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authorSteve Chamberlain <sac@cygnus>1995-01-16 00:53:05 +0000
committerSteve Chamberlain <sac@cygnus>1995-01-16 00:53:05 +0000
commit321a78a5a059e2769166ccbb3de8233dfb0d33dc (patch)
treeac5e3410c3edb1161fffd7709a2699d16c199b26 /sim/w65
parent506f4ede9c1e5ae444a496854fdec7db869a2f53 (diff)
downloadgdb-321a78a5a059e2769166ccbb3de8233dfb0d33dc.zip
gdb-321a78a5a059e2769166ccbb3de8233dfb0d33dc.tar.gz
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New files.
Diffstat (limited to 'sim/w65')
-rwxr-xr-xsim/w65/Makefile.in253
-rwxr-xr-xsim/w65/configure.in33
-rw-r--r--sim/w65/gencode.c991
-rw-r--r--sim/w65/interp.c365
-rw-r--r--sim/w65/interp.h194
-rw-r--r--sim/w65/run.c109
-rwxr-xr-xsim/w65/w65.mt3
7 files changed, 1948 insertions, 0 deletions
diff --git a/sim/w65/Makefile.in b/sim/w65/Makefile.in
new file mode 100755
index 0000000..1101395
--- /dev/null
+++ b/sim/w65/Makefile.in
@@ -0,0 +1,253 @@
+# Makefile for GNU binary-file utilities
+# Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
+
+# This file is part of GNU binutils.
+
+# 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.
+
+srcdir = .
+
+prefix = /usr/local
+
+program_transform_name =
+exec_prefix = $(prefix)
+bindir = $(exec_prefix)/bin
+libdir = $(exec_prefix)/lib
+tooldir = $(exec_prefix)/$(target_alias)
+
+datadir = $(prefix)/lib
+mandir = $(prefix)/man
+man1dir = $(mandir)/man1
+man2dir = $(mandir)/man2
+man3dir = $(mandir)/man3
+man4dir = $(mandir)/man4
+man5dir = $(mandir)/man5
+man6dir = $(mandir)/man6
+man7dir = $(mandir)/man7
+man8dir = $(mandir)/man8
+man9dir = $(mandir)/man9
+infodir = $(prefix)/info
+includedir = $(prefix)/include
+docdir = $(datadir)/doc
+
+SHELL = /bin/sh
+
+INSTALL = `cd $(srcdir)/..;pwd`/install.sh -c
+INSTALL_PROGRAM = $(INSTALL)
+INSTALL_DATA = $(INSTALL)
+INSTALL_XFORM = $(INSTALL) -t='$(program_transform_name)'
+INSTALL_XFORM1 = $(INSTALL_XFORM) -b=.1
+
+AR = ar
+AR_FLAGS = qv
+CFLAGS = -g
+MAKEINFO = makeinfo
+TEXI2DVI = texi2dvi
+RANLIB = ranlib
+BISONFLAGS = -d
+TEXI2ROFF=texi2roff
+MAKEOVERRIDES=
+CC_FOR_BUILD = $(CC)
+NM_FOR_TARGET = nm
+NM = $(NM_FOR_TARGET)
+SYMLINK = ln -s
+
+# Comment these out if using lex.
+# Distribution version
+
+# Distribution name
+
+# Where to find texinfo.tex to format docn with TeX
+TEXIDIR = $(srcdir)/../texinfo
+
+#CC=gcc -Wall
+CC=cc
+
+# These should all be the same program too.
+RUN_PROG=run
+SIM_LIB=libsim.a
+ADDL_LIBS=
+
+PROGS = $(RUN_PROG)
+LIBS= $(SIM_LIB)
+
+DISTSTUFF = $(PROGS) $(LIBS)
+
+BASEDIR = $(srcdir)/../..
+BFDDIR = $(BASEDIR)/bfd
+INCDIR = $(BASEDIR)/include
+GDBDIR = $(BASEDIR)/gdb
+INCLUDES = -I. -I$(srcdir) -I../../bfd -I$(BFDDIR) -I$(INCDIR) -I$(GDBDIR)
+
+#### host and target dependant Makefile fragments come in here.
+###
+
+ALL_CFLAGS = $(INCLUDES) $(HDEFINES) $(TDEFINES) $(CFLAGS)
+
+.c.o:
+ $(CC) -c $(ALL_CFLAGS) $<
+
+#
+## Random definitions
+# Hopefully all these may be flushed once we get configuration down pat.
+
+# alloca only needed for systems which don't have it and when cc != gcc.
+# ALLOCA = alloca.o
+
+# nm tries to malloc enough space for the string table. The old GNU malloc
+# rounds this up to a power of two (e.g. 5M becomes 8M), and so it might
+# fail unnecessarily. I've also seen some Unix malloc's fail, even when
+# there is enough memory. So use the new GNU malloc.
+# MALLOC = gmalloc.o
+# Use this if the system malloc is good enough.
+MALLOC =
+
+# Use the GNU getopt unless you have problems with it.
+# The IRIS version could probably benefit from being assembled with
+# libmalloc rather than the ordinary malloc.
+LIBIBERTY = ../../libiberty/libiberty.a
+
+BFD = ../../bfd/libbfd.a
+OPCODES = ../../opcodes/libopcodes.a
+
+RUNTEST = runtest
+RUNTESTFLAGS =
+FLAGS_TO_PASS = \
+ "CC=$(CC)" \
+ "CFLAGS=$(CFLAGS)" \
+ "RUNTEST=$(RUNTEST)" \
+ "RUNTESTFLAGS=$(RUNTESTFLAGS)"
+
+#
+## The rules
+
+all: $(LIBS) $(PROGS)
+
+
+$(RUN_PROG): $(LIBS) run.o $(BFD)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $(RUN_PROG) run.o $(SIM_LIB) $(BFD) $(LIBIBERTY)
+
+$(SIM_LIB): case.o interp.o
+ rm -f $(SIM_LIB)
+ $(AR) $(AR_FLAGS) $(SIM_LIB) case.o interp.o
+ $(RANLIB) $(SIM_LIB)
+
+case.c: gencode
+ ./gencode -c >case.c ; \
+ if [ -x /usr/latest/bin/indent ] ; then \
+ /usr/latest/bin/indent case.c ; \
+ fi
+
+optable:gencode
+ ./gencode >optable
+ ./gencode -a >$(srcdir)/../../opcodes/w65-opc.h
+
+gencode:gencode.c
+ $(CC) -o gencode $<
+
+case.o:case.c
+run.o:run.c
+interp.o:interp.c
+
+
+######################################################################
+
+mostlyclean:
+ -rm -f *.o *~ \#* core binutils.?? binutils.??? case.c
+
+clean: mostlyclean
+ -rm -f $(PROGS) *.o *.a
+
+distclean:
+ -rm -f Makefile config.status sysdep.h *.o *~ \#* core y.* \
+ binutils.?? binutils.??s binutils.aux binutils.log binutils.toc gencode run
+ -rm -f $(PROGS) underscore.c
+
+realclean: clean distclean
+ -rm -f $(DISTSTUFF) TAGS
+
+etags tags: TAGS
+
+TAGS: force
+ etags $(INCDIR)/*.h $(srcdir)/*.[hc]
+
+install: all
+ for i in $(PROGS) ; do \
+ $(INSTALL_XFORM) $$i $(bindir)/`echo $$i | sed -e 's/.new//'` ; \
+ done
+
+install-info:
+
+clean-info:
+ -rm -rf *.info*
+
+# Making a dist:
+# cvs rtag binutils-x-yy ld+utils
+# cvs co -r binutils-x-yy ld+utils
+# Sanitize
+# cd {HERE}; make dist [-f Makefile.in]
+
+dist: $(DIST_NAME).tar.z
+
+diststuff: $(DISTSTUFF)
+
+$(DIST_NAME).tar.z:
+ cd ../..; rm -f $(DIST_NAME); ln -s devo $(DIST_NAME)
+ make diststuff -f Makefile.in
+ cd ../ld; make diststuff -f Makefile.in
+ cd ../gprof; make diststuff -f Makefile.in
+ cd ../texinfo; mv texinfo.tex ..; rm -rf *; mv ../texinfo.tex .
+ # Take out texinfo from configurable dirs
+ mv ../configure.in tmp; \
+ sed -e '/^host_tools=/s/texinfo //' <tmp >../configure.in; rm tmp
+ cd ..; chmod og=u `find . -print`
+ cd ../..; tar chf - $(DIST_NAME) | gzip >$(DIST_NAME).tar.z
+ rm -rf ../../$(DIST_NAME)
+
+
+# Dummy target to force execution of dependent targets.
+#
+force:
+
+# Target to uncomment host-specific lines in this makefile. Such lines must
+# have the following string beginning in column 1: #__<hostname>__#
+# Original Makefile is backed up as 'Makefile.old'.
