-/* Print Z80 and R800 instructions
- Copyright (C) 2005-2018 Free Software Foundation, Inc.
+/* Print Z80, Z180, EZ80 and R800 instructions
+ Copyright (C) 2005-2020 Free Software Foundation, Inc.
Contributed by Arnold Metselaar <arnold_m@operamail.com>
This file is part of the GNU opcodes library.
bfd_vma base;
int n_fetch;
int n_used;
- signed char data[4];
+ signed char data[6];
+ long inss; /* instruction set bit mask, taken from bfd_mach */
+ int nn_len; /* address length: 2 - Z80 mode, 3 - ADL mode*/
} ;
-typedef int (*func)(struct buffer *, disassemble_info *, char *);
+typedef int (*func)(struct buffer *, disassemble_info *, const char *);
struct tab_elt
{
unsigned char val;
unsigned char mask;
func fp;
- char * text;
+ const char * text;
+ unsigned inss; /* bit mask of supported bfd_mach_* or 0 for all mach */
} ;
+#define INSS_ALL 0
+#define INSS_Z80 ((1 << bfd_mach_z80) | (1 << bfd_mach_z80strict) | (1 << bfd_mach_z80full))
+#define INSS_R800 (1 << bfd_mach_r800)
+#define INSS_GBZ80 (1 << bfd_mach_gbz80)
+#define INSS_Z180 (1 << bfd_mach_z180)
+#define INSS_EZ80_Z80 (1 << bfd_mach_ez80_z80)
+#define INSS_EZ80_ADL (1 << bfd_mach_ez80_adl)
+#define INSS_EZ80 (INSS_EZ80_ADL | INSS_EZ80_Z80)
+
#define TXTSIZ 24
/* Names of 16-bit registers. */
-static char * rr_str[] = { "bc", "de", "hl", "sp" };
+static const char * rr_str[] = { "bc", "de", "hl", "sp" };
/* Names of 8-bit registers. */
-static char * r_str[] = { "b", "c", "d", "e", "h", "l", "(hl)", "a" };
+static const char * r_str[] = { "b", "c", "d", "e", "h", "l", "(hl)", "a" };
/* Texts for condition codes. */
-static char * cc_str[] = { "nz", "z", "nc", "c", "po", "pe", "p", "m" };
+static const char * cc_str[] = { "nz", "z", "nc", "c", "po", "pe", "p", "m" };
/* Instruction names for 8-bit arithmetic, operand "a" is often implicit */
-static char * arit_str[] =
+static const char * arit_str[] =
{
"add a,", "adc a,", "sub ", "sbc a,", "and ", "xor ", "or ", "cp "
} ;
+static const char * arit_str_ez80[] =
+{
+ "add a,", "adc a,", "sub a,", "sbc a,", "and a,", "xor a,", "or a,", "cp a,"
+} ;
+
\f
+static int
+mach_inst (struct buffer *buf, struct tab_elt *p)
+{
+ return !p->inss || (p->inss & buf->inss);
+}
+
static int
fetch_data (struct buffer *buf, disassemble_info * info, int n)
{
int r;
- if (buf->n_fetch + n > 4)
+ if (buf->n_fetch + n > (int)sizeof (buf->data))
abort ();
r = info->read_memory_func (buf->base + buf->n_fetch,
}
static int
-prt (struct buffer *buf, disassemble_info * info, char *txt)
+prt (struct buffer *buf, disassemble_info * info, const char *txt)
{
info->fprintf_func (info->stream, "%s", txt);
buf->n_used = buf->n_fetch;
}
static int
-prt_e (struct buffer *buf, disassemble_info * info, char *txt)
+prt_e (struct buffer *buf, disassemble_info * info, const char *txt)
{
char e;
int target_addr;
}
static int
-jr_cc (struct buffer *buf, disassemble_info * info, char *txt)
+jr_cc (struct buffer *buf, disassemble_info * info, const char *txt)
{
char mytxt[TXTSIZ];
}
static int
-prt_nn (struct buffer *buf, disassemble_info * info, char *txt)
+prt_nn (struct buffer *buf, disassemble_info * info, const char *txt)
{
int nn;
unsigned char *p;
+ int i;
p = (unsigned char*) buf->data + buf->n_fetch;
- if (fetch_data (buf, info, 2))
+ if (fetch_data (buf, info, buf->nn_len))
{
- nn = p[0] + (p[1] << 8);
+ nn = 0;
+ i = buf->nn_len;
+ while (i--)
+ nn = nn * 0x100 + p[i];
