The xina version compiles again with nasm.

ci86.gnr

@@ -333,7 +333,10 @@ _LINUX_C_({Called from c. Remainder c-routines to be called from here.
         extern  c_rslw, c_block_exit, c_block_init, c_debug
         GLOBAL  ciforth})
 })_C{}_END_({ _HOSTED_LINUX_})
-_HOSTED_OSX_({include(constant_osx.m4) })
+_HOSTED_OSX_({
+include(constant_osx.m4)
+RAWIO           EQU     (ECHO _OR_ ICANON)
+})_C{}_END_({ _HOSTED_OSX_})
 _PC_({
 create  EQU     0x3C00
 open    EQU     0x3D00
@@ -2461,9 +2464,7 @@ CODE_HEADER({DSP!},{SPSTO})
         MOV     SPO,AX        _C{RESET PARAM STACK POINTER}
         _NEXT
 _C
-dnl Note that this is now in the .lab .
-dnl If there are more, this documentation should be in the a lab.mi file.
-worddoc( {STACKS},{DEPTH},,{--- n1},{ISO,WANT},
+worddoc( {STACKS},{DEPTH},{depth},{--- n1},{ISO},
 {Leave into forthvar({n1}) the number of items on the data stack,
 before forthvar({n1}) was pushed.},
 {{DSP@@}},
@@ -2477,6 +2478,16 @@ _HEADER({DEPTH},{DEPTH},{DOCOL})
         DC      ONEM
         DC      SEMIS
 _C
+worddoc( {STACKS},{CLS},{c_l_s},{ i*x -- },{},
+{Clear the data stack},
+{{DSP@@}},
+{{  1 2 3 CLS DEPTH .},{0} },
+enddoc)
+_HEADER({CLS},{CLS},{DOCOL})
+        DC      SZERO, FETCH
+        DC      SPSTO
+        DC      SEMIS
+_C
 dnl was the end of a LOADable option.
 worddocsafe( {STACKS},{RSP@@},{r_s_p_fetch},{--- addr},{},
 {Return the address forthvar({addr}) of the current return
@@ -7973,7 +7984,7 @@ _HOSTED_OSX_({
 _HEADER({REPOSITION-FILE},{PFILE},{DOCOL})
         DC      ROT, ROT
         DC      LIT, SEEK_SET, X
-        DC      LIT, _osx_lseek, XOS5
+        DC      LIT, lseek, XOS5
         DC      ZERO, MIN
         DC      SEMIS
 })_C{}_END_({_HOSTED_OSX_})
@@ -9324,7 +9335,7 @@ _C{  Get environment vector}
                 DD      LIT, SYSARGS
                 DD      SHELL, CELLP
                 DD      LIT, 3
-        DD      LIT, _osx_execve, XOSV
+        DD      LIT, execve, XOSV
         DC      LIT, 49, LERROR, BYE   _C{ Returned, this is always wrong.}
 SYSTEM1:
         DC      LDUP

constant_osx.m4

@@ -2,45 +2,47 @@ _C{ ------------------------------------------------------------      }
 _C{   Start of constants stolen from C.                                 }
 _C{ ------------------------------------------------------------      }
 
-SEEK_SET	EQU	0x0
-TCGETS	EQU	0x5401
-TCSETS	EQU	0x5402
-ECHO	EQU	0x8
-EAGAIN	EQU	0xb
-EINTR	EQU	0x4
-EPIPE	EQU	0x20
-VMIN	EQU	0x6
-VTIME	EQU	0x5
-ICANON	EQU	0x2
-O_RDWR	EQU	0x2
-O_RDONLY	EQU	0x0
-O_WRONLY	EQU	0x1
-O_CREAT	EQU	0x40
-O_NONBLOCK	EQU	0x800
-SIZE_TERMIO	EQU	0x3c
+SEEK_SET        EQU     0x0
+TCGETS  EQU     0x5401
+TCSETS  EQU     0x5402
+ECHO    EQU     0x8
+EAGAIN  EQU     0xb
+EINTR   EQU     0x4
+EPIPE   EQU     0x20
+VMIN    EQU     0x6
+VTIME   EQU     0x5
+ICANON  EQU     0x2
+O_RDWR  EQU     0x2
+O_RDONLY        EQU     0x0
+O_WRONLY        EQU     0x1
+O_CREAT EQU     0x40
+O_NONBLOCK      EQU     0x800
+SIZE_TERMIO     EQU     0x3c
 
 _C{ Numbers of system calls. See "Linux kernel Internals" Appendix A. }
 _C{ By M.Beck, H. Boehme e.a. Addison Wesley.                         }
 _C{ The system calls themselves are extensively documented in chapter }
 _C{ 2 of the man pages, e.g. "man 2 exit"}
-exit	EQU	0x1
-open	EQU	0x5
-close	EQU	0x6
-creat	EQU	0x8
-unlink	EQU	0xa
-chdir	EQU	0xc
-read	EQU	0x3
-select	EQU	0x52
-_newselect	EQU	0x8e
-write	EQU	0x4
-ioctl	EQU	0x36
-ioperm	EQU	0x65
-iopl	EQU	0x6e
-lseek	EQU	0x13
-execve	EQU	0xb
-fork	EQU	0x2
-waitpid	EQU	0x7
-pipe	EQU	0x2a
+exit    EQU     0x1
+open    EQU     0x5
+close   EQU     0x6
+creat   EQU     0x8
+unlink  EQU     0xa
+chdir   EQU     0xc
+read    EQU     0x3
+select  EQU     0x52
+_newselect      EQU     0x8e
+write   EQU     0x4
+ioctl   EQU     0x36
+ioperm  EQU     0x65
+iopl    EQU     0x6e
+lseek   EQU     0xc7
+_C{_osx_lseek   EQU   0xc7}
+execve  EQU     0x3B
+_C{_osx_execve  EQU     59}
+fork    EQU     0x2
+waitpid EQU     0x7
+pipe    EQU     0x2a
 _C{ ------------------------------------------------------------      }
 _C{   End of constants stolen from C.                                 }
 _C{ ------------------------------------------------------------      }