Initial import of pcemu-1.01a. An 8086/8088 CPU emulator.

Closes PR 7294 by Eric Fox.

5 files changed, 291 insertions, 0 deletions

diff --git a/emulators/pcemu/patches/patch-aa b/emulators/pcemu/patches/patch-aa
new file mode 100644
index 00000000000..884c5ba2973
--- /dev/null
+++ b/emulators/pcemu/patches/patch-aa
@@ -0,0 +1,50 @@
+--- Makefile.orig	Wed Jun 22 07:29:06 1994
++++ Makefile	Tue Mar 30 20:01:40 1999
+@@ -49,10 +49,15 @@
+ # been known to crash the emulator when running on certain machines (80x86
+ # based PCs under Linux, and HPs running HPUX). 
+ 
++.include "Makefile.inc"
++
+ CC      = gcc
+-OPTIONS = -DBOOT720 -DBIG_ENDIAN -DALIGNED_ACCESS -DBIGCASE -DINLINE_FUNCTIONS 
+-XROOT   = /usr/local/X11R5
+-CFLAGS  = -I$(XROOT)/include -O2 #-fomit-frame-pointer
++#OPTIONS = -DBOOT720 -DBIG_ENDIAN -DALIGNED_ACCESS -DBIGCASE -DINLINE_FUNCTIONS
++OPTIONS = -DBOOT720 -DBIGCASE -DINLINE_FUNCTIONS \
++	-DBOOTFILE=\"${PREFIX}/lib/pcemu/DriveA\"
++#XROOT   = /usr/local/X11R5
++XROOT   = ${X11BASE}
++CFLAGS  = -I$(XROOT)/include -O2 -pipe #-fomit-frame-pointer
+ 
+ # You may need to add -N to the LFLAGS if you get sporadic segmentation
+ # faults. So far I have only needed to do this when compiling under Linux
+@@ -86,3 +91,28 @@
+ 
+ clean:
+ 	rm $(PROGNAME) *.o
++
++bootstrapper:
++	(cd bootstrap; make unpack)
++
++#mode 0666 is required for DriveA, alas
++install: pcemu bootstrapper
++	-mkdir -p ${LOCALPREFIX}/lib/pcemu \
++		${LOCALPREFIX}/lib/pcemu/doc \
++		${LOCALPREFIX}/lib/pcemu/font \
++		${LOCALPREFIX}/lib/pcemu/C \
++		${LOCALPREFIX}/bin
++	install -c -s -o bin -g bin pcemu ${LOCALPREFIX}/bin/
++	install -c -m 666 bootstrap/display.bin \
++		${LOCALPREFIX}/lib/pcemu/DriveA
++	install -c -m 644 BUGS CHANGES README TODO  bootstrap/README.BSD     \
++		programs/lredir.readme \
++		${LOCALPREFIX}/lib/pcemu/doc/
++	rm -f ${LOCALPREFIX}/lib/pcemu/doc/report.ps.gz
++	gzip --best < report.ps > ${LOCALPREFIX}/lib/pcemu/doc/report.ps.gz
++	rm -f ${LOCALPREFIX}/lib/pcemu/font/vga.pcf.Z
++	bdftopcf vga.bdf | compress > ${LOCALPREFIX}/lib/pcemu/font/vga.pcf.Z
++	mkfontdir ${LOCALPREFIX}/lib/pcemu/font
++	install -c -m 644 programs/vga50.com programs/config.sys \
++		programs/dumpdisk.exe programs/lredir.exe programs/emufs.sys \
++		${LOCALPREFIX}/lib/pcemu/C
diff --git a/emulators/pcemu/patches/patch-ab b/emulators/pcemu/patches/patch-ab
new file mode 100644
index 00000000000..13b57f3d48b
--- /dev/null
+++ b/emulators/pcemu/patches/patch-ab
@@ -0,0 +1,80 @@
+# $NetBSD: patch-ab,v 1.1.1.1 1999/03/31 06:34:07 garbled Exp $
+*** cpu.c.orig	Wed Jun 22 16:24:50 1994
+--- cpu.c	Tue Jan 24 18:37:17 1995
+***************
+*** 1127,1132 ****
+--- 1127,1133 ----
+  
+  static INLINE2 void i_daa(void)
+  {
++     /* Opcode 0x27 */
+      if (AF || ((*bregs[AL] & 0xf) > 9))
+      {
+          *bregs[AL] += 6;
+***************
+*** 1300,1305 ****
+--- 1301,1330 ----
