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Diffstat (limited to 'src/emu/inptport.c')
-rw-r--r--src/emu/inptport.c62
1 files changed, 30 insertions, 32 deletions
diff --git a/src/emu/inptport.c b/src/emu/inptport.c
index 7b73e898d49..2e254a5a5aa 100644
--- a/src/emu/inptport.c
+++ b/src/emu/inptport.c
@@ -513,22 +513,19 @@ INLINE INT32 apply_analog_min_max(const analog_field_state *analog, INT32 value)
/* for relative devices, wrap around when we go past the edge */
else
{
- INT32 adj1 = APPLY_INVERSE_SENSITIVITY(512, analog->sensitivity);
- INT32 adjdif = adjmax - adjmin + adj1;
+ INT32 adj1 = APPLY_INVERSE_SENSITIVITY(INPUT_RELATIVE_PER_PIXEL, analog->sensitivity);
+ INT32 range = adjmax - adjmin + adj1;
+ /* rolls to other end when 1 position past end. */
+ adjmax += adj1;
+ adjmin -= adj1;
- if (analog->reverse)
+ while (value >= adjmax)
{
- while (value <= adjmin - adj1)
- value += adjdif;
- while (value > adjmax)
- value -= adjdif;
+ value -= range;;
}
- else
+ while (value <= adjmin)
{
- while (value >= adjmax + adj1)
- value -= adjdif;
- while (value < adjmin)
- value += adjdif;
+ value += range;;
}
}
@@ -1870,11 +1867,11 @@ static analog_field_state *init_field_analog_state(const input_field_config *fie
/* adjust for signed */
state->adjmin = -state->adjmin;
- state->minimum = (state->adjmin - state->adjdefvalue) * 512;
- state->maximum = (state->adjmax - state->adjdefvalue) * 512;
+ state->minimum = (state->adjmin - state->adjdefvalue) * INPUT_RELATIVE_PER_PIXEL;
+ state->maximum = (state->adjmax - state->adjdefvalue) * INPUT_RELATIVE_PER_PIXEL;
/* make the scaling the same for easier coding when we need to scale */
- state->scaleneg = state->scalepos = COMPUTE_SCALE(1, 512);
+ state->scaleneg = state->scalepos = COMPUTE_SCALE(1, INPUT_RELATIVE_PER_PIXEL);
if (field->flags & ANALOG_FLAG_RESET)
/* delta values reverse from center */
@@ -1886,7 +1883,7 @@ static analog_field_state *init_field_analog_state(const input_field_config *fie
/* relative controls reverse from 1 past their max range */
if (state->positionalscale == 0)
- state->reverse_val += 512;
+ state->reverse_val += INPUT_RELATIVE_PER_PIXEL;
}
}
@@ -2148,7 +2145,7 @@ static void frame_update_analog_field(analog_field_state *analog)
/* if port is positional, we will take the full analog control and divide it */
/* into positions, that way as the control is moved full scale, */
/* it moves through all the positions */
- rawvalue = APPLY_SCALE(rawvalue - INPUT_ABSOLUTE_MIN, analog->positionalscale) * 512 + analog->minimum;
+ rawvalue = APPLY_SCALE(rawvalue - INPUT_ABSOLUTE_MIN, analog->positionalscale) * INPUT_RELATIVE_PER_PIXEL + analog->minimum;
/* clamp the high value so it does not roll over */
rawvalue = MIN(rawvalue, analog->maximum);
@@ -2186,24 +2183,24 @@ static void frame_update_analog_field(analog_field_state *analog)
if (input_seq_pressed(input_field_seq(analog->field, SEQ_TYPE_DECREMENT)))
{
keypressed = TRUE;
- if (analog->field->delta != 0)
- delta -= APPLY_SCALE(analog->field->delta, keyscale);
- else if (analog->lastdigital != 1)
+ if (analog->delta != 0)
+ delta -= APPLY_SCALE(analog->delta, keyscale);
+ else if (!analog->lastdigital)
/* decrement only once when first pressed */
delta -= APPLY_SCALE(1, keyscale);
- analog->lastdigital = 1;
+ analog->lastdigital = TRUE;
}
/* same for the increment code sequence */
if (input_seq_pressed(input_field_seq(analog->field, SEQ_TYPE_INCREMENT)))
{
keypressed = TRUE;
- if (analog->field->delta)
- delta += APPLY_SCALE(analog->field->delta, keyscale);
- else if (analog->lastdigital != 2)
+ if (analog->delta)
+ delta += APPLY_SCALE(analog->delta, keyscale);
+ else if (!analog->lastdigital)
/* increment only once when first pressed */
delta += APPLY_SCALE(1, keyscale);
- analog->lastdigital = 2;
+ analog->lastdigital = TRUE;
}
/* if resetting is requested, clear the accumulated position to 0 before */
@@ -2222,33 +2219,34 @@ static void frame_update_analog_field(analog_field_state *analog)
if (analog->autocenter)
{
INT32 center = APPLY_INVERSE_SENSITIVITY(analog->center, analog->sensitivity);
- if (analog->lastdigital != 0 && !keypressed)
+ if (!analog->lastdigital && !keypressed)
{
/* autocenter from positive values */
if (analog->accum >= center)
{
- analog->accum -= APPLY_SCALE(analog->field->centerdelta, analog->keyscalepos);
+ analog->accum -= APPLY_SCALE(analog->centerdelta, analog->keyscalepos);
if (analog->accum < center)
{
analog->accum = center;
- analog->lastdigital = 0;
+ analog->lastdigital = FALSE;
}
}
/* autocenter from negative values */
else
{
- analog->accum += APPLY_SCALE(analog->field->centerdelta, analog->keyscaleneg);
+ analog->accum += APPLY_SCALE(analog->centerdelta, analog->keyscaleneg);
if (analog->accum > center)
{
analog->accum = center;
- analog->lastdigital = 0;
+ analog->lastdigital = FALSE;
}
}
}
}
- else if (!keypressed)
- analog->lastdigital = 0;
+
+ if (!keypressed)
+ analog->lastdigital = FALSE;
}