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Properly match sndBSearch 

Former-commit-id: e78182e63c
This commit is contained in:
Phillip Stephens 2023-02-28 10:49:29 -08:00
parent 23eeac0ce2
commit 58daf4d6cd
1 changed files with 14 additions and 16 deletions
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30
src/musyx/runtime/snd_service.c
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@ -95,29 +95,27 @@ s16 sndSin(u16 angle) {
}
void* sndBSearch(void* key, void* base, s32 num, s32 len, SND_COMPARE cmp) {
s32 left;
s32 right;
s32 mid;
s32 found;
u8* test;
long l; // r31
long r; // r30
long m; // r29
long c; // r28
void* ptr; // r27
if (num != 0) {
left = 1;
right = num;
l = 1;
r = num;
do {
mid = ((left + right) >> 1);
test = (u8*)(u32)base + (len * (mid - 1));
found = (*cmp)(key, test);
if (found == 0) {
return test;
// This is kind of gross....
if ((c = cmp(key, (ptr = (void*)((u32)base + len * ((m = (l + r) >> 1) - 1))))) == 0) {
return ptr;
}
if (found < 0) {
right = mid - 1;
if (c < 0) {
r = m - 1;
} else {
left = mid + 1;
l = m + 1;
}
} while (left <= right);
} while (l <= r);
}
return NULL;
}