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authorNick Clifton <nickc@redhat.com>2005-10-25 17:40:19 +0000
committerNick Clifton <nickc@redhat.com>2005-10-25 17:40:19 +0000
commit3c9b82baee30a1d3cfeb419643c6363dc9267208 (patch)
treee967c167366034d2a3bef0221e40d5abe7b999b6 /opcodes
parentfcfa13d2b2b18f83382c2a0cb82c9c7d21be10cb (diff)
downloadfsf-binutils-gdb-3c9b82baee30a1d3cfeb419643c6363dc9267208.zip
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Add support for the Z80 processor family
Diffstat (limited to 'opcodes')
-rw-r--r--opcodes/ChangeLog8
-rw-r--r--opcodes/Makefile.am4
-rw-r--r--opcodes/Makefile.in4
-rwxr-xr-xopcodes/configure1
-rw-r--r--opcodes/configure.in1
-rw-r--r--opcodes/disassemble.c6
-rw-r--r--opcodes/z80-dis.c620
7 files changed, 644 insertions, 0 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index b81339f..2234e02 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,11 @@
+2005-10-25 Arnold Metselaar <arnold.metselaar@planet.nl>
+
+ * configure.in: Add target architecture bfd_arch_z80.
+ * configure: Regenerated.
+ * disassemble.c (disassembler)<ARCH_z80>: Add case
+ bfd_arch_z80.
+ * z80-dis.c: New file.
+
2005-10-25 Alan Modra <amodra@bigpond.net.au>
* po/POTFILES.in: Regenerate.
diff --git a/opcodes/Makefile.am b/opcodes/Makefile.am
index 5ac0ffe..d8b928e 100644
--- a/opcodes/Makefile.am
+++ b/opcodes/Makefile.am
@@ -178,6 +178,7 @@ CFILES = \
xstormy16-ibld.c \
xstormy16-opc.c \
xtensa-dis.c \
+ z80-dis.c \
z8k-dis.c \
z8kgen.c
@@ -302,6 +303,7 @@ ALL_MACHINES = \
xstormy16-ibld.lo \
xstormy16-opc.lo \
xtensa-dis.lo \
+ z80-dis.lo \
z8k-dis.lo
OFILES = @BFD_MACHINES@
@@ -1028,6 +1030,8 @@ xtensa-dis.lo: xtensa-dis.c $(INCDIR)/xtensa-isa.h \
$(INCDIR)/ansidecl.h $(INCDIR)/libiberty.h $(INCDIR)/ansidecl.h \
sysdep.h ./config.h $(INCDIR)/dis-asm.h $(BFD_H) $(INCDIR)/ansidecl.h \
$(INCDIR)/symcat.h
+z80-dis.lo: z80-dis.c sysdep.h ./config.h $(INCDIR)/ansidecl.h \
+ $(INCDIR)/dis-asm.h $(BFD_H) $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h
z8k-dis.lo: z8k-dis.c sysdep.h ./config.h $(INCDIR)/ansidecl.h \
$(INCDIR)/dis-asm.h $(BFD_H) $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h \
z8k-opc.h
diff --git a/opcodes/Makefile.in b/opcodes/Makefile.in
index f2e8ccd..5d082b7 100644
--- a/opcodes/Makefile.in
+++ b/opcodes/Makefile.in
@@ -400,6 +400,7 @@ CFILES = \
xstormy16-ibld.c \
xstormy16-opc.c \
xtensa-dis.c \
+ z80-dis.c \
z8k-dis.c \
z8kgen.c
@@ -524,6 +525,7 @@ ALL_MACHINES = \
xstormy16-ibld.lo \
xstormy16-opc.lo \
xtensa-dis.lo \
+ z80-dis.lo \
z8k-dis.lo
OFILES = @BFD_MACHINES@
@@ -1570,6 +1572,8 @@ xtensa-dis.lo: xtensa-dis.c $(INCDIR)/xtensa-isa.h \
$(INCDIR)/ansidecl.h $(INCDIR)/libiberty.h $(INCDIR)/ansidecl.h \
sysdep.h ./config.h $(INCDIR)/dis-asm.h $(BFD_H) $(INCDIR)/ansidecl.h \
$(INCDIR)/symcat.h
+z80-dis.lo: z80-dis.c sysdep.h ./config.h $(INCDIR)/ansidecl.h \
+ $(INCDIR)/dis-asm.h $(BFD_H) $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h
z8k-dis.lo: z8k-dis.c sysdep.h ./config.h $(INCDIR)/ansidecl.h \
$(INCDIR)/dis-asm.h $(BFD_H) $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h \
z8k-opc.h
diff --git a/opcodes/configure b/opcodes/configure
index a9c0ac6..34c9ced 100755
--- a/opcodes/configure
+++ b/opcodes/configure
@@ -8769,6 +8769,7 @@ if test x${all_targets} = xfalse ; then
bfd_we32k_arch) ;;
bfd_xstormy16_arch) ta="$ta xstormy16-asm.lo xstormy16-desc.lo xstormy16-dis.lo xstormy16-ibld.lo xstormy16-opc.lo" using_cgen=yes ;;
bfd_xtensa_arch) ta="$ta xtensa-dis.lo" ;;
+ bfd_z80_arch) ta="$ta z80-dis.lo" ;;
bfd_z8k_arch) ta="$ta z8k-dis.lo" ;;
