; ; ish file converter for MS-DOS Ver 2.00 (90/3/27) ; ; ; Copyright (c) 1986, 1987, 1989, 1990 by M. ishizuka ; All rights reserved. ; ;-----------------------------------------------; ; ; ; @@get_tz ; ; ; ; INPUT : NON ; ; OUTPUT: NON ; ; ERROR : _error_40, error_41 ; ; BREAK : flags, ax, cx, dx, si, di ; ; ; ;-----------------------------------------------; @@get_tz macro mov si, offset tz call search_env jnz get_tz_5 mov cx, 3 get_tz_1: lodsb or al, al jz _error_40 loop get_tz_1 lodsb cmp al, '-' pushf jz get_tz_1_1 cmp al, '+' jnz get_tz_2 get_tz_1_1: lodsb get_tz_2: sub al, '0' mov ah, al mov al, 0 jc get_tz_3 cmp ah, 10 jnc get_tz_3 lodsb sub al, '0' xchg ah, al jc get_tz_3 cmp ah, 10 jnc get_tz_3 add al, al add ah, al add al, al add al, al add al, ah get_tz_3: popf jnz get_tz_4 neg al get_tz_4: cbw mov si, es mov ds, si mov dx, 3600d imul dx mov word ptr tz_low, ax mov word ptr tz_high, dx mov byte ptr tz_avail, 0ffh get_tz_5: mov si, es mov ds, si mov si, offset ishtz call search_env jnz get_tz_6 mov ax, 3d00h mov dx, si int 21h mov si, es mov ds, si jc error_41 mov word ptr tz_handler, ax get_tz_6: mov si, es mov ds, si endm ;-----------------------------------------------; ; ; ; @@set_difference_of_time ; ; ; ; INPUT : NON ; ; OUTPUT: NON ; ; ERROR : error_42 ; ; BREAK : flags, ax, bx, cx, dx, si, di ; ; ; ;-----------------------------------------------; @@set_difference_of_time macro mov bx, word ptr tz_handler or bx, bx jz set_difference_of_time_6 mov ax, 4200h xor cx, cx xor dx, dx int 21h ; rewind jc error_42 mov word ptr tag_work, 0 set_difference_of_time_0: call skip_cr_lf jc set_difference_of_time_6 cmp al, 1ah jz set_difference_of_time_6 call get_num2 ; year high cbw mov cx, ax call get_num2 ; year low cbw add cx, cx add cx, cx add ax, cx add cx, cx add cx, cx add cx, cx add ax, cx add cx, cx add ax, cx cmp ax, 2100d jnc error_42 sub ax, 1980d jc error_42 mov dh, al mov cl, '-' call get_and_check call get_num2 ; month cmp al, 13d jnc error_42 shl al, 1 shl al, 1 shl al, 1 shl al, 1 mov dl, al shl dx, 1 call get_and_check call get_num2 ; date cmp al, 32d jnc error_42 or dl, al mov di, dx call get_and_check call get_num2 ; hour cmp al, 24d jnc error_42 mov dh, al mov cl, ':' call get_and_check call get_num2 ; minite cmp al, 60d jnc error_42 shl al, 1 shl al, 1 mov dl, al shl dx, 1 shl dx, 1 shl dx, 1 call get_and_check call get_num2 ; second cmp al, 60d jnc error_42 shr al, 1 or dl, al cmp di, word ptr work_table[29] jc set_difference_of_time_1 jnz set_difference_of_time_5 cmp dx, word ptr work_table[27] jnbe set_difference_of_time_5 set_difference_of_time_1: call skip_space2 call get_num2 ; year high cbw mov cx, ax call get_num2 ; year low cbw add cx, cx add cx, cx add ax, cx add cx, cx add cx, cx add cx, cx add ax, cx add cx, cx add ax, cx cmp ax, 2100d jnc error_42 sub ax, 1980d jc error_42 mov dh, al mov cl, '-' call get_and_check call get_num2 ; month cmp al, 13d jnc error_42 shl al, 1 shl al, 1 shl al, 1 shl al, 1 mov dl, al shl dx, 1 call get_and_check call get_num2 ; date cmp al, 32d jnc error_42 or dl, al mov di, dx call get_and_check call get_num2 ; hour cmp al, 24d jnc error_42 mov dh, al mov cl, ':' call get_and_check call get_num2 ; minite cmp