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git-svn-id: svn://svn.cc65.org/cc65/trunk@3007 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2004-05-02 21:01:12 +00:00
parent d7234541e2
commit 86b00e8157
1 changed files with 16 additions and 4 deletions
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20
libsrc/common/_scanf.c
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@ -105,6 +105,20 @@ static unsigned char IsCharInSet (unsigned char C)
static void InvertCharSet (void)
/* Invert the character set */
{
asm ("ldy #%b", sizeof (CharSet) - 1);
asm ("L1:");
asm ("lda %v,y", CharSet);
asm ("eor #$FF");
asm ("sta %v,y", CharSet);
asm ("dey");
asm ("bpl L1");
}
/*****************************************************************************/
/* Code */
/*****************************************************************************/
@ -206,7 +220,7 @@ static void AssignInt (void)
int _scanf (struct indesc* D_, const char* format, va_list ap_)
int _scanf (struct indesc* D_, register const char* format, va_list ap_)
/* This is the routine used to do the actual work. It is called from several
* types of wrappers to implement the actual ISO xxscanf functions.
*/
@ -467,9 +481,7 @@ FlagsDone:
/* Invert the set if requested */
if (Invert) {
for (Start = 0; Start < sizeof (CharSet); ++Start) {
CharSet[Start] ^= 0xFF;
}
InvertCharSet ();
}
/* We have the set in CharSet. Read characters and