"") ;;
diff --git a/opcodes/configure.in b/opcodes/configure.in
index 5156685..ad02c3e 100644
--- a/opcodes/configure.in
+++ b/opcodes/configure.in
@@ -229,6 +229,7 @@ if test x${all_targets} = xfalse ; then
bfd_we32k_arch) ;;
bfd_xstormy16_arch) ta="$ta xstormy16-asm.lo xstormy16-desc.lo xstormy16-dis.lo xstormy16-ibld.lo xstormy16-opc.lo" using_cgen=yes ;;
bfd_xtensa_arch) ta="$ta xtensa-dis.lo" ;;
+ bfd_z80_arch) ta="$ta z80-dis.lo" ;;
bfd_z8k_arch) ta="$ta z8k-dis.lo" ;;
"") ;;
diff --git a/opcodes/disassemble.c b/opcodes/disassemble.c
index 9304e08..5076068 100644
--- a/opcodes/disassemble.c
+++ b/opcodes/disassemble.c
@@ -75,6 +75,7 @@
#define ARCH_w65
#define ARCH_xstormy16
#define ARCH_xtensa
+#define ARCH_z80
#define ARCH_z8k
#define INCLUDE_SHMEDIA
#endif
@@ -374,6 +375,11 @@ disassembler (abfd)
disassemble = print_insn_xtensa;
break;
#endif
+#ifdef ARCH_z80
+ case bfd_arch_z80:
+ disassemble = print_insn_z80;
+ break;
+#endif
#ifdef ARCH_z8k
case bfd_arch_z8k:
if (bfd_get_mach(abfd) == bfd_mach_z8001)
diff --git a/opcodes/z80-dis.c b/opcodes/z80-dis.c
new file mode 100644
index 0000000..38ce4d1
--- /dev/null
+++ b/opcodes/z80-dis.c
@@ -0,0 +1,620 @@
+/* Print Z80 and R800 instructions
+ Copyright 2005 Free Software Foundation, Inc.
+ Contributed by Arnold Metselaar <arnold_m@operamail.com>
+
+ This file 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., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#include "sysdep.h"
+#include "dis-asm.h"
+#include <stdio.h>
+
+struct buffer
+{
+ bfd_vma base;
+ int n_fetch;
+ int n_used;
+ char data[4];
+} ;
+
+typedef int (*func)(struct buffer *, disassemble_info *, char *);
+
+struct tab_elt
+{
+ unsigned char val;
+ unsigned char mask;
+ func fp;
+ char * text;
+} ;
+
+#define TXTSIZ 16
+/* Names of 16-bit registers. */
+static char * rr_str[] = { "bc", "de", "hl", "sp" };
+/* Names of 8-bit registers. */
+static 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" };
+/* Instruction names for 8-bit arithmetic, operand "a" is often implicit */
+static char * arit_str[] =
+{
+ "add a,", "adc a,", "sub ", "sbc a,", "and ", "xor ", "or ", "cp "
+} ;
+
+static int
+fetch_data (struct buffer *buf, disassemble_info * info, int n)
+{
+ int r;
+
+ if (buf->n_fetch + n > 4)
+ abort ();
+
+ r = info->read_memory_func (buf->base + buf->n_fetch,
+ buf->data + buf->n_fetch,
+ n, info);
+ if (r == 0)
+ buf->n_fetch += n;
+ return !r;
+}
+
+static int
+prt (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ info->fprintf_func (info->stream, "%s", txt);
+ buf->n_used = buf->n_fetch;
+ return 1;
+}
+
+static int
+prt_e (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ char e;
+ int target_addr;
+
+ if (fetch_data (buf, info, 1))
+ {
+ e = buf->data[1];
+ target_addr = (buf->base + 2 + e) & 0xffff;
+ buf->n_used = buf->n_fetch;
+ info->fprintf_func (info->stream, "%s0x%04x", txt, target_addr);
+ }
+ else
+ buf->n_used = -1;
+
+ return buf->n_used;
+}
+
+static int
+jr_cc (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ char mytxt[TXTSIZ];
+
+ snprintf (mytxt, TXTSIZ, txt, cc_str[(buf->data[0] >> 3) & 3]);
+ return prt_e (buf, info, mytxt);
+}
+
+static int
+prt_nn (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ int nn;
+ unsigned char *p;
+
+ p = (unsigned char*) buf->data + buf->n_fetch;
+ if (fetch_data (buf, info, 2))
+ {
+ nn = p[0] + (p[1] << 8);
+ info->fprintf_func (info->stream, txt, nn);
+ buf->n_used = buf->n_fetch;
+ }
+ else
+ buf->n_used = -1;
+ return buf->n_used;
+}
+
+static int
+prt_rr_nn (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ char mytxt[TXTSIZ];