info->fprintf_func (info->stream, txt, nn);
buf->n_used = buf->n_fetch;
}
}
static int
-prt_rr_nn (struct buffer *buf, disassemble_info * info, char *txt)
+prt_rr_nn (struct buffer *buf, disassemble_info * info, const char *txt)
{
char mytxt[TXTSIZ];
int rr;
}
static int
-prt_rr (struct buffer *buf, disassemble_info * info, char *txt)
+prt_rr (struct buffer *buf, disassemble_info * info, const char *txt)
{
info->fprintf_func (info->stream, "%s%s", txt,
rr_str[(buf->data[buf->n_fetch - 1] >> 4) & 3]);
}
static int
-prt_n (struct buffer *buf, disassemble_info * info, char *txt)
+prt_n (struct buffer *buf, disassemble_info * info, const char *txt)
{
int n;
unsigned char *p;
}
static int
-ld_r_n (struct buffer *buf, disassemble_info * info, char *txt)
+prt_r_n (struct buffer *buf, disassemble_info * info, const char *txt)
{
char mytxt[TXTSIZ];
+ int r;
- snprintf (mytxt, TXTSIZ, txt, r_str[(buf->data[0] >> 3) & 7]);
+ r = (buf->data[buf->n_fetch - 1] >> 3) & 7;
+ snprintf (mytxt, TXTSIZ, txt, r_str[r]);
return prt_n (buf, info, mytxt);
}
static int
-prt_r (struct buffer *buf, disassemble_info * info, char *txt)
+ld_r_n (struct buffer *buf, disassemble_info * info, const char *txt)
+{
+ char mytxt[TXTSIZ];
+
+ snprintf (mytxt, TXTSIZ, txt, r_str[(buf->data[buf->n_fetch - 1] >> 3) & 7]);
+ return prt_n (buf, info, mytxt);
+}
+
+static int
+prt_r (struct buffer *buf, disassemble_info * info, const char *txt)
{
info->fprintf_func (info->stream, txt,
r_str[(buf->data[buf->n_fetch - 1] >> 3) & 7]);
}
static int
-ld_r_r (struct buffer *buf, disassemble_info * info, char *txt)
+ld_r_r (struct buffer *buf, disassemble_info * info, const char *txt)
{
info->fprintf_func (info->stream, txt,
r_str[(buf->data[buf->n_fetch - 1] >> 3) & 7],
}
static int
-arit_r (struct buffer *buf, disassemble_info * info, char *txt)
+prt_d (struct buffer *buf, disassemble_info * info, const char *txt)
+{
+ int d;
+ signed char *p;
+
+ p = buf->data + buf->n_fetch;
+
+ if (fetch_data (buf, info, 1))
+ {
+ d = p[0];
+ info->fprintf_func (info->stream, txt, d);
+ buf->n_used = buf->n_fetch;
+ }
+ else
+ buf->n_used = -1;
+
+ return buf->n_used;
+}
+
+static int
+prt_rr_d (struct buffer *buf, disassemble_info * info, const char *txt)
{
+ char mytxt[TXTSIZ];
+ int rr;
+
+ rr = (buf->data[buf->n_fetch - 1] >> 4) & 3;
+ if (rr == 3) /* SP is not supported */
+ return 0;
+
+ snprintf (mytxt, TXTSIZ, txt, rr_str[rr]);
+ return prt_d (buf, info, mytxt);
+}
+
+static int
+arit_r (struct buffer *buf, disassemble_info * info, const char *txt)
+{
+ const char * const *arit;
+ arit = (buf->inss & INSS_EZ80) ? arit_str_ez80 : arit_str;
info->fprintf_func (info->stream, txt,
- arit_str[(buf->data[buf->n_fetch - 1] >> 3) & 7],
- r_str[buf->data[buf->n_fetch - 1] & 7]);
+ arit[(buf->data[buf->n_fetch - 1] >> 3) & 7],
+ r_str[buf->data[buf->n_fetch - 1] & 7]);
buf->n_used = buf->n_fetch;
return buf->n_used;
}
static int
-prt_cc (struct buffer *buf, disassemble_info * info, char *txt)
+prt_cc (struct buffer *buf, disassemble_info * info, const char *txt)
{
info->fprintf_func (info->stream, "%s%s", txt,
cc_str[(buf->data[0] >> 3) & 7]);
}
static int
-pop_rr (struct buffer *buf, disassemble_info * info, char *txt)
+pop_rr (struct buffer *buf, disassemble_info * info, const char *txt)
{
static char *rr_stack[] = { "bc","de","hl","af"};
static int
-jp_cc_nn (struct buffer *buf, disassemble_info * info, char *txt)