+#
+# Invoke with: make make HOST=xxx
+#
+make:
+ -@if test $(HOST)x = x ; then \
+ echo 'Specify "make make HOST=???"'; \
+ exit 1; \
+ fi ; \
+ grep -s "^#The next line was generated by 'make make'" Makefile; \
+ if test $$? = 0 ; then \
+ echo "Makefile has already been processed with 'make make'";\
+ exit 1; \
+ fi ; \
+ mv -f Makefile Makefile.old; \
+ echo "#The next line was generated by 'make make'" >Makefile ; \
+ echo "HOST=$(HOST)" >>Makefile ; \
+ echo >>Makefile ; \
+ sed "s/^#__$(HOST)__#//" < Makefile.old >>Makefile
+
+Makefile: $(srcdir)/Makefile.in $(host_makefile_frag) $(target_makefile_frag)
+ $(SHELL) ./config.status
+
+### Local Variables: ***
+### mode:fundamental ***
+### page-delimiter: "^# " ***
+### End: ***
+### end of file
diff --git a/sim/w65/configure.in b/sim/w65/configure.in
new file mode 100755
index 0000000..9ae02275
--- /dev/null
+++ b/sim/w65/configure.in
@@ -0,0 +1,33 @@
+# This file is a shell script that supplies the information necessary
+# to tailor a template configure script into the configure script
+# appropriate for this directory. For more information, check any
+# existing configure script.
+
+srctrigger=gencode.c
+srcname="w65sim"
+
+# per-host:
+
+. ${srcdir}/../../bfd/configure.host
+
+# Set up to make a link between the host's include file and "sysdep.h".
+files="../../bfd/hosts/${my_host}.h"
+
+links="sysdep.h"
+
+if [ ! -f ${srcdir}/${files} ] ; then
+ if [ -n "${my_host}" ] ; then
+ echo '***' No file ${srcdir}/${files} 1>&2
+ fi
+ echo '***' ${srcname} does not support host ${host} 1>&2
+ exit 1
+fi
+
+host_makefile_frag=
+if [ -f ${srcdir}/../../bfd/config/${my_host}.mh ] ; then
+ host_makefile_frag=../../bfd/config/${my_host}.mh
+fi
+
+# per-target:
+
+
diff --git a/sim/w65/gencode.c b/sim/w65/gencode.c
new file mode 100644
index 0000000..d51d042
--- /dev/null
+++ b/sim/w65/gencode.c
@@ -0,0 +1,991 @@
+/* Program to write out opcode tables for the W65816 and friends
+ Copyright (C) 1995 Free Software Foundation, Inc.
+ Written by Steve Chamberlain sac@cygnus.com
+
+
+ GDB 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, or (at your option)
+ any later version.
+
+ GDB 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 GDB; see the file COPYING. If not, write to
+ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+#include <stdio.h>
+
+
+struct opinfo
+ {
+ int code;
+ char *opcode;
+ char *mode;
+ int clocks;
+ int cpu;
+ struct ainfo *ai;
+ struct oinfo *oi;
+ };
+
+#define W16_ONLY 1
+#define C02_ONLY 2
+
+struct ainfo
+ {
+ char *name;
+ char *enumname;
+ char *disasmstring;
+ char *sizer;
+ char *reloc0;
+ char *howlval;
+
+ /* If addr val could be reg addr - used for disasssmbly of
+ args into reg names - you want lda <0x10 to turn into lda <r0
+ but you don't want lda #0x10 to do the same. */
+ char regflag;
+ };
+
+#define GET_M 1
+#define SPECIAL_CASE 2
+#define COP_GET 3
+#define G2_GET 4
+#define BRANCH 5
+#define GET_X 6
+#define STANDARD_PC_GET 7
+#define PUSH_16 8
+#define PUSH_8 9
+#define PUSH_X 10
+#define PUSH_M 11
+#define POP_16 12
+#define POP_8 13
+#define POP_X 14
+#define POP_M 15
+#define STORE_M 16
+#define STORE_X 17
+struct oinfo
+ {
+ char *name;
+ int howsrc;
+ char *howto;
+ };
+struct oinfo olist[] =
+{
+ {"adc", GET_M, "{ int old_acc = GET_A; int old_src =src; src = old_src + old_acc + GET_CBIT; SET_NBIT_M(src); SET_VBIT_M(old_src, old_acc, src); SET_CBIT_M(src); SET_ZBIT_M(src); SET_A(src);}"},
+ {"and", GET_M, "src = GET_A & src; SET_NBIT_M(src); SET_ZBIT_M(src);SET_A(src);"},
+ {"asl", G2_GET, " src <<=1; SET_CBIT_M(src); SET_ZBIT_M(src);SET_NBIT_M(src);"},
+ {"bcc", BRANCH, "GET_CBIT==0"},
+ {"bcs", BRANCH, "GET_CBIT==1"},
+ {"beq", BRANCH, "GET_ZBIT==1"},
+ {"bit", GET_M, "SET_NBIT_M(src); SET_VBIT((src >> (GET_MBIT ? 6:14 ) &1)); SET_ZBIT_M (GET_A & src);"},
+ {"bmi", BRANCH, "GET_NBIT==1"},
+ {"bne", BRANCH, "GET_ZBIT==0"},
+ {"bpl", BRANCH, "GET_NBIT==0"},
+ {"bra", BRANCH, "1"},
+ {"brk", SPECIAL_CASE,
+ "\
+{\
+ if (GET_E == 1) \
+ { PUSH16(GET_PC + 1); PUSH8 (GET_P | BFLAG); SET_P (GET_P | IFLAG); SET_ONLY_PC(fetch16 (0xfffe));}\
+ else \
+ { PUSH8 (GET_PBR_LOW); PUSH16 (GET_PC); PUSH8(GET_P); SET_P(GET_P |IFLAG); SET_PBRPC(fetch16 (0xffe6));};\
+ }"},
+ {"brl", BRANCH, "1"},
+ {"bvc", BRANCH, "GET_VBIT==0"},
+ {"bvs", BRANCH, "GET_VBIT==1"},
+ {"clc", SPECIAL_CASE, "SET_CBIT(0);"},
+ {"cld", SPECIAL_CASE, "SET_DBIT(0);"},
+ {"cli", SPECIAL_CASE, "SET_IBIT(0);"},
+ {"clv", SPECIAL_CASE, "SET_VBIT(0);"},
+ {"cmp", GET_M, "src = GET_A - src; SET_ZBIT_M(src); SET_CBIT_M(~src); SET_NBIT_M(src);"},
+ {"cop", COP_GET,
+ "\
+{\
+ if (GET_E == 1) \
+ { PUSH16(GET_PC + 1); PUSH8 (GET_P | BFLAG); SET_P ((GET_P | IFLAG) & ~DFLAG); SET_ONLY_PC(fetch16 (0xfff4));}\
+ else \
+ { PUSH8 (GET_PBR_LOW); PUSH16 (GET_PC); PUSH8(GET_P); SET_P((GET_P |IFLAG) & ~DFLAG); SET_PBRPC(fetch16 (0xffe4));};\
+ }"},
+ {"cpx", GET_X, "src = GET_X - src; SET_NBIT_X(src); SET_ZBIT_X(src); SET_CBIT_X(~src);"},
+ {"cpy", GET_X, "src = GET_Y - src; SET_NBIT_X(src); SET_ZBIT_X(src); SET_CBIT_X(~src);"},
+ {"dec", G2_GET, "src --; SET_NBIT_M(src); SET_ZBIT_M(src); "},
+ {"dex", SPECIAL_CASE, "SET_X(GET_X -1); SET_NBIT_X(GET_X); SET_ZBIT_X(GET_X);"},
+ {"dey", SPECIAL_CASE, "SET_Y(GET_Y -1); SET_NBIT_X(GET_Y); SET_ZBIT_X(GET_Y);"},
+ {"eor", GET_M, "src = GET_A ^ src; SET_NBIT_M(src); SET_ZBIT_M(src);SET_A(src); "},
+ {"inc", G2_GET, "src ++; SET_NBIT_M(src); SET_ZBIT_M(src); "},
+ {"inx", SPECIAL_CASE, "SET_X(GET_X +1); SET_NBIT_X(GET_X); SET_ZBIT_X(GET_X);"},
+ {"iny", SPECIAL_CASE, "SET_Y(GET_Y +1); SET_NBIT_X(GET_Y); SET_ZBIT_X(GET_Y);"},
+ {"jmp", STANDARD_PC_GET, "SET_ONLY_PC(lval);"},
