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Dasm68HC11.cpp
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Dasm68HC11.cpp
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/***************************************************************************
* dasmfw -- Disassembler Framework *
* *
* 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., 675 Mass Ave, Cambridge, MA 02139, USA. *
***************************************************************************/
/*****************************************************************************/
/* Dasm68HC11.cpp : 68HC11 disassembler classes implementation */
/*****************************************************************************/
#include "Dasm68HC11.h"
/*****************************************************************************/
/* Create68HC11 : create an 68HC11 disassembler */
/*****************************************************************************/
static Disassembler *Create68HC11(Application *pApp)
{
Disassembler *pDasm = new Dasm68HC11(pApp);
if (pDasm) pDasm->Setup();
return pDasm;
}
/*****************************************************************************/
/* Auto-registration */
/*****************************************************************************/
static bool bRegistered[] =
{
RegisterDisassembler("hc11", Create68HC11),
};
/*===========================================================================*/
/* Dasm68HC11 class members */
/*===========================================================================*/
/*****************************************************************************/
/* m68hc11_codes : table of all 68HC11 instruction bytes and types */
/*****************************************************************************/
CMatrixEntry Dasm68HC11::m68hc11_codes[256] =
{
{_test ,_imp}, {_nop ,_imp}, {_idiv ,_imp}, {_fdiv ,_imp}, /* 00..03 */
{_lsrd ,_imp}, {_asld ,_imp}, {_tap ,_imp}, {_tpa ,_imp}, /* 04..07 */
{_inx ,_imp}, {_dex ,_imp}, {_clv ,_imp}, {_sev ,_imp}, /* 08..0B */
{_clc ,_imp}, {_sec ,_imp}, {_cli ,_imp}, {_sei ,_imp}, /* 0C..0F */
{_sba ,_imp}, {_cba ,_imp}, {_brset,_bbd}, {_brclr,_bbd}, /* 10..13 */
{_bset ,_bd }, {_bclr ,_bd }, {_tab ,_imp}, {_tba ,_imp}, /* 14..17 */
{_ill ,_nom}, {_daa ,_imp}, {_ill ,_nom}, {_aba ,_imp}, /* 18..1B */
{_bset ,_bi }, {_bclr ,_bi }, {_brset,_bbi}, {_brclr,_bbi}, /* 1C..1F */
{_bra ,_reb}, {_brn ,_reb}, {_bhi ,_reb}, {_bls ,_reb}, /* 20..23 */
{_bcc ,_reb}, {_bcs ,_reb}, {_bne ,_reb}, {_beq ,_reb}, /* 24..27 */
{_bvc ,_reb}, {_bvs ,_reb}, {_bpl ,_reb}, {_bmi ,_reb}, /* 28..2B */
{_bge ,_reb}, {_blt ,_reb}, {_bgt ,_reb}, {_ble ,_reb}, /* 2C..2F */
{_tsx ,_imp}, {_ins ,_imp}, {_pula ,_imp}, {_pulb ,_imp}, /* 30..33 */
{_des ,_imp}, {_txs ,_imp}, {_psha ,_imp}, {_pshb ,_imp}, /* 34..37 */
{_pulx ,_imp}, {_rts ,_imp}, {_abx ,_imp}, {_rti ,_imp}, /* 38..3B */
{_pshx ,_imp}, {_mul ,_imp}, {_wai ,_imp}, {_swi ,_imp}, /* 3C..3F */
{_nega ,_imp}, {_ill ,_nom}, {_ill ,_nom}, {_coma ,_imp}, /* 40..43 */
{_lsra ,_imp}, {_ill ,_nom}, {_rora ,_imp}, {_asra ,_imp}, /* 44..47 */
{_asla ,_imp}, {_rola ,_imp}, {_deca ,_imp}, {_ill ,_nom}, /* 48..4B */
{_inca ,_imp}, {_tsta ,_imp}, {_ill ,_nom}, {_clra ,_imp}, /* 4C..4F */
{_negb ,_imp}, {_ill ,_nom}, {_ill ,_nom}, {_comb ,_imp}, /* 50..53 */
{_lsrb ,_imp}, {_ill ,_nom}, {_rorb ,_imp}, {_asrb ,_imp}, /* 54..57 */
{_aslb ,_imp}, {_rolb ,_imp}, {_decb ,_imp}, {_ill ,_nom}, /* 58..5B */
{_incb ,_imp}, {_tstb ,_imp}, {_ill ,_nom}, {_clrb ,_imp}, /* 5C..5F */
{_neg ,_ix8}, {_ill ,_nom}, {_ill ,_nom}, {_com ,_ix8}, /* 60..63 */
{_lsr ,_ix8}, {_ill ,_nom}, {_ror ,_ix8}, {_asr ,_ix8}, /* 64..67 */
{_asl ,_ix8}, {_rol ,_ix8}, {_dec ,_ix8}, {_ill ,_nom}, /* 68..6B */
{_inc ,_ix8}, {_tst ,_ix8}, {_jmp ,_ix8}, {_clr ,_ix8}, /* 6C..6F */
{_neg ,_ext}, {_ill ,_nom}, {_ill ,_nom}, {_com ,_ext}, /* 70..73 */
{_lsr ,_ext}, {_ill ,_nom}, {_ror ,_ext}, {_asr ,_ext}, /* 74..77 */
{_asl ,_ext}, {_rol ,_ext}, {_dec ,_ext}, {_ill ,_nom}, /* 78..7B */
{_inc ,_ext}, {_tst ,_ext}, {_jmp ,_ext}, {_clr ,_ext}, /* 7C..7F */
{_suba ,_imb}, {_cmpa ,_imb}, {_sbca ,_imb}, {_subd ,_imw}, /* 80..83 */
{_anda ,_imb}, {_bita ,_imb}, {_lda ,_imb}, {_ill ,_nom}, /* 84..87 */
{_eora ,_imb}, {_adca ,_imb}, {_ora ,_imb}, {_adda ,_imb}, /* 88..8B */
{_cpx ,_imw}, {_bsr ,_reb}, {_lds ,_imw}, {_xgdx ,_imp}, /* 8C..8F */
{_suba ,_dir}, {_cmpa ,_dir}, {_sbca ,_dir}, {_subd ,_dir}, /* 90..93 */
{_anda ,_dir}, {_bita ,_dir}, {_lda ,_dir}, {_sta ,_dir}, /* 94..97 */
{_eora ,_dir}, {_adca ,_dir}, {_ora ,_dir}, {_adda ,_dir}, /* 98..9B */
{_cpx ,_dir}, {_jsr ,_dir}, {_lds ,_dir}, {_sts ,_dir}, /* 9C..9F */
