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julius |
/* Print Z80 and R800 instructions
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Copyright 2005, 2007 Free Software Foundation, Inc.
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Contributed by Arnold Metselaar <arnold_m@operamail.com>
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This file is part of the GNU opcodes library.
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "dis-asm.h"
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#include <stdio.h>
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struct buffer
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{
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bfd_vma base;
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int n_fetch;
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int n_used;
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signed char data[4];
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} ;
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typedef int (*func)(struct buffer *, disassemble_info *, char *);
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struct tab_elt
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{
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unsigned char val;
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unsigned char mask;
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func fp;
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char * text;
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} ;
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#define TXTSIZ 24
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/* Names of 16-bit registers. */
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static char * rr_str[] = { "bc", "de", "hl", "sp" };
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/* Names of 8-bit registers. */
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static char * r_str[] = { "b", "c", "d", "e", "h", "l", "(hl)", "a" };
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/* Texts for condition codes. */
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static char * cc_str[] = { "nz", "z", "nc", "c", "po", "pe", "p", "m" };
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/* Instruction names for 8-bit arithmetic, operand "a" is often implicit */
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static char * arit_str[] =
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{
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"add a,", "adc a,", "sub ", "sbc a,", "and ", "xor ", "or ", "cp "
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} ;
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static int
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fetch_data (struct buffer *buf, disassemble_info * info, int n)
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{
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int r;
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if (buf->n_fetch + n > 4)
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abort ();
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r = info->read_memory_func (buf->base + buf->n_fetch,
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(unsigned char*) buf->data + buf->n_fetch,
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n, info);
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if (r == 0)
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buf->n_fetch += n;
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return !r;
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}
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static int
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prt (struct buffer *buf, disassemble_info * info, char *txt)
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{
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info->fprintf_func (info->stream, "%s", txt);
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buf->n_used = buf->n_fetch;
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return 1;
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}
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static int
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prt_e (struct buffer *buf, disassemble_info * info, char *txt)