+ {"jsr", STANDARD_PC_GET, "if (l) { PUSH8(GET_PBR_LOW);} PUSH16(GET_PC); SET_ONLY_PC(lval);\n"},
+ {"lda", GET_M, "SET_A(src); SET_NBIT_M(GET_A); SET_ZBIT_M(GET_A);"},
+ {"ldx", GET_X, "SET_X(src);SET_NBIT_X(GET_X); SET_ZBIT_X(GET_X);"},
+ {"ldy", GET_X, "SET_Y(src);SET_NBIT_X(GET_Y); SET_ZBIT_X(GET_Y);"},
+ {"lsr", G2_GET,
+ "SET_CBIT(src & 1); \
+ SET_NBIT(0); \
+ src = src >> 1; \
+ SET_ZBIT_M(src);"},
+ {"mvn", SPECIAL_CASE,
+ "{ int dst_bank; int src_bank; dst_bank = fetch8 ( GET_PC)<<16; INC_PC(1); src_bank = fetch8 (GET_PC)<<16; INC_PC(1);\
+ do { store8 ( dst_bank + GET_X, fetch8 (src_bank + GET_Y)); SET_X(GET_X+1); SET_Y(GET_Y+1); SET_A((GET_A-1) & 0xffff); } while (GET_A != 0xffff);}"},
+ {"mvp", SPECIAL_CASE,
+ "{ int dst_bank; int src_bank; dst_bank = fetch8 ( GET_PBRPC)<<16; INC_PC(1); src_bank = fetch8 (GET_PBRPC)<<16; INC_PC(1);\
+ do { store8 ( dst_bank + GET_X, fetch8 (src_bank + GET_Y)); SET_X(GET_X-1); SET_Y(GET_Y-1); SET_A((GET_A-1) & 0xffff); } while (GET_A != 0xffff);}"},
+
+ {"nop", SPECIAL_CASE, ""},
+{"ora", GET_M, "SET_A(GET_A | src); SET_NBIT_M(GET_A); SET_ZBIT_M(GET_A);"},
+ {"pea", PUSH_16, "src = fetch16(GET_PBRPC); INC_PC(2);"},
+ {"pei", PUSH_16, "src = fetch16(fetch8(GET_PBRPC) + GET_D); INC_PC(1);"},
+ {"per", PUSH_16, "src = fetch16(GET_PBRPC) + GET_PC+2; INC_PC(2);"},
+ {"pha", PUSH_M, "src = GET_A;"},
+ {"phb", PUSH_8, "src = GET_DBR_LOW;"},
+ {"phd", PUSH_16, "src = GET_DPR;"},
+ {"phk", PUSH_8, "src = GET_PBR_LOW;"},
+ {"php", PUSH_8, "src = GET_P;"},
+ {"phx", PUSH_X, "src = GET_X;"},
+ {"phy", PUSH_X, "src = GET_Y;"},
+ {"pla", POP_M, "SET_A( src); SET_NBIT_M(GET_A);SET_ZBIT_M(GET_A);"},
+ {"plb", POP_8, "SET_DBR_LOW(src);SET_NBIT_8(src); SET_ZBIT_8(src);"},
+ {"pld", POP_16, "SET_DPR(src);SET_NBIT_16(src); SET_ZBIT_16(src);"},
+ {"plp", POP_8, "SET_P(src); RETHINK;"},
+ {"plx", POP_X, "SET_X(src);SET_NBIT_X(src);SET_ZBIT_X(src);"},
+ {"ply", POP_X, "SET_Y(src);SET_NBIT_X(src);SET_ZBIT_X(src);"},
+ {"rep", COP_GET, "SET_P(GET_P & ~src); RETHINK;"},
+ {"rol", G2_GET, "src = (src << 1) | GET_CBIT; SET_CBIT((src >> (GET_MBIT ? 7 : 15)) &1); SET_ZBIT_M(src);"},
+ {"ror", G2_GET, "{ int t = src; src = (src>>1) | (GET_CBIT<<((GET_MBIT ? 8:16)-1));SET_NBIT_M(src);SET_ZBIT_M(src); SET_CBIT(t&1);}"},
+ {"rti", SPECIAL_CASE, "{ int t; POP16(t); SET_ONLY_PC(t); if (GET_E==0) { POP8(t); SET_PBR(t);} POP8(t);SET_P(t);}"},
+ {"rtl", SPECIAL_CASE, "{ int t; POP24(t); SET_PBRPC(t);}"},
+ {"rts", SPECIAL_CASE, "{ int t; POP16(t); SET_ONLY_PC(t);}"},
+ {"sbc", GET_M,
+ "{ int old_acc = GET_A & AMASK; int old_src = src & AMASK; src = old_acc - old_src - !GET_CBIT; SET_A(src);\
+ SET_CBIT(!(src>>(GET_MBIT?8:16) &1)); SET_VBIT_M(old_src,old_acc, src); SET_ZBIT_M(src); SET_NBIT_M(src);}"},
+ {"sec", SPECIAL_CASE, "SET_CBIT(1);"},
+ {"sed", SPECIAL_CASE, "SET_DBIT(1);"},
+ {"sei", SPECIAL_CASE, "SET_IBIT(1);"},
+ {"sep", COP_GET, "SET_P(GET_P | src);RETHINK;"},
+ {"sta", STORE_M, "src = GET_A;"},
+ {"stp", SPECIAL_CASE, "abort();"},
+ {"stx", STORE_X, "src = GET_X;"},
+ {"sty", STORE_X, "src = GET_Y;"},
+ {"stz", STORE_M, "src = 0;"},
+{"tax", SPECIAL_CASE, "SET_X(GET_A); SET_NBIT_X(GET_A);SET_ZBIT_X(GET_A);"},
+{"tay", SPECIAL_CASE, "SET_Y(GET_A); SET_NBIT_X(GET_A);SET_ZBIT_X(GET_A);"},
+ {"tcd", SPECIAL_CASE, "SET_DPR(GET_A); SET_NBIT_X(GET_A); SET_ZBIT_X(GET_A);"},
+ {"tcs", SPECIAL_CASE, "SET_S(GET_A);"},
+ {"tdc", SPECIAL_CASE, "SET_A(GET_DPR); SET_NBIT_M(GET_A); SET_ZBIT_M(GET_A);"},
+ {"trb", G2_GET, "SET_ZBIT_M(src & GET_A); src = src & ~GET_A; "},
+ {"tsb", G2_GET, "SET_ZBIT_M(src & GET_A); src = src | GET_A;"},
+{"tsc", SPECIAL_CASE, "SET_A(GET_S); SET_NBIT_16(GET_A); SET_ZBIT_16(GET_A);"},
+{"tsx", SPECIAL_CASE, "SET_X(GET_S); SET_NBIT_X(GET_X); SET_ZBIT_X(GET_X);"},
+{"txa", SPECIAL_CASE, "SET_A(GET_X); SET_NBIT_M(GET_A); SET_ZBIT_M(GET_A);"},
+ {"txs", SPECIAL_CASE, "SET_S(GET_X);"},
+{"txy", SPECIAL_CASE, "SET_Y(GET_X); SET_NBIT_X(GET_Y); SET_ZBIT_X(GET_Y);"},
+{"tya", SPECIAL_CASE, "SET_A(GET_Y); SET_NBIT_M(GET_A); SET_ZBIT_M(GET_A);"},
+{"tyx", SPECIAL_CASE, "SET_X(GET_Y); SET_NBIT_X(GET_X); SET_ZBIT_X(GET_X);"},
+ {"wai", SPECIAL_CASE, "wai();INC_PC(-1);"},
+ {"wdm", SPECIAL_CASE, "SET_A(wdm(GET_A, GET_X));"},
+ {"xba", SPECIAL_CASE,
+ "if (GET_XBIT==0) { SET_A(((GET_A >> 8) & 0xff) | ((GET_A & 0xff)<<8));} else { int t = GET_A; SET_A(GET_B); SET_B(t);}; SET_NBIT_8(GET_A); SET_ZBIT_8(GET_A);"},
+ {"xce", SPECIAL_CASE, "{ int t = GET_E; SET_E(GET_CBIT); SET_CBIT(GET_E);if (GET_E) { SET_MBIT(1); SET_XBIT(1);}}; goto top;"},
+ 0};
+
+struct ainfo alist[] =
+{
+ {"#a", "IMMTOA", "#$0", "M==0 ? 2:1", "M==0 ? %sR_W65_ABS16 : %sR_W65_ABS8", "lval = GET_PBRPC; INC_PC(GET_MBIT ? 1:2); ", 0},
+ {"#c", "IMMCOP", "#$0", "1", "%sR_W65_ABS8", "lval = GET_PBRPC; INC_PC(1); ", 0},
+ {"#i", "IMMTOI", "#$0", "X==0 ? 2:1", "X==0 ? %sR_W65_ABS16 : %sR_W65_ABS8", "lval = GET_PBRPC; INC_PC(GET_XBIT ? 1:2);", 0},
+ {"A", "ACC", "a", "0", 0, "*FAIL**", 0},
+ {"r", "PC_REL", "$0", "1", "%sR_W65_PCR8", "lval = GET_PBR_HIGH + (0xffff &(fetch8sext(GET_PBRPC) + GET_PC + 1)); INC_PC(1);", 0},
+ {"rl", "PC_REL_LONG", "$0", "2", "%sR_W65_PCR16", "lval = GET_PBR_HIGH + (0xffff & (fetch16 (GET_PBRPC) + GET_PC + 2)); INC_PC(2);", 0},
+ {"i", "IMPLIED", "", "0", "", 0},
+ {"s", "STACK", "", "0", "", 0},
+ {"d", "DIR", "<$0", "1", "%sR_W65_ABS8", "lval = fetch8(GET_PBRPC) + GET_D; INC_PC(1);", 1},
+ {"d,x", "DIR_IDX_X", "<$0,x", "1", "%sR_W65_ABS8", "lval = fetch8(GET_PBRPC) + GET_X+ GET_D; INC_PC(1);", 1},
+ {"d,y", "DIR_IDX_Y", "<$0,y", "1", "%sR_W65_ABS8", "lval = fetch8(GET_PBRPC) + GET_Y + GET_D; INC_PC(1);", 1},