{_suba ,_ix8}, {_cmpa ,_ix8}, {_sbca ,_ix8}, {_subd ,_ix8}, /* A0..A3 */
{_anda ,_ix8}, {_bita ,_ix8}, {_lda ,_ix8}, {_sta ,_ix8}, /* A4..A7 */
{_eora ,_ix8}, {_adca ,_ix8}, {_ora ,_ix8}, {_adda ,_ix8}, /* A8..AB */
{_cpx ,_ix8}, {_jsr ,_ix8}, {_lds ,_ix8}, {_sts ,_ix8}, /* AC..AF */
{_suba ,_ext}, {_cmpa ,_ext}, {_sbca ,_ext}, {_subd ,_ext}, /* B0..B3 */
{_anda ,_ext}, {_bita ,_ext}, {_lda ,_ext}, {_sta ,_ext}, /* B4..B7 */
{_eora ,_ext}, {_adca ,_ext}, {_ora ,_ext}, {_adda ,_ext}, /* B8..BB */
{_cpx ,_ext}, {_jsr ,_ext}, {_lds ,_ext}, {_sts ,_ext}, /* BC..BF */
{_subb ,_imb}, {_cmpb ,_imb}, {_sbcb ,_imb}, {_addd ,_imw}, /* C0..C3 */
{_andb ,_imb}, {_bitb ,_imb}, {_ldb ,_imb}, {_ill ,_nom}, /* C4..C7 */
{_eorb ,_imb}, {_adcb ,_imb}, {_orb ,_imb}, {_addb ,_imb}, /* C8..CB */
{_ldd ,_imw}, {_ill ,_nom}, {_ldx ,_imw}, {_stop ,_imp}, /* CC..CF */
{_subb ,_dir}, {_cmpb ,_dir}, {_sbcb ,_dir}, {_addd ,_dir}, /* D0..D3 */
{_andb ,_dir}, {_bitb ,_dir}, {_ldb ,_dir}, {_stb ,_dir}, /* D4..D7 */
{_eorb ,_dir}, {_adcb ,_dir}, {_orb ,_dir}, {_addb ,_dir}, /* D8..DB */
{_ldd ,_dir}, {_std ,_dir}, {_ldx ,_dir}, {_stx ,_dir}, /* DC..DF */
{_subb ,_ix8}, {_cmpb ,_ix8}, {_sbcb ,_ix8}, {_addd ,_ix8}, /* E0..E3 */
{_andb ,_ix8}, {_bitb ,_ix8}, {_ldb ,_ix8}, {_stb ,_ix8}, /* E4..E7 */
{_eorb ,_ix8}, {_adcb ,_ix8}, {_orb ,_ix8}, {_addb ,_ix8}, /* E8..EB */
{_ldd ,_ix8}, {_std ,_ix8}, {_ldx ,_ix8}, {_stx ,_ix8}, /* EC..EF */
{_subb ,_ext}, {_cmpb ,_ext}, {_sbcb ,_ext}, {_addd ,_ext}, /* F0..F3 */
{_andb ,_ext}, {_bitb ,_ext}, {_ldb ,_ext}, {_stb ,_ext}, /* F4..F7 */
{_eorb ,_ext}, {_adcb ,_ext}, {_orb ,_ext}, {_addb ,_ext}, /* F8..FB */
{_ldd ,_ext}, {_std ,_ext}, {_ldx ,_ext}, {_stx ,_ext}, /* FC..FF */
};
/*****************************************************************************/
/* m68hc11_codes18 : $18 extended instruction 2nd byte */
/*****************************************************************************/
CMatrixEntry Dasm68HC11::m68hc11_codes18[256] =
{
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 00..03 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 04..07 */
{_iny ,_imp}, {_dey ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 08..0B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 0C..0F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 10..13 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 14..17 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 18..1B */
{_bset ,_bi }, {_bclr ,_bi }, {_brset,_bbi}, {_brclr,_bbi}, /* 1C..1F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 20..23 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 24..27 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 28..2B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 2C..2F */
{_tsy ,_imp}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 30..33 */
{_ill ,_nom}, {_tys ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 34..37 */
{_puly ,_imp}, {_ill ,_nom}, {_aby ,_imp}, {_ill ,_nom}, /* 38..3B */
{_pshy ,_imp}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 3C..3F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 40..43 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 44..47 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 48..4B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 4C..4F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 50..53 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 54..57 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 58..5B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 5C..5F */
{_neg ,_ix8}, {_ill ,_nom}, {_ill ,_nom}, {_com ,_ix8}, /* 60..63 */
{_lsr ,_ix8}, {_ill ,_nom}, {_ror ,_ix8}, {_asr ,_ix8}, /* 64..67 */
{_asl ,_ix8}, {_rol ,_ix8}, {_dec ,_ix8}, {_ill ,_nom}, /* 68..6B */
{_inc ,_ix8}, {_tst ,_ix8}, {_jmp ,_ix8}, {_clr ,_ix8}, /* 6C..6F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 70..73 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 74..77 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 78..7B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 7C..7F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 80..83 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 84..87 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 88..8B */
{_cpy ,_imw}, {_ill ,_nom}, {_ill ,_nom}, {_xgdy ,_imp}, /* 8C..8F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 90..93 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 94..97 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 98..9B */
{_cpy ,_dir}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 9C..9F */
{_suba ,_ix8}, {_cmpa ,_ix8}, {_sbca ,_ix8}, {_subd ,_ix8}, /* A0..A3 */
