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authorTharo <17233964+Thar0@users.noreply.github.com>2021-12-01 00:08:57 +0000
committerGitHub <noreply@github.com>2021-11-30 19:08:57 -0500
commitf1d183d6feac23275306bfa2dee939d123702765 (patch)
treec20585c17dea94561f7c4cfcff572e39bc033a3e /src/libultra_code_O2/__osContAddressCrc.c
parenteabc91881761a82856cca3fab9a4749c60ea1fe7 (diff)
libultra files and directories restructure (#1038)
* Restructure files, begin header restructure * Format * us2dex * Fix parallel spelling Co-authored-by: JoshDuMan <40190173+JoshDuMan@users.noreply.github.com> * Use OS_K0_TO_PHYSICAL in place of VIRTUAL_TO_PHYSICAL in osAiSetNextBuffer * Uppercase hex, exception vector address defines * Interrupt flags 1 Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com> * Interrupt flags 2 Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com> Co-authored-by: JoshDuMan <40190173+JoshDuMan@users.noreply.github.com> Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>
Diffstat (limited to 'src/libultra_code_O2/__osContAddressCrc.c')
-rw-r--r--src/libultra_code_O2/__osContAddressCrc.c62
1 files changed, 0 insertions, 62 deletions
diff --git a/src/libultra_code_O2/__osContAddressCrc.c b/src/libultra_code_O2/__osContAddressCrc.c
deleted file mode 100644
index c1af0b12c..000000000
--- a/src/libultra_code_O2/__osContAddressCrc.c
+++ /dev/null
@@ -1,62 +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 >>= 1) {
- ret <<= 1;
- 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 = 0;
- u32 bit;
- u32 byte;
-
- for (byte = 0x20; byte; --byte, ++data) {
- for (bit = 0x80; bit; bit >>= 1) {
- ret <<= 1;
- if ((*data & bit) != 0) {
- if ((ret & 0x100) != 0) {
- ret ^= 0x84;
- } else {
- ++ret;
- }
- } else if (ret & 0x100) {
- ret ^= 0x85;
- }
- }
- }
- do {
- ret <<= 1;
- if (ret & 0x100) {
- ret ^= 0x85;
- }
- ++byte;
- } while (byte < 8U);
-
- return ret;
-}