+ {"(d)", "DIR_IND", "(<$0)", "1", "%sR_W65_ABS8", "lval = GET_DBR_HIGH + (0xffff & fetch16(fetch8(GET_PBRPC) + GET_D));INC_PC(1);",1},
+ {"(d,x)", "DIR_IDX_IND_X", "(<$0,x)", "1", "%sR_W65_ABS8", "lval = GET_DBR_HIGH + (0xffff & (fetch8 (GET_PBRPC) + GET_D + GET_X)) ; INC_PC(1);",1},
+ {"(d),y", "DIR_IND_IDX_Y", "(<$0),y", "1", "%sR_W65_ABS8", "lval = fetch16(fetch8(GET_PBRPC) + GET_D) + GET_Y + GET_DBR_HIGH;INC_PC(1);",1},
+ {"[d]", "DIR_IND_LONG", "[$0]", "1", "%sR_W65_ABS8", "lval = fetch24(GET_D + fetch8(GET_PBRPC));INC_PC(1);",1},
+
+ {"[d],y", "DIR_IND_IDX_Y_LONG", "[$0],y", "1", "%sR_W65_ABS8", "lval = fetch24(fetch8(GET_PBRPC) + GET_D) + GET_Y;INC_PC(1);",1},
+
+ {"a", "ABS", "!$0", "2", "%sR_W65_ABS16", "lval = fetch16(GET_PBRPC) + GET_DBR_HIGH; INC_PC(2) ; ",1},
+ {"a,x", "ABS_IDX_X", "!$0,x", "2", "%sR_W65_ABS16", "lval = fetch16(GET_PBRPC) + GET_DBR_HIGH + GET_X; INC_PC(2); ",1},
+ {"a,y", "ABS_IDX_Y", "!$0,y", "2", "%sR_W65_ABS16", "lval = fetch16(GET_PBRPC) + GET_DBR_HIGH + GET_Y; INC_PC(2); ", 1},
+ {"al", "ABS_LONG", ">$0", "3", "%sR_W65_ABS24", "lval = fetch24(GET_PBRPC); INC_PC(3);\nl=1;\n", 1},
+ {"[a]", "ABS_IND_LONG", "[>$0]", "2", "%sR_W65_ABS16", "lval = fetch24(fetch16(GET_PBRPC)); INC_PC(2);", 1},
+ {"al,x", "ABS_LONG_IDX_X", ">$0,x", "3", "%sR_W65_ABS24", "lval = fetch24(GET_PBRPC) + GET_X; INC_PC(3);", 1},
+ {"d,s", "STACK_REL", "$0,s", "1", "%sR_W65_ABS8", "lval = fetch8(GET_PBRPC) + GET_S; INC_PC(1);", 0},
+ {"(d,s),y", "STACK_REL_INDX_IDX", "($0,s),y", "1", "%sR_W65_ABS8", "lval = fetch16(fetch8(GET_PBRPC) + GET_S) + GET_DBR_HIGH + GET_Y;INC_PC(1);",0},
+ {"(a)", "ABS_IND", "($0)", "2", "%sR_W65_ABS16", "lval = fetch16(GET_PBRPC) + GET_DBR_HIGH; INC_PC(2);", 1},
+ {"(a,x)", "ABS_IND_IDX", "($0,x)", "2", "%sR_W65_ABS16",
+ "lval = fetch16((0xffff & (fetch16(GET_PBRPC) + GET_X )) + GET_PBR_HIGH) + GET_PBR_HIGH;INC_PC(2);",1},
+ {"xyz", "BLOCK_MOVE", "", "2", "", 0},
+ 0};
+
+
+struct opinfo optable[257] =
+{
+ {0x00, "brk", "s"},
+ {0x01, "ora", "(d,x)"},
+ {0x02, "cop", "#c"},
+ {0x03, "ora", "d,s"},
+ {0x04, "tsb", "d"},
+ {0x05, "ora", "d"},
+ {0x06, "asl", "d"},
+ {0x07, "ora", "[d]"},
+ {0x08, "php", "s"},
+ {0x09, "ora", "#a"},
+ {0x0a, "asl", "A"},
+ {0x0b, "phd", "s"},
+ {0x0c, "tsb", "a"},
+ {0x0d, "ora", "a"},
+ {0x0e, "asl", "a"},
+ {0x0f, "ora", "al"},
+ {0x10, "bpl", "r"},
+ {0x11, "ora", "(d),y"},
+ {0x12, "ora", "(d)"},
+ {0x13, "ora", "(d,s),y"},
+ {0x14, "trb", "d"},
+ {0x15, "ora", "d,x"},
+ {0x16, "asl", "d,x"},
+ {0x17, "ora", "[d],y"},
+ {0x18, "clc", "i"},
+ {0x19, "ora", "a,y"},
+ {0x1a, "inc", "A"},
+ {0x1b, "tcs", "i"},
+ {0x1c, "trb", "a"},
+ {0x1d, "ora", "a,x"},
+ {0x1e, "asl", "a,x"},
+ {0x1f, "ora", "al,x"},
+ {0x20, "jsr", "a"},
+ {0x21, "and", "(d,x)"},
+ {0x22, "jsr", "al"},
+ {0x23, "and", "d,s"},
+ {0x24, "bit", "(d)"},
+ {0x25, "and", "d"},
+ {0x26, "rol", "d"},
+ {0x27, "and", "[d]"},
+ {0x28, "plp", "s"},
+ {0x29, "and", "#a"},
+ {0x2a, "rol", "A"},
+ {0x2b, "pld", "s"},
+ {0x2c, "bit", "a"},
+ {0x2d, "and", "a"},
+ {0x2e, "rol", "a"},
+ {0x2f, "and", "al"},
+ {0x30, "bmi", "r"},
+ {0x31, "and", "(d),y"},
+ {0x32, "and", "(d)"},
+ {0x33, "and", "(d,s),y"},
+ {0x34, "bit", "(d,x)"},
+ {0x35, "and", "d,x"},
+ {0x36, "rol", "d,x"},
+ {0x37, "and", "[d],y"},
+ {0x38, "sec", "i"},
+ {0x39, "and", "a,y"},
+ {0x3a, "dec", "A"},
+ {0x3b, "tsc", "i"},
+ {0x3c, "bit", "a,x"},
+ {0x3d, "and", "a,x"},
+ {0x3e, "rol", "a,x"},
+ {0x3f, "and", "al,x"},
+ {0x40, "rti", "s"},
+ {0x41, "eor", "(d,x)"},
+ {0x42, "wdm", "i"},
+ {0x43, "eor", "d,s"},
+ {0x44, "mvp", "xyz"},
+ {0x45, "eor", "d"},
+ {0x46, "lsr", "d"},
+ {0x47, "eor", "[d]"},
+ {0x48, "pha", "s"},
+ {0x49, "eor", "#a"},
+ {0x4a, "lsr", "A"},
+ {0x4b, "phk", "s"},
+ {0x4c, "jmp", "a"},
+ {0x4d, "eor", "a"},
+ {0x4e, "lsr", "a"},
+ {0x4f, "eor", "al"},
+ {0x50, "bvc", "r"},
+ {0x51, "eor", "(d),y"},
+ {0x52, "eor", "(d)"},
+ {0x53, "eor", "(d,s),y"},
+ {0x54, "mvn", "xyz"},
+ {0x55, "eor", "d,x"},
+ {0x56, "lsr", "d,x"},
+ {0x57, "eor", "[d],y"},
+ {0x58, "cli", "i"},
+ {0x59, "eor", "a,y"},
+ {0x5a, "phy", "s"},
+ {0x5b, "tcd", "i"},
+ {0x5c, "jmp", "al"},
+ {0x5d, "eor", "a,x"},
+ {0x5e, "lsr", "a,x"},
+ {0x5f, "eor", "al,x"},
+ {0x60, "rts", "s"},
+ {0x61, "adc", "(d,x)"},
+ {0x62, "per", "rl"},
+ {0x63, "adc", "d,s"},
+ {0x64, "stz", "d"},
+ {0x65, "adc", "d"},
+ {0x66, "ror", "d"},
+ {0x67, "adc", "[d]"},
+ {0x68, "pla", "s"},
+ {0x69, "adc", "#a"},
+ {0x6a, "ror", "A"},
+ {0x6b, "rtl", "s"},
+ {0x6c, "jmp", "(a)"},
+ {0x6d, "adc", "a"},
+ {0x6e, "ror", "a"},
+ {0x6f, "adc", "al"},
+ {0x70, "bvs", "r"},
+ {0x71, "adc", "(d),y"},
+ {0x72, "adc", "(d)"},
+ {0x73, "adc", "(d,s),y"},
+ {0x74, "stz", "d,x"},
+ {0x75, "adc", "d,x"},
+ {0x76, "ror", "d,x"},
+ {0x77, "adc", "[d],y"},
+ {0x78, "sei", "i"},
+ {0x79, "adc", "a,y"},
+ {0x7a, "ply", "s"},
+ {0x7b, "tdc", "i"},
+ {0x7c, "jmp", "(a,x)"},
+ {0x7d, "adc", "a,x"},
+ {0x7e, "ror", "a,x"},
+ {0x7f, "adc", "al,x"},
+ {0x80, "bra", "r"},
+ {0x81, "sta", "(d,x)"},
+ {0x82, "brl", "rl"},
+ {0x83, "sta", "d,s"},
+ {0x84, "sty", "d"},
+ {0x85, "sta", "d"},
+ {0x86, "stx", "d"},
+ {0x87, "sta", "[d]"},
+ {0x88, "dey", "i"},
+ {0x89, "bit", "#a"},
+ {0x8a, "txa", "i"},
+ {0x8b, "phb", "s"},
+ {0x8c, "sty", "a"},
+ {0x8d, "sta", "a"},
+ {0x8e, "stx", "a"},
+ {0x8f, "sta", "al"},
+ {0x90, "bcc", "r"},
+ {0x91, "sta", "(d),y"},
+ {0x92, "sta", "(d)"},
+ {0x93, "sta", "(d,s),y"},
+ {0x94, "sty", "d,x"},
+ {0x95, "sta", "d,x"},
+ {0x96, "stx", "d,x"},
+ {0x97, "sta", "[d],y"},
+ {0x98, "tya", "i"},
+ {0x99, "sta", "a,y"},
+ {0x9a, "txs", "i"},
+ {0x9b, "txy", "i"},
+ {0x9c, "stz", "a"},
+ {0x9d, "sta", "a,x"},
