Added CROSS.

Resolves #141.

README.md

@@ -115,6 +115,7 @@ A list of [known ITS machines](doc/machines.md).
    - COMSAT, Mail server.
    - CREATE, creates a text file in your home directory from console input.
    - CROCK, analog watch.
+   - CROSS, cross assembler for micros.
    - DCROCK, digital watch.
    - DDTDOC, interactive DDT documentation.
    - DECUUO, TOPS-10 and WAITS emulator.

build/build.tcl

@@ -764,6 +764,10 @@ expect ":KILL"
 respond "*" ":midas sys1;ts meter_syseng;meter\r"
 expect ":KILL"
 
+# cross
+respond "*" ":midas sys1;ts cross_syseng;cross\r"
+expect ":KILL"
+
 # dired
 respond "*" ":midas sys;ts dired_sysen2;dired\r"
 expect ":KILL"

src/syseng/cross.38

@@ -0,0 +1,662 @@
+TITLE	CROSS
+
+F==0
+A=1
+B=2
+C=3
+D=4
+E=5
+LC=6
+PG=7
+R=7
+N=10
+LL=10
+PL=11
+CN=12
+TP=13
+L=14
+L2=15
+PD=16
+P=17
+
+TYI==1
+TYO==2
+I==3
+O==4
+ERRC==5
+
+BUFL==400
+SYML==4400
+
+JCRY=JFCL 6,
+JRSTF=JRST 2,
+LOC 40
+	0
+	JRST CSYM
+LOC 100
+
+MAIN:	JFCL	17,.+1
+	MOVSI	A,400000
+	MOVNI	B,6
+LOOP:	ILDB	C,P
+	XCT	DTAB(C)
+	JUMPE	B,LOOP
+	MOVEI	B,1(B)
+	JRST	LOOP
+
+CSYM:	SETZB	C,F
+	MOVEI	L,JNEW
+	JCRY	SYM
+	JRST	@40
+SYM:	TLZ	A,740000
+	MOVE	B,A
+	TSC	B,B
+	MOVMS	D,B
+	IDIVI	B,SYML
+	HRLI	C,-SYML(C)
+SYMLUP:	SKIPN	B,ST(C)
+	JRST	(L)
+	CAMN	B,A
+	JRST	1(L)
+SL:	AOBJN	C,SYMLUP
+	TLOE	F,1
+	.VALUE
+	MOVN	B,D
+	IDIVI	B,SYML
+	HRLZI	C,-1(C)
+	JRST	SL
+
+NEW:	MOVEM	A,ST(C)
+	AOBJP	LC,CORE
+C1:	HRRZM	LC,ST2(C)
+	HRLZM	PG,(LC)
+	JRST	@40
+JNEW:	JRST	NEW
+OLD:	HLRZ	D,ST2(C)
+	XCT	TTAB(D)	;NORMAL CASE DOES	HRRZ	D,ST2(C)
+	HLRZ	B,(D)
+	CAIN	PG,(B)
+	JRST	@40
+	AOBJP	LC,CORE
+C2:	HRRZM	D,(LC)
+	HRLM	PG,(LC)
+	HRRM	LC,ST2(C)
+	MOVEI	D,(LC)
+	JRST	@40
+
+TTAB:	HRRZ	D,ST2(C)
+	JRST	@40
+	JRST	TXT
+	JRST	IGCR
+
+CORE:	MOVEI	A,2000(LC)
+	LSH	A,-10.
+	.CORE	(A)
+	.VALUE
+	ADD	LC,[-2000,,]
+	JUMPE	B,C1	;?????
+	JRST	C2
+
+TXT:	LDB	C,P
+	CAIE	C,40	;SPACE
+	JRST	.+4
+	ILDB	C,P
+	CAIN	C,3
+	JSP	L,CC1
+	SKIPA	B,C
+IGCR:	MOVEI	B,15
+	ILDB	C,P
+	CAIN	C,^L
+	 JRST	FF
+	CAIN	C,3
+	JSP	L,CC1
+	CAME	C,B	;CR
+	JRST	IGCR+1
+	JRST	MAIN
+
+CC1:	SOS	L
+CC:	MOVEI	P,(P)
+	CAIE	P,BUFE
+	JRST	SORT
+	MOVE	E,[-BUFL,,BUF]
+	.IOT	I,E
+	MOVE	P,[350700,,BUF]
+	LDB	C,P
+	JRSTF	-1(L)
+;READ IN A COMMAND, PROCESSING RUBOUTS, PROMPTING WITH "*".
