mirror/oot
1
0
Fork 0
mirror of https://github.com/zeldaret/oot.git synced 2024-12-28 07:46:18 +00:00
Code Issues Projects Releases Wiki Activity

Remove unused libultra C file (#476)

Browse source
This commit is contained in:
Roman971 2020-11-16 04:41:40 +01:00 committed by GitHub
parent c902175d5a
commit 888db95a4c
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 0 additions and 65 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

65
src/libultra_code_O2/osMempakAddrCRC.c
View file

@ -1,65 +0,0 @@
#include "global.h"
// Valid addr up to 0x7FF
// It's the address of a block of 0x20 bytes in the mempak
// So that means the whole mempak has a 16-bit address space
u8 __osContAddressCrc(u16 addr) {
u32 addr32 = addr;
u32 ret = 0;
u32 bit;
s32 i;
for (bit = 0x400; bit; bit /= 2) {
ret *= 2;
if (addr32 & bit) {
if (ret & 0x20) {
ret ^= 0x14;
} else {
++ret;
}
} else {
if (ret & 0x20) {
ret ^= 0x15;
}
}
}
for (i = 0; i < 5; ++i) {
ret <<= 1;
if (ret & 0x20) {
ret ^= 0x15;
}
}
return ret & 0x1f;
}
u8 __osContDataCrc(u8* data) {
s32 ret;
u32 bit;
u32 byte;
ret = 0;
for (byte = 0x20; byte; --byte, ++data) {
for (bit = 0x80; bit; bit /= 2) {
ret *= 2;
if ((*data & bit) != 0) {
if ((ret & 0x100) != 0) {
ret ^= 0x84;
} else {
++ret;
}
} else {
if (ret & 0x100) {
ret ^= 0x85;
}
}
}
}
do {
ret *= 2;
if (ret & 0x100) {
ret ^= 0x85;
}
++byte;
} while (byte < 8U);
return ret;
}