;
;		ish file converter for MS-DOS  Ver 2.00 (90/3/27)
;
;
;		Copyright (c) 1986, 1987, 1989, 1990  by  M. ishizuka
;		All rights reserved.
;

dec_table	dd	1000000000d
		dd	100000000d
		dd	10000000d
		dd	1000000d
		dd	100000d
		dd	10000d
		dd	1000d
		dd	100d
		dd	10d
		dd	1d

prefix_char	db	20h, 60h, '~', '{', '}', 'o', 'w', 0

sum_1_to_61	equ	 63h	; 1+2+3+еееее+61 ( mod 256 )
sum_1_to_67	equ	0e6h	; 1+2+3+еееее+67 ( mod 256 )
sum_1_to_71	equ	0fch	; 1+2+3+еееее+71 ( mod 256 )

ish_data	db		'.ish', 0

arc_data	db		'ARC'
		lstring			'& arc '
		db		'DWC'
		lstring			'& dwc '
		db		'ZOO'
		lstring			'& zoo '
		db		'LZH'
		lstring			'& LHarc '
		db		'ZIP'
		lstring			'& pkunzip '
		db		'LBR'
		lstring			'& lu '

cr_lf		equ	0a0dh
ccitt_crc	equ	1021h
ccitt_crc_check	equ	0f1dh	; CAUTION : 1d0fh

ishopt:		lstring		'ISHOPT='
ishtz:		lstring		'ISHTZ='
tz:		lstring		'TZ='
comspec:	lstring		'COMSPEC='

month_table	db	31	; Jan
		db	28	; Feb
		db	31	; Mar
		db	30	; Apr
		db	31	; May
		db	30	; Jun
		db	31	; Jul
		db	31	; Aug
		db	30	; Sep
		db	31	; Oct
		db	30	; Nov
		db	31	; Dec