Super Mario 64 OpenGL port for PC. Mirror of https://github.com/sm64pc/sm64pc https://github.com/sm64pc/sm64pc
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160 lines
3.5 KiB

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