IMMU(1)); Fz;

/** 0110 0001 1110 0010         or      %0, %e1%1                       */
  ID(or); DR(A); SM2(HL, C, 0); Fz;

/** 0110 1100                   or      %0, #%1                         */
  ID(or); DR(A); SC(IMMU(1)); Fz;

/** 0110 0001 0110 1rba         or      %0, %1                          */
  ID(or); DR(A); SRB(rba); Fz;

/** 0110 0001 0110 0reg         or      %0, %1                          */
  ID(or); DRB(reg); SR(A); Fz;

/** 0110 1011                   or      %0, %1                          */
  ID(or); DR(A); SM(None, SADDR); Fz;

/** 0110 1010                   or      %0, #%1                         */
  ID(or); DM(None, SADDR); SC(IMMU(1)); Fz;

/*----------------------------------------------------------------------*/

/** 0111 0001 1bit 0110         or1     cy, %e1%1                       */
  ID(or); DCY(); SM(HL, 0); SB(bit);

/** 0111 0001 1bit 1110         or1     cy, %1                          */
  ID(or); DCY(); SR(A); SB(bit);

/** 0111 0001 0bit 1110         or1     cy, %s1                         */
  ID(or); DCY(); SM(None, SFR); SB(bit);

/** 0111 0001 0bit 0110         or1     cy, %s1                         */
  ID(or); DCY(); SM(None, SADDR); SB(bit);

/*----------------------------------------------------------------------*/

/** 1100 0rg0                   pop     %0                              */
  ID(mov); W(); DRW(rg); SPOP();

/** 0110 0001 1100 1101         pop     %s0                             */
  ID(mov); W(); DR(PSW); SPOP();

/*----------------------------------------------------------------------*/

/** 1100 0rg1                   push    %1                              */
  ID(mov); W(); DPUSH(); SRW(rg);

/** 0110 0001 1101 1101         push    %s1                             */
  ID(mov); W(); DPUSH(); SR(PSW);

/*----------------------------------------------------------------------*/

/** 1101 0111                   ret                                     */
  ID(ret);

/** 0110 0001 1111 1100         reti                                    */
  ID(reti);

/** 0110 0001 1110 1100         retb                                    */
  ID(reti);

/*----------------------------------------------------------------------*/

/** 0110 0001 1110 1011         rol     %0, %1                          */
  ID(rol); DR(A); SC(1);

/** 0110 0001 1101 1100         rolc    %0, %1                          */
  ID(rolc); DR(A); SC(1);

/** 0110 0001 111r 1110         rolwc   %0, %1                          */
  ID(rolc); W(); DRW(r); SC(1);

/** 0110 0001 1101 1011         ror     %0, %1                          */
  ID(ror); DR(A); SC(1);

/** 0110 0001 1111 1011         rorc    %0, %1                          */
  ID(rorc); DR(A); SC(1);

/*----------------------------------------------------------------------*/

/* Note that the branch insns need to be listed before the shift
   ones, as "shift count of zero" means "branch insn" */

/** 0011 0001 0cnt 1011         sar     %0, %1                          */
  ID(sar); DR(A); SC(cnt);

/** 0011 0001 wcnt 1111         sarw    %0, %1                          */
  ID(sar); W(); DR(AX); SC(wcnt);

/*----------------------------------------------------------------------*/

/** 0110 0001 11rb 1111         sel     rb%1                            */
  ID(sel); SC(rb);

/*----------------------------------------------------------------------*/

/** 0111 0001 0bit 0000         set1    %e0%!0                          */
  ID(mov); DM(None, IMMU(2)); DB(bit); SC(1);

/** 0111 0001 1bit 0010         set1    %e0%0                           */
  ID(mov); DM(HL, 0); DB(bit); SC(1);

/** 0111 0001 1bit 1010         set1    %0                              */
  ID(mov); DR(A); DB(bit); SC(1);

/** 0111 0001 1000 0000         set1    cy                              */
  ID(mov); DCY(); SC(1);

/** 0111 0001 0bit 1010         set1    %s0                             */
  op0 = SFR;
  ID(mov); DM(None, op0); DB(bit); SC(1);
  if (op0 == RL78_SFR_PSW && bit == 7)
    rl78->syntax = "ei";

/** 0111 0001 0bit 0010         set1    %0                              */
  ID(mov); DM(None, SADDR); DB(bit); SC(1);

/*----------------------------------------------------------------------*/

/** 0011 0001 0cnt 1001         shl     %0, %1                          */
  ID(shl); DR(A); SC(cnt);