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{
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char e;
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int target_addr;
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if (fetch_data (buf, info, 1))
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{
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e = buf->data[1];
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target_addr = (buf->base + 2 + e) & 0xffff;
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buf->n_used = buf->n_fetch;
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info->fprintf_func (info->stream, "%s0x%04x", txt, target_addr);
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}
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else
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buf->n_used = -1;
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return buf->n_used;
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}
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static int
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jr_cc (struct buffer *buf, disassemble_info * info, char *txt)
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{
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char mytxt[TXTSIZ];
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snprintf (mytxt, TXTSIZ, txt, cc_str[(buf->data[0] >> 3) & 3]);
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return prt_e (buf, info, mytxt);
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}
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static int
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prt_nn (struct buffer *buf, disassemble_info * info, char *txt)
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{
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int nn;
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unsigned char *p;
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p = (unsigned char*) buf->data + buf->n_fetch;
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if (fetch_data (buf, info, 2))
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{
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nn = p[0] + (p[1] << 8);
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info->fprintf_func (info->stream, txt, nn);
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buf->n_used = buf->n_fetch;
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}
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else
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buf->n_used = -1;
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return buf->n_used;
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}
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static int
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prt_rr_nn (struct buffer *buf, disassemble_info * info, char *txt)
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{
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char mytxt[TXTSIZ];
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snprintf (mytxt, TXTSIZ, txt, rr_str[(buf->data[0] >> 4) & 3]);
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return prt_nn (buf, info, mytxt);
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}
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static int
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prt_rr (struct buffer *buf, disassemble_info * info, char *txt)
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{
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info->fprintf_func (info->stream, "%s%s", txt,
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rr_str[(buf->data[buf->n_fetch - 1] >> 4) & 3]);
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buf->n_used = buf->n_fetch;
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return buf->n_used;
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}
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static int
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prt_n (struct buffer *buf, disassemble_info * info, char *txt)
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{
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int n;
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unsigned char *p;
