6502/cc65
1
0
Fork 0
mirror of https://github.com/cc65/cc65.git synced 2024-07-05 21:29:03 +00:00
Code Issues Projects Releases Wiki Activity

Squeezed out a few bytes

Browse Source 
git-svn-id: svn://svn.cc65.org/cc65/trunk@3039 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2004-05-13 23:01:53 +00:00
parent bfdfd83fde
commit 57851eda12
1 changed files with 26 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
libsrc/common/_scanf.c
View File

@ -207,15 +207,26 @@ static void AssignInt (void)
*/
{
if (!NoAssign) {
/* Get the next argument pointer */
void* P = va_arg (ap, void*);
/* Assign to the converted value */
if (IsLong) {
*(long*)P = IntVal;
} else {
*(int*)P = (int) IntVal;
}
/* Get the next argument pointer */
__AX__ = (unsigned) va_arg (ap, void*);
/* Store the argument pointer into ptr1 */
asm ("sta ptr1");
asm ("stx ptr1+1");
/* Get the number of bytes-1 to copy */
asm ("ldy #3");
asm ("lda %v", IsLong);
asm ("bne L1");
asm ("ldy #1");
/* Assign the integer value */
asm ("L1: lda %v,y", IntVal);
asm ("sta (ptr1),y");
asm ("dey");
asm ("bpl L1");
}
}