+
+ snprintf (mytxt, TXTSIZ, txt, rr_str[(buf->data[0] >> 4) & 3]);
+ return prt_nn (buf, info, mytxt);
+}
+
+static int
+prt_rr (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ info->fprintf_func (info->stream, "%s%s", txt,
+ rr_str[(buf->data[buf->n_fetch - 1] >> 4) & 3]);
+ buf->n_used = buf->n_fetch;
+ return buf->n_used;
+}
+
+static int
+prt_n (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ int n;
+ unsigned char *p;
+
+ p = (unsigned char*) buf->data + buf->n_fetch;
+
+ if (fetch_data (buf, info, 1))
+ {
+ n = p[0];
+ info->fprintf_func (info->stream, txt, n);
+ buf->n_used = buf->n_fetch;
+ }
+ else
+ buf->n_used = -1;
+
+ return buf->n_used;
+}
+
+static int
+ld_r_n (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ char mytxt[TXTSIZ];
+
+ snprintf (mytxt, TXTSIZ, txt, r_str[(buf->data[0] >> 3) & 7]);
+ return prt_n (buf, info, mytxt);
+}
+
+static int
+prt_r (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ info->fprintf_func (info->stream, txt,
+ r_str[(buf->data[buf->n_fetch - 1] >> 3) & 7]);
+ buf->n_used = buf->n_fetch;
+ return buf->n_used;
+}
+
+static int
+ld_r_r (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ info->fprintf_func (info->stream, txt,
+ r_str[(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
+arit_r (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ 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]);
+ buf->n_used = buf->n_fetch;
+ return buf->n_used;
+}
+
+static int
+prt_cc (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ info->fprintf_func (info->stream, "%s%s", txt,
+ cc_str[(buf->data[0] >> 3) & 7]);
+ buf->n_used = buf->n_fetch;
+ return buf->n_used;
+}
+
+static int
+pop_rr (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ static char *rr_stack[] = { "bc","de","hl","af"};
+
+ info->fprintf_func (info->stream, "%s %s", txt,
+ rr_stack[(buf->data[0] >> 4) & 3]);
+ buf->n_used = buf->n_fetch;
+ return buf->n_used;
+}
+
+
+static int
+jp_cc_nn (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ char mytxt[TXTSIZ];
+
+ snprintf (mytxt,TXTSIZ,
+ "%s%s,0x%%04x", txt, cc_str[(buf->data[0] >> 3) & 7]);
+ return prt_nn (buf, info, mytxt);
+}
+
+static int
+arit_n (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ char mytxt[TXTSIZ];
+
+ snprintf (mytxt,TXTSIZ, txt, arit_str[(buf->data[0] >> 3) & 7]);
+ return prt_n (buf, info, mytxt);
+}
+
+static int
+rst (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ info->fprintf_func (info->stream, txt, buf->data[0] & 0x38);
+ buf->n_used = buf->n_fetch;
+ return buf->n_used;
+}
+
+
+static int
+cis (struct buffer *buf, disassemble_info * info, char *txt ATTRIBUTE_UNUSED)
+{
+ static char * opar[] = { "ld", "cp", "in", "out" };
+ char * op;
+ char c;
+
+ c = buf->data[1];
+ op = ((0x13 & c) == 0x13) ? "ot" : (opar[c & 3]);
+ info->fprintf_func (info->stream,
+ "%s%c%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, char *txt)
+{
+ int i;
+
+ info->fprintf_func (info->stream, "defb ");
+ for (i = 0; txt[i]; ++i)
+ info->fprintf_func (info->stream, i ? ", 0x%02x" : "0x%02x",
+ (unsigned char) buf->data[i]);
+ buf->n_used = i;
+ return buf->n_used;
+}
+
+/* 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" },
+ { 0x56, 0xFF, prt, "im 1" },
+ { 0x57, 0xFF, prt, "ld a,i" },
+ { 0x5E, 0xFF, prt, "im 2" },
+ { 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" }
+};
+
+static int
+pref_ed (struct buffer * buf, disassemble_info * info,
+ char* txt ATTRIBUTE_UNUSED)
+{
+ struct tab_elt *p;
+
+ if (fetch_data(buf, info, 1))
+ {
