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pokey: fix random, add clock rate to init

This commit is contained in:
dinkc64 2015-07-31 22:49:16 +00:00
parent d49c9b1aa5
commit efb74b8fc5
2 changed files with 7 additions and 6 deletions
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11
src/burn/snd/pokey.cpp
View File

@ -34,7 +34,7 @@
*
*****************************************************************************/
#include "driver.h"
#include "burnint.h"
#include "pokey.h"
/*
@ -570,14 +570,15 @@ static void rand_init(UINT8 *rng, int size, int left, int right, int add)
}
}
int PokeyInit(int sample_rate, int num, int vol, int addtostream)
int PokeyInit(int clock, int num, int vol, int addtostream)
{
int chip;
int chip, sample_rate;
memset(&intf, 0, sizeof(intf));
sample_rate = nBurnSoundRate;
intf.num = num;
intf.mixing_level[0] = vol;
intf.baseclock = FREQ_17_EXACT;
intf.baseclock = (clock) ? clock : FREQ_17_EXACT;
intf.addtostream = addtostream;
poly9 = (UINT8 *)malloc(0x1ff+1);
@ -883,7 +884,7 @@ int pokey_register_r(int chip, int offs)
****************************************************************/
if( p->SKCTL & SK_RESET )
{
UINT32 adjust = (UINT32)(/*timer_timeelapsed(p->rtimer)*/1234 * intf.baseclock);
UINT32 adjust = (UINT32)(/*timer_timeelapsed(p->rtimer)*/rand() /*dink*/ * intf.baseclock);
p->r9 = (p->r9 + adjust) % 0x001ff;
p->r17 = (p->r17 + adjust) % 0x1ffff;
if( p->AUDCTL & POLY9 )

2
src/burn/snd/pokey.h
View File

@ -98,7 +98,7 @@ struct POKEYinterface {
};
int PokeyInit (int sample_rate, int num, int vol, int addtostream);
int PokeyInit (int clock, int num, int vol, int addtostream);
void PokeyExit (void);
void pokey_update(int num, INT16 *buffer, int length);