;----------------------------------------------------------------------
; [PASLIB] CWT.MAC: Wait for end-of-line character.
; @CWT
; Revisions:
; 9/6/80 Last MGL update
;
;
;----------------------------------------------------------------------

	PUBLIC	@CWT		;WAIT FOR CR

	EXTRN	@GETCHR
	EXTRN	@LFB

FEOLN	EQU	59		;BOOLEAN;
FBUFFER	EQU	194		;ARRAY [0..0] OF BYTE
OPTION	EQU	56		;(FREAD,FWRITE,...FLSTOUT)
FCONIO	EQU	4		;USED BY THIS MODULE

@CWT:
	LHLD	@LFB
	LXI	D,FEOLN
	DAD	D
	MOV	A,M
	RAR
	JC	ITSEOLN		;BR IF LAST THING WAS A CR

	CALL	@GETCHR
	POP	B		
	JMP	@CWT

ITSEOLN:
	MVI	M,0		;TURN EOLN OFF
	LHLD	@LFB
	LXI	D,OPTION
	DAD	D
	MOV	A,M
	CPI	FCONIO
	RNC			;IF CONSOLE THEN WE ARE DONE

	CALL	@GETCHR		;GOBBLE BLANK AND PUT LF IN BUFFER
	POP	B

	LHLD	@LFB
	LXI	D,FBUFFER
	DAD	D
	MOV	A,M
	CPI	0AH		;LF TO GOBBLE?
	RNZ			;RETURN IF DONE

	CALL	@GETCHR		;GOBBLE LF AND PUT NEXT CHAR IN BUFFER
	POP	B
	RET			

	END