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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24550 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andree Buschmann 2010-02-07 18:38:47 +00:00
parent bd0b7363ca
commit 4d5e88245a
18 changed files with 6267 additions and 6267 deletions
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26
apps/codecs/sid.c
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@ -179,7 +179,7 @@ unsigned char memory[65536];
/* ----------------------------------------- Variables for sample stuff */
static int sample_active IDATA_ATTR;
static int sample_position, sample_start, sample_end, sample_repeat_start IDATA_ATTR;
static int fracPos IDATA_ATTR; /* Fractal position of sample */
static int fracPos IDATA_ATTR; /* Fractal position of sample */
static int sample_period IDATA_ATTR;
static int sample_repeats IDATA_ATTR;
static int sample_order IDATA_ATTR;
@ -278,18 +278,18 @@ static inline int GenerateDigi(int sIn)
if ((sample_position < sample_end) && (sample_position >= sample_start))
{
sIn += sample;
fracPos += 985248/sample_period;
if (fracPos > mixing_frequency)
{
fracPos%=mixing_frequency;
last_sample = sample;
// N<>hstes Samples holen
last_sample = sample;
// N<>hstes Samples holen
if (sample_order == 0) {
sample_nibble++; // Nähstes Sample-Nibble
sample_nibble++; // Nähstes Sample-Nibble
if (sample_nibble==2) {
sample_nibble = 0;
sample_position++;
@ -301,24 +301,24 @@ static inline int GenerateDigi(int sIn)
sample_nibble=1;
sample_position++;
}
}
}
if (sample_repeats)
{
if (sample_position > sample_end)
{
sample_repeats--;
sample_position = sample_repeat_start;
}
}
else sample_active = 0;
}
sample = memory[sample_position&0xffff];
if (sample_nibble==1) // Hi-Nibble holen?
if (sample_nibble==1) // Hi-Nibble holen?
sample = (sample & 0xf0)>>4;
else sample = sample & 0x0f;
sample -= 7;
sample <<= 10;
sample <<= 10;
}
}
@ -1282,7 +1282,7 @@ next_track:
/* Find out if cia timing is used and how many samples
have to be calculated for each cpujsr */
int nRefreshCIA = (int)(20000*(memory[0xdc04]|(memory[0xdc05]<<8))/0x4c00);
int nRefreshCIA = (int)(20000*(memory[0xdc04]|(memory[0xdc05]<<8))/0x4c00);
if ((nRefreshCIA==0) || (song_speed == 0))
nRefreshCIA = 20000;
nSamplesPerCall = mixing_frequency*nRefreshCIA/1000000;