+TTILIN:	.IOT	TYO,[^M]
+
+;COME HERE AFTER NULL LINE.
+TTILI2:	.IOT	TYO,["*]
+	SETZM	TTICNT		;NO CHARS READ YET.
+	MOVE	B,[440700,,TTIBUF]
+	MOVEM	B,TTIPNT
+TTILUP:	.IOT	TYI,B		;READ A CHAR.
+	CAIN	B,^M
+	JRST	TTICR		;^M MEANS ALL READ.
+	CAIN	B,177
+	JRST	TTIRUB
+	CAIN	B,^U
+	JRST	TTILIN		;^U - CANCEL COMMAND.
+	IDPB	B,TTIPNT	;NORMAL CHAR.
+	AOS	TTICNT
+	JRST	TTILUP
+
+TTICR:	SKIPN	TTICNT		;IF READING CMD, ON NULL LINE, RETRY.
+	JRST	TTILI2
+	IDPB	B,TTIPNT
+	MOVE	B,[440700,,TTIBUF]
+	MOVEM	B,TTIPNT	;SET UP FOR REMOVAL OF CHARS.
+	JRST	CLUP3		;RETURN.
+
+TTIRUB:	SOSGE	TTICNT		;IF NO CHAR TO RUB, RETRY.
+	JRST	TTILIN
+	LDB	B,TTIPNT
+	.IOT	TYO,B		;PRINT RUBBED CHAR.
+	MOVSI	B,070000
+	ADD	B,TTIPNT
+	JUMPGE	B,TTIRU1	;IF STILL IN SAME WD.
+	MOVEI	B,-1(B)		;ELSE, MOVE TO END OF PREV. WD.
+	HRLI	B,010700
+TTIRU1:	MOVEM	B,TTIPNT
+	JRST	TTILUP
+
+TTICNT:	0		;NUM CHARS READ.
+TTIPNT:	0		;PTR INTO BUFFER.
+TTIBUF:	BLOCK	40
+BEG:	.OPEN	TYI,[0,,(SIXBIT /TTY/)]
+	.VALUE
+	.OPEN	TYO,[1,,(SIXBIT /TTY/)]
+	.VALUE
+IN:	.CORE	<FS+LEN>/2000
+	.VALUE
+	.SUSET	[.RSNAM,,N]
+	MOVEM	N,OUTFIL+3
+	MOVSI	A,(SIXBIT /TPL/)
+	MOVEM	A,OUTFIL
+	.BREAK	12,[5,,TTIBUF]	;TRY GETTING :JCL COMMAND.
+	SKIPN	TTIBUF
+	JRST	TTILIN		;IF NONE, READ LINE FROM TTY.
+	.BREAK	12,[SETZ [0](5)];FLUSH :JCL COMMAND
+CLUP3:	MOVE	A,[440700,,TTIBUF]
+	MOVEM	A,TTIPNT	;SET UP FOR READING COMMAND.
+CLUP2:	MOVEM	N,INFIL+3
+	MOVSI	A,(SIXBIT /DSK/)
+	MOVEM	A,INFIL
+	MOVSI	A,(SIXBIT />/)
+	MOVEM	A,INFIL+2
+	MOVNI	C,2
+CLUP:	MOVEI	A,0
+	MOVE	P,[440600,,A]
+CLUP1:	ILDB	B,TTIPNT
+	CAIN	B,40
+	JRST	CMSP
+	CAIN	B,":
+	JRST	CMCOL
+	CAIN	B,";
+	JRST	CMSEM
+	CAIN	B,"_
+	JRST	CBAK
+	CAIN	B,15
+	JRST	CMCR
+	CAIN	B,^Q
+	ILDB	B,TTIPNT
+	SUBI	B,40
+	TLNE	P,770000
+	IDPB	B,P
+	JRST	CLUP1
+CMCR:	TDZA	B,B
+CBAK:	SETO	B,
+CMSP:	JUMPE	A,CMSP2
+	MOVEM	A,INFIL+3(C)
+	AOJL	C,CMSP2
+	MOVNI	C,3
+CMSP2:	JUMPG	B,CLUP
+	JUMPE	B,OPEN
+	MOVE	A,[INFIL,,OUTFIL]
+	BLT	A,OUTFIL+3
+	JRST	CLUP2
+
+CMCOL:	MOVEM	A,INFIL
+	JRST	CLUP
+CMSEM:	MOVEM	A,INFIL+3
+	JRST	CLUP
+
+ERR:	.SUSET	[.SSNAM,,N]
+	.LOGOUT
+	.OPEN	ERRC,ERRFIL
+	.VALUE
+ERR0:	.IOT	ERRC,B		;COPY ERR DEV TO TTY.
