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correct rounding when applying analog sensitivity

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This commit is contained in:
Michaël Banaan Ananas 2011-08-28 13:59:02 +00:00
parent 29f358dc40
commit bd457f6e0a
1 changed files with 3 additions and 3 deletions
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6
src/emu/ioport.c
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@ -298,7 +298,7 @@ struct _input_port_private
MACROS
***************************************************************************/
#define APPLY_SENSITIVITY(x,s) (((INT64)(x) * (s)) / 100)
#define APPLY_SENSITIVITY(x,s) (((INT64)(x) * (s)) / 100.0 + 0.5)
#define APPLY_INVERSE_SENSITIVITY(x,s) (((INT64)(x) * 100) / (s))
#define COMPUTE_SCALE(num,den) (((INT64)(num) << 24) / (den))
@ -846,11 +846,11 @@ INLINE INT32 apply_analog_min_max(const analog_field_state *analog, INT32 value)
while (value >= adjmax)
{
value -= range;;
value -= range;
}
while (value <= adjmin)
{
value += range;;
value += range;
}
}