{_anda ,_ix8}, {_bita ,_ix8}, {_lda ,_ix8}, {_sta ,_ix8}, /* A4..A7 */
{_eora ,_ix8}, {_adca ,_ix8}, {_ora ,_ix8}, {_adda ,_ix8}, /* A8..AB */
{_cpy ,_ix8}, {_jsr ,_ix8}, {_lds ,_ix8}, {_sts ,_ix8}, /* AC..AF */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* B0..B3 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* B4..B7 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* B8..BB */
{_cpy ,_ext}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* BC..BF */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* C0..C3 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* C4..C7 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* C8..CB */
{_ill ,_nom}, {_ill ,_nom}, {_ldy ,_imw}, {_ill ,_nom}, /* CC..CF */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* D0..D3 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* D4..D7 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* D8..DB */
{_ill ,_nom}, {_ill ,_nom}, {_ldy ,_dir}, {_sty ,_dir}, /* DC..DF */
{_subb ,_ix8}, {_cmpb ,_ix8}, {_sbcb ,_ix8}, {_addd ,_ix8}, /* E0..E3 */
{_andb ,_ix8}, {_bitb ,_ix8}, {_ldb ,_ix8}, {_stb ,_ix8}, /* E4..E7 */
{_eorb ,_ix8}, {_adcb ,_ix8}, {_orb ,_ix8}, {_addb ,_ix8}, /* E8..EB */
{_ldd ,_ix8}, {_std ,_ix8}, {_ldy ,_ix8}, {_sty ,_ix8}, /* EC..EF */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* F0..F3 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* F4..F7 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* F8..FB */
{_ill ,_nom}, {_ill ,_nom}, {_ldy ,_ext}, {_sty ,_ext}, /* FC..FF */
};
/*****************************************************************************/
/* m68hc11_codes1a : $1A extended instruction 2nd byte */
/*****************************************************************************/
CMatrixEntry Dasm68HC11::m68hc11_codes1a[256] =
{
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 00..03 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 04..07 */
{_iny ,_imp}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 08..0B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 0C..0F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 10..13 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 14..17 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 18..1B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 1C..1F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 20..23 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 24..27 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 28..2B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 2C..2F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 30..33 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 34..37 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 38..3B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 3C..3F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 40..43 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 44..47 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 48..4B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 4C..4F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 50..53 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 54..57 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 58..5B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 5C..5F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 60..63 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 64..67 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 68..6B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 6C..6F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 70..73 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 74..77 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 78..7B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 7C..7F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_cpd ,_imw}, /* 80..83 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 84..87 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 88..8B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 8C..8F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_cpd ,_dir}, /* 90..93 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 94..97 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 98..9B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 9C..9F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_cpd ,_ix8}, /* A0..A3 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* A4..A7 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* A8..AB */
