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TITLE	SEDD52 - DATAMEDIA 1520/1521 TERMINAL DEFINITIONS FOR THE EDITOR
SUBTTL	A CHRISTOPHER HALL FECIT

;THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY ONLY BE USED
;  OR COPIED IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE.
;
;COPYRIGHT (C) 1981 BY DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.

;LOAD THE EDITOR BY: .COMP SED,SEDD52
;		     .LOAD/RE SEDD52,SED
;		     .SS SED

	SEARCH	SEDSYM
IFE TOPS10,<SEARCH MONSYM>

	EXTERN	CPOPJ,PUTTYP,PUTSTG,PUTSQ1,PUTNUM,TRMNAM,TYPBUF
	EXTERN	CHOME,CDOWN,CRIGHT
	INTERN	TERMNL

FTFAST==0	;SET THIS IF TERMINAL SENDS OUT XON-XOFF'S

TERMNL:	OTABLE	;ADDRESS OF THE TERMINAL TABLE TO USE

;TERMINAL OUTPUT TABLE - SEQUENCES TO MAKE THE TERMINAL DO SPECIAL THINGS
;FILL IN WITH THE CODES FOR YOUR TERMINAL

OTABLE:	BYTE (7) 37		;CURSOR UP
	BYTE (7) 12		; DOWN
	BYTE (7) 34		; RIGHT
	BYTE (7) 10		; LEFT
	BYTE (7) "Y"-100	; HOME
	BYTE (7) 13		;CLEAR TO END OF PAGE
	BYTE (7) 35		;CLEAR TO END OF LINE
	BYTE (7) 12		;ROLL UP AND CLEAR LINE
	BYTE (7) 0		;ROLL DOWN AND CLEAR LINE
	BYTE (7) 0		;PROTECT ON (CPOPJ IF NONE)
	BYTE (7) 0		;PROTECT OFF (CPOPJ IF NONE)
	BYTE (7) 0		;INSERT LINE (0 IF NONE)
	BYTE (7) 0		;INSERT SPACE (0 IF NONE)
	BYTE (7) 0		;DELETE LINE (0 IF NONE)
	BYTE (7) 0		;DELETE SPACE (0 IF NONE)
	BYTE (7) 36," ","7"	;MOVE TO BOTTOM
	BYTE (7) 14		;HOME AND CLEAR ENTIRE PAGE
	POSCHR			;ROUTINE TO POSITION TO CHARACTER
	POSLIN			;ROUTINE TO POSITION TO START OF LINE
	^D24			;LINES PER PAGE
	^D80			;CHARACTERS PER LINE
IFE FTFAST,<
	LSD!WRP!MRK		;TERMINAL-DEPENDENT FLAGS
>
IFN FTFAST,<
	LSD!WRP!MRK!NPG		;TERMINAL-DEPENDENT FLAGS (KEEP TTY PAGE)
>
	CPOPJ			;ROUTINE TO CALL ON ENTRY
	CPOPJ			;ROUTINE TO CALL ON EXIT
	0,,0			;NUMBER OF NULLS TO OUTPUT,,NULL CHARACTER
	ITABLE			;ADDRESS OF INPUT CHARACTER TABLE
	"~"			;MARK TO DISPLAY ON ENTER (OMIT IF MRK NOT SET)

;TERMINAL INPUT TABLE - TELLS WHAT CONTROL CHARACTERS OR SEQUENCES
;INVOKE WHICH COMMANDS

IFE FTFAST,<
		0			;CODE FOR RUBOUT (0==RESET)
ITABLE:	EXP	40, 1, 2, 3, 4, 5, 6, 7 ;NOTHING SPECIAL
	EXP	10,11,12,13,14,15,16,17
	EXP	20,21,22,23,24,25,26,27
	EXP	30,31,32
	-SIZ.IS,,ISUBTB			;ESCAPE NEEDS A SUBTABLE
	EXP		 35,33,37,36	;ENTER==CONTROL-]
>
IFN FTFAST,<
;THIS TABLE SETS UP THE KEYBOARD ARRANGEMENT FOR WHEN YOU NEED TO KEEP
;TTY PAGE IN EFFECT BECAUSE THE TERMINAL SENDS OUT ITS OWN CONTROL S AND Q'S
;THOSE TWO CHARACTERS CANNOT BE COMMANDS SINCE SED DOES NOT KNOW WHETHER THE
;USER HAS TYPED THEM OR THEY WERE SENT BY THE TERMINAL.

;SO Q GOES TO A, A AND S GO TO K AND L, K TO ESCAPE-L, AND L TO ESCAPE-T.

		 0			;COMMAND FOR RUBOUT (RESET)
ITABLE:	EXP	40,21, 2, 3, 4, 5, 6, 7 ;NOTHING SPECIAL
	EXP	10,11,12, 1,23,15,16,17
	EXP	20, 0,22, 0,24,25,26,27
	EXP	30,31,32
	-SIZ.IS,,ISUBTB
	EXP		 35,33,37,36	;ENTER==CONTROL-]
>
;SUBTABLE. PUT THE MOST FREQUENTLY-USED SEQUENCES FIRST
;ENTER IS PROBABLY THE MOST COMMON OF ALL

ISUBTB:	45,,"L" 	;ESCAPE L == LINE
	45,,"l"
	42,,"D" 	;ESCAPE D == DELETE-CHARACTER
	42,,"d"
	43,,"T" 	;ESCAPE T == REAL-TAB
	43,,"t"
	40,,"Q" 	;ESCAPE Q == RECALL
	40,,"q"
	41,,"I" 	;ESCAPE I == INSERT-MODE
	41,,"i"
	44,,"M" 	;ESCAPE M == MARK
	44,,"m"
	46,,"C" 	;ESCAPE C == CASE
	46,,"c"
	50,,"K" 	;ESCAPE K == ERASE-LINE
	50,,"k"
	47,,"W" 	;ESCAPE W == WINDOW
	47,,"w"
IFN FTFAST,<
	13,,"L"		;ESCAPE L == SLIDE-LEFT
	14,,"R"		;ESCAPE R == SLIDE-RIGHT
	13,,"l"		;ESCAPE l == SLIDE-LEFT
	14,,"r"		;ESCAPE r == SLIDE-RIGHT
>
SIZ.IS=.-ISUBTB

;SUBROUTINE TO MOVE TO ROW (RW), COLUMN (CM)

POSCUR:	MOVEI	T1,36
	IDPB	T1,TY		;START IT OFF
	MOVEI	T1,40(CM)	;GET COLUMN POSITION
	IDPB	T1,TY
	MOVEI	T1,40(RW)	;GET ROW POSITION
	IDPB	T1,TY
	POPJ	P,		;DONE

;SUBROUTINE TO MOVE TO START OF LINE (T4)

POSLIN:	MOVEI	T1,36
	IDPB	T1,TY		;START IT OFF
	MOVEI	T1,40		;MOVE TO COLUMN ZERO
	IDPB	T1,TY
	MOVEI	T1,40(T4)	;GET ROW POSITION
	IDPB	T1,TY
	POPJ	P,		;DONE

	END