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Fixed isgraph() and ispunct() (macroes and library functions).

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This commit is contained in:
Greg King 2013-05-01 15:04:36 -04:00
parent 42494c6323
commit b225adaf03
3 changed files with 37 additions and 27 deletions
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32
include/ctype.h
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@ -6,7 +6,7 @@
/* */ /* */
/* */ /* */
/* */ /* */
/* (C) 1998-2009, Ullrich von Bassewitz */ /* (C) 1998-2013, Ullrich von Bassewitz */
/* Roemerstrasse 52 */ /* Roemerstrasse 52 */
/* D-70794 Filderstadt */ /* D-70794 Filderstadt */
/* EMail: uz@cc65.org */ /* EMail: uz@cc65.org */
@ -40,14 +40,14 @@
/* The array containing character classification data */ /* The array containing character classification data */
extern unsigned char _ctype[256]; 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_LOWER 0x01 /* 0 - Lower case char */
#define _CT_UPPER 0x02 /* 1 - Upper case char */ #define _CT_UPPER 0x02 /* 1 - Upper case char */
#define _CT_DIGIT 0x04 /* 2 - Numeric digit */ #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_CNTRL 0x10 /* 4 - Control character */
#define _CT_SPACE 0x20 /* 5 - The space character itself */ #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 */ #define _CT_SPACE_TAB 0x80 /* 7 - Space or tab character */
/* Bit combinations */ /* Bit combinations */
@ -79,17 +79,17 @@ int __fastcall__ tolower (int c); /* Always external */
#if __CC65_STD__ >= __CC65_STD_CC65__ #if __CC65_STD__ >= __CC65_STD_CC65__
unsigned char __fastcall__ toascii (unsigned char c); unsigned char __fastcall__ toascii (unsigned char c);
/* Convert a target specific character to ascii */ /* Convert a target-specific character to ASCII. */
#endif #endif
/* When inlining of known function is enabled, overload most of the above /* When inlining-of-known-functions is enabled, overload most of the above
* functions by macros. The function prototypes are again available after * functions by macroes. The function prototypes are available again after
* #undef'ing the macros. * #undef'ing the macroes.
* Please note that the following macros do NOT handle EOF correctly, as * 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 * 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__ #ifdef __OPT_s__
@ -128,8 +128,10 @@ unsigned char __fastcall__ toascii (unsigned char c);
#define isgraph(c) (__AX__ = (c), \ #define isgraph(c) (__AX__ = (c), \
__asm__ ("tay"), \ __asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \ __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__) __AX__)
#define islower(c) (__AX__ = (c), \ #define islower(c) (__AX__ = (c), \
@ -141,15 +143,17 @@ unsigned char __fastcall__ toascii (unsigned char c);
#define isprint(c) (__AX__ = (c), \ #define isprint(c) (__AX__ = (c), \
__asm__ ("tay"), \ __asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \ __asm__ ("lda %v,y", _ctype), \
__asm__ ("eor #%b", _CT_NOT_PRINT), \
__asm__ ("and #%b", _CT_NOT_PRINT), \ __asm__ ("and #%b", _CT_NOT_PRINT), \
__asm__ ("eor #%b", _CT_NOT_PRINT), \
__AX__) __AX__)
#define ispunct(c) (__AX__ = (c), \ #define ispunct(c) (__AX__ = (c), \
__asm__ ("tay"), \ __asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \ __asm__ ("lda %v,y", _ctype), \
__asm__ ("eor #%b", _CT_NOT_PUNCT), \
__asm__ ("and #%b", _CT_NOT_PUNCT), \ __asm__ ("and #%b", _CT_NOT_PUNCT), \
__asm__ ("cmp #1"), \
__asm__ ("lda #1"), \
__asm__ ("sbc #1"), \
__AX__) __AX__)
#define isspace(c) (__AX__ = (c), \ #define isspace(c) (__AX__ = (c), \

15
libsrc/common/isgraph.s
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@ -1,5 +1,6 @@
; ;
; Ullrich von Bassewitz, 02.06.1998 ; 1998-06-02, Ullrich von Bassewitz
; 2013-05-01, Greg King
; ;
; int isgraph (int c); ; int isgraph (int c);
; ;
@ -8,15 +9,17 @@
.include "ctype.inc" .include "ctype.inc"
_isgraph: _isgraph:
cpx #$00 ; Char range ok? cpx #>0 ; Char range OK?
bne @L1 ; Jump if no bne @L1 ; Jump if no
tay tay
lda __ctype,y ; Get character classification lda __ctype,y ; Get character classification
eor #CT_CTRL_SPACE ; NOT control and NOT space and #CT_CTRL_SPACE ; Mask character bits
and #CT_CTRL_SPACE ; Mask character bits cmp #1 ; If false, then set "borrow" flag
rts lda #0
sbc #0 ; Invert logic
rts ; Return NOT control and NOT space
@L1: lda #$00 ; Return false @L1: lda #<0 ; Return false
tax tax
rts rts

17
libsrc/common/ispunct.s
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@ -1,22 +1,25 @@
; ;
; Ullrich von Bassewitz, 02.06.1998 ; 1998-06-02, Ullrich von Bassewitz
; 2013-05-01, Greg King
; ;
; int ispunct (int c); ; int ispunct (int c);
; ;
.export _ispunct .export _ispunct
.include "ctype.inc" .include "ctype.inc"
_ispunct: _ispunct:
cpx #$00 ; Char range ok? cpx #>0 ; Char range OK?
bne @L1 ; Jump if no bne @L1 ; Jump if no
tay tay
lda __ctype,y ; Get character classification lda __ctype,y ; Get character classification
eor #CT_NOT_PUNCT ; NOT (space | control | digit | alpha) and #CT_NOT_PUNCT ; Mask relevant bits
and #CT_NOT_PUNCT ; Mask relevant bits cmp #1 ; If false, then set "borrow" flag
rts lda #0
sbc #0 ; Invert logic
rts ; Return NOT (space | control | digit | alpha)
@L1: lda #$00 ; Return false @L1: lda #<0 ; Return false
tax tax
rts rts