{_cpy ,_ix8}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* AC..AF */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_cpd ,_ext}, /* B0..B3 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* B4..B7 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* B8..BB */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* BC..BF */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* C0..C3 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* C4..C7 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* C8..CB */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* CC..CF */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* D0..D3 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* D4..D7 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* D8..DB */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* DC..DF */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* E0..E3 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* E4..E7 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* E8..EB */
{_ill ,_nom}, {_ill ,_nom}, {_ldy ,_ix8}, {_sty ,_ix8}, /* EC..EF */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* F0..F3 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* F4..F7 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* F8..FB */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* FC..FF */
};
/*****************************************************************************/
/* m68hc11_codescd : $CD extended instruction 2nd byte */
/*****************************************************************************/
CMatrixEntry Dasm68HC11::m68hc11_codescd[256] =
{
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 00..03 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 04..07 */
{_iny ,_imp}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 08..0B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 0C..0F */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 10..13 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 14..17 */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 18..1B */
{_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, {_ill ,_nom}, /* 1C..1F */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 20..23 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 24..27 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 28..2B */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 2C..2F */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 30..33 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 34..37 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 38..3B */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 3C..3F */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 40..43 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 44..47 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 48..4B */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 4C..4F */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 50..53 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 54..57 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 58..5B */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 5C..5F */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 60..63 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 64..67 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 68..6B */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 6C..6F */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 70..73 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 74..77 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 78..7B */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 7C..7F */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 80..83 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 84..87 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 88..8B */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 8C..8F */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 90..93 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 94..97 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 98..9B */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* 9C..9F */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_cpd ,_ix8}, /* A0..A3 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* A4..A7 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* A8..AB */
