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konamigt/rf2 slight improvement to analog

This commit is contained in:
dinkc64 2018-04-20 00:55:41 +00:00
parent 00297a632e
commit 0aab0dea2d
1 changed files with 6 additions and 6 deletions
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12
src/burn/drv/konami/d_nemesis.cpp
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@ -66,7 +66,7 @@ static UINT8 DrvJoy4[16];
static UINT8 DrvDips[4];
static UINT8 DrvReset;
static UINT16 DrvInputs[4];
static INT32 DrvAnalogPort0 = 0;
static INT16 DrvAnalogPort0 = 0;
static INT16 DrvDial1;
static INT32 ay8910_enable = 0;
@ -1249,12 +1249,12 @@ static UINT32 scalerange(UINT32 x, UINT32 in_min, UINT32 in_max, UINT32 out_min,
static UINT8 konamigt_read_wheel()
{
UINT8 Temp = 0x7f + (DrvAnalogPort0 >> 4);
UINT8 Temp2 = 0;
INT16 Temp = 0x80 + (DrvAnalogPort0 / 16); // - for reversed, + for normal
if (Temp < 0x3f) Temp = 0x3f; // clamping for happy scalerange()
if (Temp > 0xbf) Temp = 0xbf;
Temp = scalerange(Temp, 0x3f, 0xbf, 0x00, 0x7f);
Temp2 = scalerange(Temp, 0x3f, 0xc0, 0x00, 0x7f); // konami gt scalings
//bprintf(0, _T("Port0-temp[%X] scaled[%X]\n"), Temp, Temp2); // debug, do not remove.
return Temp2;
return Temp;
}
static UINT16 konamigt_read_analog(int /*Offset*/)