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p = (unsigned char*) buf->data + buf->n_fetch;
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if (fetch_data (buf, info, 1))
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{
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n = p[0];
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info->fprintf_func (info->stream, txt, n);
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buf->n_used = buf->n_fetch;
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}
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else
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buf->n_used = -1;
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return buf->n_used;
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}
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static int
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ld_r_n (struct buffer *buf, disassemble_info * info, char *txt)
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{
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char mytxt[TXTSIZ];
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snprintf (mytxt, TXTSIZ, txt, r_str[(buf->data[0] >> 3) & 7]);
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return prt_n (buf, info, mytxt);
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}
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static int
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prt_r (struct buffer *buf, disassemble_info * info, char *txt)
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{
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info->fprintf_func (info->stream, txt,
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r_str[(buf->data[buf->n_fetch - 1] >> 3) & 7]);
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buf->n_used = buf->n_fetch;
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return buf->n_used;
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}
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static int
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ld_r_r (struct buffer *buf, disassemble_info * info, char *txt)
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{
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info->fprintf_func (info->stream, txt,
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r_str[(buf->data[buf->n_fetch - 1] >> 3) & 7],
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r_str[buf->data[buf->n_fetch - 1] & 7]);
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buf->n_used = buf->n_fetch;
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return buf->n_used;
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}
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static int
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arit_r (struct buffer *buf, disassemble_info * info, char *txt)
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{
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info->fprintf_func (info->stream, txt,
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arit_str[(buf->data[buf->n_fetch - 1] >> 3) & 7],
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r_str[buf->data[buf->n_fetch - 1] & 7]);
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buf->n_used = buf->n_fetch;
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return buf->n_used;
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}
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static int
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prt_cc (struct buffer *buf, disassemble_info * info, char *txt)
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{
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info->fprintf_func (info->stream, "%s%s", txt,
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cc_str[(buf->data[0] >> 3) & 7]);
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buf->n_used = buf->n_fetch;
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return buf->n_used;
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}
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static int
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pop_rr (struct buffer *buf, disassemble_info * info, char *txt)
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{
