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https://github.com/NishiOwO/VZEditor.git
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74 lines
1.5 KiB
PHP
74 lines
1.5 KiB
PHP
;------------------------------------------------
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; ctype.inc
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;
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; Copyright (c) 1992 by c.mos
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;------------------------------------------------
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;----- Equations -----
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_10 equ 00000010b ; 10 digit
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_UP equ 00000100b ; upper case
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_LO equ 00001000b ; lower case
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_16 equ 00010000b ; hexa decimal
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_FN equ 10000000b ; file name char
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;----- Is upper/lower/alpha/digit/kanji? -----
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;--> AL :char
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;<-- CY :yes
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public isupper,isalpha,islower,isdigit,iskanji
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isupper: cmp al,'A'
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jb isnot
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cmp al,'Z'+1
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VZ_RET
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isalpha: call isupper
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jc isal9
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islower: cmp al,'a'
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jb isnot
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cmp al,'z'+1
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isal9: VZ_RET
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isdigit: cmp al,'0'
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jb isnot
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cmp al,'9'+1
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VZ_RET
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iskanji: ifkanji yes
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isnot: clc
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VZ_RET
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;----- Is file name? -----
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;--> AL :char (20h<=AL<80h)
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;<-- CY :file name
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public isfilename
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isfilename proc
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pushm <bx,cx>
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mov cl,al
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and cl,7
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mov ch,80h
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shr ch,cl
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mov bl,al
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clr bh
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shrm bx,3
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add bx,offset cgroup: fnbittbl - 4
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test byte ptr [bx],ch
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popm <cx,bx>
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jz isfl9
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yes: stc
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isfl9: VZ_RET
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isfilename endp
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fnbittbl db 01011111b,11000100b,11111111b,11000000b
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; !"#$%&' ()*+,-./ 01234567 89:;<=>?
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db 11111111b,11111111b,11111111b,11100011b
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; @ABCDEFG HIJKLMNO PQRSTUVW XYZ[\]^_
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db 11111111b,11111111b,11111111b,11110110b
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; `abcdefg hijklmno pqrstuvw xyz{|}~
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;------------------------------------------------
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; End of ctype.inc
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;------------------------------------------------
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