+jp_cc_nn (struct buffer *buf, disassemble_info * info, const char *txt)
{
char mytxt[TXTSIZ];
}
static int
-arit_n (struct buffer *buf, disassemble_info * info, char *txt)
+arit_n (struct buffer *buf, disassemble_info * info, const char *txt)
{
char mytxt[TXTSIZ];
+ const char * const *arit;
- snprintf (mytxt,TXTSIZ, txt, arit_str[(buf->data[0] >> 3) & 7]);
+ arit = (buf->inss & INSS_EZ80) ? arit_str_ez80 : arit_str;
+ snprintf (mytxt,TXTSIZ, txt, arit[(buf->data[0] >> 3) & 7]);
return prt_n (buf, info, mytxt);
}
static int
-rst (struct buffer *buf, disassemble_info * info, char *txt)
+rst (struct buffer *buf, disassemble_info * info, const char *txt)
{
info->fprintf_func (info->stream, txt, buf->data[0] & 0x38);
buf->n_used = buf->n_fetch;
\f
static int
-cis (struct buffer *buf, disassemble_info * info, char *txt ATTRIBUTE_UNUSED)
+cis (struct buffer *buf, disassemble_info * info, const char *txt ATTRIBUTE_UNUSED)
{
static char * opar[] = { "ld", "cp", "in", "out" };
char * op;
}
static int
-dump (struct buffer *buf, disassemble_info * info, char *txt)
+cism (struct buffer *buf, disassemble_info * info, const char *txt ATTRIBUTE_UNUSED)
+{
+ static char * opar[] = { "in%cm%s", "ot%cm%s" };
+ char * op;
+ char c;
+
+ c = buf->data[1];
+ op = opar[c & 1];
+ info->fprintf_func (info->stream,
+ op,
+ (c & 0x08) ? 'd' : 'i',
+ (c & 0x10) ? "r" : "");
+ buf->n_used = 2;
+ return buf->n_used;
+}
+
+static int
+cis2 (struct buffer *buf, disassemble_info * info, const char *txt ATTRIBUTE_UNUSED)
+{
+ static char * opar[] = { "in", "out" };
+ char * op;
+ char c;
+
+ c = buf->data[1];
+ op = ((0x14 & c) == 0x14) ? "ot" : (opar[c & 1]);
+ info->fprintf_func (info->stream,
+ "%s%c2%s",
+ op,
+ (c & 0x08) ? 'd' : 'i',
+ (c & 0x10) ? "r" : "");
+ buf->n_used = 2;
+ return buf->n_used;
+}
+
+static int
+dump (struct buffer *buf, disassemble_info * info, const char *txt)
{
int i;
/* Table to disassemble machine codes with prefix 0xED. */
struct tab_elt opc_ed[] =
{
- { 0x70, 0xFF, prt, "in f,(c)" },
- { 0x70, 0xFF, dump, "xx" },
- { 0x40, 0xC7, prt_r, "in %s,(c)" },
- { 0x71, 0xFF, prt, "out (c),0" },
- { 0x70, 0xFF, dump, "xx" },
- { 0x41, 0xC7, prt_r, "out (c),%s" },
- { 0x42, 0xCF, prt_rr, "sbc hl," },
- { 0x43, 0xCF, prt_rr_nn, "ld (0x%%04x),%s" },
- { 0x44, 0xFF, prt, "neg" },
- { 0x45, 0xFF, prt, "retn" },
- { 0x46, 0xFF, prt, "im 0" },
- { 0x47, 0xFF, prt, "ld i,a" },
- { 0x4A, 0xCF, prt_rr, "adc hl," },
- { 0x4B, 0xCF, prt_rr_nn, "ld %s,(0x%%04x)" },
- { 0x4D, 0xFF, prt, "reti" },
- { 0x4F, 0xFF, prt, "ld r,a" },
- { 0x56, 0xFF, prt, "im 1" },
- { 0x57, 0xFF, prt, "ld a,i" },
- { 0x5E, 0xFF, prt, "im 2" },
- { 0x5F, 0xFF, prt, "ld a,r" },
- { 0x67, 0xFF, prt, "rrd" },
- { 0x6F, 0xFF, prt, "rld" },
- { 0xA0, 0xE4, cis, "" },
- { 0xC3, 0xFF, prt, "muluw hl,bc" },
- { 0xC5, 0xE7, prt_r, "mulub a,%s" },
- { 0xF3, 0xFF, prt, "muluw hl,sp" },
- { 0x00, 0x00, dump, "xx" }
+ { 0x30, 0xFE, dump, "xx", INSS_ALL },
+ { 0x00, 0xC7, prt_r_n, "in0 %s,(0x%%02x)", INSS_Z180|INSS_EZ80 },
+ { 0x01, 0xC7, prt_r_n, "out0 (0x%%02x),%s", INSS_Z180|INSS_EZ80 },
+ { 0x32, 0xFF, prt_d, "lea ix,ix%+d", INSS_EZ80 },
+ { 0x33, 0xFF, prt_d, "lea iy,iy%+d", INSS_EZ80 },
+ { 0x02, 0xCF, prt_rr_d, "lea %s,ix%%+d", INSS_EZ80 },
+ { 0x03, 0xCF, prt_rr_d, "lea %s,iy%%+d", INSS_EZ80 },
+ { 0x04, 0xC7, prt_r, "tst %s", INSS_Z180},
+ { 0x04, 0xC7, prt_r, "tst a,%s", INSS_EZ80 },
+ { 0x07, 0xFF, prt, "ld bc,(hl)", INSS_EZ80 },