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static char *rr_stack[] = { "bc","de","hl","af"};
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info->fprintf_func (info->stream, "%s %s", txt,
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rr_stack[(buf->data[0] >> 4) & 3]);
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buf->n_used = buf->n_fetch;
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return buf->n_used;
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}
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| 223 |
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static int
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jp_cc_nn (struct buffer *buf, disassemble_info * info, char *txt)
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{
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char mytxt[TXTSIZ];
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snprintf (mytxt,TXTSIZ,
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"%s%s,0x%%04x", txt, cc_str[(buf->data[0] >> 3) & 7]);
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return prt_nn (buf, info, mytxt);
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}
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| 234 |
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static int
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arit_n (struct buffer *buf, disassemble_info * info, char *txt)
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| 236 |
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{
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| 237 |
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char mytxt[TXTSIZ];
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| 239 |
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snprintf (mytxt,TXTSIZ, txt, arit_str[(buf->data[0] >> 3) & 7]);
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return prt_n (buf, info, mytxt);
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}
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| 243 |
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static int
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| 244 |
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rst (struct buffer *buf, disassemble_info * info, char *txt)
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{
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| 246 |
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info->fprintf_func (info->stream, txt, buf->data[0] & 0x38);
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| 247 |
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buf->n_used = buf->n_fetch;
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| 248 |
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return buf->n_used;
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| 249 |
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}
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| 250 |
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| 251 |
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| 252 |
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static int
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| 253 |
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cis (struct buffer *buf, disassemble_info * info, char *txt ATTRIBUTE_UNUSED)
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| 254 |
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{
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| 255 |
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static char * opar[] = { "ld", "cp", "in", "out" };
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| 256 |
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char * op;
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| 257 |
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char c;
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| 258 |
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| 259 |
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c = buf->data[1];
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| 260 |
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op = ((0x13 & c) == 0x13) ? "ot" : (opar[c & 3]);
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| 261 |
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info->fprintf_func (info->stream,