+      c_ss = SegToMemPtr(SS);
+  }
+  
++ static INLINE2 void i_das(void)
++ {
++     /* Opcode 0x2f */
++     if (AF || ((*bregs[AL] & 0xf) > 9))
++     {
++         *bregs[AL] -= 6;
++         AF = 1;
++     }
++     else
++         AF = 0;
++ 
++     if (CF || (*bregs[AL] > 0x9f))
++     {
++         *bregs[AL] -= 0x60;
++         CF = 1;
++     }
++     else
++         CF = 0;
++ 
++     SetPF(*bregs[AL]);
++     SetSFB(*bregs[AL]);
++     SetZFB(*bregs[AL]);
++ }
++ 
+  
+      /* most XOR instructions go here */
+  
+***************
+*** 4140,4146 ****
+  {
+      fprintf(stderr,"Error: Unimplemented opcode %02X at cs:ip = %04X:%04X\n",
+  		    c_cs[ip-1],sregs[CS],ip-1);
+!     exit(1);
+  }
+  
+  
+--- 4165,4171 ----
+  {
+      fprintf(stderr,"Error: Unimplemented opcode %02X at cs:ip = %04X:%04X\n",
+  		    c_cs[ip-1],sregs[CS],ip-1);
+! /*    exit(1); */
+  }
+  
+  
+***************
+*** 4218,4224 ****
+          case 0x2c:    i_sub_ald8(); break;
+          case 0x2d:    i_sub_axd16(); break;
+          case 0x2e:    i_cs(); break;
+!         case 0x2f:    i_notdone(); break;
+          case 0x30:    i_xor_br8(); break;
+          case 0x31:    i_xor_wr16(); break;
+          case 0x32:    i_xor_r8b(); break;
+--- 4243,4249 ----
+          case 0x2c:    i_sub_ald8(); break;
+          case 0x2d:    i_sub_axd16(); break;
+          case 0x2e:    i_cs(); break;
+!         case 0x2f:    i_das(); break;
+          case 0x30:    i_xor_br8(); break;
+          case 0x31:    i_xor_wr16(); break;
+          case 0x32:    i_xor_r8b(); break;
diff --git a/emulators/pcemu/patches/patch-ac b/emulators/pcemu/patches/patch-ac
new file mode 100644
index 00000000000..df2821dbcad
--- /dev/null
+++ b/emulators/pcemu/patches/patch-ac
@@ -0,0 +1,55 @@
+# $NetBSD: patch-ac,v 1.1.1.1 1999/03/31 06:34:07 garbled Exp $
+*** mfs.c.orig	Wed Jun 22 16:24:51 1994
+--- mfs.c	Tue Jan 24 18:41:20 1995
+***************
+*** 319,325 ****
+--- 319,327 ----
+  #include <errno.h>
+  #include <sys/param.h>
+  #include <stdlib.h>
++ #if !__STDC__
+  #include <malloc.h>
++ #endif
+  
+  #ifdef SOLARIS
+  #include <fcntl.h>
+***************
+*** 327,335 ****
+  #endif
+  
+  #if defined(SGI) || defined(RS6000)
+! #include <sys/statfs.h>
+  #else
+! #include <sys/vfs.h>
+  #endif
+  
+  
+--- 329,342 ----
+  #endif
+  
+  #if defined(SGI) || defined(RS6000)
+! # include <sys/statfs.h>
+  #else
+! # include <sys/param.h>
+! # if BSD >= 199103
+! #  include <sys/mount.h>
+! # else
+! #  include <sys/vfs.h>
+! # endif /* new BSD */
+  #endif
+  
+  
+*** mfs.h.orig	Wed Jun 22 16:24:51 1994
+--- mfs.h	Tue Jan 24 18:37:18 1995
+***************
+*** 45,51 ****
+--- 45,53 ----
+  
+  #include "mfs_link.h"
+  
++ #if BSD < 199306		/* newer BSDs have it in <stdio.h> */
+  extern char *sys_errlist[];
++ #endif
+  
+  #if !defined(__hpux) && !defined(SOLARIS) && !defined(SGI) && !defined(RS6000)