+	CAIN	B,^L
+	JRST	ERR1
+	.IOT	TYO,B
+	JRST	ERR0
+ERR1:	.RESET	TYI,
+	JRST	IN
+
+ERRFIL:	SIXBIT/   ERR/
+	1?0
+
+OPEN:	MOVEI	A,2
+	HLL	A,INFIL
+	MOVSM	A,INFIL
+	CAME	N,INFIL+3
+	.SUSET	[.SSNAM,,INFIL+3]
+	.OPEN	I,INFIL
+	JRST	ERR
+	MOVEI	A,3
+	HLL	A,OUTFIL
+	MOVSM	A,OUTFIL
+	MOVE	A,OUTFIL+3
+	CAME	A,INFIL+3
+	.SUSET	[.SSNAM,,OUTFIL+3]
+	.OPEN	O,OUTFIL
+	JRST	ERR
+	CAME	A,N
+	.SUSET	[.SSNAM,,N]	MOVSI	A,-SYML
+	SETZM	ST(A)
+	SETZM	ST2(A)
+	AOBJN	A,.-2
+	MOVEI	E,ISYMT+1
+ISL:	MOVE	A,-1(E)
+	JSP	L,SYM
+	SKIPA	B,-1(E)
+	.VALUE
+	LSH	B,-16
+	ADD	B,[1,,]
+	MOVEM	A,ST(C)
+	HLLZM	B,ST2(C)
+TEST:	CAIE	E,TSS
+	AOJA	E,ISL
+
+	MOVEI	PG,1
+	MOVE	LC,[-LEN-1,,FS-1]
+	MOVE	E,[-BUFL,,BUF]
+	.IOT	I,E
+	MOVE	P,[440700,,BUF]
+	JRST	MAIN
+
+FF:	AOS	PG
+	U	MAIN
+SORT:	MOVEI	B,SYML/2
+SORT1:	MOVE	C,[ST(B)]
+SORT3:	MOVE	A,(C)
+	MOVEI	D,@C
+	CAMG	A,(D)
+	AOJA	C,SORT2
+	EXCH	A,(D)
+	MOVEM	A,(C)
+	MOVE	A,ST2-ST(C)
+	EXCH	A,ST2-ST(D)
+	MOVEM	A,ST2-ST(C)
+	TLO	C,400000
+	AOS	C
+SORT2:	CAIE	D,ST+SYML-1
+	JRST	SORT3
+	TLZE	C,400000
+	JRST	SORT1
+	CAIN	B,1
+	JRST	PH3
+	AOS	B
+	LSH	B,-1
+	JRST	SORT1
+PH3:	MOVEI	PD,PDL-1
+	MOVSI	A,-SYML
+	MOVEI	LL,60.
+	MOVEI	CN,BUFL*5
+	MOVE	P,[440700,,BUF]
+PLOOP:	SKIPE	B,ST2(A)
+	TRNN	B,777777
+	JRST	PEND
+	MOVE	TP,LL
+	IMULI	TP,11
+	HRRZ	C,(B)
+	HLLZS	(B)
+	JUMPE	C,REND
+RLOOP:	HRRZ	D,(C)
+	SOS	TP
+	HRRM	B,(C)
+	MOVE	B,C
+	MOVE	C,D
+	JUMPN	C,RLOOP
+REND:	CAIG	LL,10.
+	SOJL	TP,PAGE
+	MOVEI	R,50
+	MOVE	C,ST(A)
+	PUSHJ	PD,UNDO
+	JRST	.+5
+	JUMPE	D,CPOPJ
+	MOVE	D,RTAB(D)
+	JSP	L,OUT
+CPOPJ:	POPJ	PD,
+	MOVEI	R,10.
