specs.mcr062

TITLE SPECS FOR MUDDLE

RELOCA

MAIN==1
.GLOBAL TYPVLC,PBASE,TYPBOT,MAINPR,PTIME,IDPROC,ROOT,TTICHN,TTOCHN,TYPVEC
.GLOBAL %UNAM,%JNAM,NOTTY,GCHAPN,INTHLD,PURBOT,PURTOP,N.CHNS,SPCCHK,CURFCN
.GLOBAL TD.GET,TD.PUT,TD.LNT,NOSHUF


.INSRT MUDDLE >

SYSQ

CONSTANTS

IFN ITS,[
	N.CHNS==16.
	FATINS==.VALUE
]
IFE ITS,[
	N.CHNS==102
]

IMPURE

CRADIX:		10.
%UNAM:		0		; HOLDS UNAME
%JNAM:		0		; HOLDS JNAME
IDPROC:		0		; ENVIRONMENT NUMBER GENERATOR
PTIME:		0		; UNIQUE NUMBER FOR PROCID AND ENVIRONMENTS
OBLNT":		13.		; LENGTH OF DEFAULT OBLISTS (SMALL)
VECTOP":	VECLOC		; TOP OF CURRENT GARBAGE COLLECTED SPACE
VECBOT":	VECBASE		; BOTTOM OF GARBAGE COLLECTED SPACE
CODBOT:		0		; ABSOLUTE BOTTOM OF CODE
CODTOP":	PARBASE		; TOP OF IMPURE CODE (INCLUDING "STORAGE")
HITOP:		0		; TOP OF INTERPRETER PURE CORE
PARNEW":	0
PARBOT":	PARBASE
PARTOP":	PARLOC
VECNEW":	0		; LOCATION FOR OFFSET BETWWEN OLD GCSTOP AND NEW GCSTOP
INTFLG:		0		; INTERRUPT PENDING FLAG
MAINPR:		0		; HOLDS POINTER TO THE MAIN PROCESS
NOTTY:		0		; NON-ZERO==> THIS MUDDLE HAS NO TTY
GCHAPN:		0		; NON-ZERO A GC HAS HAPPENED RECENTLY
INTHLD:		0		; NON-ZERO INTERRUPTS CANT HAPPEN
PURBOT:		HIBOT		; BOTTOM OF DYNAMICALLY ALLOCATED PURE
PURTOP:		HIBOT		; TOP OF DYNAMICALLY ALLOCATED PURE
SPCCHK:		SETZ		; SPECIAL/UNSPECIAL CHECKING?
NOSHUF:		0		; FLAG TO BUILD A NON MOVING HI SEG

;PAGE MAP USAGE TABLE FOR MUDDLE
;EACH PAGE IS REPRESENTED BY ONE BIT IN THE TABLE
;IF BIT = 0 THEN PAGE IS FREE OTHERWISE BUSY
;FOR PAGE n USE BIT (n MOD 32.) IN WORD PMAP+n/32.
PMAP":	-1	;SECTION 0 -- BELONGS TO AGC
	-1	;SECTION 1 -- BELONGS TO AGC
	-1	;SECTION 2 -- BELONGS TO AGC
	-1	;SECTION 3 -- BELONGS TO AGC
	-1	;SECTION 4 -- BELONGS TO AGC
	-1	;SECTION 5 -- BELONGS TO AGC (DEPENDS ON HIBOT)
	-1	;SECTION 6 -- START OF PURE CORE (FILLED IN BY INITM)
	-1	;SECTION 7 -- LAST TWO PAGES BELONG TO AGC'S PAGE MAPPER


NINT==72.	; NUMBER OF POSSIBLE ITS INTERRUPTS
NASOCS==159.	; LENGTH OF ASSOCIATION VECTOR
PDLBUF==100	; EXTRA INSURENCE PDL
ASOLNT==10	; LENGTH OF ASSOCIATION BLOCKS


.GLOBAL PATCH,TBINIT,LERR,LPROG,PIDSTO,PROCID,PTIME,GCPDL,INTFLG,WTYP1,WTYP2
.GLOBAL PAT,PDLBUF,INTINT,PARNEW,GCPVP,START,SWAP,ICR,SPBASE,TPBASE,GLOBAS,GLOBSP,TPBAS
.GLOBAL TOPLEVEL,INTNUM,INTVEC,INTOBL,ASOVEC,ERROBL,MAINPR,RESFUN,.BLOCK,ASOLNT,NODES
.GLOBAL WRONGT,TTYOPE,OPEN,CLOSE,IOT,ILVAL,MESS,FACTI,REFVEC,MUDOBL,INITIA
.GLOBAL LSTRES,BINDID,DUMNOD,PSTAT,1STEPR,IDPROC,EVATYP,APLTYP,PRNTYP,PURVEC,STOLST