+ { 0x0F, 0xCF, prt_rr, "ld (hl),", INSS_EZ80 },
+ { 0x17, 0xFF, prt, "ld de,(hl)", INSS_EZ80 },
+ { 0x27, 0xFF, prt, "ld hl,(hl)", INSS_EZ80 },
+ { 0x36, 0xFF, prt, "ld iy,(hl)", INSS_EZ80 },
+ { 0x37, 0xFF, prt, "ld ix,(hl)", INSS_EZ80 },
+ { 0x3E, 0xFF, prt, "ld (hl),iy", INSS_EZ80 },
+ { 0x3F, 0xFF, prt, "ld (hl),ix", INSS_EZ80 },
+ { 0x70, 0xFF, prt, "in f,(c)", INSS_Z80 | INSS_R800 },
+ { 0x70, 0xFF, dump, "xx", INSS_ALL },
+ { 0x40, 0xC7, prt_r, "in %s,(bc)", INSS_EZ80 },
+ { 0x40, 0xC7, prt_r, "in %s,(c)", INSS_ALL },
+ { 0x71, 0xFF, prt, "out (c),0", INSS_Z80 },
+ { 0x70, 0xFF, dump, "xx", INSS_ALL },
+ { 0x41, 0xC7, prt_r, "out (bc),%s", INSS_EZ80 },
+ { 0x41, 0xC7, prt_r, "out (c),%s", INSS_ALL },
+ { 0x42, 0xCF, prt_rr, "sbc hl,", INSS_ALL },
+ { 0x43, 0xCF, prt_rr_nn, "ld (0x%%04x),%s", INSS_ALL },
+ { 0x44, 0xFF, prt, "neg", INSS_ALL },
+ { 0x45, 0xFF, prt, "retn", INSS_ALL },
+ { 0x46, 0xFF, prt, "im 0", INSS_ALL },
+ { 0x47, 0xFF, prt, "ld i,a", INSS_ALL },
+ { 0x4A, 0xCF, prt_rr, "adc hl,", INSS_ALL },
+ { 0x4B, 0xCF, prt_rr_nn, "ld %s,(0x%%04x)", INSS_ALL },
+ { 0x4C, 0xCF, prt_rr, "mlt ", INSS_Z180|INSS_EZ80 },
+ { 0x4D, 0xFF, prt, "reti", INSS_ALL },
+ { 0x4F, 0xFF, prt, "ld r,a", INSS_ALL },
+ { 0x54, 0xFF, prt_d, "lea ix,iy%+d", INSS_EZ80 },
+ { 0x55, 0xFF, prt_d, "lea iy,ix%+d", INSS_EZ80 },
+ { 0x56, 0xFF, prt, "im 1", INSS_ALL },
+ { 0x57, 0xFF, prt, "ld a,i", INSS_ALL },
+ { 0x5E, 0xFF, prt, "im 2", INSS_ALL },
+ { 0x5F, 0xFF, prt, "ld a,r", INSS_ALL },
+ { 0x64, 0xFF, prt_n, "tst 0x%02x", INSS_Z180 },
+ { 0x64, 0xFF, prt_n, "tst a,0x%02x", INSS_EZ80 },
+ { 0x65, 0xFF, prt_d, "pea ix%+d", INSS_EZ80 },
+ { 0x66, 0xFF, prt_d, "pea iy%+d", INSS_EZ80 },
+ { 0x67, 0xFF, prt, "rrd", INSS_ALL },
+ { 0x6F, 0xFF, prt, "rld", INSS_ALL },
+ { 0x74, 0xFF, prt_n, "tstio 0x%02x", INSS_Z180|INSS_EZ80 },
+ { 0x76, 0xFF, prt, "slp", INSS_Z180|INSS_EZ80 },
+ { 0x82, 0xE6, cism, "", INSS_Z180|INSS_EZ80 },
+ { 0x84, 0xC7, cis2, "", INSS_EZ80 },
+ { 0xA0, 0xE4, cis, "", INSS_ALL },
+ { 0x7D, 0xFF, prt, "stmix", INSS_EZ80 },
+ { 0x7E, 0xFF, prt, "rsmix", INSS_EZ80 },
+ { 0x6D, 0xFF, prt, "ld mb,a", INSS_EZ80 },
+ { 0x6E, 0xFF, prt, "ld a,mb", INSS_EZ80 },
+ { 0xC7, 0xFF, prt, "ld i,hl", INSS_EZ80 },
+ { 0xD7, 0xFF, prt, "ld hl,i", INSS_EZ80 },
+ { 0xC2, 0xFF, prt, "inirx", INSS_EZ80 },
+ { 0xC3, 0xFF, prt, "otirx", INSS_EZ80 },
+ { 0xCA, 0xFF, prt, "indrx", INSS_EZ80 },
+ { 0xCB, 0xFF, prt, "otdrx", INSS_EZ80 },
+ { 0xC3, 0xFF, prt, "muluw hl,bc", INSS_R800 },
+ { 0xC5, 0xE7, prt_r, "mulub a,%s", INSS_R800 },
+ { 0xF3, 0xFF, prt, "muluw hl,sp", INSS_R800 },
+ { 0x00, 0x00, dump, "xx", INSS_ALL }
};
static int
-pref_ed (struct buffer * buf, disassemble_info * info,
- char* txt ATTRIBUTE_UNUSED)
+pref_ed (struct buffer *buf, disassemble_info *info,
+ const char *txt ATTRIBUTE_UNUSED)
{
struct tab_elt *p;
- if (fetch_data(buf, info, 1))
+ if (fetch_data (buf, info, 1))
{
- for (p = opc_ed; p->val != (buf->data[1] & p->mask); ++p)
- ;
+ for (p = opc_ed; p->val != (buf->data[1] & p->mask) || !mach_inst (buf, p); ++p)
+ ;
p->fp (buf, info, p->text);
}
else
};
static int
-pref_cb (struct buffer * buf, disassemble_info * info,
- char* txt ATTRIBUTE_UNUSED)
+pref_cb (struct buffer *buf, disassemble_info *info,
+ const char *txt ATTRIBUTE_UNUSED)
{
+ const char *op_txt;
+ int idx;
if (fetch_data (buf, info, 1))
{
buf->n_used = 2;
if ((buf->data[1] & 0xc0) == 0)