{_cpx ,_ix8}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* AC..AF */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* B0..B3 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* B4..B7 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* B8..BB */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* BC..BF */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* C0..C3 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* C4..C7 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* C8..CB */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* CC..CF */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* D0..D3 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* D4..D7 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* D8..DB */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* DC..DF */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* E0..E3 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* E4..E7 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* E8..EB */
{_ill ,_nom}, {_nop ,_imp}, {_ldx ,_ix8}, {_stx ,_ix8}, /* EC..EF */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* F0..F3 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* F4..F7 */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* F8..FB */
{_ill ,_nom}, {_nop ,_imp}, {_ill ,_nom}, {_ill ,_nom}, /* FC..FF */
};
/*****************************************************************************/
/* opcodes : additional opcodes over 6800 */
/*****************************************************************************/
OpCode Dasm68HC11::opcodes[mnemo68HC11_count - mnemo6801_count] =
{
{ "ABY", Data }, /* _aby */
{ "BCLR", Code }, /* _bclr */
{ "BRCLR", Code }, /* _brclr */
{ "BRSET", Code }, /* _brset */
{ "BSET", Code }, /* _bset */
{ "CPD", Data }, /* _cpd */
{ "CPY", Data }, /* _cpy */
{ "DEY", Data }, /* _dey */
{ "FDIV", Data }, /* _fdiv */
{ "IDIV", Data }, /* _idiv */
{ "INY", Data }, /* _iny */
{ "LDY", Data }, /* _ldy */
{ "PSHY", Data }, /* _pshy */
{ "PULY", Data }, /* _puly */
{ "STOP", Data }, /* _stop */
{ "STY", Data }, /* _sty */
{ "TEST", Data }, /* _test */
{ "TSY", Data }, /* _tsy */
{ "TYS", Data }, /* _tys */
{ "XGDX", Data }, /* _xgdx */
{ "XGDY", Data }, /* _xgdy */
};
/*****************************************************************************/
/* regnames : additional register names over 6800 */
/*****************************************************************************/
const char *Dasm68HC11::regnames[reg68HC11_count - reg6801_count] =
{
"Y", /* _y */
};
/*****************************************************************************/
/* Dasm68HC11 : constructor */
/*****************************************************************************/
Dasm68HC11::Dasm68HC11(Application *pApp)
: Dasm6801(pApp)
{
codes = m68hc11_codes;
codes18 = m68hc11_codes18;
codes1a = m68hc11_codes1a;
codescd = m68hc11_codescd;
boppcom = true; // since V1.58, A09 can handle commas as bitop parameter delimiter
int i;
mnemo.resize(mnemo68HC11_count); /* set up additional mnemonics */
for (i = 0; i < mnemo68HC11_count - mnemo6801_count; i++)
mnemo[mnemo6801_count + i] = opcodes[i];
regname.resize(reg68HC11_count); /* set up additional register names */
for (i = 0; i < reg68HC11_count - reg6801_count; i++)
regname[reg6801_count + i] = regnames[i];
// set up options table
// class uses one generic option setter/getter pair (not mandatory)
AddOption("boppcom", "{off|on}\tbit operation parameter comma delimiter",
static_cast<PSetter>(&Dasm68HC11::Set68HC11Option),
static_cast<PGetter>(&Dasm68HC11::Get68HC11Option));
}
/*****************************************************************************/
/* ~Dasm68HC11 : destructor */
/*****************************************************************************/
Dasm68HC11::~Dasm68HC11(void)
{
}
/*****************************************************************************/
/* Set68HC11Option : sets a disassembler option */
/*****************************************************************************/
int Dasm68HC11::Set68HC11Option(string lname, string value)
{
bool bnValue = true; /* default to "on" */
bool bIsBool = ParseBool(value, bnValue);
if (lname == "boppcom")
{
boppcom = bnValue;
return bIsBool ? 1 : 0;
}
else
return 0; /* only name consumed */
// should never happen ... but better safe than sorry
return 1; /* name and value consumed */
}
/*****************************************************************************/
/* Get68HC11Option : retrieves a disassembler option */
/*****************************************************************************/
string Dasm68HC11::Get68HC11Option(string lname)
{
if (lname == "boppcom") return boppcom ? "on" : "off";
return "";
}
/*****************************************************************************/
/* InitParse : initialize parsing */
/*****************************************************************************/
bool Dasm68HC11::InitParse(int bus)
{
// 68HC11 has a drastically different interrupt vector table layout,
// so DON'T initialize for 6800/6801!