+	MOVEI	PL,11.
+PENT:	SOJGE	PL,.+3
+	JSP	L2,CR
+	MOVEI	PL,10.
+MENT:	MOVEI	D,11
+	JSP	L,OUT
+	HLRZ	C,(B)
+	PUSHJ	PD,UNDO
+	JRST	.+4
+	ADDI	D,60
+	JSP	L,OUT
+	POPJ	PD,
+	HRRZ	B,(B)
+	JUMPN	B,PENT
+	JSP	L2,CR
+PEND:	AOBJN	A,PLOOP
+	MOVEI	D,3
+	JSP	L,OUT
+	JRST	.-1
+DONE:	.CLOSE	O,	;DONE!!!
+	.CLOSE	I,
+	.LOGOUT
+	.BREAK	16,140000
+UNDO:	MOVE	D,(PD)
+	AOS	D
+	HRRM	D,UNDI
+UND1:	IDIVI	C,(R)
+	HRLM	D,(PD)
+	JUMPE	C,UNDI
+	PUSHJ	PD,UND1
+	HLRZ	D,(PD)
+UNDI:	JRST	.
+
+PAGE:	MOVEI	D,14
+	JSP	L,OUT
+	MOVEI	LL,60.
+	JRST	REND+2
+
+CR:	MOVEI	D,15
+	JSP	L,OUT
+	MOVEI	D,12
+	JSP	L,OUT
+	SOSG	LL
+	MOVEI	LL,60.
+	JRST	(L2)
+
+OUT:	SOJL	CN,OUT1
+	IDPB	D,P
+	JRST	(L)
+OUT1:	MOVE	E,[-BUFL,,BUF]
+	.IOT	O,E
+	CAIN	D,3
+	JRST	DONE
+	MOVE	P,[440700,,BUF]
+	MOVEI	CN,BUFL*5
+	JRST	OUT
+U=1000,,
+DTAB:	REPEAT 3,U MAIN
+	JSP	L,CC
+	REPEAT 10,U MAIN
+	JRST	FF
+	REPEAT 27,U MAIN
+	ADD	A,SQ.$(B)
+	ADD	A,SQ.%(B)
+	REPEAT 10,U MAIN
+	ADD	A,SQ..(B)
+	U	MAIN
+	IRPC Z,,0123456789
+	ADD	A,SQ.!Z(B)
+	TERMIN
+	U	MAIN
+	U	IGCR
+	REPEAT 5,U MAIN
+	IRPC Z,,ABCDEFGHIJKLMNOPQRSTUVWXYZ
+	ADD	A,SQ.!Z(B)
+	TERMIN
+	REPEAT 45,U MAIN
+IFN .-200-DTAB,PRINTX /LOSE LOSE/
+
+DEFINE	SQT	A,B
+	SQUOZE 0,B+A_40
+	SQUOZE 0,B/50+A_40
+	SQUOZE 0,B/50/50+A_40
+	SQUOZE 0,B/50/50/50+A_40
+	SQUOZE 0,B/50/50/50/50+A_40
+	SQUOZE 0,B/50/50/50/50/50+A_40
+SQ.!B:	A_40
+TERMIN
+
+IRPC Z,,ABCDEFGHIJKLMNOPQRSTUVWXYZ$%
+	SQT	10,Z
+TERMIN
+	SQT	4,.
