/* */
/* */
/* */
-/* (C) 1998-2009, Ullrich von Bassewitz */
+/* (C) 1998-2013, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* The array containing character classification data */
extern unsigned char _ctype[256];
-/* Bits used to specify characters classes */
+/* Bits used to specify character classes */
#define _CT_LOWER 0x01 /* 0 - Lower case char */
#define _CT_UPPER 0x02 /* 1 - Upper case char */
#define _CT_DIGIT 0x04 /* 2 - Numeric digit */
-#define _CT_XDIGIT 0x08 /* 3 - Hex digit (both, lower and upper) */
+#define _CT_XDIGIT 0x08 /* 3 - Hex digit (both lower and upper) */
#define _CT_CNTRL 0x10 /* 4 - Control character */
#define _CT_SPACE 0x20 /* 5 - The space character itself */
-#define _CT_OTHER_WS 0x40 /* 6 - Other whitespace ('\f', '\n', '\r', '\t' and '\v') */
+#define _CT_OTHER_WS 0x40 /* 6 - Other whitespace ('\f', '\n', '\r', '\t', and '\v') */
#define _CT_SPACE_TAB 0x80 /* 7 - Space or tab character */
/* Bit combinations */
#if __CC65_STD__ >= __CC65_STD_CC65__
unsigned char __fastcall__ toascii (unsigned char c);
-/* Convert a target specific character to ascii */
+/* Convert a target-specific character to ASCII. */
#endif
-/* When inlining of known function is enabled, overload most of the above
- * functions by macros. The function prototypes are again available after
- * #undef'ing the macros.
- * Please note that the following macros do NOT handle EOF correctly, as
+/* When inlining-of-known-functions is enabled, overload most of the above
+ * functions by macroes. The function prototypes are available again after
+ * #undef'ing the macroes.
+ * Please note that the following macroes do NOT handle EOF correctly, as
* stated in the manual. If you need correct behaviour for EOF, don't
- * use -Os, or #undefine the following macros.
+ * use -Os, or #undefine the following macroes.
*/
#ifdef __OPT_s__
#define isgraph(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
- __asm__ ("eor #%b", _CT_NOT_GRAPH), \
- __asm__ ("and #%b", _CT_NOT_GRAPH), \
+ __asm__ ("and #%b", _CT_NOT_GRAPH), \
+ __asm__ ("cmp #1"), \
+ __asm__ ("lda #1"), \
+ __asm__ ("sbc #1"), \
__AX__)
#define islower(c) (__AX__ = (c), \
#define isprint(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
- __asm__ ("eor #%b", _CT_NOT_PRINT), \
__asm__ ("and #%b", _CT_NOT_PRINT), \
+ __asm__ ("eor #%b", _CT_NOT_PRINT), \
__AX__)
#define ispunct(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
- __asm__ ("eor #%b", _CT_NOT_PUNCT), \
__asm__ ("and #%b", _CT_NOT_PUNCT), \
+ __asm__ ("cmp #1"), \
+ __asm__ ("lda #1"), \
+ __asm__ ("sbc #1"), \
__AX__)
#define isspace(c) (__AX__ = (c), \