- info->fprintf_func (info->stream, "%s %s",
- cb2_str[(buf->data[1] >> 3) & 7],
- r_str[buf->data[1] & 7]);
+ {
+ idx = (buf->data[1] >> 3) & 7;
+ if ((buf->inss & INSS_GBZ80) && (idx == 6))
+ op_txt = "swap";
+ else
+ op_txt = cb2_str[idx];
+ info->fprintf_func (info->stream, "%s %s",
+ op_txt,
+ r_str[buf->data[1] & 7]);
+ }
else
info->fprintf_func (info->stream, "%s %d,%s",
cb1_str[(buf->data[1] >> 6) & 3],
}
\f
static int
-addvv (struct buffer * buf, disassemble_info * info, char* txt)
+addvv (struct buffer * buf, disassemble_info * info, const char *txt)
{
info->fprintf_func (info->stream, "add %s,%s", txt, txt);
}
static int
-ld_v_v (struct buffer * buf, disassemble_info * info, char* txt)
+ld_v_v (struct buffer * buf, disassemble_info * info, const char *txt)
{
char mytxt[TXTSIZ];
}
static int
-prt_d (struct buffer *buf, disassemble_info * info, char *txt)
+prt_d_n (struct buffer *buf, disassemble_info * info, const char *txt)
{
+ char mytxt[TXTSIZ];
int d;
signed char *p;
if (fetch_data (buf, info, 1))
{
d = p[0];
- info->fprintf_func (info->stream, txt, d);
- buf->n_used = buf->n_fetch;
+ snprintf (mytxt, TXTSIZ, txt, d);
+ return prt_n (buf, info, mytxt);
}
else
buf->n_used = -1;
}
static int
-prt_d_n (struct buffer *buf, disassemble_info * info, char *txt)
+arit_d (struct buffer *buf, disassemble_info * info, const char *txt)
{
char mytxt[TXTSIZ];
- int d;
- signed char *p;
-
- p = buf->data + buf->n_fetch;
-
- if (fetch_data (buf, info, 1))
- {
- d = p[0];
- snprintf (mytxt, TXTSIZ, txt, d);
- return prt_n (buf, info, mytxt);
- }
- else
- buf->n_used = -1;
+ signed char c;
+ const char * const *arit;
- return buf->n_used;
+ arit = (buf->inss & INSS_EZ80) ? arit_str_ez80 : arit_str;
+ c = buf->data[buf->n_fetch - 1];
+ snprintf (mytxt, TXTSIZ, txt, arit[(c >> 3) & 7]);
+ return prt_d (buf, info, mytxt);
}
static int
-arit_d (struct buffer *buf, disassemble_info * info, char *txt)
+ld_r_d (struct buffer *buf, disassemble_info * info, const char *txt)
{
char mytxt[TXTSIZ];
signed char c;
c = buf->data[buf->n_fetch - 1];
- snprintf (mytxt, TXTSIZ, txt, arit_str[(c >> 3) & 7]);
+ snprintf (mytxt, TXTSIZ, txt, r_str[(c >> 3) & 7]);
return prt_d (buf, info, mytxt);
}
static int
-ld_r_d (struct buffer *buf, disassemble_info * info, char *txt)
+ld_d_r (struct buffer *buf, disassemble_info * info, const char *txt)
{
char mytxt[TXTSIZ];
signed char c;
c = buf->data[buf->n_fetch - 1];
- snprintf (mytxt, TXTSIZ, txt, r_str[(c >> 3) & 7]);
+ snprintf (mytxt, TXTSIZ, txt, r_str[c & 7]);
return prt_d (buf, info, mytxt);
}
static int
-ld_d_r(struct buffer *buf, disassemble_info * info, char *txt)
+ld_ii_ii (struct buffer *buf, disassemble_info * info, const char *txt)
{
char mytxt[TXTSIZ];
signed char c;
+ int p;
+ static const char *ii[2] = { "ix", "iy" };
+ p = (buf->data[buf->n_fetch - 2] == (char) 0xdd) ? 0 : 1;
c = buf->data[buf->n_fetch - 1];
- snprintf (mytxt, TXTSIZ, txt, r_str[c & 7]);
+ if ((c & 0x07) != 0x07)
+ p = 1 - p; /* 0 -> 1, 1 -> 0 */
+ snprintf (mytxt, TXTSIZ, txt, ii[p]);
return prt_d (buf, info, mytxt);
}
static int
-pref_xd_cb (struct buffer * buf, disassemble_info * info, char* txt)
+pref_xd_cb (struct buffer * buf, disassemble_info * info, const char *txt)
{
if (fetch_data (buf, info, 2))
{
/* Table to disassemble machine codes with prefix 0xDD or 0xFD. */
static struct tab_elt opc_ind[] =
{
- { 0x24, 0xF7, prt_r, "inc %s%%s" },
