#comment
     This file is part of Z80 Scheme Interpreter     

     Z80 Scheme Interpreter is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
     Copyright 2007, Spencer Putt
#endcomment


#define DB .db
#include "getstr.inc"


repl_initialize:
	ld hl,empty_env
	ld (global_env),hl
	ld hl,0
	ld (pencol),hl
	ret

; input
;	de - base environment
; output
;	none

do_repl:
	ld a,$3E
	bcall(_vputmap)
	ld a,' '
	bcall(_vputmap)
	
	ld ix,savesscreen
	ld b,384
	call getstr
	
	ld a,(penrow)
	add a,6
	ld (penrow),a
	xor a
	ld (pencol),a
	
	
	ld hl,savesscreen
	ld de,(global_env)
	call evaluate
	call repl_print
	jp do_repl