#ifdef FLOAT_ASM_MCS51
// char __fs2schar (float x)
-static void dummy(void) _naked
+static void dummy(void) __naked
{
- _asm
+ __asm
.globl ___fs2schar
___fs2schar:
lcall ___fs2slong
+ jnz fs2schar_not_zero
+ mov a, dpl
+ orl a, dph
+ orl a, b
+ jnz fs2schar_clr_a
+ ret
+fs2schar_clr_a:
+ clr a
+fs2schar_not_zero:
jnb sign_a, fs2schar_pos
fs2schar_neg:
cpl a
fs2schar_maxval_pos:
mov dpl, #0x7F
ret
- _endasm;
+ __endasm;
}
-
#else
-
/* convert float to signed char */
-signed char __fs2schar (float f) {
+signed char __fs2schar (float f)
+{
signed long sl=__fs2slong(f);
if (sl>=CHAR_MAX)
return CHAR_MAX;
- if (sl<=CHAR_MIN)
+ if (sl<=CHAR_MIN)
return -CHAR_MIN;
return sl;
}
#endif
-