VECTGO
TVBASE":	BLOCK	TVLNT
	GENERAL
	TVLNT+2,,0
TVLOC==TVBASE



;INITIAL TYPE TABLE

TYPVLC":
	BLOCK	2*NUMPRI+2
	GENERAL
	2*NUMPRI+2+2,,0

TYPTP==.-2			; POINT TO TOP OF TYPES

; INITIAL SYMBOL TABEL FOR RSUBRS

SQULOC==.
SQUTBL:	BLOCK	2*NSUBRS
	TWORD,,0
	2*NSUBRS+2,,0

INTVCL:	BLOCK	2*NINT
	TLIST,,0
	2*NINT+2,,0

NODLST:	TTP,,0
	0
	TASOC,,0
	BLOCK	ASOLNT-3
	GENERAL+<SASOC,,0>
	ASOLNT+2,,0

NODDUM:	BLOCK	ASOLNT
	GENERAL+<SASOC,,0>
	ASOLNT+2,,0



ASOVCL:	BLOCK	NASOCS
	TASOC,,0
	NASOCS+2,,0



;THESE ENTRIES MUST NOT MOVE DURING INITILAIZATION

ADDTV TVEC,[-2*NUMPRI-2,,TYPVLC]
TYPVEC==TVOFF-1

ADDTV TVEC,[-2*NUMPRI-2,,TYPVLC]
TYPBOT==TVOFF-1			; POINT TO CURRENT TOP OF TYPE VECTORS

;ENTRY FOR ROOT,TTICHN,TTOCHN

ADDTV TCHAN,0
TTICHN==TVOFF-1

ADDTV TCHAN,0
TTOCHN==TVOFF-1

ADDTV TOBLS,0
ROOT==TVOFF-1
ADDTV TOBLS,0
INITIA==TVOFF-1
ADDTV TOBLS,0
INTOBL==TVOFF-1
ADDTV TOBLS,0
ERROBL==TVOFF-1
ADDTV TOBLS,0
MUDOBL==TVOFF-1
ADDTV TVEC,0
GRAPHS==TVOFF-1
ADDTV TFIX,0
INTNUM==TVOFF-1
ADDTV TVEC,[-2*NINT,,INTVCL]
INTVEC==TVOFF-1
ADDTV TUVEC,[-NASOCS,,ASOVCL]
ASOVEC==TVOFF-1

ADDTV TLIST,0
CHNL0"==TVOFF-1		;LIST FOR CURRENTLY OPEN PSUEDO CHANNELS

IFN ITS,[
DEFINE ADDCHN N
	ADDTV TCHAN,0
	CHNL!N==TVOFF-1
	.GLOBAL CHNL!N
	TERMIN

REPEAT 15.,ADDCHN \.RPCNT+1
	
DEFINE ADDIPC N
	ADDTV TLIST,0
	IPCS!N==TVOFF-1
	.GLOBAL	IPCS!N
	TERMIN

REPEAT 15.,ADDIPC \.RPCNT+1
]

IFE ITS,[
ADDTV TCHAN,0
CHNL1==TVOFF-1
.GLOBAL CHNL1
REPEAT N.CHNS-1,[ADDTV TCHAN,0
]
]

ADDTV TASOC,[-ASOLNT,,NODLST]
NODES==TVOFF-1

ADDTV TASOC,[-ASOLNT,,NODDUM]
DUMNOD==TVOFF-1

ADDTV TVEC,0
EVATYP==TVOFF-1

ADDTV TVEC,0
APLTYP==TVOFF-1

ADDTV TVEC,0
PRNTYP==TVOFF-1

; SLOTS ASSOCIATED WITH TEMPLATE DATA STRUCTURES

ADDTV TUVEC,0
TD.GET==TVOFF-1

ADDTV TUVEC,0
TD.PUT==TVOFF-1

ADDTV TUVEC,0
TD.LNT==TVOFF-1

ADDTV TUVEC,0
TD.PTY==TVOFF-1



;GLOBAL SPECIAL PDL

GSP:	BLOCK	GSPLNT
	GENERAL
	GSPLNT+2,,0

ADDTV TVEC,[-GSPLNT,,GSP]
GLOBASE==TVOFF-1
GLOB==.-2
ADDTV TVEC,GLOB
GLOBSP==TVOFF-1	;ENTRY FOR CURRENT POINTER TO GLOBAL SP

; POINTER VECTOR TO PURE SHARED RSUBRS

PURV:	BLOCK	3*20.		; ENOUGH FOR 20 SUCH (INITIALLY)
	0
	3*20.+2,,0

ADDTV TUVEC,[-3*20.,,PURV]
PURVEC==TVOFF-1

ADDTV TLIST,0
STOLST==TVOFF-1

;PROCESS VECTOR FOR GARBAGE COLLECTOR PROCESS

GCPVP:	BLOCK	PVLNT*2
	GENERAL
	PVLNT*2+2,,0


VECRET

PURE

;INITIAL PROCESS VECTOR

PVBASE":	BLOCK	PVLNT*2
	GENERAL
	PVLNT*2+2,,0
PVLOC==PVBASE


;ENTRY FOR PROCESS I.D.

	ADDPV	TFIX,1,PROCID
;THE FOLLOWING IRP MAKES SPACE FO9 SAVED ACS

ZZZ==.

IRP A,,[0,A,B,C,D,E,PVP,TVP,AB,TB,TP,SP,M,R,P]B,,[0
0,0,0,0,0,TPVP,TTVP,TAB,TTB,TTP,TSP,TCODE,TRSUBR,TPDL]

LOC PVLOC+2*A
A!STO==.-PVBASE
B,,0
0
TERMIN

PVLOC==PVLOC+16.*2
LOC ZZZ


ADDPV TTB,0,TBINIT
ADDPV TTP,0,TPBASE
ADDPV TSP,0,SPBASE
ADDPV TPDL,0,PBASE
ADDPV 0,0,RESFUN
ADDPV TLIST,0,.BLOCK
ADDPV TLIST,0,MESS
ADDPV TACT,0,FACTI
ADDPV TPVP,0,LSTRES
ADDPV TFIX,0,BINDID
ADDPV TFIX,1,PSTAT
ADDPV TPVP,0,1STEPR
ADDPV TSP,0,CURFCN


IMPURE

END