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| 262 |
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"%s%c%s", op,
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(c & 0x08) ? 'd' : 'i',
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(c & 0x10) ? "r" : "");
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| 265 |
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buf->n_used = 2;
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| 266 |
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return buf->n_used;
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| 267 |
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}
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| 268 |
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| 269 |
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static int
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| 270 |
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dump (struct buffer *buf, disassemble_info * info, char *txt)
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| 271 |
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{
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| 272 |
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int i;
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| 273 |
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| 274 |
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info->fprintf_func (info->stream, "defb ");
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| 275 |
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for (i = 0; txt[i]; ++i)
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| 276 |
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info->fprintf_func (info->stream, i ? ", 0x%02x" : "0x%02x",
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| 277 |
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(unsigned char) buf->data[i]);
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| 278 |
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buf->n_used = i;
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| 279 |
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return buf->n_used;
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| 280 |
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}
|
| 281 |
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|
| 282 |
|
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/* Table to disassemble machine codes with prefix 0xED. */
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| 283 |
|
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struct tab_elt opc_ed[] =
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| 284 |
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{
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| 285 |
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{ 0x70, 0xFF, prt, "in f,(c)" },
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| 286 |
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{ 0x70, 0xFF, dump, "xx" },
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| 287 |
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{ 0x40, 0xC7, prt_r, "in %s,(c)" },
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| 288 |
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{ 0x71, 0xFF, prt, "out (c),0" },
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| 289 |
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{ 0x70, 0xFF, dump, "xx" },
|
| 290 |
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{ 0x41, 0xC7, prt_r, "out (c),%s" },
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| 291 |
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{ 0x42, 0xCF, prt_rr, "sbc hl," },
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| 292 |
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{ 0x43, 0xCF, prt_rr_nn, "ld (0x%%04x),%s" },
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| 293 |
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{ 0x44, 0xFF, prt, "neg" },
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| 294 |
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{ 0x45, 0xFF, prt, "retn" },
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| 295 |
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{ 0x46, 0xFF, prt, "im 0" },
|
| 296 |
