161 lines
3.5 KiB
C
161 lines
3.5 KiB
C
#include <stdio.h>
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#include <string.h>
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#include "lib/src/libultra_internal.h"
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#include "macros.h"
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#ifdef TARGET_WEB
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#include <emscripten.h>
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#endif
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extern OSMgrArgs piMgrArgs;
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u64 osClockRate = 62500000;
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s32 osPiStartDma(UNUSED OSIoMesg *mb, UNUSED s32 priority, UNUSED s32 direction,
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uintptr_t devAddr, void *vAddr, size_t nbytes,
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UNUSED OSMesgQueue *mq) {
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memcpy(vAddr, (const void *) devAddr, nbytes);
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return 0;
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}
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void osSetEventMesg(UNUSED OSEvent e, UNUSED OSMesgQueue *mq, UNUSED OSMesg msg) {
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}
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s32 osJamMesg(UNUSED OSMesgQueue *mq, UNUSED OSMesg msg, UNUSED s32 flag) {
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return 0;
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}
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s32 osSendMesg(UNUSED OSMesgQueue *mq, UNUSED OSMesg msg, UNUSED s32 flag) {
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return 0;
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}
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s32 osRecvMesg(UNUSED OSMesgQueue *mq, UNUSED OSMesg *msg, UNUSED s32 flag) {
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return 0;
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}
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uintptr_t osVirtualToPhysical(void *addr) {
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return (uintptr_t) addr;
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}
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void osCreateViManager(UNUSED OSPri pri) {
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}
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void osViSetMode(UNUSED OSViMode *mode) {
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}
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void osViSetEvent(UNUSED OSMesgQueue *mq, UNUSED OSMesg msg, UNUSED u32 retraceCount) {
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}
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void osViBlack(UNUSED u8 active) {
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}
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void osViSetSpecialFeatures(UNUSED u32 func) {
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}
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void osViSwapBuffer(UNUSED void *vaddr) {
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}
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OSTime osGetTime(void) {
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return 0;
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}
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void osWritebackDCacheAll(void) {
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}
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void osWritebackDCache(UNUSED void *a, UNUSED size_t b) {
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}
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void osInvalDCache(UNUSED void *a, UNUSED size_t b) {
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}
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u32 osGetCount(void) {
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static u32 counter;
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return counter++;
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}
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s32 osAiSetFrequency(u32 freq) {
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u32 a1;
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s32 a2;
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u32 D_8033491C;
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#ifdef VERSION_EU
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D_8033491C = 0x02E6025C;
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#else
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D_8033491C = 0x02E6D354;
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#endif
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a1 = D_8033491C / (float) freq + .5f;
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if (a1 < 0x84) {
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return -1;
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}
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a2 = (a1 / 66) & 0xff;
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if (a2 > 16) {
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a2 = 16;
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}
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return D_8033491C / (s32) a1;
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}
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s32 osEepromProbe(UNUSED OSMesgQueue *mq) {
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return 1;
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}
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s32 osEepromLongRead(UNUSED OSMesgQueue *mq, u8 address, u8 *buffer, int nbytes) {
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u8 content[512];
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s32 ret = -1;
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#ifdef TARGET_WEB
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if (EM_ASM_INT({
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var s = localStorage.sm64_save_file;
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if (s && s.length === 684) {
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try {
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var binary = atob(s);
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if (binary.length === 512) {
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for (var i = 0; i < 512; i++) {
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HEAPU8[$0 + i] = binary.charCodeAt(i);
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}
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return 1;
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}
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} catch (e) {
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}
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}
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return 0;
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}, content)) {
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memcpy(buffer, content + address * 8, nbytes);
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ret = 0;
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}
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#else
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FILE *fp = fopen("sm64_save_file.bin", "rb");
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if (fp == NULL) {
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return -1;
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}
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if (fread(content, 1, 512, fp) == 512) {
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memcpy(buffer, content + address * 8, nbytes);
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ret = 0;
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}
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fclose(fp);
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#endif
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return ret;
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}
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s32 osEepromLongWrite(UNUSED OSMesgQueue *mq, u8 address, u8 *buffer, int nbytes) {
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u8 content[512] = {0};
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if (address != 0 || nbytes != 512) {
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osEepromLongRead(mq, 0, content, 512);
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}
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memcpy(content + address * 8, buffer, nbytes);
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#ifdef TARGET_WEB
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EM_ASM({
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var str = "";
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for (var i = 0; i < 512; i++) {
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str += String.fromCharCode(HEAPU8[$0 + i]);
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}
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localStorage.sm64_save_file = btoa(str);
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}, content);
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s32 ret = 0;
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#else
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FILE* fp = fopen("sm64_save_file.bin", "wb");
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if (fp == NULL) {
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return -1;
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}
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s32 ret = fwrite(content, 1, 512, fp) == 512 ? 0 : -1;
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fclose(fp);
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#endif
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return ret;
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}
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