Add original unix v6

source/fort/fx/fxx.s

@@ -0,0 +1,100 @@
+/
+/
+
+/ fxx -- data segment definition
+
+.data
+.globl	holround
+holround:	4
+
+.bss
+
+/ pass 1
+
+.globl	dimu
+dimu:	.=.+2
+
+/ pass 2
+
+.globl	eqvtab
+
+/ pass 3 stuff
+
+.globl	conu
+.globl	dou
+.globl	blockp
+.globl	dotabp
+.globl	dotab
+.globl	edotab
+.globl	functn
+.globl	blocks
+
+conu:	.=.+2
+dou:	.=.+2
+blockp:	.=.+2
+dotabp:	.=.+2
+dotab:	.=.+60.
+edotab:
+functn:	.=.+2
+
+/ pass 4
+
+.globl	negflg
+.globl	repfact
+.globl	contab
+.globl	dattab
+
+negflg:	.=.+2
+repfact:.=.+2
+
+/ general buffer
+
+xbufsiz	= 2200.
+
+.globl	xbuf
+
+xbuf:	.=.+xbufsiz
+
+eqvtab	= xbuf+518.	/ for pass 2
+
+blocks	= xbuf		/ for pass 3
+
+dattab	= xbuf+518.	/ for pass 4
+contab	= xbuf+xbufsiz
+
+/ for all passes
+
+data:
+	ibuf:	.=.+518.
+	obuf:	.=.+518.
+	tbuf:	.=.+518.
+	line:	.=.+linsize
+	eline:	.=.+4
+	ifno:	.=.+2
+	efno:	.=.+2
+	errp:	.=.+2	/ init(errb)
+	errb:	.=.+12.
+	eerrb:		/ size 0 mod 4
+	symtab:	.=.+symsize
+	esymtab:
+	esymp:	.=.+2	/ init(esymtab)
+	symtp:	.=.+2
+	namebuf:.=.+namsize
+	enamebuf:
+	namep:	.=.+2	/ init(namebuf)
+.=.+40	/fake
+	.=.+1		/ make odd
+	symbuf:	.=.+smblsize	/ init(<_>)
+	esymbuf:
+	ch:	.=.+1
+	ch1:	.=.+1
+	progt:	.=.+2
+	holquo:	.=.+2
+	nxtaloc:.=.+2
+	imptab:	.=.+[26.*2*2]	/ 26 letters, 2 alphabets, 2 bytes
+	nerror:	.=.+2
+	temp:	.=.+2
+	functm:	.=.+2
+edata:
+dsize	=.-data
+