+  #define strerror(x) sys_errlist[x]
diff --git a/emulators/pcemu/patches/patch-ad b/emulators/pcemu/patches/patch-ad
new file mode 100644
index 00000000000..8cac640d260
--- /dev/null
+++ b/emulators/pcemu/patches/patch-ad
@@ -0,0 +1,95 @@
+# $NetBSD: patch-ad,v 1.1.1.1 1999/03/31 06:34:07 garbled Exp $
+*** main.c.orig	Wed Jun 22 16:24:50 1994
+--- main.c	Tue Jan 24 18:37:18 1995
+***************
+*** 39,44 ****
+--- 39,56 ----
+      exit(0);
+  }
+  
++ static char *set_keymap(char *buf)
++ {
++ 	char c;
++ 	int code;
++ 	
++ 	if(sscanf(buf, " %*s %i=%c", &code, &c) != 2)
++ 		return "usage: keymap code=char";
++ 	if(put_scan_table(code, (unsigned char)c))
++ 		return "bad value for keymap";
++ 	return 0;
++ }
++ 
+  
+  void check_error(char *msg, int line)
+  {
+***************
+*** 89,94 ****
+--- 101,108 ----
+              check_error(set_update_rate(strtol(value, NULL,10)), line);
+          else if (strcasecmp(keyword,"cursorspeed") == 0)
+              check_error(set_cursor_rate(strtol(value, NULL,10)), line);
++ 	else if (strcasecmp(keyword,"keymap") == 0)
++ 		check_error(set_keymap(buffer), line);
+          else
+              check_error("Syntax error in .pcemu file", line);
+      }
+*** xstuff.c.orig	Wed Jun 22 16:24:51 1994
+--- xstuff.c	Tue Jan 24 18:37:19 1995
+***************
+*** 316,322 ****
+  }
+  
+  
+! static BYTE scan_table1[] =
+  {
+      0x39, 0x02, 
+  #ifdef KBUK             /* double quotes, hash symbol */
+--- 316,322 ----
+  }
+  
+  
+! static BYTE scan_table1[256 - 0x20] =
+  {
+      0x39, 0x02, 
+  #ifdef KBUK             /* double quotes, hash symbol */
+***************
+*** 360,365 ****
+--- 360,366 ----
+  #else
+      0x29,
+  #endif
++     0
+  };
+  
+  
+***************
+*** 458,463 ****
+--- 459,474 ----
+              return (scan_table2[i].scan_code);
+  
+      return 0;
++ }
++ 
++ 
++ int put_scan_table(BYTE code, unsigned char c)
++ {
++ 	/* interface to overload scan_table1 from .pcemurc */
++ 	if(c < ' ' || c >= ' ' + sizeof scan_table1)
++ 		return 1;
++ 	scan_table1[c - ' '] = code;
++ 	return 0;
+  }
+  
+  
+*** xstuff.h.orig	Wed Jun 22 16:24:51 1994
+--- xstuff.h	Tue Jan 24 18:37:19 1995
+***************
+*** 17,22 ****
+--- 17,23 ----
+  
+  void start_X(void);
+  void end_X(void);
++ int put_scan_table(BYTE, unsigned char);
+  void process_Xevents(void);
+  void flush_X(void);
+  
diff --git a/emulators/pcemu/patches/patch-ae b/emulators/pcemu/patches/patch-ae
new file mode 100644
index 00000000000..7fe17f9c0f3
--- /dev/null
+++ b/emulators/pcemu/patches/patch-ae
@@ -0,0 +1,11 @@
+# $NetBSD: patch-ae,v 1.1.1.1 1999/03/31 06:34:07 garbled Exp $
+*** programs/config.sys.orig	Mon Mar 27 21:27:23 1995
+--- programs/config.sys	Mon Mar 27 22:19:26 1995
+***************
+*** 1,2 ****
+! device=emufs.sys /
+! stacks 9,512
+--- 1,3 ----
+! device=\emufs.sys /usr/local/lib/pcemu/C
+! stacks 9,512
+!