- { 0x25, 0xF7, prt_r, "dec %s%%s" },
- { 0x26, 0xF7, ld_r_n, "ld %s%%s,0x%%%%02x" },
- { 0x21, 0xFF, prt_nn, "ld %s,0x%%04x" },
- { 0x22, 0xFF, prt_nn, "ld (0x%%04x),%s" },
- { 0x2A, 0xFF, prt_nn, "ld %s,(0x%%04x)" },
- { 0x23, 0xFF, prt, "inc %s" },
- { 0x2B, 0xFF, prt, "dec %s" },
- { 0x29, 0xFF, addvv, "%s" },
- { 0x09, 0xCF, prt_rr, "add %s," },
- { 0x34, 0xFF, prt_d, "inc (%s%%+d)" },
- { 0x35, 0xFF, prt_d, "dec (%s%%+d)" },
- { 0x36, 0xFF, prt_d_n, "ld (%s%%+d),0x%%%%02x" },
-
- { 0x76, 0xFF, dump, "h" },
- { 0x46, 0xC7, ld_r_d, "ld %%s,(%s%%%%+d)" },
- { 0x70, 0xF8, ld_d_r, "ld (%s%%%%+d),%%s" },
- { 0x64, 0xF6, ld_v_v, "%s" },
- { 0x60, 0xF0, ld_r_r, "ld %s%%s,%%s" },
- { 0x44, 0xC6, ld_r_r, "ld %%s,%s%%s" },
-
- { 0x86, 0xC7, arit_d, "%%s(%s%%%%+d)" },
- { 0x84, 0xC6, arit_r, "%%s%s%%s" },
-
- { 0xE1, 0xFF, prt, "pop %s" },
- { 0xE5, 0xFF, prt, "push %s" },
- { 0xCB, 0xFF, pref_xd_cb, "%s" },
- { 0xE3, 0xFF, prt, "ex (sp),%s" },
- { 0xE9, 0xFF, prt, "jp (%s)" },
- { 0xF9, 0xFF, prt, "ld sp,%s" },
- { 0x00, 0x00, dump, "?" },
+ { 0x07, 0xFF, prt_d, "ld bc,(%s%%+d)", INSS_EZ80 },
+ { 0x0F, 0xFF, prt_d, "ld (%s%%+d),bc", INSS_EZ80 },
+ { 0x17, 0xFF, prt_d, "ld de,(%s%%+d)", INSS_EZ80 },
+ { 0x1F, 0xFF, prt_d, "ld (%s%%+d),de", INSS_EZ80 },
+ { 0x24, 0xF7, prt_r, "inc %s%%s", INSS_ALL },
+ { 0x25, 0xF7, prt_r, "dec %s%%s", INSS_ALL },
+ { 0x26, 0xF7, ld_r_n, "ld %s%%s,0x%%%%02x", INSS_ALL },
+ { 0x27, 0xFF, prt_d, "ld hl,(%s%%+d)", INSS_EZ80 },
+ { 0x2F, 0xFF, prt_d, "ld (%s%%+d),hl", INSS_EZ80 },
+ { 0x21, 0xFF, prt_nn, "ld %s,0x%%04x", INSS_ALL },
+ { 0x22, 0xFF, prt_nn, "ld (0x%%04x),%s", INSS_ALL },
+ { 0x2A, 0xFF, prt_nn, "ld %s,(0x%%04x)", INSS_ALL },
+ { 0x23, 0xFF, prt, "inc %s", INSS_ALL },
+ { 0x2B, 0xFF, prt, "dec %s", INSS_ALL },
+ { 0x29, 0xFF, addvv, "%s", INSS_ALL },
+ { 0x31, 0xFF, ld_ii_ii, "ld %%s,(%s%%%%+d)", INSS_EZ80 },
+ { 0x37, 0xFF, ld_ii_ii, "ld %%s,(%s%%%%+d)", INSS_EZ80 },
+ { 0x3E, 0xFE, ld_ii_ii, "ld (%s%%%%+d),%%s", INSS_EZ80 },
+ { 0x09, 0xCF, prt_rr, "add %s,", INSS_ALL },
+ { 0x34, 0xFF, prt_d, "inc (%s%%+d)", INSS_ALL },
+ { 0x35, 0xFF, prt_d, "dec (%s%%+d)", INSS_ALL },
+ { 0x36, 0xFF, prt_d_n, "ld (%s%%+d),0x%%%%02x", INSS_ALL },
+
+ { 0x76, 0xFF, dump, "h", INSS_ALL },
+ { 0x46, 0xC7, ld_r_d, "ld %%s,(%s%%%%+d)", INSS_ALL },
+ { 0x70, 0xF8, ld_d_r, "ld (%s%%%%+d),%%s", INSS_ALL },
+ { 0x64, 0xF6, ld_v_v, "%s", INSS_ALL },
+ { 0x60, 0xF0, ld_r_r, "ld %s%%s,%%s", INSS_ALL },
+ { 0x44, 0xC6, ld_r_r, "ld %%s,%s%%s", INSS_ALL },
+
+ { 0x86, 0xC7, arit_d, "%%s(%s%%%%+d)", INSS_ALL },
+ { 0x84, 0xC6, arit_r, "%%s%s%%s", INSS_ALL },
+
+ { 0xE1, 0xFF, prt, "pop %s", INSS_ALL },
+ { 0xE5, 0xFF, prt, "push %s", INSS_ALL },
+ { 0xCB, 0xFF, pref_xd_cb, "%s", INSS_ALL },
+ { 0xE3, 0xFF, prt, "ex (sp),%s", INSS_ALL },
+ { 0xE9, 0xFF, prt, "jp (%s)", INSS_ALL },
+ { 0xF9, 0xFF, prt, "ld sp,%s", INSS_ALL },
+ { 0x00, 0x00, dump, "?", INSS_ALL },
} ;
static int
-pref_ind (struct buffer * buf, disassemble_info * info, char* txt)
+pref_ind (struct buffer *buf, disassemble_info *info, const char *txt)
{
if (fetch_data (buf, info, 1))
{
char mytxt[TXTSIZ];
struct tab_elt *p;
- for (p = opc_ind; p->val != (buf->data[1] & p->mask); ++p)
- ;
+ for (p = opc_ind; p->val != (buf->data[1] & p->mask) || !mach_inst (buf, p); ++p)
+ ;
snprintf (mytxt, TXTSIZ, p->text, txt);
p->fp (buf, info, mytxt);
}
return buf->n_used;
}
+static int