if (bus == BusCode)
{
if (bSetSysVec)
{
static const char *vectbl[] =
{
"SCI", /* ffd6 */
"SPI", /* ffd8 */
"PAI", /* ffda */
"PAO", /* ffdc */
"TIO", /* ffde */
"TI4O5", /* ffe0 */
"TO4", /* ffe2 */
"TO3", /* ffe4 */
"TO2", /* ffe6 */
"TO1", /* ffe8 */
"TI3", /* ffea */
"TI2", /* ffec */
"TI1", /* ffee */
"RTI", /* fff0 */
"IRQ", /* fff2 */
"XIRQ", /* fff4 */
"SWI", /* fff6 */
"ILL", /* fff8 */
"COPF", /* fffa */
"CMOF", /* fffc */
"RST", /* fffe */
};
for (adr_t addr = 0xffd6; addr <= GetHighestCodeAddr(); addr += 2)
{
MemoryType memType = GetMemType(addr);
if (memType != Untyped && /* if system vector loaded */
memType != Const && /* and not defined as constant */
!FindLabel(addr)) /* and no label set in info file */
{
SetMemType(addr, Data); /* that's a data word */
SetCellSize(addr, 2);
/* look whether it points to loaded */
adr_t tgtaddr = GetUWord(addr);
if (GetMemType(tgtaddr) != Untyped)
{ /* if so, */
SetMemType(tgtaddr, Code); /* that's code there */
AddLabel(tgtaddr, Code, /* and it got a predefined label */
sformat("vec_%s", vectbl[(addr - 0xffd6) / 2]),
true);
}
}
}
}
}
return Disassembler::InitParse(bus);
}
/*****************************************************************************/
/* FetchInstructionDetails : fetch details about current instruction */
/*****************************************************************************/
adr_t Dasm68HC11::FetchInstructionDetails
(
adr_t PC,
uint8_t &instpg,
uint8_t &instb,
uint8_t &mode,
int &mnemoIndex
)
{
instpg = instb = GetUByte(PC++);
if (instpg == 0x18)
{
instb = GetUByte(PC++);
mnemoIndex = codes18[instb].mne;
mode = codes18[instb].adrmode;
}
else if (instpg == 0x1A)
{
instb = GetUByte(PC++);
mnemoIndex = codes1a[instb].mne;
mode = codes1a[instb].adrmode;
}
else if (instpg == 0xCD)
{
instb = GetUByte(PC++);
mnemoIndex = codescd[instb].mne;
mode = codescd[instb].adrmode;
}
else
{
instpg = 0;
mnemoIndex = codes[instb].mne;
mode = codes[instb].adrmode;
}
return PC;
}
/*****************************************************************************/
/* GetIx8IndexReg : return index register for indexed addressing */
/*****************************************************************************/
string Dasm68HC11::GetIx8IndexReg(uint8_t instpg)
{
if (instpg == 0x18 || instpg == 0xCD)
return "," + MnemoCase(regname[_y]);
return "," + MnemoCase(regname[_x]);
}
/*****************************************************************************/
/* ParseCode : parse instruction at given memory address for labels */
/*****************************************************************************/
adr_t Dasm68HC11::ParseCode
(
adr_t addr,
int bus /* ignored for 6800 and derivates */
)
{
uint8_t instpg, instb, T, mode;
uint16_t W;
int mnemoIndex;
bool bSetLabel;
adr_t PC = FetchInstructionDetails(addr, instpg, instb, mode, mnemoIndex);
switch (mode) /* which mode is this ? */
{
case _bd : /* Bit Manipulation direct */
bSetLabel = !IsConst(PC);
if (!bSetLabel)
SetDefLabelUsed(PC, bus);
else
{
W = GetUByte(PC);
W = (uint16_t)PhaseInner(W, PC);