+ for (p = opc_ed; p->val != (buf->data[1] & p->mask); ++p)
+ ;
+ p->fp (buf, info, p->text);
+ }
+ else
+ buf->n_used = -1;
+
+ return buf->n_used;
+}
+
+/* Instruction names for the instructions addressing single bits. */
+static char *cb1_str[] = { "", "bit", "res", "set"};
+/* Instruction names for shifts and rotates. */
+static char *cb2_str[] =
+{
+ "rlc", "rrc", "rl", "rr", "sla", "sra", "sli", "srl"
+};
+
+static int
+pref_cb (struct buffer * buf, disassemble_info * info,
+ char* txt ATTRIBUTE_UNUSED)
+{
+ 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]);
+ else
+ info->fprintf_func (info->stream, "%s %d,%s",
+ cb1_str[(buf->data[1] >> 6) & 3],
+ (buf->data[1] >> 3) & 7,
+ r_str[buf->data[1] & 7]);
+ }
+ else
+ buf->n_used = -1;
+
+ return buf->n_used;
+}
+
+static int
+addvv (struct buffer * buf, disassemble_info * info, char* txt)
+{
+ info->fprintf_func (info->stream, "add %s,%s", txt, txt);
+
+ return buf->n_used = buf->n_fetch;
+}
+
+static int
+ld_v_v (struct buffer * buf, disassemble_info * info, char* txt)
+{
+ char mytxt[TXTSIZ];
+
+ snprintf (mytxt, TXTSIZ, "ld %s%%s,%s%%s", txt, txt);
+ return ld_r_r (buf, info, mytxt);
+}
+
+static int
+prt_d (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ int d;
+ signed char *p;
+
+ p = (unsigned char*) 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_d_n (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ char mytxt[TXTSIZ];
+ int d;
+ signed char *p;
+
+ p = (unsigned char*) 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;
+
+ return buf->n_used;
+}
+
+static int
+arit_d (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ char mytxt[TXTSIZ];
+ unsigned char c;
+
+ c = buf->data[buf->n_fetch - 1];
+ snprintf (mytxt, TXTSIZ, txt, arit_str[(c >> 3) & 7]);
+ return prt_d (buf, info, mytxt);
+}
+
+static int
+ld_r_d (struct buffer *buf, disassemble_info * info, char *txt)
+{
+ char mytxt[TXTSIZ];
+ unsigned char c;
+
+ c = buf->data[buf->n_fetch - 1];
+ snprintf (mytxt, TXTSIZ, txt, r_str[(c >> 3) & 7]);
+ return prt_d (buf, info, mytxt);
+}
+
+static int
+ld_d_r(struct buffer *buf, disassemble_info * info, char *txt)
+{
+ char mytxt[TXTSIZ];
+ unsigned char c;
+
+ c = buf->data[buf->n_fetch - 1];
+ snprintf (mytxt, TXTSIZ, txt, r_str[c & 7]);
+ return prt_d (buf, info, mytxt);
+}
+
+static int
+pref_xd_cb (struct buffer * buf, disassemble_info * info, char* txt)
+{
+ if (fetch_data (buf, info, 2))
+ {
+ int d;
+ char arg[TXTSIZ];
+ signed char *p;
+
+ buf->n_used = 4;
+ p = buf->data;
+ d = p[2];
+
+ if (((p[3] & 0xC0) == 0x40) || ((p[3] & 7) == 0x06))
+ snprintf (arg, TXTSIZ, "(%s+%d)", txt, d);
+ else
+ snprintf (arg, TXTSIZ, "(%s+%d),%s", txt, d, r_str[p[3] & 7]);
+
+ if ((p[3] & 0xc0) == 0)
+ info->fprintf_func (info->stream, "%s %s",
+ cb2_str[(buf->data[3] >> 3) & 7],
+ arg);
+ else
+ info->fprintf_func (info->stream, "%s %d,%s",
+ cb1_str[(buf->data[3] >> 6) & 3],
+ (buf->data[3] >> 3) & 7,
+ arg);
+ }
+ else
+ buf->n_used = -1;
+
+ return buf->n_used;
+}
+
+/* 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, "?" },
+} ;
+
+static int
+pref_ind (struct buffer * buf, disassemble_info * info, 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)
+ ;
+ snprintf (mytxt, TXTSIZ, p->text, txt);
+ p->fp (buf, info, mytxt);
+ }
+ else
+ buf->n_used = -1;
+
+ 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, "????" },
+} ;
+
+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;
+
+ if (! fetch_data (& buf, info, 1))
+ return -1;
+
+ for (p = opc_main; p->val != (buf.data[0] & p->mask); ++p)
+ ;
+ p->fp (& buf, info, p->text);
+
+ return buf.n_used;
+}