ctype.inc

来自「6502 c compiler free open source」· INC 代码 · 共 30 行

;
; Definitions for the character type tables
;
; Ullrich von Bassewitz, 08.09.2001
;

; Make the __ctype table an exported/imported symbol

        .global	   __ctype

; Define bitmapped constants for the table entries

CT_NONE         = $00           ; Nothing special
CT_LOWER	= $01		; 0 - Lower case char
CT_UPPER	= $02		; 1 - Upper case char
CT_DIGIT	= $04		; 2 - Numeric digit
CT_XDIGIT	= $08		; 3 - Hex digit (both, lower and upper)
CT_CTRL	 	= $10		; 4 - Control character
CT_SPACE 	= $20		; 5 - The space character itself
CT_OTHER_WS	= $40		; 6 - Other whitespace ('\f', '\n', '\r', '\t' and '\v')
CT_SPACE_TAB	= $80		; 7 - Space or tab character

; Combined stuff
CT_ALNUM   	= (CT_LOWER | CT_UPPER | CT_DIGIT)
CT_ALPHA 	= (CT_LOWER | CT_UPPER)
CT_CTRL_SPACE	= (CT_CTRL | CT_SPACE)
CT_NOT_PUNCT	= (CT_SPACE | CT_CTRL | CT_DIGIT | CT_UPPER | CT_LOWER)