+ {0x9e, "stz", "a,x"},
+ {0x9f, "sta", "al,x"},
+ {0xa0, "ldy", "#i"},
+ {0xa1, "lda", "(d,x)"},
+ {0xa2, "ldx", "#i"},
+ {0xa3, "lda", "d,s"},
+ {0xa4, "ldy", "d"},
+ {0xa5, "lda", "d"},
+ {0xa6, "ldx", "d"},
+ {0xa7, "lda", "[d]"},
+ {0xa8, "tay", "i"},
+ {0xa9, "lda", "#a"},
+ {0xaa, "tax", "i"},
+ {0xab, "plb", "s"},
+ {0xac, "ldy", "a"},
+ {0xad, "lda", "a"},
+ {0xae, "ldx", "a"},
+ {0xaf, "lda", "al"},
+ {0xb0, "bcs", "r"},
+ {0xb1, "lda", "(d),y"},
+ {0xb2, "lda", "(d)"},
+ {0xb3, "lda", "(d,s),y"},
+ {0xb4, "ldy", "d,x"},
+ {0xb5, "lda", "d,x"},
+ {0xb6, "ldx", "d,y"},
+ {0xb7, "lda", "[d],y"},
+ {0xb8, "clv", "i"},
+ {0xb9, "lda", "a,y"},
+ {0xba, "tsx", "i"},
+ {0xbb, "tyx", "i"},
+ {0xbc, "ldy", "a,x"},
+ {0xbd, "lda", "a,x"},
+ {0xbe, "ldx", "a,y"},
+ {0xbf, "lda", "al,x"},
+ {0xc0, "cpy", "#i"},
+ {0xc1, "cmp", "(d,x)"},
+ {0xc2, "rep", "#c"},
+ {0xc3, "cmp", "d,s"},
+ {0xc4, "cpy", "d"},
+ {0xc5, "cmp", "d"},
+ {0xc6, "dec", "d"},
+ {0xc7, "cmp", "[d]"},
+ {0xc8, "iny", "i"},
+ {0xc9, "cmp", "#a"},
+ {0xca, "dex", "i"},
+ {0xcb, "wai", "i"},
+ {0xcc, "cpy", "a"},
+ {0xcd, "cmp", "a"},
+ {0xce, "dec", "a"},
+ {0xcf, "cmp", "al"},
+ {0xd0, "bne", "r"},
+ {0xd1, "cmp", "(d),y"},
+ {0xd2, "cmp", "(d)"},
+ {0xd3, "cmp", "(d,s),y"},
+ {0xd4, "pei", "d"},
+ {0xd5, "cmp", "d,x"},
+ {0xd6, "dec", "d,x"},
+ {0xd7, "cmp", "[d],y"},
+ {0xd8, "cld", "i"},
+ {0xd9, "cmp", "a,y"},
+ {0xda, "phx", "s"},
+ {0xdb, "stp", "i"},
+ {0xdc, "jmp", "[a]"},
+ {0xdd, "cmp", "a,x"},
+ {0xde, "dec", "a,x"},
+ {0xdf, "cmp", "al,x"},
+ {0xe0, "cpx", "#i"},
+ {0xe1, "sbc", "(d,x)"},
+ {0xe2, "sep", "#c"},
+ {0xe3, "sbc", "d,s"},
+ {0xe4, "cpx", "d"},
+ {0xe5, "sbc", "d"},
+ {0xe6, "inc", "d"},
+ {0xe7, "sbc", "[d]"},
+ {0xe8, "inx", "i"},
+ {0xe9, "sbc", "#a"},
+ {0xea, "nop", "i"},
+ {0xeb, "xba", "i"},
+ {0xec, "cpx", "a"},
+ {0xed, "sbc", "a"},
+ {0xee, "inc", "a"},
+ {0xef, "sbc", "al"},
+ {0xf0, "beq", "r"},
+ {0xf1, "sbc", "(d),y"},
+ {0xf2, "sbc", "(d)"},
+ {0xf3, "sbc", "(d,s),y"},
+ {0xf4, "pea", "a"},
+ {0xf5, "sbc", "d,x"},
+ {0xf6, "inc", "d,x"},
+ {0xf7, "sbc", "[d],y"},
+ {0xf8, "sed", "i"},
+ {0xf9, "sbc", "a,y"},
+ {0xfa, "plx", "s"},
+ {0xfb, "xce", "i"},
+ {0xfc, "jsr", "(a,x)"},
+ {0xfd, "sbc", "a,x"},
+ {0xfe, "inc", "a,x"},
+ {0xff, "sbc", "al,x"},
+ 0};
+
+
+int pfunc(a,b)
+struct opinfo *a;
+struct opinfo *b;
+{
+return strcmp(a->mode, b->mode);
+
+}
+static void
+dump_table ()
+{
+ int x;
+ int y;
+ printf (" |");
+ for (x = 0; x < 16; x++)
+ {
+ printf (" %x |", x);
+ }
+ printf ("\n");
+ printf (" |");
+ for (x = 0; x < 16; x++)
+ {
+ printf ("-------|");
+ }
+ printf ("\n");
+
+ for (y = 0; y < 16; y++)
+ {
+ printf ("%x |", y);
+ for (x = 0; x < 16; x++)
+ {
+ struct opinfo *p = &optable[y * 16 + x];
+ if (p->opcode)
+ {
+ printf ("%-7s", p->opcode);
+ }
+ else
+ {
+ printf ("*******");
+ }
+ printf ("|");
+ }
+ printf ("\n");
+ printf (" |");
+
+ for (x = 0; x < 16; x++)
+ {
+ struct opinfo *p = &optable[y * 16 + x];
+ if (p->mode)
+ {
+ printf ("%-7s", p->mode);
+ }
+ else
+ {
+ printf ("*******");
+ }
+ printf ("|");
+ }
+ printf ("\n");
+ printf (" |");
+ for (x = 0; x < 16; x++)
+ {
+ printf ("-------|");
+ }
+
+
+ printf ("\n");
+ }
+}
+
+dt ()
+{
+#if 0
+ int i;
+ for (i = 0; i < 256; i++)
+ {
+ struct opinfo *p = &optable[i];
+ printf ("/* %02x */ ", i);
+ if (p->opcode)
+ printf ("{\"%s\",\"%s\",%d,%d},", p->opcode->name, p->addr->name);
+
+ printf ("\n");
+ }
+#endif
+
+}
+static
+void
+init_table ()
+{
+ int i;
+ for (i = 0; i < 256; i++)
+ {
+ struct opinfo *p = optable + i;
+ struct ainfo *a;
+ struct oinfo *o;
+ for (a = alist; a->name; a++)
+ {
+ if (strcmp (a->name, p->mode) == 0)
+ {
+ p->ai = a;
+ goto done;
+ }
+ }
+ printf ("bad %x\n", i);
+ done:;
+ for (o = olist; o->name; o++)
+ {
+ if (strcmp (o->name, p->opcode) == 0)
+ {
+ p->oi = o;
+ goto doneo;
+ }
+ }
+ printf ("bad %x\n", i);
+ doneo:;
+
+ }
+}
+
+/* Dump the opcodes sorted by name */
+static
+void
+assembler_table (as)
+{
+ int i;
+ struct oinfo *o;
+ struct ainfo *a;
+ int n = 0;
+ /* Step through the sorted list of opnames */
+ printf (" /* WDC 65816 Assembler opcode table */\n");
+ printf (" /* (generated by the program sim/w65/gencode -a) */\n");
+
+ for (a = alist; a->name; a++)
+ {
+ printf ("#define ADDR_%-20s%d\t /* %-7s */\n", a->enumname, ++n, a->name);
+ }
+
+ printf ("struct opinfo {\n\tint val;\n\tint code;\n\tchar *name;\n\tint amode;\n};\n");
+
+ printf ("struct opinfo optable[257]={\n");
+ if (as)
+ {
+ i = 1;
+ for (o = olist; o->name; o++)
+ {
+ printf ("#define O_%s %d\n", o->name, i++);
+ }
+
+ qsort (optable, 256, sizeof (struct opinfo), pfunc);
+
+ printf ("#ifdef DEFINE_TABLE\n");
+ for (o = olist; o->name; o++)
+ {
+
+ for (i = 0; i < 256; i++)
+ {
+ struct opinfo *p = optable + i;
+
+ if (p->oi == o)
+ {
+ /* This opcode is of the right name */
+ printf ("\t{0x%02X,\tO_%s,\t\"%s\",\tADDR_%s},\n", p->code, p->oi->name, p->oi->name, p->ai->enumname);
+ }
+ }
+ }
+ }
+ else
+ {
+ for (i = 0; i < 256; i++)
+ {
+ struct opinfo *p = optable + i;
+ printf ("\t{0x%02X,\t\"%s\",\tADDR_%s},\n", i, p->oi->name, p->ai->enumname);
+ }
+ }
+
+ printf ("0};\n");
+ printf ("#endif\n");
+
+
+ /* Generate the operand disassembly case list */
+
+ printf ("#define DISASM()\\\n");
+ {
+ struct ainfo *a;
+ for (a = alist; a->name; a++)
+ {
+ printf (" case ADDR_%s:\\\n\t", a->enumname);
+ if (strcmp (a->enumname, "BLOCK_MOVE") == 0)
+ {
+ printf ("args[0] = (asR_W65_ABS16 >>8) &0xff;\\\n");
+ printf ("\targs[1] = ( asR_W65_ABS16 & 0xff);\\\n");
+ printf ("\tprint_operand (0,\"\t$0,$1\",args);\\\n");
+ }
+ else if (a->reloc0 == 0)
+ {