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{ 0x47, 0xFF, prt, "ld i,a" },
|
| 297 |
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{ 0x4A, 0xCF, prt_rr, "adc hl," },
|
| 298 |
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{ 0x4B, 0xCF, prt_rr_nn, "ld %s,(0x%%04x)" },
|
| 299 |
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{ 0x4D, 0xFF, prt, "reti" },
|
| 300 |
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{ 0x56, 0xFF, prt, "im 1" },
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| 301 |
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{ 0x57, 0xFF, prt, "ld a,i" },
|
| 302 |
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{ 0x5E, 0xFF, prt, "im 2" },
|
| 303 |
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{ 0x67, 0xFF, prt, "rrd" },
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| 304 |
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{ 0x6F, 0xFF, prt, "rld" },
|
| 305 |
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{ 0xA0, 0xE4, cis, "" },
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| 306 |
|
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{ 0xC3, 0xFF, prt, "muluw hl,bc" },
|
| 307 |
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{ 0xC5, 0xE7, prt_r, "mulub a,%s" },
|
| 308 |
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{ 0xF3, 0xFF, prt, "muluw hl,sp" },
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| 309 |
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{ 0x00, 0x00, dump, "xx" }
|
| 310 |
|
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};
|
| 311 |
|
|
|
| 312 |
|
|
static int
|
| 313 |
|
|
pref_ed (struct buffer * buf, disassemble_info * info,
|
| 314 |
|
|
char* txt ATTRIBUTE_UNUSED)
|
| 315 |
|
|
{
|
| 316 |
|
|
struct tab_elt *p;
|
| 317 |
|
|
|
| 318 |
|
|
if (fetch_data(buf, info, 1))
|
| 319 |
|
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{
|
| 320 |
|
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for (p = opc_ed; p->val != (buf->data[1] & p->mask); ++p)
|
| 321 |
|
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;
|
| 322 |
|
|
p->fp (buf, info, p->text);
|
| 323 |
|
|
}
|
| 324 |
|
|
else
|
| 325 |
|
|
buf->n_used = -1;
|
| 326 |
|
|
|
| 327 |
|
|
return buf->n_used;
|
| 328 |
|
|
}
|
| 329 |
|
|
|
| 330 |
|
|
/* Instruction names for the instructions addressing single bits. */
|
| 331 |
|
|
static char *cb1_str[] = { "", "bit", "res", "set"};
|
| 332 |
|
|
/* Instruction names for shifts and rotates. */
|
| 333 |
|
|
static char *cb2_str[] =
|
| 334 |
|
|
{
|
| 335 |
|
|
"rlc", "rrc", "rl", "rr", "sla", "sra", "sli", "srl"
|
| 336 |
|
|
};
|
| 337 |
|
|
|
| 338 |
|
|
static int
|
| 339 |
|
|
pref_cb (struct buffer * buf, disassemble_info * info,
|
| 340 |
|
|
char* txt ATTRIBUTE_UNUSED)
|
| 341 |
|
|
{
|
| 342 |
|
|
if (fetch_data (buf, info, 1))
|
| 343 |
|
|
{
|
| 344 |
|
|
buf->n_used = 2;
|
| 345 |
|
|
if ((buf->data[1] & 0xc0) == 0)
|
| 346 |
|
|
info->fprintf_func (info->stream, "%s %s",
|
| 347 |
|
|
cb2_str[(buf->data[1] >> 3) & 7],
|
| 348 |
|
|
r_str[buf->data[1] & 7]);
|
| 349 |
|
|
else
|
| 350 |
|
|
info->fprintf_func (info->stream, "%s %d,%s",
|
| 351 |
|
|
cb1_str[(buf->data[1] >> 6) & 3],
|
| 352 |
|
|
(buf->data[1] >> 3) & 7,
|
| 353 |
|
|
r_str[buf->data[1] & 7]);
|
| 354 |
|
|
}
|
| 355 |
|
|
else
|
| 356 |
|
|
buf->n_used = -1;
|
| 357 |
|
|
|
| 358 |
|
|
return buf->n_used;
|
| 359 |
|
|
}
|
| 360 |
|
|
|
| 361 |
|
|
static int
|
| 362 |
|
|
addvv (struct buffer * buf, disassemble_info * info, char* txt)
|
| 363 |
|
|
{
|
| 364 |
|
|
info->fprintf_func (info->stream, "add %s,%s", txt, txt);
|
| 365 |
|
|
|
| 366 |
|
|
return buf->n_used = buf->n_fetch;
|
| 367 |
|
|
}
|
| 368 |
|
|
|
| 369 |
|
|
static int
|
| 370 |
|
|
ld_v_v (struct buffer * buf, disassemble_info * info, char* txt)
|
| 371 |
|
|
{
|
| 372 |
|
|
char mytxt[TXTSIZ];
|
| 373 |
|
|
|
| 374 |
|
|
snprintf (mytxt, TXTSIZ, "ld %s%%s,%s%%s", txt, txt);
|
| 375 |
|
|
return ld_r_r (buf, info, mytxt);
|
| 376 |
|
|
}
|
| 377 |
|
|
|
| 378 |
|
|
static int
|
| 379 |
|
|
prt_d (struct buffer *buf, disassemble_info * info, char *txt)
|
| 380 |
|
|
{
|
| 381 |
|
|
int d;
|
| 382 |
|
|
signed char *p;
|
| 383 |
|
|
|
| 384 |
|
|
p = buf->data + buf->n_fetch;
|
| 385 |
|
|
|
| 386 |
|
|
if (fetch_data (buf, info, 1))
|
| 387 |
|
|
{
|
| 388 |
|
|
