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Somewhat better in galax

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meepingsnesroms
2018-09-25 14:23:24 -07:00
parent d4b5638184
commit 3aaed024fa
1 changed files with 12 additions and 5 deletions
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17
src/hardwareRegistersAccessors.c.h
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@@ -586,15 +586,22 @@ static inline void samplePwmXClk32(){
uint16_t firstLowSample;
uint8_t audioMode = registerArrayRead8(PCR) >> 2 & 0x03;
//unemulated, need to clear PWM1 FIFO values corrisponding to the amount of time that has passed
//00 = PWM1, 01 = PWM2, 10 = PWM1 | PWM2, 11 = PWM1 & PWM2
//the calculations for and/or of the 2 pins is too CPU intensive and will not be emulated
switch(audioMode){
case 0x00:
//PWM1 alone
dutyCycle = (double)pwm1FifoCurrentValue() / (registerArrayRead8(PWMP1) + 2);//0<->1
//cap at 100% duty cycle
if(dutyCycle > 1.0)
dutyCycle = 1.0;
if(pwm1FifoEntrys() != 0){
dutyCycle = (double)pwm1FifoCurrentValue() / (registerArrayRead8(PWMP1) + 2);//0<->1
//cap at 100% duty cycle
if(dutyCycle > 1.0)
dutyCycle = 1.0;
}
else{
dutyCycle = 0.0;
}
break;
case 0x01:
@@ -608,7 +615,7 @@ static inline void samplePwmXClk32(){
case 0x02:
case 0x03:
debugLog("PCR audio mode:%d not supported\n", audioMode);
dutyCycle = 0;
dutyCycle = 0.0;
break;
}