/** 0011 0001 0cnt 1000         shl     %0, %1                          */
  ID(shl); DR(B); SC(cnt);

/** 0011 0001 0cnt 0111         shl     %0, %1                          */
  ID(shl); DR(C); SC(cnt);

/** 0011 0001 wcnt 1101         shlw    %0, %1                          */
  ID(shl); W(); DR(AX); SC(wcnt);

/** 0011 0001 wcnt 1100         shlw    %0, %1                          */
  ID(shl); W(); DR(BC); SC(wcnt);

/*----------------------------------------------------------------------*/

/** 0011 0001 0cnt 1010         shr     %0, %1                          */
  ID(shr); DR(A); SC(cnt);

/** 0011 0001 wcnt 1110         shrw    %0, %1                          */
  ID(shr); W(); DR(AX); SC(wcnt);

/*----------------------------------------------------------------------*/

/** 0110 0001 1100 1000         sk%c1                                   */
  ID(skip); COND(C);

/** 0110 0001 1110 0011         sk%c1                                   */
  ID(skip); COND(H);

/** 0110 0001 1101 1000         sk%c1                                   */
  ID(skip); COND(NC);

/** 0110 0001 1111 0011         sk%c1                                   */
  ID(skip); COND(NH);

/** 0110 0001 1111 1000         sk%c1                                   */
  ID(skip); COND(NZ);

/** 0110 0001 1110 1000         sk%c1                                   */
  ID(skip); COND(Z);

/*----------------------------------------------------------------------*/

/** 0110 0001 1111 1101 stop                                    */
  ID(stop);

/*----------------------------------------------------------------------*/

/** 0010 1111                   sub     %0, %e1%!1                      */
  ID(sub); DR(A); SM(None, IMMU(2)); Fzac;

/** 0010 1101                   sub     %0, %e1%1                       */
  ID(sub); DR(A); SM(HL, 0); Fzac;

/** 0110 0001 1010 000          sub     %0, %e1%1                       */
  ID(sub); DR(A); SM2(HL, B, 0); Fzac;

/** 0010 1110                   sub     %0, %e1%1                       */
  ID(sub); DR(A); SM(HL, IMMU(1)); Fzac;

/** 0110 0001 1010 0010         sub     %0, %e1%1                       */
  ID(sub); DR(A); SM2(HL, C, 0); Fzac;

/** 0010 1100                   sub     %0, #%1                         */
  ID(sub); DR(A); SC(IMMU(1)); Fzac;

/** 0110 0001 0010 1rba         sub     %0, %1                          */
  ID(sub); DR(A); SRB(rba); Fzac;

/** 0010 1011                   sub     %0, %1                          */
  ID(sub); DR(A); SM(None, SADDR); Fzac;

/** 0110 0001 0010 0reg         sub     %0, %1                          */
  ID(sub); DRB(reg); SR(A); Fzac;

/** 0010 1010                   sub     %0, #%1                         */
  ID(sub); DM(None, SADDR); SC(IMMU(1)); Fzac;

/*----------------------------------------------------------------------*/

/** 0011 1111                   subc    %0, %e1%!1                      */
  ID(subc); DR(A); SM(None, IMMU(2)); Fzac;

/** 0011 1101                   subc    %0, %e1%1                       */
  ID(subc); DR(A); SM(HL, 0); Fzac;

/** 0110 0001 1011 0000         subc    %0, %e1%1                       */
  ID(subc); DR(A); SM2(HL, B, 0); Fzac;

/** 0110 0001 1011 0010         subc    %0, %e1%1                       */
  ID(subc); DR(A); SM2(HL, C, 0); Fzac;

/** 0011 1110                   subc    %0, %e1%1                       */
  ID(subc); DR(A); SM(HL, IMMU(1)); Fzac;

/** 0011 1100                   subc    %0, #%1                         */
  ID(subc); DR(A); SC(IMMU(1)); Fzac;

/** 0110 0001 0011 1rba         subc    %0, %1                          */
  ID(subc); DR(A); SRB(rba); Fzac;

/** 0110 0001 0011 0reg         subc    %0, %1                          */
  ID(subc); DRB(reg); SR(A); Fzac;

/** 0011 1011                   subc    %0, %1                          */
  ID(subc); DR(A); SM(None, SADDR); Fzac;

/** 0011 1010                   subc    %0, #%1                         */
  ID(subc); DM(None, SADDR); SC(IMMU(1)); Fzac;

/*----------------------------------------------------------------------*/

/** 0010 0010                   subw    %0, %e1%!1                      */
  ID(sub); W(); DR(AX); SM(None, IMMU(2)); Fzac;