d = p[0];
|
| 389 |
|
|
info->fprintf_func (info->stream, txt, d);
|
| 390 |
|
|
buf->n_used = buf->n_fetch;
|
| 391 |
|
|
}
|
| 392 |
|
|
else
|
| 393 |
|
|
buf->n_used = -1;
|
| 394 |
|
|
|
| 395 |
|
|
return buf->n_used;
|
| 396 |
|
|
}
|
| 397 |
|
|
|
| 398 |
|
|
static int
|
| 399 |
|
|
prt_d_n (struct buffer *buf, disassemble_info * info, char *txt)
|
| 400 |
|
|
{
|
| 401 |
|
|
char mytxt[TXTSIZ];
|
| 402 |
|
|
int d;
|
| 403 |
|
|
signed char *p;
|
| 404 |
|
|
|
| 405 |
|
|
p = buf->data + buf->n_fetch;
|
| 406 |
|
|
|
| 407 |
|
|
if (fetch_data (buf, info, 1))
|
| 408 |
|
|
{
|
| 409 |
|
|
d = p[0];
|
| 410 |
|
|
snprintf (mytxt, TXTSIZ, txt, d);
|
| 411 |
|
|
return prt_n (buf, info, mytxt);
|
| 412 |
|
|
}
|
| 413 |
|
|
else
|
| 414 |
|
|
buf->n_used = -1;
|
| 415 |
|
|
|
| 416 |
|
|
return buf->n_used;
|
| 417 |
|
|
}
|
| 418 |
|
|
|
| 419 |
|
|
static int
|
| 420 |
|
|
arit_d (struct buffer *buf, disassemble_info * info, char *txt)
|
| 421 |
|
|
{
|
| 422 |
|
|
char mytxt[TXTSIZ];
|
| 423 |
|
|
signed char c;
|
| 424 |
|
|
|
| 425 |
|
|
c = buf->data[buf->n_fetch - 1];
|
| 426 |
|
|
snprintf (mytxt, TXTSIZ, txt, arit_str[(c >> 3) & 7]);
|
| 427 |
|
|
return prt_d (buf, info, mytxt);
|
| 428 |
|
|
}
|
| 429 |
|
|
|
| 430 |
|
|
static int
|
| 431 |
|
|
ld_r_d (struct buffer *buf, disassemble_info * info, char *txt)
|
| 432 |
|
|
{
|
| 433 |
|
|
char mytxt[TXTSIZ];
|
| 434 |
|
|
signed char c;
|
| 435 |
|
|
|
| 436 |
|
|
c = buf->data[buf->n_fetch - 1];
|
| 437 |
|
|
snprintf (mytxt, TXTSIZ, txt, r_str[(c >> 3) & 7]);
|
| 438 |
|
|
return prt_d (buf, info, mytxt);
|
| 439 |
|
|
}
|
| 440 |
|
|
|
| 441 |
|
|
static int
|
| 442 |
|
|
ld_d_r(struct buffer *buf, disassemble_info * info, char *txt)
|
| 443 |
|
|
{
|
| 444 |
|
|
char mytxt[TXTSIZ];
|
| 445 |
|
|
signed char c;
|
| 446 |
|
|
|
| 447 |
|
|
c = buf->data[buf->n_fetch - 1];
|
| 448 |
|
|
snprintf (mytxt, TXTSIZ, txt, r_str[c & 7]);
|
| 449 |
|
|
return prt_d (buf, info, mytxt);
|
| 450 |
|
|
}
|
| 451 |
|
|
|
| 452 |
|
|
static int
|
| 453 |
|
|
pref_xd_cb (struct buffer * buf, disassemble_info * info, char* txt)
|
| 454 |
|
|
{
|
| 455 |
|
|
if (fetch_data (buf, info, 2))
|
| 456 |
|
|
{
|
| 457 |
|
|
int d;
|
| 458 |
|
|
char arg[TXTSIZ];
|
| 459 |
|
|
signed char *p;
|
| 460 |
|
|
|
| 461 |
|
|
buf->n_used = 4;
|
| 462 |
|
|
p = buf->data;
|
| 463 |
|
|
d = p[2];
|
| 464 |
|
|
|
| 465 |
|
|
if (((p[3] & 0xC0) == 0x40) || ((p[3] & 7) == 0x06))
|
| 466 |
|
|
snprintf (arg, TXTSIZ, "(%s%+d)", txt, d);
|
| 467 |
|
|
else
|
| 468 |
|
|
snprintf (arg, TXTSIZ, "(%s%+d),%s", txt, d, r_str[p[3] & 7]);
|
| 469 |
|
|
|
| 470 |
|
|
if ((p[3] & 0xc0) == 0)
|
| 471 |
|
|
info->fprintf_func (info->stream, "%s %s",
|
| 472 |
|
|
cb2_str[(buf->data[3] >> 3) & 7],
|
| 473 |
|
|
arg);
|
| 474 |
|
|
else
|
| 475 |
|
|
info->fprintf_func (info->stream, "%s %d,%s",
|
| 476 |
|
|
cb1_str[(buf->data[3] >> 6) & 3],
|
| 477 |
|
|
(buf->data[3] >> 3) & 7,
|
| 478 |
|
|
arg);
|
| 479 |
|
|
}
|
| 480 |
|
|
else
|
| 481 |
|
|
buf->n_used = -1;
|
| 482 |
|
|
|
| 483 |
|
|
return buf->n_used;
|
| 484 |
|
|
}
|
| 485 |
|
|
|
| 486 |
|
|
/* Table to disassemble machine codes with prefix 0xDD or 0xFD. */
|
| 487 |
|
|
static struct tab_elt opc_ind[] =
|
| 488 |
|
|
{
|
| 489 |
|
|
{ 0x24, 0xF7, prt_r, "inc %s%%s" },
|
| 490 |
|
|
{ 0x25, 0xF7, prt_r, "dec %s%%s" },
|
| 491 |
|
|
{ 0x26, 0xF7, ld_r_n, "ld %s%%s,0x%%%%02x" },
|
| 492 |
|
|
{ 0x21, 0xFF, prt_nn, "ld %s,0x%%04x" },
|
| 493 |
|
|
{ 0x22, 0xFF, prt_nn, "ld (0x%%04x),%s" },
|
| 494 |
|
|
{ 0x2A, 0xFF, prt_nn, "ld %s,(0x%%04x)" },
|
| 495 |
|
|
{ 0x23, 0xFF, prt, "inc %s" },
|
| 496 |
|
|
{ 0x2B, 0xFF, prt, "dec %s" },
|
| 497 |
|
|
{ 0x29, 0xFF, addvv, "%s" },
|
| 498 |
|
|
{ 0x09, 0xCF, prt_rr, "add %s," },
|
| 499 |
|
|
{ 0x34, 0xFF, prt_d, "inc (%s%%+d)" },
|
| 500 |
|
|
{ 0x35, 0xFF, prt_d, "dec (%s%%+d)" },
|
| 501 |
|
|
{ 0x36, 0xFF, prt_d_n, "ld (%s%%+d),0x%%%%02x" },
|
| 502 |
|
|
|
| 503 |
|
|
{ 0x76, 0xFF, dump, "h" },
|
| 504 |
|
|
{ 0x46, 0xC7, ld_r_d, "ld %%s,(%s%%%%+d)" },
|
| 505 |
|
|
{ 0x70, 0xF8, ld_d_r, "ld (%s%%%%+d),%%s" },
|
| 506 |
|
|
{ 0x64, 0xF6, ld_v_v, "%s" },
|
| 507 |
|
|
{ 0x60, 0xF0, ld_r_r, "ld %s%%s,%%s" },
|
| 508 |
|
|
{ 0x44, 0xC6, ld_r_r, "ld %%s,%s%%s" },
|
| 509 |
|
|
|
| 510 |
|
|
{ 0x86, 0xC7, arit_d, "%%s(%s%%%%+d)" },
|
| 511 |
|
|