al, 60d jnc error_42 shl al, 1 shl al, 1 mov dl, al shl dx, 1 shl dx, 1 shl dx, 1 call get_and_check call get_num2 ; second cmp al, 60d jnc error_42 shr al, 1 or dl, al cmp word ptr work_table[29], di jc set_difference_of_time_2 jnz set_difference_of_time_5 cmp word ptr work_table[27], dx jnbe set_difference_of_time_5 set_difference_of_time_2: call skip_space2 call get_para_char jc error_42 cmp al, '-' pushf jz set_difference_of_time_3 cmp al, '+' jz set_difference_of_time_3 dec si set_difference_of_time_3: call get_num2 ; hour mov cx, 60d*256d + ':' mul ch mov dx, ax call get_and_check call get_num2 ; minite cbw add dx, ax call get_and_check call get_num2 ; second cbw mov cx, ax mov ax, 60 mul dx add ax, cx adc dx, 0 popf jnz set_difference_of_time_7 not ax not dx add ax, 1 adc dx, 0 jmp set_difference_of_time_7 set_difference_of_time_5: call skip_to_cr_lf jnc set_difference_of_time_0 set_difference_of_time_6: cmp byte ptr tz_avail, 0 jz set_difference_of_time_8 mov ax, word ptr tz_low mov dl, byte ptr tz_high set_difference_of_time_7: mov word ptr work_table[31], ax mov byte ptr work_table[33], dl or byte ptr work_table[26], 2 set_difference_of_time_8: endm ;-----------------------------------------------; ; ; ; @@set_local_time ; ; ; ; INPUT : ax (difference of time low) ; ; dx (difference of time high) ; ; OUTPUT: NON ; ; ERROR : NON ; ; BREAK : flags, ax, bx, cx, dx, si ; ; ; ;-----------------------------------------------; @@set_local_time macro not ax not dx add ax, 1 adc dx, 0 mov si, offset utc call local_time_to_utc mov ax, word ptr utc mov dx, word ptr utc[2] mov cx, 60d div cx div cl xchg ah, al shl al, 1 shl al, 1 shl ax, 1 shl ax, 1 shl ax, 1 shr dl, 1 or al, dl mov word ptr save_time, ax mov ax, word ptr utc[4] add ax, 101h mov dx, word ptr utc[6] cmp dx, 2099d jnbe set_local_time_0 sub dx, 1980d jc set_local_time_1 xchg al, dl xchg ah, al shl al, 1 shl al, 1 shl al, 1 shl al, 1 shl ax, 1 or al, dl jmp set_local_time_2 set_local_time_0: mov word ptr save_time, 0bd7dh ; 23:59:59 mov ax, 0ef9fh ; 2099-12-31 jmp set_local_time_1 set_local_time_1: mov word ptr save_time, 0 ; 00:00:00 mov ax, 21h ; 1980-01-01 set_local_time_2: mov word ptr save_date, ax endm ;-----------------------------------------------; ; ; ; @@get_local_time ; ; ; ; INPUT : NON ; ; OUTPUT: NON ; ; ERROR : error_42 ; ; BREAK : flags, ax, bx, cx, dx, si, di ; ; ; ;-----------------------------------------------; @@get_local_time macro mov al, byte ptr date_time_flag and al, 3 cmp al, 3 jnz get_local_time_10 cmp word ptr save_date, 0 jz get_local_time_10 call set_utc mov bx, word ptr tz_handler or bx, bx jz get_local_time_8 mov ax, 4200h xor cx, cx xor dx, dx int 21h ; rewind jc error_42 mov word ptr tag_work, 0 get_local_time_0: call skip_cr_lf jc get_local_time_8 cmp al, 1ah jz get_local_time_8 call get_num2 ; year high cbw mov cx, ax call get_num2 ; year low cbw add cx, cx add cx, cx add ax, cx add cx, cx add cx, cx add cx, cx add ax, cx add cx, cx add ax, cx cmp ax, 2100d jnc error_42 cmp ax, 1980d jc error_42 mov word ptr local_time_work[6], ax mov cl, '-' call get_and_check call get_num2 ; month dec al cmp al, 12d jnc error_42 mov byte ptr local_time_work[5], al call get_and_check call