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Improve DSiWare save generation

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Pk11 2022-02-21 23:57:02 -06:00
parent 682b570ef7
commit 586d30fafa
1 changed files with 16 additions and 12 deletions
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28
arm9/source/game/nds.c
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@ -55,21 +55,25 @@ u32 BuildTwlSaveHeader(void* sav, u32 size) {
u16 n_sct = 1;
u16 sct_track = 1;
u16 sct_heads = 1;
while (true) {
if (sct_heads < sct_track) {
u16 n_sct_next = sct_track * (sct_heads+1) * (sct_heads+1);
if (n_sct_next < n_sct_max) {
sct_heads++;
u16 n_sct_next = 0;
while (n_sct_next <= n_sct_max) {
n_sct_next = sct_track * (sct_heads + 1) * (sct_heads + 1);
if (n_sct_next <= n_sct_max) {
sct_heads++;
n_sct = n_sct_next;
sct_track++;
n_sct_next = sct_track * sct_heads * sct_heads;
if (n_sct_next <= n_sct_max) {
n_sct = n_sct_next;
} else break;
} else {
u16 n_sct_next = (sct_track+1) * sct_heads * sct_heads;
if (n_sct_next < n_sct_max) {
sct_track++;
n_sct = n_sct_next;
} else break;
}
}
}
n_sct_next = (sct_track + 1) * sct_heads * sct_heads;
if (n_sct_next <= n_sct_max) {
sct_track++;
n_sct = n_sct_next;
}
// sectors per cluster (should be identical to Nintendo)
u8 clr_size = (n_sct > 8 * 1024) ? 8 : (n_sct > 1024) ? 4 : 1;