{ 0x84, 0xC6, arit_r, "%%s%s%%s" },
|
| 512 |
|
|
|
| 513 |
|
|
{ 0xE1, 0xFF, prt, "pop %s" },
|
| 514 |
|
|
{ 0xE5, 0xFF, prt, "push %s" },
|
| 515 |
|
|
{ 0xCB, 0xFF, pref_xd_cb, "%s" },
|
| 516 |
|
|
{ 0xE3, 0xFF, prt, "ex (sp),%s" },
|
| 517 |
|
|
{ 0xE9, 0xFF, prt, "jp (%s)" },
|
| 518 |
|
|
{ 0xF9, 0xFF, prt, "ld sp,%s" },
|
| 519 |
|
|
{ 0x00, 0x00, dump, "?" },
|
| 520 |
|
|
} ;
|
| 521 |
|
|
|
| 522 |
|
|
static int
|
| 523 |
|
|
pref_ind (struct buffer * buf, disassemble_info * info, char* txt)
|
| 524 |
|
|
{
|
| 525 |
|
|
if (fetch_data (buf, info, 1))
|
| 526 |
|
|
{
|
| 527 |
|
|
char mytxt[TXTSIZ];
|
| 528 |
|
|
struct tab_elt *p;
|
| 529 |
|
|
|
| 530 |
|
|
for (p = opc_ind; p->val != (buf->data[1] & p->mask); ++p)
|
| 531 |
|
|
;
|
| 532 |
|
|
snprintf (mytxt, TXTSIZ, p->text, txt);
|
| 533 |
|
|
p->fp (buf, info, mytxt);
|
| 534 |
|
|
}
|
| 535 |
|
|
else
|
| 536 |
|
|
buf->n_used = -1;
|
| 537 |
|
|
|
| 538 |
|
|
return buf->n_used;
|
| 539 |
|
|
}
|
| 540 |
|
|
|
| 541 |
|
|
/* Table to disassemble machine codes without prefix. */
|
| 542 |
|
|
static struct tab_elt opc_main[] =
|
| 543 |
|
|
{
|
| 544 |
|
|
{ 0x00, 0xFF, prt, "nop" },
|
| 545 |
|
|
{ 0x01, 0xCF, prt_rr_nn, "ld %s,0x%%04x" },
|
| 546 |
|
|
{ 0x02, 0xFF, prt, "ld (bc),a" },
|
| 547 |
|
|
{ 0x03, 0xCF, prt_rr, "inc " },
|
| 548 |
|
|
{ 0x04, 0xC7, prt_r, "inc %s" },
|
| 549 |
|
|
{ 0x05, 0xC7, prt_r, "dec %s" },
|
| 550 |
|
|
{ 0x06, 0xC7, ld_r_n, "ld %s,0x%%02x" },
|
| 551 |
|
|
{ 0x07, 0xFF, prt, "rlca" },
|
| 552 |
|
|
{ 0x08, 0xFF, prt, "ex af,af'" },
|
| 553 |
|
|
{ 0x09, 0xCF, prt_rr, "add hl," },
|
| 554 |
|
|
{ 0x0A, 0xFF, prt, "ld a,(bc)" },
|
| 555 |
|
|
{ 0x0B, 0xCF, prt_rr, "dec " },
|
| 556 |
|
|
{ 0x0F, 0xFF, prt, "rrca" },
|
| 557 |
|
|
{ 0x10, 0xFF, prt_e, "djnz " },
|
| 558 |
|
|
{ 0x12, 0xFF, prt, "ld (de),a" },
|
| 559 |
|
|
{ 0x17, 0xFF, prt, "rla" },
|
| 560 |
|
|
{ 0x18, 0xFF, prt_e, "jr "},
|
| 561 |
|
|
{ 0x1A, 0xFF, prt, "ld a,(de)" },
|
| 562 |
|
|
{ 0x1F, 0xFF, prt, "rra" },
|
| 563 |
|
|
{ 0x20, 0xE7, jr_cc, "jr %s,"},
|
| 564 |
|
|
{ 0x22, 0xFF, prt_nn, "ld (0x%04x),hl" },
|
| 565 |
|
|
{ 0x27, 0xFF, prt, "daa"},
|
| 566 |
|
|
{ 0x2A, 0xFF, prt_nn, "ld hl,(0x%04x)" },
|
| 567 |
|
|
{ 0x2F, 0xFF, prt, "cpl" },
|
| 568 |
|
|
{ 0x32, 0xFF, prt_nn, "ld (0x%04x),a" },
|
| 569 |
|
|
{ 0x37, 0xFF, prt, "scf" },
|
| 570 |
|
|
{ 0x3A, 0xFF, prt_nn, "ld a,(0x%04x)" },
|
| 571 |
|
|
{ 0x3F, 0xFF, prt, "ccf" },
|
| 572 |
|
|
|
| 573 |
|
|
{ 0x76, 0xFF, prt, "halt" },
|
| 574 |
|
|
{ 0x40, 0xC0, ld_r_r, "ld %s,%s"},
|
| 575 |
|
|
|
| 576 |
|
|
{ 0x80, 0xC0, arit_r, "%s%s" },
|
| 577 |
|
|
|
| 578 |
|
|
{ 0xC0, 0xC7, prt_cc, "ret " },
|
| 579 |
|
|
{ 0xC1, 0xCF, pop_rr, "pop" },
|
| 580 |
|
|
{ 0xC2, 0xC7, jp_cc_nn, "jp " },
|
| 581 |
|
|
{ 0xC3, 0xFF, prt_nn, "jp 0x%04x" },
|
| 582 |
|
|
{ 0xC4, 0xC7, jp_cc_nn, "call " },
|
| 583 |
|
|
{ 0xC5, 0xCF, pop_rr, "push" },
|
| 584 |
|
|
{ 0xC6, 0xC7, arit_n, "%s0x%%02x" },
|
| 585 |
|
|
{ 0xC7, 0xC7, rst, "rst 0x%02x" },
|
| 586 |
|
|
{ 0xC9, 0xFF, prt, "ret" },
|
| 587 |
|
|
{ 0xCB, 0xFF, pref_cb, "" },
|
| 588 |
|
|
{ 0xCD, 0xFF, prt_nn, "call 0x%04x" },
|
| 589 |
|
|
{ 0xD3, 0xFF, prt_n, "out (0x%02x),a" },
|
| 590 |
|
|
{ 0xD9, 0xFF, prt, "exx" },
|
| 591 |
|
|
{ 0xDB, 0xFF, prt_n, "in a,(0x%02x)" },
|
| 592 |
|
|
{ 0xDD, 0xFF, pref_ind, "ix" },
|
| 593 |
|
|
{ 0xE3, 0xFF, prt, "ex (sp),hl" },
|
| 594 |
|
|
{ 0xE9, 0xFF, prt, "jp (hl)" },
|
| 595 |
|
|
{ 0xEB, 0xFF, prt, "ex de,hl" },
|
| 596 |
|
|
{ 0xED, 0xFF, pref_ed, ""},
|
| 597 |
|
|
{ 0xF3, 0xFF, prt, "di" },
|
| 598 |
|
|
{ 0xF9, 0xFF, prt, "ld sp,hl" },
|
| 599 |
|
|
{ 0xFB, 0xFF, prt, "ei" },
|
| 600 |
|
|
{ 0xFD, 0xFF, pref_ind, "iy" },
|
| 601 |
|
|
{ 0x00, 0x00, prt, "????" },
|
| 602 |
|
|
} ;
|
| 603 |
|
|
|
| 604 |
|
|
int
|
| 605 |
|
|
print_insn_z80 (bfd_vma addr, disassemble_info * info)
|
| 606 |
|
|
{
|
| 607 |
|
|
struct buffer buf;
|
| 608 |
|
|
struct tab_elt *p;
|
| 609 |
|
|
|
| 610 |
|
|
buf.base = addr;
|
| 611 |
|
|
buf.n_fetch = 0;
|
| 612 |
|
|
buf.n_used = 0;
|
| 613 |
|
|
|
| 614 |
|
|
if (! fetch_data (& buf, info, 1))
|
| 615 |
|
|
return -1;
|
| 616 |
|
|
|
| 617 |
|
|
for (p = opc_main; p->val != (buf.data[0] & p->mask); ++p)
|
| 618 |
|
|
;
|
| 619 |
|
|
p->fp (& buf, info, p->text);
|
| 620 |
|
|
|
| 621 |
|
|
return buf.n_used;
|
| 622 |
|
|
}
|