/** 0110 0001 0010 1001         subw    %0, %e1%1                       */
  ID(sub); W(); DR(AX); SM(HL, IMMU(1)); Fzac;

/** 0010 0100                   subw    %0, #%1                         */
  ID(sub); W(); DR(AX); SC(IMMU(2)); Fzac;

/** 0010 0rw1                   subw    %0, %1                          */
  ID(sub); W(); DR(AX); SRW(rw); Fzac;

/** 0010 0110                   subw    %0, %1                          */
  ID(sub); W(); DR(AX); SM(None, SADDR); Fzac;

/** 0010 0000                   subw    %0, #%1                         */
  ID(sub); W(); DR(SP); SC(IMMU(1)); Fzac;

/*----------------------------------------------------------------------*/

/** 0110 0001 1010 1010         xch     %0, %e1%!1                      */
  ID(xch); DR(A); SM(None, IMMU(2));

/** 0110 0001 1010 1110         xch     %0, %e1%1                       */
  ID(xch); DR(A); SM(DE, 0);

/** 0110 0001 1010 1111         xch     %0, %e1%1                       */
  ID(xch); DR(A); SM(DE, IMMU(1));

/** 0110 0001 1010 1100         xch     %0, %e1%1                       */
  ID(xch); DR(A); SM(HL, 0);

/** 0110 0001 1011 1001         xch     %0, %e1%1                       */
  ID(xch); DR(A); SM2(HL, B, 0);

/** 0110 0001 1010 1101         xch     %0, %e1%1                       */
  ID(xch); DR(A); SM(HL, IMMU(1));

/** 0110 0001 1010 1001         xch     %0, %e1%1                       */
  ID(xch); DR(A); SM2(HL, C, 0);

/** 0110 0001 1000 1reg         xch     %0, %1                          */
  /* Note: DECW uses reg == X, so this must follow DECW */
  ID(xch); DR(A); SRB(reg);

/** 0110 0001 1010 1000         xch     %0, %1                          */
  ID(xch); DR(A); SM(None, SADDR);

/** 0110 0001 1010 1011         xch     %0, %1                          */
  ID(xch); DR(A); SM(None, SFR);

/** 0000 1000                   xch     a, x                            */
  ID(xch); DR(A); SR(X);

/*----------------------------------------------------------------------*/

/** 0011 0ra1                   xchw    %0, %1                          */
  ID(xch); W(); DR(AX); SRW(ra);

/*----------------------------------------------------------------------*/

/** 0111 1111                   xor     %0, %e1%!1                      */
  ID(xor); DR(A); SM(None, IMMU(2)); Fz;

/** 0111 1101                   xor     %0, %e1%1                       */
  ID(xor); DR(A); SM(HL, 0); Fz;

/** 0110 0001 1111 0000         xor     %0, %e1%1                       */
  ID(xor); DR(A); SM2(HL, B, 0); Fz;

/** 0111 1110                   xor     %0, %e1%1                       */
  ID(xor); DR(A); SM(HL, IMMU(1)); Fz;

/** 0110 0001 1111 0010         xor     %0, %e1%1                       */
  ID(xor); DR(A); SM2(HL, C, 0); Fz;

/** 0111 1100                   xor     %0, #%1                         */
  ID(xor); DR(A); SC(IMMU(1)); Fz;

/** 0110 0001 0111 1rba         xor     %0, %1                          */
  ID(xor); DR(A); SRB(rba); Fz;

/** 0110 0001 0111 0reg         xor     %0, %1                          */
  ID(xor); DRB(reg); SR(A); Fz;

/** 0111 1011                   xor     %0, %1                          */
  ID(xor); DR(A); SM(None, SADDR); Fz;

/** 0111 1010                   xor     %0, #%1                         */
  ID(xor); DM(None, SADDR); SC(IMMU(1)); Fz;

/*----------------------------------------------------------------------*/

/** 0111 0001 1bit 0111         xor1    cy, %e1%1                       */
  ID(xor); DCY(); SM(HL, 0); SB(bit);

/** 0111 0001 1bit 1111         xor1    cy, %1                          */
  ID(xor); DCY(); SR(A); SB(bit);

/** 0111 0001 0bit 1111         xor1    cy, %s1                         */
  ID(xor); DCY(); SM(None, SFR); SB(bit);

/** 0111 0001 0bit 0111         xor1    cy, %s1                         */
  ID(xor); DCY(); SM(None, SADDR); SB(bit);

/*----------------------------------------------------------------------*/

/** */

  return rl78->n_bytes;
}
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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [opcodes/] [rl78-decode.opc] - Rev 259