+print_insn_z80_buf (struct buffer *buf, disassemble_info *info);
+
+static int
+suffix (struct buffer *buf, disassemble_info *info, const char *txt)
+{
+ char mybuf[TXTSIZ*4];
+ fprintf_ftype old_fprintf;
+ void *old_stream;
+ char *p;
+
+ switch (txt[2])
+ {
+ case 'l': /* SIL or LIL */
+ buf->nn_len = 3;
+ break;
+ case 's': /* SIS or LIS */
+ buf->nn_len = 2;
+ break;
+ default:
+ abort ();
+ }
+ if (!fetch_data (buf, info, 1)
+ || buf->data[1] == 0x40
+ || buf->data[1] == 0x49
+ || buf->data[1] == 0x52
+ || buf->data[1] == 0x5b)
+ {
+ /* Double prefix, or end of data. */
+ info->fprintf_func (info->stream, "nop ;%s", txt);
+ buf->n_used = 1;
+ return buf->n_used;
+ }
+
+ old_fprintf = info->fprintf_func;
+ old_stream = info->stream;
+ info->fprintf_func = (fprintf_ftype) &sprintf;
+ info->stream = mybuf;
+ buf->base++;
+ if (print_insn_z80_buf (buf, info) >= 0)
+ buf->n_used++;
+ info->fprintf_func = old_fprintf;
+ info->stream = old_stream;
+
+ for (p = mybuf; *p; ++p)
+ if (*p == ' ')
+ break;
+ if (*p)
+ {
+ *p++ = '\0';
+ info->fprintf_func (info->stream, "%s.%s %s", mybuf, txt, p);
+ }
+ else
+ info->fprintf_func (info->stream, "%s.%s", mybuf, txt);
+ return buf->n_used;
+}
+
/* Table to disassemble machine codes without prefix. */
static struct tab_elt opc_main[] =
{
- { 0x00, 0xFF, prt, "nop" },
- { 0x01, 0xCF, prt_rr_nn, "ld %s,0x%%04x" },
- { 0x02, 0xFF, prt, "ld (bc),a" },
- { 0x03, 0xCF, prt_rr, "inc " },
- { 0x04, 0xC7, prt_r, "inc %s" },
- { 0x05, 0xC7, prt_r, "dec %s" },
- { 0x06, 0xC7, ld_r_n, "ld %s,0x%%02x" },
- { 0x07, 0xFF, prt, "rlca" },
- { 0x08, 0xFF, prt, "ex af,af'" },
- { 0x09, 0xCF, prt_rr, "add hl," },
- { 0x0A, 0xFF, prt, "ld a,(bc)" },
- { 0x0B, 0xCF, prt_rr, "dec " },
- { 0x0F, 0xFF, prt, "rrca" },
- { 0x10, 0xFF, prt_e, "djnz " },
- { 0x12, 0xFF, prt, "ld (de),a" },
- { 0x17, 0xFF, prt, "rla" },
- { 0x18, 0xFF, prt_e, "jr "},
- { 0x1A, 0xFF, prt, "ld a,(de)" },
- { 0x1F, 0xFF, prt, "rra" },
- { 0x20, 0xE7, jr_cc, "jr %s,"},
- { 0x22, 0xFF, prt_nn, "ld (0x%04x),hl" },
- { 0x27, 0xFF, prt, "daa"},
- { 0x2A, 0xFF, prt_nn, "ld hl,(0x%04x)" },
- { 0x2F, 0xFF, prt, "cpl" },
- { 0x32, 0xFF, prt_nn, "ld (0x%04x),a" },
- { 0x37, 0xFF, prt, "scf" },
- { 0x3A, 0xFF, prt_nn, "ld a,(0x%04x)" },
- { 0x3F, 0xFF, prt, "ccf" },
-
- { 0x76, 0xFF, prt, "halt" },
- { 0x40, 0xC0, ld_r_r, "ld %s,%s"},
-
- { 0x80, 0xC0, arit_r, "%s%s" },
-
- { 0xC0, 0xC7, prt_cc, "ret " },
- { 0xC1, 0xCF, pop_rr, "pop" },
- { 0xC2, 0xC7, jp_cc_nn, "jp " },
- { 0xC3, 0xFF, prt_nn, "jp 0x%04x" },
- { 0xC4, 0xC7, jp_cc_nn, "call " },
- { 0xC5, 0xCF, pop_rr, "push" },
- { 0xC6, 0xC7, arit_n, "%s0x%%02x" },
- { 0xC7, 0xC7, rst, "rst 0x%02x" },
- { 0xC9, 0xFF, prt, "ret" },
- { 0xCB, 0xFF, pref_cb, "" },
- { 0xCD, 0xFF, prt_nn, "call 0x%04x" },
- { 0xD3, 0xFF, prt_n, "out (0x%02x),a" },
- { 0xD9, 0xFF, prt, "exx" },
- { 0xDB, 0xFF, prt_n, "in a,(0x%02x)" },
- { 0xDD, 0xFF, pref_ind, "ix" },
- { 0xE3, 0xFF, prt, "ex (sp),hl" },
- { 0xE9, 0xFF, prt, "jp (hl)" },
- { 0xEB, 0xFF, prt, "ex de,hl" },
- { 0xED, 0xFF, pref_ed, ""},
- { 0xF3, 0xFF, prt, "di" },
- { 0xF9, 0xFF, prt, "ld sp,hl" },
- { 0xFB, 0xFF, prt, "ei" },
- { 0xFD, 0xFF, pref_ind, "iy" },
- { 0x00, 0x00, prt, "????" },
+ { 0x00, 0xFF, prt, "nop", INSS_ALL },
+ { 0x01, 0xCF, prt_rr_nn, "ld %s,0x%%04x", INSS_ALL },
+ { 0x02, 0xFF, prt, "ld (bc),a", INSS_ALL },
+ { 0x03, 0xCF, prt_rr, "inc ", INSS_ALL },