+ printf ("print_operand (0, \"\t%s\", 0);\\\n", a->disasmstring );
+ }
+ else if (strlen (a->reloc0))
+ {
+ printf ("args[0] = ");
+ printf (a->reloc0, "as","as");
+ printf (";\\\n");
+ printf ("\tprint_operand (%d, \"\t%s\", args);\\\n",
+ a->regflag,
+ a->disasmstring);
+ }
+
+ printf ("\tsize += %s;\\\n\tbreak;\\\n", a->sizer);
+ }
+ }
+
+ printf ("\n");
+
+ /* Generate the operand size and type case list */
+
+ printf ("#define GETINFO(size,type,pcrel)\\\n");
+ {
+ struct ainfo *a;
+ for (a = alist; a->name; a++)
+ {
+ printf ("\tcase ADDR_%s: ", a->enumname);
+ printf ("size = %s;type=", a->sizer);
+ if (a->reloc0 && strlen (a->reloc0))
+ {
+ printf (a->reloc0, "", "");
+ }
+ else
+ printf ("-1");
+ printf (";pcrel=%d;", a->name[0] == 'P');
+ printf ("break;\\\n");
+ }
+ }
+ printf ("\n");
+}
+
+
+/* Write out examples of each opcode */
+static
+void
+test_table ()
+{
+ struct opinfo *o;
+ for (o = optable; o->opcode; o++)
+ {
+ printf ("\t%s\t", o->opcode);
+ printf (o->ai->disasmstring, 0x6543210, 0x6543210);
+ printf ("\n");
+ }
+
+}
+
+static void
+op_table ()
+{
+ struct opinfo *o;
+ int i = 0;
+ /* Write four optables, M=0,1 X=0,1 */
+
+ for (o = optable; o->opcode; o++)
+ {
+ printf ("{0x%02x, \"%s\", \"%s\"\t},\n",
+ i++,
+ o->opcode,
+ o->mode);
+ }
+}
+
+int worked_out_lval;
+static void
+genfetch (amode, size)
+ struct ainfo *amode;
+ int size;
+{
+ if (amode->howlval)
+ {
+ if (strcmp (amode->name, "A") == 0)
+ {
+ /* Can't get the lval for the accumulator */
+ printf ("src = GET_A;\n");
+ }
+ else
+ {
+ printf ("%s\n", amode->howlval);
+worked_out_lval = 1;
+ if (size == 0)
+ {
+ printf ("src = fetch16 (lval);\n");
+ }
+ else
+ {
+ printf ("src = fetch8 (lval);\n");
+ }
+ }
+ }
+
+}
+
+static void
+genstore (amode, size)
+ struct ainfo *amode;
+ int size;
+{
+ if (amode->howlval)
+ {
+ if (strcmp (amode->name, "A") == 0)
+ {
+ /* Can't get the lval for the accumulator */
+ printf ("SET_A (src);\n");
+ }
+ else
+ {
+ if (!worked_out_lval)
+ printf ("%s\n", amode->howlval);
+ if (size == 0)
+ {
+ printf ("store16(lval, src);\n");
+ }
+ else
+ {
+ printf ("store8(lval, src);\n");
+ }
+ }
+ }
+}
+/* Generate the code to simulate the instructions */
+static void
+code_table ()
+{
+ struct opinfo *o;
+ int x, m;
+ printf("#include \"interp.h\"\n");
+
+ for (x = 0; x < 2; x++) {
+ for (m = 0; m < 2; m++) {
+ printf("ifunc_X%d_M%d() {\n",x,m);
+ printf("#undef GET_MBIT\n");
+ printf("#undef GET_XBIT\n");
+ printf("#define GET_XBIT %d\n", x);
+ printf("#define GET_MBIT %d\n", m);
+ printf("STARTFUNC();\n");
+ printf("do { register opcode = fetch8(GET_PBRPC); insts++; INC_PC(1);\n");
+ printf ("switch (opcode) {\n");
+ for (o = optable; o->opcode; o++)
+ {
+ printf (" /* %s %s */\n", o->opcode, o->ai->name);
+ printf ("case 0x%02x:\n", o->code);
+ printf ("{\n");
+ printf ("int l ;\n");
+ printf ("register int src;\n");
+ printf ("register int lval;\n");
+worked_out_lval = 0;
+ switch (o->oi->howsrc)
+ {
+ case POP_M:
+ if (m == 0)
+ printf ("POP16 (src);");
+ else
+ printf ("POP8(src);");
+ break;
+ case POP_X:
+ if (x == 0)
+ printf ("POP16 (src);");
+ else
+ printf ("POP8 (src);");
+ break;
+ case POP_8:
+ printf ("POP8 (src);");
+ break;
+ case POP_16:
+ printf ("POP16 (src);");
+ break;
+
+ case STANDARD_PC_GET:
+ printf ("%s\n", o->ai->howlval);
+ break;
+
+ case GET_M:
+ genfetch (o->ai, m);
+ break;
+ case G2_GET:
+ genfetch (o->ai, m);
+ break;
+ case GET_X:
+ genfetch (o->ai, x);
+ break;
+ case BRANCH:
+ printf ("%s", o->ai->howlval);
+ break;
+ case COP_GET:
+ genfetch(o->ai,1);
+ break;
+ case STORE_X:
+ case STORE_M:
+ ;
+ }
+
+ switch (o->oi->howsrc)
+ {
+ case BRANCH:
+ printf ("if (%s) { SET_ONLY_PC(lval);} ", o->oi->howto);
+ break;
+ case SPECIAL_CASE:
+ case GET_M:
+ case GET_X:
+ case STORE_X:
+ case STANDARD_PC_GET:
+ case G2_GET:
+ case PUSH_16:
+ case PUSH_8:
+ case PUSH_M:
+ case PUSH_X:
+ case POP_16:
+ case POP_8:
+ case POP_M:
+ case POP_X:
+ case COP_GET:
+ case STORE_M:
+ printf ("%s", o->oi->howto);
+ break;
+ }
+
+ switch (o->oi->howsrc)
+ {
+ case STORE_M:
+ genstore (o->ai, m);
+ break;
+ case STORE_X:
+ genstore (o->ai, x);
+ break;
+ case PUSH_M:
+ if (m == 0)
+ printf ("PUSH16 (src);");
+ else
+ printf ("PUSH8(src);");
+ break;
+ case PUSH_X:
+ if (x == 0)
+ printf ("PUSH16 (src);");
+ else
+ printf ("PUSH8 (src);");
+ break;
+ case PUSH_8:
+ printf ("PUSH8 (src);");
+ break;
+ case PUSH_16:
+ printf ("PUSH16 (src);");
+ break;
+ case G2_GET:
+ genstore (o->ai, x, m);
+ break;
+ }
+ printf ("}\n");
+
+ printf ("break;\n");
+ }
+ printf ("}\n}\n");
+ printf("while (!saved_state.exception);\n");
+ printf("#undef GET_MBIT\n");
+ printf("#undef GET_XBIT\n");
+ printf("#define GET_MBIT (the_mbit)\n");
+ printf("#define GET_XBIT (the_xbit)\n");
+
+ printf("ENDFUNC();\n");
+ printf("}");
+ }
+ }
+}
+
+int
+main (ac, av)
+ char **av;
+{
+ init_table ();
+
+ if (ac > 1)
+ {
+ if (av[1][1] == 'a')
+ {
+ assembler_table (1);
+ }
+ if (av[1][1] == 't')
+ {
+ test_table ();
+ }
+ if (av[1][1] == 'o')
+ {
+ op_table ();
+ }
+ if (av[1][1] == 'c')
+ {
+ code_table ();
+ }
+ }
+ else
+ dump_table ();
+
+ dt ();
+
+ return 0;
+}
diff --git a/sim/w65/interp.c b/sim/w65/interp.c
new file mode 100644
index 0000000..0a05fbc
--- /dev/null
+++ b/sim/w65/interp.c
@@ -0,0 +1,365 @@
+/* Simulator for the WDC 65816 architecture.
+
+ Written by Steve Chamberlain of Cygnus Support.
+ sac@cygnus.com
+
+ This file is part of W65 sim
+
+
+ THIS SOFTWARE IS NOT COPYRIGHTED
+
+ Cygnus offers the following for use in the public domain. Cygnus
+ makes no warranty with regard to the software or it's performance
+ and the user accepts the software "AS IS" with all faults.