AddRelativeLabel(W, PC, mnemo[mnemoIndex].memType, true, BusCode, addr);
}
PC++;
bSetLabel = !IsConst(PC);
T = GetUByte(PC);
if (!bSetLabel)
SetDefLabelUsed(PC, bus); /* the bit part */
PC++;
break;
case _bi : /* Bit Manipulation indexed */
bSetLabel = !IsConst(PC);
if (!bSetLabel)
SetDefLabelUsed(PC, bus);
PC++;
bSetLabel = !IsConst(PC);
if (!bSetLabel)
SetDefLabelUsed(PC, bus); /* the bit part */
PC++;
break;
case _bbd : /* branch bitmask direct */
bSetLabel = !IsConst(PC);
if (!bSetLabel)
SetDefLabelUsed(PC, bus);
else
{
W = GetUByte(PC);
W = (uint16_t)PhaseInner(W, PC);
AddRelativeLabel(W, PC, Data, true, BusCode, addr);
}
PC++;
bSetLabel = !IsConst(PC);
T = GetUByte(PC);
if (!bSetLabel)
SetDefLabelUsed(PC, bus); /* the bit part */
PC++;
bSetLabel = !IsConst(PC);
T = GetUByte(PC);
W = (uint16_t)(PC + 1 + (signed char)T);
if (bSetLabel)
{
W = (uint16_t)DephaseOuter(W, PC);
// AddLabel(W, mnemo[MI].memType, "", true);
AddRelativeLabel(W, PC, mnemo[mnemoIndex].memType, true, BusCode, addr);
}
else
SetDefLabelUsed(PC, bus);
PC++;
break;
case _bbi : /* branch bitmask indexed */
bSetLabel = !IsConst(PC);
if (!bSetLabel)
SetDefLabelUsed(PC, bus);
PC++;
bSetLabel = !IsConst(PC);
if (!bSetLabel)
SetDefLabelUsed(PC, bus); /* the bit part */
PC++;
bSetLabel = !IsConst(PC);
T = GetUByte(PC);
W = (uint16_t)(PC + 1 + (signed char)T);
if (bSetLabel)
{
W = (uint16_t)DephaseOuter(W, PC);
// AddLabel(W, mnemo[MI].memType, "", true);
AddRelativeLabel(W, PC, mnemo[mnemoIndex].memType, true, BusCode, addr);
}
else
SetDefLabelUsed(PC, bus);
PC++;
break;
default : /* anything else is handled by base */
return Dasm6801::ParseCode(addr, bus);
}
return PC - addr; /* pass back # processed bytes */
}
/*****************************************************************************/
/* DisassembleCode : disassemble code instruction at given memory address */
/*****************************************************************************/
adr_t Dasm68HC11::DisassembleCode
(
adr_t addr,
string &smnemo,
string &sparm,
int bus /* ignored for 6800 and derivates */
)
{
uint8_t instpg, instb, T, mode;
uint16_t W;
adr_t Wrel;
int mnemoIndex;
bool bGetLabel;
Label *lbl;
adr_t PC = FetchInstructionDetails(addr, instpg, instb, mode, mnemoIndex);
smnemo = mnemo[mnemoIndex].mne;
switch (mode) /* which mode is this? */
{
case _bd : /* Bit Manipulation direct */
{
bGetLabel = !IsConst(PC);
lbl = bGetLabel ? NULL : FindLabel(PC, Const, bus);
W = GetUByte(PC);
if (bGetLabel)
W = (uint16_t)PhaseInner(W, PC);
string slbl = lbl ? lbl->GetText() : Label2String(W, 4, bGetLabel, PC);
PC++;
lbl = FindLabel(PC, Const, bus); /* the bit part */
T = GetUByte(PC);
string smask = lbl ? lbl->GetText() : Number2String(T, 2, PC);
PC++;
char cdelim = boppcom ? ',' : ' ';
sparm = sformat("%s%c%s",
slbl.c_str(),
cdelim,
smask.c_str());
}
break;
case _bi : /* Bit Manipulation indexed */
{
bGetLabel = !IsConst(PC);
T = GetUByte(PC);
Wrel = GetRelative(PC);
lbl = (bGetLabel || Wrel) ? NULL : FindLabel(PC, Const, bus);
string slbl;
if (Wrel)
{
W = (int)((unsigned char)T) + (uint16_t)Wrel;