+ { 0x04, 0xC7, prt_r, "inc %s", INSS_ALL },
+ { 0x05, 0xC7, prt_r, "dec %s", INSS_ALL },
+ { 0x06, 0xC7, ld_r_n, "ld %s,0x%%02x", INSS_ALL },
+ { 0x07, 0xFF, prt, "rlca", INSS_ALL },
+ { 0x08, 0xFF, prt, "ex af,af'", ~INSS_GBZ80 },
+ { 0x09, 0xCF, prt_rr, "add hl,", INSS_ALL },
+ { 0x0A, 0xFF, prt, "ld a,(bc)", INSS_ALL },
+ { 0x0B, 0xCF, prt_rr, "dec ", INSS_ALL },
+ { 0x0F, 0xFF, prt, "rrca", INSS_ALL },
+ { 0x10, 0xFF, prt_e, "djnz ", ~INSS_GBZ80 },
+ { 0x12, 0xFF, prt, "ld (de),a", INSS_ALL },
+ { 0x17, 0xFF, prt, "rla", INSS_ALL },
+ { 0x18, 0xFF, prt_e, "jr ", INSS_ALL },
+ { 0x1A, 0xFF, prt, "ld a,(de)", INSS_ALL },
+ { 0x1F, 0xFF, prt, "rra", INSS_ALL },
+ { 0x20, 0xE7, jr_cc, "jr %s,", INSS_ALL },
+ { 0x22, 0xFF, prt_nn, "ld (0x%04x),hl", ~INSS_GBZ80 },
+ { 0x27, 0xFF, prt, "daa", INSS_ALL },
+ { 0x2A, 0xFF, prt_nn, "ld hl,(0x%04x)", ~INSS_GBZ80 },
+ { 0x2F, 0xFF, prt, "cpl", INSS_ALL },
+ { 0x32, 0xFF, prt_nn, "ld (0x%04x),a", INSS_ALL },
+ { 0x37, 0xFF, prt, "scf", INSS_ALL },
+ { 0x3A, 0xFF, prt_nn, "ld a,(0x%04x)", INSS_ALL },
+ { 0x3F, 0xFF, prt, "ccf", INSS_ALL },
+
+ { 0x76, 0xFF, prt, "halt", INSS_ALL },
+
+ { 0x40, 0xFF, suffix, "sis", INSS_EZ80 },
+ { 0x49, 0xFF, suffix, "lis", INSS_EZ80 },
+ { 0x52, 0xFF, suffix, "sil", INSS_EZ80 },
+ { 0x5B, 0xFF, suffix, "lil", INSS_EZ80 },
+
+ { 0x40, 0xC0, ld_r_r, "ld %s,%s", INSS_ALL},
+
+ { 0x80, 0xC0, arit_r, "%s%s", INSS_ALL },
+
+ { 0xC0, 0xC7, prt_cc, "ret ", INSS_ALL },
+ { 0xC1, 0xCF, pop_rr, "pop", INSS_ALL },
+ { 0xC2, 0xC7, jp_cc_nn, "jp ", INSS_ALL },
+ { 0xC3, 0xFF, prt_nn, "jp 0x%04x", INSS_ALL },
+ { 0xC4, 0xC7, jp_cc_nn, "call ", INSS_ALL },
+ { 0xC5, 0xCF, pop_rr, "push", INSS_ALL },
+ { 0xC6, 0xC7, arit_n, "%s0x%%02x", INSS_ALL },
+ { 0xC7, 0xC7, rst, "rst 0x%02x", INSS_ALL },
+ { 0xC9, 0xFF, prt, "ret", INSS_ALL },
+ { 0xCB, 0xFF, pref_cb, "", INSS_ALL },
+ { 0xCD, 0xFF, prt_nn, "call 0x%04x", INSS_ALL },
+ { 0xD3, 0xFF, prt_n, "out (0x%02x),a", ~INSS_GBZ80 },
+ { 0xD9, 0xFF, prt, "exx", ~INSS_GBZ80 },
+ { 0xDB, 0xFF, prt_n, "in a,(0x%02x)", ~INSS_GBZ80 },
+ { 0xDD, 0xFF, pref_ind, "ix", ~INSS_GBZ80 },
+ { 0xE3, 0xFF, prt, "ex (sp),hl", ~INSS_GBZ80 },
+ { 0xE9, 0xFF, prt, "jp (hl)", INSS_ALL },
+ { 0xEB, 0xFF, prt, "ex de,hl", ~INSS_GBZ80 },
+ { 0xED, 0xFF, pref_ed, "", ~INSS_GBZ80 },
+ { 0xF3, 0xFF, prt, "di", INSS_ALL },
+ { 0xF9, 0xFF, prt, "ld sp,hl", ~INSS_GBZ80 },
+ { 0xFB, 0xFF, prt, "ei", INSS_ALL },
+ { 0xFD, 0xFF, pref_ind, "iy", ~INSS_GBZ80 },
+ { 0x00, 0x00, prt, "????", INSS_ALL },
} ;
int
print_insn_z80 (bfd_vma addr, disassemble_info * info)
{
struct buffer buf;
- struct tab_elt *p;
buf.base = addr;
- buf.n_fetch = 0;
- buf.n_used = 0;
+ buf.inss = 1 << info->mach;
+ buf.nn_len = info->mach == bfd_mach_ez80_adl ? 3 : 2;
+ info->bytes_per_line = (buf.inss & INSS_EZ80) ? 6 : 4; /* <ss pp oo nn mm MM> OR <pp oo nn mm> */
- if (! fetch_data (& buf, info, 1))
+ return print_insn_z80_buf (&buf, info);
+}
+
+static int
+print_insn_z80_buf (struct buffer *buf, disassemble_info *info)
+{
+ struct tab_elt *p;
+
+ buf->n_fetch = 0;
+ buf->n_used = 0;
+ if (! fetch_data (buf, info, 1))
return -1;
- for (p = opc_main; p->val != (buf.data[0] & p->mask); ++p)
+ for (p = opc_main; p->val != (buf->data[0] & p->mask) || !mach_inst (buf, p); ++p)
;
- p->fp (& buf, info, p->text);
+ p->fp (buf, info, p->text);
- return buf.n_used;
+ return buf->n_used;
}
projects / deliverable / binutils-gdb.git / blobdiff