+IRPC Z,,0123456789
+	SQT	0,Z
+TERMIN
+
+RTAB:	0
+	IRPC Z,,0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ.$%
+	"Z
+TERMIN
+CONSTANTS
+VARIABLES
+
+INFIL:	BLOCK 4
+OUTFIL:	BLOCK 4
+
+PDL:	BLOCK 10
+
+DEFINE	S	A
+	SQUOZE	0,A
+TERMIN
+DEFINE	T	A
+	SQUOZE	4,A
+TERMIN
+DEFINE	II	A
+	SQUOZE	10,A
+TERMIN
+DEFINE	MS	FOO/
+DEFINE	M	X
+IRP	Z,,[,FOO]
+	S	X!!Z
+TERMIN
+TERMIN
+TERMIN
+
+ISYMT:	S UFA
+	S DFN
+	S FSC
+	S IBP
+	S ILDB
+	S LDB
+	S IDPB
+	S DPB
+MS	L,M,B,R,RL,RM,RB
+	M FAD
+	M FSB
+	M FMP
+	M FDV
+MS	I,M,S
+	M MOVE
+	M MOVS
+	M MOVN
+	M MOVM
+MS	I,M,B
+	M IMUL
+	M MUL
+	M IDIV
+	M DIV
+	S ASH
+	S ROT
+	S LSH
+	S JFFO
+	S ASHC
+	S ROTC
+	S LSHC
+	S EXCH
+	S BLT
+	S AOBJP
+	S AOBJN
+	S JRST
+	S JFCL
+	S XCT
+	S PUSHJ
+	S PUSH
+	S POP
+	S POPJ
+	S JSR
+	S JSP
+	S JSA
+	M ADD
+	M SUB
+MS	L,E,LE,A,GE,N,G
+	M CAI
+	M CAM
+	M JUMP
+	M SKIP
+	M AOJ
+	M AOS
+	M SOJ
+	M SOS
+MS	I,M,B
+	M SETZ
+	M AND
+	M ANDCA
+	M SETM
+	M ANDCM
+	M SETA
+	M XOR
+	M IOR
+	M ANDCB
+	M EQV
+	M SETCA
+	M ORCA
+	M SETCM
+	M ORCM
+	M ORCB
+	M SETO
+MS	I,M,S,Z,ZI,ZM,ZS,O,OI,OM,OS,E,EI,EM,ES
+	M HLL
+	M HRL
+	M HLR
+	M HRR
+MS	N,NE,NA,NN,Z,ZE,ZA,ZN,C,CE,CA,CN,O,OE,OA,ON
+	M TR
+	M TL
+	M TD
+	M TS
+	S BLKI
+	S DATAI
+	S BLKO
+	S DATAO
+	S CONO
+	S CONI
+	S CONSZ
+	S CONSO
+	S APR
+	S PI
+	S PTP
+	S PTR
+	S TTY
+	S LPT
+	S DIS
+	S DC
+	S UTC
+	S UTS
+	S IBM
+MS	I,M,B
+	M CLEAR
+	S END
+	S LOC
+	S XWORD
+	S RIM1
+	S RIM10
+	S SBLK
+	S RIM
+	II TITLE
+	S SQUOZE
+	S EXP
+	S XWD
+	S .BEGIN
+	S REPEAT
+	S .END
+	S OCT
+	S CONSTA
+	T SIXBIT
+	T ASCII
+	S RADIX
+	S BLOCK
+	S NOSYMS
+	S EXPUNGE
+	S NULL
+	S EQUALS
+	S DEFINE	;UGH
+	II IRP	;UGH
+	II IRPC	;UGH
+	II IRPS	;UGH
+	S TERMIN
+	S .QUOTE
+	S WORD
+	S RELOCA
+	S 1PASS
+	S OFFSET
+	S IFG
+	S IFGE
+	S IFE
+	S IFLE
+	S IFN
+	S IFSE	;UGH
+	S IFSN	;UGH
+	S IF1
+	S IF2
+	S IFL
+	T PRINTX
+	T PRINTC
+	S VARIAB
+	S .LIBRA
+	T .LENGTH
+	S .LIFS
+	S .ELDC
+	S .LIFE
+	S .LIFN
+	S .LIFG
+	S .LIFLE
+	S .LIFGE
+	S .LIFL
+	S .SLDR
+	S .OP
+	S .FORMAT
+	S .STOP
+	S .ISTOP
+	S .RPCNT
+	S .LOP
+	S $.
+	S $R.
+	S .LVAL1
+	S .LVAL2
+	S .LNKOT
+	S .NSTGW
+	S .YSTGW
+	S .GSSET
+	S .TYPE
+	S .LIBRQ
+	S .GLOBAL
+	S .GO
+	S .TAG
+	T .ASCII
+	T ASCIZ
+	S .BYTC
+	S .BYTE
+	S .WALGN
+	S .IRPCNT
+	S .FNAM1
+	S .FNAM2
+	II .INSRT
+	II .I
+	II .F
+TSS:
+
+BUF:	BLOCK BUFL
+BUFE:	3_35
+
+ST:	BLOCK SYML
+ST2:	BLOCK SYML
+
+FS:
+LOC .\1777+4000
+LEN==.-FS+1
+END BEG
+