+
+ CYGNUS DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD TO
+ THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+
+*/
+
+#include <signal.h>
+#include "sysdep.h"
+#include <sys/times.h>
+#include <sys/param.h>
+#include "bfd.h"
+#include "remote-sim.h"
+#include "../../newlib/libc/sys/w65/sys/syscall.h"
+
+#include "interp.h"
+
+saved_state_type saved_state;
+
+int
+get_now ()
+{
+ return time ((long *) 0);
+}
+void
+control_c (sig, code, scp, addr)
+ int sig;
+ int code;
+ char *scp;
+ char *addr;
+{
+ saved_state.exception = SIGINT;
+}
+
+wai ()
+{
+ saved_state.exception = SIGTRAP;
+}
+
+
+
+wdm (acc, x)
+ int acc;
+ int x;
+
+{
+int cycles;
+ /* The x points to where the registers live, acc has code */
+
+#define R(arg) (x + arg * 2)
+unsigned R0 = R(0);
+unsigned R4 = R(4);
+unsigned R5 = R(5);
+unsigned R6 = R(6);
+unsigned R7 = R(7);
+unsigned R8 = R(8);
+unsigned char *memory = saved_state.memory;
+ int a1 = fetch16 (R (4));
+ switch (a1)
+ {
+ case SYS_write:
+ {
+ int file = fetch16 (R5);
+ unsigned char *buf = fetch24 (R6) + memory;
+ int len = fetch16 (R8);
+ int res = write (file, buf, len);
+ store16 (R0, res);
+ break;
+ }
+ case 0:
+ printf ("%c", acc);
+ fflush (stdout);
+ break;
+ case 1:
+ saved_state.exception = SIGTRAP;
+ break;
+ default:
+ saved_state.exception = SIGILL;
+ break;
+ }
+}
+
+
+void
+sim_resume (step, insignal)
+ int step;
+ int insignal;
+{
+ void (*prev) ();
+ register unsigned char *memory;
+ if (step)
+ {
+ saved_state.exception = SIGTRAP;
+ }
+ else
+ {
+ saved_state.exception = 0;
+ }
+
+
+ prev = signal (SIGINT, control_c);
+ do
+ {
+ int x = (saved_state.p >> 4) & 1;
+ int m = (saved_state.p >> 5) & 1;
+ if (x == 0 && m == 0)
+ {
+ ifunc_X0_M0 ();
+ }
+ else if (x == 0 && m == 1)
+ {
+ ifunc_X0_M1 ();
+ }
+ else if (x == 1 && m == 0)
+ {
+ ifunc_X1_M0 ();
+ }
+ else if (x == 1 && m == 1)
+ {
+ ifunc_X1_M1 ();
+ }
+ }
+ while (saved_state.exception == 0);
+
+ signal (SIGINT, prev);
+}
+
+
+
+
+init_pointers ()
+{
+ if (!saved_state.memory)
+ {
+ saved_state.memory = calloc (64 * 1024, NUMSEGS);
+ }
+}
+
+int
+sim_write (addr, buffer, size)
+ SIM_ADDR addr;
+ unsigned char *buffer;
+ int size;
+{
+ int i;
+ init_pointers ();
+
+ for (i = 0; i < size; i++)
+ {
+ saved_state.memory[(addr + i) & MMASK] = buffer[i];
+ }
+ return size;
+}
+
+int
+sim_read (addr, buffer, size)
+ SIM_ADDR addr;
+ unsigned char *buffer;
+ int size;
+{
+ int i;
+
+ init_pointers ();
+
+ for (i = 0; i < size; i++)
+ {
+ buffer[i] = saved_state.memory[(addr + i) & MMASK];
+ }
+ return size;
+}
+
+
+
+struct
+{
+ unsigned int *ptr;
+ int size;
+}
+rinfo[] =
+
+{
+ &saved_state.r[0], 2,
+ &saved_state.r[1], 2,
+ &saved_state.r[2], 2,
+ &saved_state.r[3], 2,
+ &saved_state.r[4], 2,
+ &saved_state.r[5], 2,
+ &saved_state.r[6], 2,
+ &saved_state.r[7], 2,
+ &saved_state.r[8], 2,
+ &saved_state.r[9], 2,
+ &saved_state.r[10], 2,
+ &saved_state.r[11], 2,
+ &saved_state.r[12], 2,
+ &saved_state.r[13], 2,
+ &saved_state.r[14], 2,
+ &saved_state.r[15], 4,
+ &saved_state.pc, 4,
+ &saved_state.a, 4,
+ &saved_state.x, 4,
+ &saved_state.y, 4,
+ &saved_state.dbr, 4,
+ &saved_state.d, 4,
+ &saved_state.s, 4,
+ &saved_state.p, 4,
+ &saved_state.ticks, 4,
+ &saved_state.cycles, 4,
+ &saved_state.insts, 4,
+ 0
+};
+
+void
+sim_store_register (rn, value)
+ int rn;
+ unsigned char *value;
+{
+ unsigned int val;
+ int i;
+ val = 0;
+ for (i = 0; i < rinfo[rn].size; i++)
+ {
+ val |= (*value++) << (i * 8);
+ }
+
+ *(rinfo[rn].ptr) = val;
+}
+
+void
+sim_fetch_register (rn, buf)
+ int rn;
+ unsigned char *buf;
+{
+ unsigned int val = *(rinfo[rn].ptr);
+ int i;
+
+ for (i = 0; i < rinfo[rn].size; i++)
+ {
+ *buf++ = val;
+ val = val >> 8;
+ }
+}
+
+
+sim_reg_size (n)
+{
+ return rinfo[n].size;
+}
+int
+sim_trace ()
+{
+ return 0;
+}
+
+void
+sim_stop_reason (reason, sigrc)
+ enum sim_stop *reason;
+ int *sigrc;
+{
+ *reason = sim_stopped;
+ *sigrc = saved_state.exception;
+}
+
+int
+sim_set_pc (x)
+ SIM_ADDR x;
+{
+ saved_state.pc = x;
+ return 0;
+}
+
+
+void
+sim_info (verbose)
+ int verbose;
+{
+ double timetaken = (double) saved_state.ticks;
+ double virttime = saved_state.cycles / 2.0e6;
+
+ printf ("\n\n# instructions executed %10d\n", saved_state.insts);
+ printf ("# cycles %10d\n", saved_state.cycles);
+ printf ("# real time taken %10.4f\n", timetaken);
+ printf ("# virtual time taken %10.4f\n", virttime);
+
+ if (timetaken != 0)
+ {
+ printf ("# cycles/second %10d\n", (int) (saved_state.cycles / timetaken));
+ printf ("# simulation ratio %10.4f\n", virttime / timetaken);
+ }
+
+}
+
+
+
+void
+sim_kill ()
+{
+
+}
+
+void
+sim_open (name)
+ char *name;
+{
+}
+
+
+
+#undef fetch8
+fetch8func (x)
+{
+ if (x & ~MMASK)
+ {
+ saved_state.exception = SIGBUS;
+ return 0;
+ }
+ return saved_state.memory[x];
+}
+
+fetch8 (x)
+{
+return fetch8func(x);
+}
+
+void
+sim_close (quitting)
+ int quitting;
+{
+ /* nothing to do */
+}
+
+int
+sim_load (prog, from_tty)
+ char *prog;
+ int from_tty;
+{
+ /* Return nonzero so gdb will handle it. */
+ return 1;
+}
+
+
+void
+sim_create_inferior (start_address, argv, env)
+ SIM_ADDR start_address;
+ char **argv;
+ char **env;
+{
+ /* ??? We assume this is a 4 byte quantity. */
+ int pc;
+
+ pc = start_address;
+ sim_store_register (16, (unsigned char *) &pc);
+}
diff --git a/sim/w65/interp.h b/sim/w65/interp.h
new file mode 100644
index 0000000..2fd5d22
--- /dev/null
+++ b/sim/w65/interp.h
@@ -0,0 +1,194 @@
+#define fetch8(x) fetch8func((cycles++,(x)))
+#define NFAKES 16
+typedef struct
+ {
+ unsigned a;
+ unsigned x;
+ unsigned y;
+ unsigned pc; /* Keep pbr in there too */
+ unsigned dbr;
+ unsigned d;
+ unsigned s;
+ unsigned p;
+ unsigned e;
+ unsigned char *memory;
+ unsigned int exception;
+ unsigned int ticks;
+ unsigned int cycles;
+ unsigned int insts;
+ unsigned int r[NFAKES];
+ }
+saved_state_type;
+
+
+
+#define GET_P \
+ ((GET_NBIT << 7) \
+ | (GET_VBIT << 6) \
+ | (GET_MBIT << 5) \
+ | (GET_XBIT << 4) \
+ | (GET_DBIT << 3) \
+ | (GET_IBIT << 2) \
+ | (GET_ZBIT << 1) \
+ | (GET_CBIT << 0))
+
+#define SET_P(_bits) \
+{ int bits = _bits; \
+SET_NBIT((bits>>7)&1); \
+SET_VBIT((bits>>6)&1); \
+SET_MBIT((bits>>5)&1); \
+SET_XBIT((bits>>4)&1); \
+SET_DBIT((bits>>3)&1); \
+SET_IBIT((bits>>2)&1); \
+SET_ZBIT((bits>>1)&1); \
+SET_CBIT((bits>>0)&1); }
+
+#define BFLAG (1<<4)
+#define DFLAG (1<<3)
+
+#define GET_A (the_a)
+#define GET_E (the_e)
+#define GET_B (the_b)
+#define GET_CBIT (the_cbit)
+#define GET_D (the_d)
+#define GET_DBIT (the_dbit)
+#define GET_DBR_HIGH (the_dbr)
+#define GET_DBR_LOW (the_dbr >> 16)
+#define GET_DPR (the_dpr)
+#define GET_IBIT (the_ibit)