slbl = Label2String((adr_t)((int)((unsigned char)T)), 4,
bGetLabel, PC) + GetIx8IndexReg(instpg);
}
else if (lbl)
slbl = lbl->GetText() + GetIx8IndexReg(instpg);
else if (!T && !showIndexedModeZeroOperand)
// omit '$00', unless the user has set the 'showzero' option
slbl = GetIx8IndexReg(instpg);
else
slbl = Number2String(T, 2, PC) + GetIx8IndexReg(instpg);
PC++;
T = GetUByte(PC);
lbl = FindLabel(PC, Const, bus); /* the bit part */
string smask = lbl ? lbl->GetText() : Number2String(T, 2, PC);
PC++;
char cdelim = boppcom ? ',' : ' ';
sparm = sformat("%s%c%s",
slbl.c_str(),
cdelim,
smask.c_str());
}
break;
case _bbd : /* branch bitmask direct */
{
bGetLabel = !IsConst(PC);
lbl = bGetLabel ? NULL : FindLabel(PC, Const, bus);
W = GetUByte(PC);
if (bGetLabel)
W = (uint16_t)PhaseInner(W, PC);
string slbl = lbl ? lbl->GetText() : Label2String(W, 4, bGetLabel, PC);
PC++;
lbl = FindLabel(PC, Const, bus); /* the bit part */
T = GetUByte(PC);
string smask = lbl ? lbl->GetText() : Number2String(T, 2, PC);
PC++;
bGetLabel = !IsConst(PC);
lbl = bGetLabel ? NULL : FindLabel(PC, Const, bus);
T = GetUByte(PC++);
string stgt;
if (bGetLabel)
{
W = (uint16_t)(PC + (int8_t)T);
W = (uint16_t)DephaseOuter(W, PC - 1);
stgt = Label2String(W, 4, bGetLabel, PC - 1);
}
else
{
int nDiff = (int)(int8_t)T;
nDiff += (PC - addr);
stgt = "*";
if (nDiff)
{
if (nDiff >= 0 || lbl)
stgt += "+";
stgt += lbl ? lbl->GetText() : SignedNumber2String(nDiff, 2, PC - 1);
}
}
char cdelim = boppcom ? ',' : ' ';
sparm = sformat("%s%c%s%c%s",
slbl.c_str(),
cdelim,
smask.c_str(),
cdelim,
stgt.c_str());
}
break;
case _bbi : /* branch bitmask indexed */
{
bGetLabel = !IsConst(PC);
T = GetUByte(PC);
Wrel = GetRelative(PC);
lbl = (bGetLabel || Wrel) ? NULL : FindLabel(PC, Const, bus);
string slbl;
if (Wrel)
{
W = (int)((unsigned char)T) + (uint16_t)Wrel;
slbl = Label2String((adr_t)((int)((unsigned char)T)), 4,
bGetLabel, PC) + GetIx8IndexReg(instpg);
}
else if (lbl)
slbl = lbl->GetText() + GetIx8IndexReg(instpg);
else if (!T && !showIndexedModeZeroOperand)
slbl = GetIx8IndexReg(instpg); /* omit '$00', unless the user has set the 'showzero' option */
else
slbl = Number2String(T, 2, PC) + GetIx8IndexReg(instpg);
PC++;
T = GetUByte(PC);
lbl = FindLabel(PC, Const, bus); /* the bit part */
string smask = lbl ? lbl->GetText() : Number2String(T, 2, PC);
PC++;
bGetLabel = !IsConst(PC);
lbl = bGetLabel ? NULL : FindLabel(PC, Const, bus);
T = GetUByte(PC++);
string stgt;
if (bGetLabel)
{
W = (uint16_t)(PC + (int8_t)T);
W = (uint16_t)DephaseOuter(W, PC - 1);
stgt = Label2String(W, 4, bGetLabel, PC - 1);
}
else
{
int nDiff = (int)(int8_t)T;
nDiff += (PC - addr);
stgt = "*";
if (nDiff)
{
if (nDiff >= 0 || lbl)
stgt += "+";
stgt += lbl ? lbl->GetText() : SignedNumber2String(nDiff, 2, PC - 1);
}
}
char cdelim = boppcom ? ',' : ' ';
sparm = sformat("%s%c%s%c%s",
slbl.c_str(),
cdelim,
smask.c_str(),
cdelim,
stgt.c_str());
}
break;
default : /* anything else is handled by base */
return Dasm6801::DisassembleCode(addr, smnemo, sparm, bus);
}
return PC - addr; /* pass back # processed bytes */
}