get_num2 ; date dec al cmp al, 31d jnc error_42 mov byte ptr local_time_work[4], al call get_and_check call get_num2 ; hour cmp al, 24d jnc error_42 mov cx, 60d*256d + ':' mul ch mov dx, ax call get_and_check call get_num2 ; minite cmp al, 60d jnc error_42 cbw add dx, ax call get_and_check call get_num2 ; second cmp al, 60d jnc error_42 cbw mov cx, ax mov ax, 60d mul dx add ax, cx adc dx, 0 mov word ptr local_time_work, ax mov word ptr local_time_work[2], dx call skip_space2 call get_num2 ; year high cbw mov cx, ax call get_num2 ; year low cbw add cx, cx add cx, cx add ax, cx add cx, cx add cx, cx add cx, cx add ax, cx add cx, cx add ax, cx cmp ax, 2100d jnc error_42 cmp ax, 1980d jc error_42 mov word ptr local_time_work[14], ax mov cl, '-' call get_and_check call get_num2 ; month dec al cmp al, 12d jnc error_42 mov byte ptr local_time_work[13], al call get_and_check call get_num2 ; date dec al cmp al, 31d jnc error_42 mov byte ptr local_time_work[12], al call get_and_check call get_num2 ; hour cmp al, 24d jnc error_42 mov cx, 60d*256d + ':' mul ch mov dx, ax call get_and_check call get_num2 ; minite cmp al, 60d jnc error_42 cbw add dx, ax call get_and_check call get_num2 ; second cmp al, 60d jnc error_42 cbw mov cx, ax mov ax, 60d mul dx add ax, cx adc dx, 0 mov word ptr local_time_work[8], ax mov word ptr local_time_work[10], dx call skip_space2 call get_para_char jc error_42 cmp al, '-' pushf jz get_local_time_3 cmp al, '+' jz get_local_time_3 dec si get_local_time_3: call get_num2 ; hour mov cx, 60d*256d + ':' mul ch mov dx, ax call get_and_check call get_num2 ; minite cbw add dx, ax call get_and_check call get_num2 ; second cbw mov cx, ax mov ax, 60d mul dx add ax, cx adc dx, 0 popf jnz get_local_time_4 not ax not dx add ax, 1 adc dx, 0 get_local_time_4: mov word ptr local_time_work[16], ax mov word ptr local_time_work[18], dx push si mov si, offset local_time_work[0] push bx call local_time_to_utc pop bx pop si mov ax, word ptr local_time_work[6] cmp ax, word ptr utc[6] jc get_local_time_5 jnz get_local_time_7 mov ax, word ptr local_time_work[4] cmp ax, word ptr utc[4] jc get_local_time_5 jnz get_local_time_7 mov ax, word ptr local_time_work[2] cmp ax, word ptr utc[2] jc get_local_time_5 jnz get_local_time_7 mov ax, word ptr local_time_work cmp ax, word ptr utc jnbe get_local_time_7 get_local_time_5: mov ax, word ptr local_time_work[16] mov dx, word ptr local_time_work[18] push si mov si, offset local_time_work[8] push bx call local_time_to_utc pop bx pop si mov ax, word ptr utc[6] cmp ax, word ptr local_time_work[14] jc get_local_time_6 jnz get_local_time_7 mov ax, word ptr utc[4] cmp ax, word ptr local_time_work[12] jc get_local_time_6 jnz get_local_time_7 mov ax, word ptr utc[2] cmp ax, word ptr local_time_work[10] jc get_local_time_6 jnz get_local_time_7 mov ax, word ptr utc cmp ax, word ptr local_time_work[8] jnbe get_local_time_7 get_local_time_6: mov ax, word ptr local_time_work[16] mov dx, word ptr local_time_work[18] jmp get_local_time_9 get_local_time_7: call skip_to_cr_lf jnc get_local_time_0 get_local_time_8: cmp byte ptr tz_avail, 0 jz get_local_time_10 mov ax, word ptr tz_low mov dx, word ptr tz_high get_local_time_9: @@set_local_time get_local_time_10: endm