NINTV-DS/arm9/source/main.cpp

103 lines
2.8 KiB
C++

// =====================================================================================
// Copyright (c) 2021-2024 Dave Bernazzani (wavemotion-dave)
//
// Copying and distribution of this emulator, its source code and associated
// readme files, with or without modification, are permitted in any medium without
// royalty provided the this copyright notice is used and wavemotion-dave (NINTV-DS)
// and Kyle Davis (BLISS) are thanked profusely.
//
// The NINTV-DS emulator is offered as-is, without any warranty.
// =====================================================================================
#include <nds.h>
#include <fat.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include "nintv-ds.h"
#include "highscore.h"
#include "Memory.h"
// ------------------------------------------------------------------------
// If we are being passed a file on the command line - we store it here.
// ------------------------------------------------------------------------
char file[64];
UINT32 MAX_ROM_FILE_SIZE = 0;
UINT8 *bin_image_buf = NULL;
UINT16 *bin_image_buf16 = NULL;
// --------------------------------------------------------
// DSi default is 15KHz but we reduce this for DS mode...
// --------------------------------------------------------
UINT16 __attribute__((section(".dtcm"))) mySoundFrequency = 15360;
int main(int argc, char **argv)
{
// Init sound
consoleDemoInit();
soundEnable();
lcdMainOnTop();
// Init Fat
if (!fatInitDefault())
{
iprintf("Unable to initialize libfat!\n");
return -1;
}
srand(time(0));
mySoundFrequency = 14040; // Reasonably good quality and divides evenly into our CPU and Audio Processor clocks
MAX_ROM_FILE_SIZE = (1024 * 1024); // Simply massive... Covers everything known to mankind.
bin_image_buf = new UINT8[MAX_ROM_FILE_SIZE];
bin_image_buf16 = (UINT16*)bin_image_buf;
// Init Timer
dsInitTimer();
// Setup the main screen handling
dsInitScreenMain();
// Init the high-score tables...
highscore_init();
// Handle command line argument... mostly for TWL++
if (argc > 1)
{
// We want to start in the directory where the file is being launched...
if (strchr(argv[1], '/') != NULL)
{
char path[128];
strcpy(path, argv[1]);
char *ptr = &path[strlen(path)-1];
while (*ptr != '/') ptr--;
ptr++;
strcpy(file, ptr);
*ptr=NULL;
chdir(path);
}
else
{
strcpy(file, argv[1]);
}
// Main loop of emulation - with initial file
dsMainLoop(file);
}
else
{
// Main loop of emulation - no initial file
dsMainLoop(NULL);
}
// Free memory to be correct
dsFreeEmu();
return 0;
}
// End of file