+#define GET_MBIT (the_mbit)
+#define SET_XBIT(x) { the_xbit = x; }
+#define GET_NBIT (the_nbit)
+#define GET_PBRPC (the_pc)
+#define GET_PBR_HIGH (the_pc & 0xff0000)
+#define GET_PBR_LOW (the_pc >> 16)
+#define GET_PC (the_pc & 0xffff)
+#define GET_S (the_s)
+#define GET_VBIT (the_vbit)
+#define GET_X (the_x)
+#define GET_XBIT (the_xbit)
+#define GET_Y (the_y)
+#define GET_ZBIT (the_zbit)
+#define IFLAG (1<<2)
+#define INC_PC(x) {the_pc += x;}
+#define POP16(x) { int _xx; POP8(x); POP8(_xx); x+= _xx<<8;}
+#define POP24(x) { int _xx; POP8(x); POP8(_xx); x += _xx << 8; POP8(_xx); x += _xx << 16; }
+#define POP8(x) { SET_S(GET_S +1); x = fetch8(GET_S);}
+#define PUSH16(x) { int _xx = x;PUSH8(_xx >> 8); PUSH8(_xx);}
+#define PUSH8(x) { store8(GET_S, x); SET_S(GET_S-1);}
+#define SET_A(x) { the_a = x & AMASK; }
+#define SET_B(x) { the_b = x;}
+#define SET_CBIT(x) { the_cbit = x;}
+#define SET_CBIT_M(x) { the_cbit = (x & (GET_MBIT ? 0x100: 0x10000)) != 0;}
+#define SET_CBIT_X(x) { the_cbit = (x & (GET_XBIT ? 0x100: 0x10000)) != 0;}
+#define SET_D(x) {the_d = x;}
+#define SET_DBIT(x) { the_dbit= x;}
+#define SET_DBR_LOW(x) {the_dbr = (x<<16);}
+#define SET_DPR(x) { the_dpr = x;}
+#define SET_E(x) { the_e = x;}
+#define SET_IBIT(x) { the_ibit = x;}
+#define SET_MBIT(x) { the_mbit = x; }
+#define SET_NBIT(x) { the_nbit = x;}
+#define SET_NBIT_16(x) { the_nbit= ( ((x) & (0x8000)) != 0);}
+#define SET_NBIT_8(x) { the_nbit= ( ((x) & (0x80)) != 0);}
+#define SET_NBIT_M(x) { if (GET_MBIT) { SET_NBIT_8(x); } else { SET_NBIT_16(x);}}
+#define SET_NBIT_X(x) { if (GET_XBIT) { SET_NBIT_8(x); } else { SET_NBIT_16(x);}}
+#define SET_PBR(x) { the_pc = (the_pc & 0xffff) + ((x)<<16);}
+#define SET_PBRPC(x) { the_pc = x;}
+#define SET_ONLY_PC(x) { the_pc = (the_pc & 0xff0000) + ((x ) & 0xffff);}
+#define SET_S(x) {the_s = x; }
+#define SET_VBIT_16(x) {the_vbit = ((((int)x) < -0x8000) || (((int)x) > 0x7fff));}
+#define SET_VBIT_8(x) {the_vbit = ((((int)x) < -0x80) || (((int)x) > 0x7f));}
+/*#define SET_VBIT_M(x) { if(GET_MBIT) {SET_VBIT_8(x);}else {SET_VBIT_16(x);}}*/
+#define SET_ZBIT_16(x) { the_zbit = ((x & 0xffff) == 0);}
+#define SET_ZBIT_8(x) { the_zbit = ((x & 0xff) == 0);}
+#define SET_ZBIT_M(x) { if(GET_MBIT) {SET_ZBIT_8(x);}else {SET_ZBIT_16(x);}}
+#define SET_ZBIT_X(x) { if(GET_XBIT) {SET_ZBIT_8(x);}else {SET_ZBIT_16(x);}}
+#define SET_VBIT(x) { the_vbit = x; }
+#define SET_ZBIT(x) { the_zbit = x; }
+#define SET_X(x) { the_x = (x) & (GET_XBIT ? 0xff : 0xffff);}
+#define SET_Y(x) { the_y = (x) & (GET_XBIT ? 0xff : 0xffff);}
+
+#define AMASK ( GET_MBIT ? 0xff : 0xffff)
+#define SMASK ( GET_MBIT ? 0x80 : 0x8000)
+#define SET_VBIT_M(s1,acc,d) ( the_vbit = ((s1 ^ acc) & (acc ^ d) & SMASK )!=0)
+
+/*#define fetch8(x) (memory[x&MMASK])*/
+#define fetch16(x) (fetch8(x) + (fetch8((x)+1)<<8))
+#define fetch24(x) (fetch8(x) + (fetch8((x)+1)<<8) + (fetch8((x)+2)<<16))
+#define fetch8sext(x) ((char)fetch8(x))
+#define fetch16sext(x) ((short)fetch16(x))
+#define store8(x,y) {memory[x&MMASK]=y;}
+#define store16(x,y) { store8(x,y); store8(x+1,y>>8);}
+#define SEXTM(x) (GET_MBIT ? ((char)x): ((short)x))
+
+
+#define STARTFUNC() \
+ register unsigned char *memory;\
+ int the_s; \
+ int the_b; \
+ int the_x; \
+ int the_d; \
+ int the_y; \
+ int the_dbr; \
+ int the_pc; \
+ int the_nbit; \
+ int the_vbit; \
+ int the_z; \
+ int the_mbit; \
+ int the_ibit; \
+ int the_xbit; \
+ int the_zbit; \
+ int the_cbit; \
+ int the_dbit; \
+ int the_dpr; \
+ int the_e; \
+ int the_a; \
+ int tick_start = get_now ();\
+ int cycles = 0; \
+ int insts = 0; \
+ \
+ SET_E (saved_state.e); \
+ SET_P (saved_state.p); \
+ SET_A (saved_state.a); \
+ SET_X (saved_state.x); \
+ SET_Y (saved_state.y); \
+ SET_ONLY_PC (saved_state.pc); \
+ SET_PBR (saved_state.pc >> 16); \
+ SET_DBR_LOW (saved_state.dbr); \
+ SET_D (saved_state.d); \
+ SET_S (saved_state.s); \
+ memory = saved_state.memory ; \
+{ int k; for (k = 0; k < NFAKES; k++) \
+ store16(0x10 + k * 2, saved_state.r[k]); }\
+ \
+ top: \
+
+
+
+#define ENDFUNC() \
+ rethink: \
+ saved_state.ticks += get_now () - tick_start;\
+ saved_state.cycles += cycles; \
+ saved_state.insts += insts; \
+{ int k; for (k = 0; k < NFAKES; k++) \
+saved_state.r[k] = fetch16(0x10 + k * 2); }\
+ \
+ saved_state.e = GET_E; \
+ saved_state.p = GET_P; \
+ saved_state.a = GET_A; \
+ saved_state.x = GET_X; \
+ saved_state.y = GET_Y; \
+ saved_state.pc = GET_PBRPC; \
+ saved_state.dbr = GET_DBR_LOW; \
+ saved_state.d = GET_D; \
+ saved_state.s = GET_S; \
+ \
+ return 0; \
+
+
+extern saved_state_type saved_state;
+
+#define MMASK 0xfffff
+#define NUMSEGS 16
+#define RETHINK goto rethink;
diff --git a/sim/w65/run.c b/sim/w65/run.c
new file mode 100644
index 0000000..da81dd2
--- /dev/null
+++ b/sim/w65/run.c
@@ -0,0 +1,109 @@
+/* run front end support for W65
+ Copyright (C) 1995 Free Software Foundation, Inc.
+
+This file is part of W65 SIM
+
+GNU CC 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, or (at your option)
+any later version.
+
+GNU CC 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 GNU CC; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+/* Steve Chamberlain
+ sac@cygnus.com */
+
+#include <stdio.h>
+#include "bfd.h"
+#include "sysdep.h"
+
+extern printf();
+
+int
+main (ac, av)
+ int ac;
+ char **av;
+{
+ bfd *abfd;
+ bfd_vma start_address;
+ asection *s;
+ int i;
+ int verbose = 0;
+ int trace = 0;
+ char *name = "";
+
+ for (i = 1; i < ac; i++)
+ {
+ if (strcmp (av[i], "-v") == 0)
+ {
+ verbose = 1;
+ }
+ else if (strcmp (av[i], "-t") == 0)
+ {
+ trace = 1;
+ }
+ else
+ {
+ name = av[i];
+ }
+ }
+ if (verbose)
+ {
+ printf ("run %s\n", name);
+ }
+ abfd = bfd_openr (name, "coff-w65");
+ if (abfd)
+ {
+
+ if (bfd_check_format (abfd, bfd_object))
+ {
+
+ for (s = abfd->sections; s; s = s->next)
+ {
+ unsigned char *buffer = malloc (bfd_section_size (abfd, s));
+ bfd_get_section_contents (abfd,
+ s,
+ buffer,
+ 0,
+ bfd_section_size (abfd, s));
+ sim_write (s->vma, buffer, bfd_section_size (abfd, s));
+ free (buffer);
+ }
+
+ start_address = bfd_get_start_address (abfd);
+ sim_set_pc (start_address);
+ if (trace)
+ {
+ int done = 0;
+ while (!done)
+ {
+ done = sim_trace ();
+ }
+ }
+ else
+ {
+ sim_resume (0, 0);
+ }
+ if (verbose)
+ sim_info (printf, 0);
+
+ /* Find out what was in r0 and return that */
+ {
+ unsigned char b[4];
+ sim_fetch_register(0, b);
+ return b[3];
+ }
+
+ }
+ }
+
+ return 1;
+}
diff --git a/sim/w65/w65.mt b/sim/w65/w65.mt
new file mode 100755
index 0000000..994007b
--- /dev/null
+++ b/sim/w65/w65.mt
@@ -0,0 +1,3 @@
+ALL=all-w65
+CLEAN=clean-w65
+DO_INSTALL=install-w65