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driveclick.cpp: support bigendian CPUs + minor cleanups

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This commit is contained in:
Frode Solheim 2014-07-13 12:31:11 +02:00
parent d382cccffe
commit aecf83d3e8
1 changed files with 14 additions and 7 deletions
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21
driveclick.cpp
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@ -50,7 +50,15 @@ uae_s16 *decodewav (uae_u8 *s, int *lenp)
s += 4;
len = s[0] | (s[1] << 8) | (s[2] << 16) | (s[3] << 24);
dst = xmalloc (uae_s16, len / 2);
#ifdef WORDS_BIGENDIAN
int8_t *dst8 = (int8_t *) dst;
for (int i = 0; i < len; i += 2) {
dst8[i] = s[i + 1];
dst8[i + 1] = s[i];
}
#else
memcpy (dst, s + 4, len);
#endif
*lenp = len / 2;
return dst;
}
@ -96,14 +104,13 @@ static void freesample (struct drvsample *s)
static void processclicks (struct drvsample *ds)
{
unsigned int n = 0;
unsigned int nClick = 0;
for (n = 0; n < CLICK_TRACKS; n++) {
for (int n = 0; n < CLICK_TRACKS; n++) {
ds->indexes[n] = 0;
ds->lengths[n] = 0;
}
for(n = 0; n < ds->len; n++) {
for(int n = 0; n < ds->len; n++) {
uae_s16 smp = ds->p[n];
if (smp > 0x6ff0 && nClick < CLICK_TRACKS) {
ds->indexes[nClick] = n - 128;
@ -113,19 +120,19 @@ static void processclicks (struct drvsample *ds)
}
}
if (nClick == 0) {
for(n = 0; n < CLICK_TRACKS; n++) {
for(int n = 0; n < CLICK_TRACKS; n++) {
ds->indexes[n] = 0;
ds->lengths[n] = ds->len;
}
} else {
if (nClick == 1) {
ds->lengths[0] = ds->len - ds->indexes[0];
for(n = 1; n < CLICK_TRACKS; n++) {
for(int n = 1; n < CLICK_TRACKS; n++) {
ds->indexes[n] = ds->indexes[0];
ds->lengths[n] = ds->lengths[0];
}
} else {
for(n = nClick; n < CLICK_TRACKS; n++) {
for(int n = nClick; n < CLICK_TRACKS; n++) {
ds->indexes[n] = ds->indexes[nClick-1];
ds->lengths[n] = ds->lengths[nClick-1];
}
@ -147,8 +154,8 @@ void driveclick_init (void)
drvs[i][DS_CLICK].lengths[j] = 0;
}
if (fs->dfxclick) {
v = 0;
if (fs->dfxclick > 0) {
v = 0;
switch(fs->dfxclick)
{
case 1: