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OdysseyGameCore.m
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OdysseyGameCore.m
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/*
Copyright (c) 2022, Provenance EMU Team
*/
#import "OdysseyGameCore.h"
//#import "OEOdyssey2SystemResponderClient.h"
@import PVSupport.Swift;
//b#import <PVSupport/PVSupport-Swift.h>
#if __has_include(<OpenGL/OpenGL.h>)
#import <OpenGL/gl3.h>
#import <OpenGL/gl3ext.h>
#import <OpenGL/OpenGL.h>
#import <GLUT/GLUT.h>
#else
#import <OpenGLES/ES3/gl.h>
#import <OpenGLES/ES3/glext.h>
#endif
#if __has_include(<UIKit/UIKeyConstants.h>)
#import <UIKit/UIKeyConstants.h>
#endif
#import "crc32.h"
#import "audio.h"
#import "vmachine.h"
#import "config.h"
#import "vdc.h"
// This include creates duplicate symbols due to statics in headers.
// Forward declaring instead
//#import "cpu.h"
extern void init_cpu(void);
extern void cpu_exec(void);
extern void ext_IRQ(void);
extern void tim_IRQ(void);
extern void make_psw_debug(void);
//#import "debug.h"
#import "keyboard.h"
#import "voice.h"
#import "vpp.h"
//#import "types.h"
#import "wrapalleg.h"
#import "score.h"
#import "libretro.h"
@interface OdysseyGameCore () <PVOdyssey2SystemResponderClient>
{
}
@end
//uint16_t mbmp[EMUWIDTH * EMUHEIGHT];
//unsigned short int mbmp[TEX_WIDTH * TEX_HEIGHT];
uint16_t *mbmp;
short signed int SNDBUF[1024*2];
uint8_t soundBuffer[1056];
int SND;
int RLOOP=0;
void update_joy(void){
}
int contax, o2flag, g74flag, c52flag, jopflag, helpflag;
unsigned long crcx = ~0;
static char bios[MAXC], scshot[MAXC], xrom[MAXC], romdir[MAXC], xbios[MAXC],
biosdir[MAXC], arkivo[MAXC][MAXC], biossux[MAXC], romssux[MAXC],
odyssey2[MAXC], g7400[MAXC], c52[MAXC], jopac[MAXC], file_l[MAXC], bios_l[MAXC],
file_v[MAXC],scorefile[MAXC], statefile[MAXC], path2[MAXC];
extern void retro_destroybmp(void);
static long filesize(FILE *stream){
long curpos, length;
curpos = ftell(stream);
fseek(stream, 0L, SEEK_END);
length = ftell(stream);
fseek(stream, curpos, SEEK_SET);
return length;
}
static int load_bios(const char *biosname){
FILE *fn;
static char s[MAXC+10];
unsigned long crc;
int i;
if ((biosname[strlen(biosname)-1]=='/') ||
(biosname[strlen(biosname)-1]=='\\') ||
(biosname[strlen(biosname)-1]==':')) {
strcpy(s,biosname);
strcat(s,odyssey2);
fn = fopen(s,"rb");
if (!fn) {
strcpy(s,biosname);
strcat(s,odyssey2);
fn = fopen(s,"rb");
}
} else {
strcpy(s,biosname);
fn = fopen(biosname,"rb");
}
if (!fn) {
fprintf(stderr,"Error loading bios ROM (%s)\n",s);
return EXIT_FAILURE;
}
if (fread(rom_table[0],1024,1,fn) != 1) {
fprintf(stderr,"Error loading bios ROM %s\n",odyssey2);
return EXIT_FAILURE;
}
strcpy(s,biosname);
fn = fopen(biosname,"rb");
if (!fn) {
fprintf(stderr,"Error loading bios ROM (%s)\n",s);
return EXIT_FAILURE;
}
if (fread(rom_table[0],1024,1,fn) != 1) {
fprintf(stderr,"Error loading bios ROM %s\n",odyssey2);
return EXIT_FAILURE;
}
fclose(fn);
for (i=1; i<8; i++) memcpy(rom_table[i],rom_table[0],1024);
crc = crc32_buf(rom_table[0],1024);
if (crc==0x8016A315) {
printf("Odyssey2 bios ROM loaded\n");
app_data.vpp = 0;
app_data.bios = ROM_O2;
} else if (crc==0xE20A9F41) {
printf("Videopac+ G7400 bios ROM loaded\n");
app_data.vpp = 1;
app_data.bios = ROM_G7400;
} else if (crc==0xA318E8D6) {
if (!((!o2flag)&&(c52flag))) printf("C52 bios ROM loaded\n"); else printf("Ok\n");
app_data.vpp = 0;
app_data.bios = ROM_C52;
} else if (crc==0x11647CA5) {
if (g74flag) printf("Jopac bios ROM loaded\n"); else printf(" Ok\n");
app_data.vpp = 1;
app_data.bios = ROM_JOPAC;
} else {
printf("Bios ROM loaded (unknown version)\n");
app_data.vpp = 0;
app_data.bios = ROM_UNKNOWN;
}
return EXIT_SUCCESS;
}
static int load_cart(const char *file){
FILE *fn;
long l;
int i, nb;
app_data.crc = crc32_file(file);
if (app_data.crc == 0xAFB23F89) app_data.exrom = 1; /* Musician */
if (app_data.crc == 0x3BFEF56B) app_data.exrom = 1; /* Four in 1 Row! */
if (app_data.crc == 0x9B5E9356) app_data.exrom = 1; /* Four in 1 Row! (french) */
if (((app_data.crc == 0x975AB8DA) || (app_data.crc == 0xE246A812)) && (!app_data.debug)) {
fprintf(stderr,"Error: file %s is an incomplete ROM dump\n",file_v);
return EXIT_FAILURE;
}
fn=fopen(file,"rb");
if (!fn) {
fprintf(stderr,"Error loading %s\n",file_v);
return EXIT_FAILURE;
}
printf("Loading: \"%s\" Size: ",file_v);
l = filesize(fn);
if ((l % 1024) != 0) {
fprintf(stderr,"Error: file %s is an invalid ROM dump\n",file_v);
return EXIT_FAILURE;
}
/* special MegaCART design by Soeren Gust */
if ((l == 32768) || (l == 65536) || (l == 131072) || (l == 262144) || (l == 524288) || (l == 1048576)) {
app_data.megaxrom = 1;
app_data.bank = 1;
megarom = malloc(1048576);
if (megarom == NULL) {
fprintf(stderr, "Out of memory loading %s\n", file);
return EXIT_FAILURE;
}
if (fread(megarom, l, 1, fn) != 1) {
fprintf(stderr,"Error loading %s\n",file);
return EXIT_FAILURE;
}
/* mirror shorter files into full megabyte */
if (l < 65536) memcpy(megarom+32768,megarom,32768);
if (l < 131072) memcpy(megarom+65536,megarom,65536);
if (l < 262144) memcpy(megarom+131072,megarom,131072);
if (l < 524288) memcpy(megarom+262144,megarom,262144);
if (l < 1048576) memcpy(megarom+524288,megarom,524288);
/* start in bank 0xff */
memcpy(&rom_table[0][1024], megarom + 4096*255 + 1024, 3072);
printf("MegaCart %ldK", l / 1024);
nb = 1;
} else if (((l % 3072) == 0))
{
app_data.three_k = 1;
nb = l/3072;
for (i=nb-1; i>=0; i--) {
if (fread(&rom_table[i][1024],3072,1,fn) != 1) {
fprintf(stderr,"Error loading %s\n",file);
return EXIT_FAILURE;
}
}
printf("%dK",nb*3);
} else {
nb = l/2048;
if ((nb == 2) && (app_data.exrom)) {
if (fread(&extROM[0], 1024,1,fn) != 1) {
fprintf(stderr,"Error loading %s\n",file);
return EXIT_FAILURE;
}
if (fread(&rom_table[0][1024],3072,1,fn) != 1) {
fprintf(stderr,"Error loading %s\n",file);
return EXIT_FAILURE;
}
printf("3K EXROM");
} else {
for (i=nb-1; i>=0; i--) {
if (fread(&rom_table[i][1024],2048,1,fn) != 1) {
fprintf(stderr,"Error loading %s\n",file);
return EXIT_FAILURE;
}
memcpy(&rom_table[i][3072],&rom_table[i][2048],1024); /* simulate missing A10 */
}
printf("%dK",nb*2);
}
}
fclose(fn);
rom = rom_table[0];
if (nb==1)
app_data.bank = 1;
else if (nb==2)
app_data.bank = app_data.exrom ? 1 : 2;
else if (nb==4)
app_data.bank = 3;
else
app_data.bank = 4;
if ((rom_table[nb-1][1024+12]=='O') && (rom_table[nb-1][1024+13]=='P') && (rom_table[nb-1][1024+14]=='N') && (rom_table[nb-1][1024+15]=='B')) app_data.openb=1;
printf(" CRC: %08lX\n",app_data.crc);
return EXIT_SUCCESS;
}
//int suck_bios()
//{
// int i;
// for (i=0; i<contax; ++i)
// {
// strcpy(biossux,biosdir);
// strcat(biossux,arkivo[i]);
// identify_bios(biossux);
// }
// return(0);
//}
/********************* Search ROM */
//int suck_roms()
//{
// int i;
// rom_f = 1;
// for (i=0; i<contax; ++i)
// {
// strcpy(romssux,romdir);
// strcat(romssux,arkivo[i]);
// app_data.crc = crc32_file(romssux);
// if (app_data.crc == crcx)
// {
// if ((app_data.crc == 0xD7089068)||(app_data.crc == 0xB0A7D723)||
// (app_data.crc == 0x0CA26992)||(app_data.crc == 0x0B6EB25B)||
// (app_data.crc == 0x06861A9C)||(app_data.crc == 0xB2F0F0B4)||
// (app_data.crc == 0x68560DC7)||(app_data.crc == 0x0D2D721D)||
// (app_data.crc == 0xC4134DF8)||(app_data.crc == 0xA75C42F8))
// rom_f = 0;
// }
// }
// return(0);
//}
/********************* Ready BIOS */
//int identify_bios(char *biossux)
//{
// app_data.crc = crc32_file(biossux);
// if (app_data.crc == 0x8016A315){
// strcpy(odyssey2, biossux);
// o2flag = 1;
// }
// if (app_data.crc == 0xE20A9F41){
// strcpy(g7400, biossux);
// g74flag = 1;
// }
// if (app_data.crc == 0xA318E8D6){
// strcpy(c52, biossux);
// c52flag = 1;
// }
// if (app_data.crc == 0x11647CA5){
// strcpy(jopac, biossux);
// jopflag = 1;
// }
// return(0);
//}
@implementation OdysseyGameCore
- (instancetype)init {
if((self = [super init])) {
virtualPhysicalKeyMap = @{
@(UIKeyboardHIDUsageKeypad0) : @(RETROK_KP0),
@(UIKeyboardHIDUsageKeypad1) : @(RETROK_KP1),
@(UIKeyboardHIDUsageKeypad2) : @(RETROK_KP2),
@(UIKeyboardHIDUsageKeypad3) : @(RETROK_KP3),
@(UIKeyboardHIDUsageKeypad4) : @(RETROK_KP4),
@(UIKeyboardHIDUsageKeypad5) : @(RETROK_KP5),
@(UIKeyboardHIDUsageKeypad6) : @(RETROK_KP6),
@(UIKeyboardHIDUsageKeypad7) : @(RETROK_KP7),
@(UIKeyboardHIDUsageKeypad8) : @(RETROK_KP8),
@(UIKeyboardHIDUsageKeypad9) : @(RETROK_KP9),
@(UIKeyboardHIDUsageKeyboard0) : @(RETROK_0),
@(UIKeyboardHIDUsageKeyboard1) : @(RETROK_1),
@(UIKeyboardHIDUsageKeyboard2) : @(RETROK_2),
@(UIKeyboardHIDUsageKeyboard3) : @(RETROK_3),
@(UIKeyboardHIDUsageKeyboard4) : @(RETROK_4),
@(UIKeyboardHIDUsageKeyboard5) : @(RETROK_5),
@(UIKeyboardHIDUsageKeyboard6) : @(RETROK_6),
@(UIKeyboardHIDUsageKeyboard7) : @(RETROK_7),
@(UIKeyboardHIDUsageKeyboard8) : @(RETROK_8),
@(UIKeyboardHIDUsageKeyboard9) : @(RETROK_9),
@(UIKeyboardHIDUsageKeyboardA) : @(RETROK_a),
@(UIKeyboardHIDUsageKeyboardB) : @(RETROK_b),
@(UIKeyboardHIDUsageKeyboardC) : @(RETROK_c),
@(UIKeyboardHIDUsageKeyboardD) : @(RETROK_d),
@(UIKeyboardHIDUsageKeyboardE) : @(RETROK_e),
@(UIKeyboardHIDUsageKeyboardF) : @(RETROK_f),
@(UIKeyboardHIDUsageKeyboardG) : @(RETROK_g),
@(UIKeyboardHIDUsageKeyboardH) : @(RETROK_h),
@(UIKeyboardHIDUsageKeyboardI) : @(RETROK_i),
@(UIKeyboardHIDUsageKeyboardJ) : @(RETROK_j),
@(UIKeyboardHIDUsageKeyboardK) : @(RETROK_k),
@(UIKeyboardHIDUsageKeyboardL) : @(RETROK_l),
@(UIKeyboardHIDUsageKeyboardM) : @(RETROK_m),
@(UIKeyboardHIDUsageKeyboardN) : @(RETROK_n),
@(UIKeyboardHIDUsageKeyboardO) : @(RETROK_o),
@(UIKeyboardHIDUsageKeyboardP) : @(RETROK_p),
@(UIKeyboardHIDUsageKeyboardQ) : @(RETROK_q),
@(UIKeyboardHIDUsageKeyboardR) : @(RETROK_r),
@(UIKeyboardHIDUsageKeyboardS) : @(RETROK_s),
@(UIKeyboardHIDUsageKeyboardT) : @(RETROK_t),
@(UIKeyboardHIDUsageKeyboardU) : @(RETROK_u),
@(UIKeyboardHIDUsageKeyboardV) : @(RETROK_v),
@(UIKeyboardHIDUsageKeyboardW) : @(RETROK_w),
@(UIKeyboardHIDUsageKeyboardX) : @(RETROK_x),
@(UIKeyboardHIDUsageKeyboardY) : @(RETROK_y),
@(UIKeyboardHIDUsageKeyboardZ) : @(RETROK_z),
@(UIKeyboardHIDUsageKeypadAsterisk) : @(RETROK_KP_MULTIPLY),
@(UIKeyboardHIDUsageKeypadEnter) : @(RETROK_KP_ENTER),
@(UIKeyboardHIDUsageKeypadEqualSign) : @(RETROK_KP_EQUALS),
@(UIKeyboardHIDUsageKeypadPlus) : @(RETROK_KP_PLUS),
@(UIKeyboardHIDUsageKeypadHyphen) : @(RETROK_KP_MINUS),
@(UIKeyboardHIDUsageKeypadComma) : @(RETROK_COMMA),
@(UIKeyboardHIDUsageKeypadPeriod) : @(RETROK_KP_PERIOD),
@(UIKeyboardHIDUsageKeypadSlash) : @(RETROK_KP_DIVIDE),
@(UIKeyboardHIDUsageKeyboardScrollLock) : @(RETROK_SCROLLOCK),
@(UIKeyboardHIDUsageKeyboardCapsLock) : @(RETROK_CAPSLOCK),
@(UIKeyboardHIDUsageKeypadNumLock) : @(RETROK_NUMLOCK),
@(UIKeyboardHIDUsageKeyboardSpacebar) : @(RETROK_SPACE),
@(UIKeyboardHIDUsageKeyboardDeleteOrBackspace) : @(RETROK_BACKSPACE),
@(UIKeyboardHIDUsageKeyboardGraveAccentAndTilde) : @(RETROK_QUOTE),
@(UIKeyboardHIDUsageKeyboardDeleteForward) : @(RETROK_DELETE),
@(UIKeyboardHIDUsageKeyboardTab) : @(RETROK_TAB),
@(UIKeyboardHIDUsageKeyboardPause) : @(RETROK_PAUSE),
// @(UIKeyboardHIDUsageKeyboardSlash) : @(RETROK_QUESTION),
@(UIKeyboardHIDUsageKeyboardPeriod) : @(RETROK_PERIOD),
@(UIKeyboardHIDUsageKeyboardReturnOrEnter) : @(RETROK_RETURN),
@(UIKeyboardHIDUsageKeyboardHyphen) : @(RETROK_MINUS),
@(UIKeyboardHIDUsageKeyboardSlash) : @(RETROK_SLASH),
@(UIKeyboardHIDUsageKeyboardOpenBracket) : @(RETROK_LEFTBRACKET),
@(UIKeyboardHIDUsageKeyboardBackslash) : @(RETROK_BACKSLASH),
// @(UIKeyboardHIDUsageKeyboardBackslash) : @(RETROK_BAR), // |
@(UIKeyboardHIDUsageKeyboardCloseBracket) : @(RETROK_RIGHTBRACKET),
@(UIKeyboardHIDUsageKeyboardQuote) : @(RETROK_QUOTEDBL),
@(UIKeyboardHIDUsageKeyboardLeftAlt) : @(RETROK_LALT),
@(UIKeyboardHIDUsageKeyboardLeftGUI) : @(RETROK_LMETA), // RETROK_LSUPER
@(UIKeyboardHIDUsageKeyboardLeftShift) : @(RETROK_LSHIFT),
@(UIKeyboardHIDUsageKeyboardLeftControl) : @(RETROK_LCTRL),
@(UIKeyboardHIDUsageKeyboardRightAlt) : @(RETROK_RALT),
@(UIKeyboardHIDUsageKeyboardRightGUI) : @(RETROK_RMETA),
@(UIKeyboardHIDUsageKeyboardRightShift) : @(RETROK_RSHIFT),
@(UIKeyboardHIDUsageKeyboardRightControl) : @(RETROK_RCTRL),
@(UIKeyboardHIDUsageKeyboardLeftArrow) : @(RETROK_LEFT),
@(UIKeyboardHIDUsageKeyboardRightArrow) : @(RETROK_RIGHT),
@(UIKeyboardHIDUsageKeyboardUpArrow) : @(RETROK_UP),
@(UIKeyboardHIDUsageKeyboardDownArrow) : @(RETROK_DOWN),
@(UIKeyboardHIDUsageKeyboardF1) : @(RETROK_F1),
@(UIKeyboardHIDUsageKeyboardF2) : @(RETROK_F2),
@(UIKeyboardHIDUsageKeyboardF3) : @(RETROK_F3),
@(UIKeyboardHIDUsageKeyboardF4) : @(RETROK_F4),
@(UIKeyboardHIDUsageKeyboardF5) : @(RETROK_F5),
@(UIKeyboardHIDUsageKeyboardF6) : @(RETROK_F6),
@(UIKeyboardHIDUsageKeyboardF7) : @(RETROK_F7),
@(UIKeyboardHIDUsageKeyboardF8) : @(RETROK_F8),
@(UIKeyboardHIDUsageKeyboardF9) : @(RETROK_F9),
@(UIKeyboardHIDUsageKeyboardF10) : @(RETROK_F10),
@(UIKeyboardHIDUsageKeyboardF11) : @(RETROK_F11),
@(UIKeyboardHIDUsageKeyboardF12) : @(RETROK_F12),
@(UIKeyboardHIDUsageKeyboardF13) : @(RETROK_F13),
@(UIKeyboardHIDUsageKeyboardF14) : @(RETROK_F14),
@(UIKeyboardHIDUsageKeyboardF15) : @(RETROK_F15),
@(UIKeyboardHIDUsageKeyboardHelp) : @(RETROK_HELP),
@(UIKeyboardHIDUsageKeyboardPrintScreen) : @(RETROK_PRINT),
@(UIKeyboardHIDUsageKeyboardUndo) : @(RETROK_UNDO),
@(UIKeyboardHIDUsageKeyboardPageUp) : @(RETROK_PAGEUP),
@(UIKeyboardHIDUsageKeyboardPageDown) : @(RETROK_PAGEDOWN),
@(UIKeyboardHIDUsageKeyboardInsert) : @(RETROK_INSERT),
@(UIKeyboardHIDUsageKeyboardHome) : @(RETROK_HOME),
@(UIKeyboardHIDUsageKeyboardEnd) : @(RETROK_END),
@(UIKeyboardHIDUsageKeyboardPower) : @(RETROK_POWER),
@(UIKeyboardHIDUsageKeyboardMenu) : @(RETROK_MENU),
@(UIKeyboardHIDUsageKeyboardClearOrAgain) : @(RETROK_CLEAR),
// TODO: There's more codes to add if you want 100%
};
}
return self;
}
- (void)dealloc {
close_audio();
close_voice();
close_display();
retro_destroybmp();
if(mbmp) { free(mbmp); }
}
#pragma mark - Execution
-(NSString*)systemIdentifier {
return @"com.provenance.odyssey2";
}
-(NSString*)biosDirectoryPath {
return self.BIOSPath;
}
- (BOOL)loadFileAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
RLOOP=1;
static char file[MAXC], attr[MAXC], val[MAXC], *p, *binver;
app_data.debug = 0;
app_data.stick[0] = app_data.stick[1] = 1;
app_data.sticknumber[0] = app_data.sticknumber[1] = 0;
set_defjoykeys(0,0);
set_defjoykeys(1,1);
set_defsystemkeys();
app_data.bank = 0;
app_data.limit = 1;
app_data.sound_en = 1;
app_data.speed = 100;
app_data.wsize = 2;
app_data.fullscreen = 0;
app_data.scanlines = 0;
app_data.voice = 1;
app_data.window_title = "O2EM v" O2EM_VERSION;
app_data.svolume = 100;
app_data.vvolume = 100;
app_data.filter = 0;
app_data.exrom = 0;
app_data.three_k = 0;
app_data.crc = 0;
app_data.scshot = scshot;
app_data.statefile = statefile;
app_data.euro = 0;
app_data.openb = 0;
app_data.vpp = 0;
app_data.bios = 0;
app_data.scoretype = 0;
app_data.scoreaddress = 0;
app_data.default_highscore = 0;
app_data.breakpoint = 65535;
app_data.megaxrom = 0;
strcpy(file,"");
strcpy(file_l,"");
strcpy(bios_l,"");
strcpy(bios,"");
strcpy(scshot,"");
strcpy(statefile,"");
strcpy(xrom,"");
strcpy(scorefile,"highscore.txt");
//read_default_config();
init_audio();
app_data.crc = crc32_file([path fileSystemRepresentation]);
//suck_bios();
o2flag = 1;
crcx = app_data.crc;
//suck_roms();
NSString *biosROM = [[self BIOSPath] stringByAppendingPathComponent:@"o2rom.bin"];
int status = EXIT_SUCCESS;
status = load_bios([biosROM fileSystemRepresentation]);
if (status == EXIT_FAILURE) {
ELOG(@"Failed to open file");
if(error != NULL) {
NSDictionary *userInfo = @{
NSLocalizedDescriptionKey: @"Failed to load bios.",
NSLocalizedFailureReasonErrorKey: @"Odyssey2 failed to load BIOS.",
NSLocalizedRecoverySuggestionErrorKey: @"Check that file isn't corrupt and in format Odyssey2 supports."
};
NSError *newError = [NSError errorWithDomain:PVEmulatorCoreErrorDomain
code:PVEmulatorCoreErrorCodeCouldNotLoadRom
userInfo:userInfo];
*error = newError;
}
return NO;
}
status = load_cart([path fileSystemRepresentation]);
if (status == EXIT_FAILURE) {
ELOG(@"Failed to open file");
if(error != NULL) {
NSDictionary *userInfo = @{
NSLocalizedDescriptionKey: @"Failed to load rom.",
NSLocalizedFailureReasonErrorKey: @"Odyssey2 failed to load rom.",
NSLocalizedRecoverySuggestionErrorKey: @"Check that file isn't corrupt and in format Odyssey2 supports."
};
NSError *newError = [NSError errorWithDomain:PVEmulatorCoreErrorDomain
code:PVEmulatorCoreErrorCodeCouldNotLoadRom
userInfo:userInfo];
*error = newError;
}
return NO;
}
//if (app_data.voice) load_voice_samples(path2);
init_display();
init_cpu();
init_system();
set_score(app_data.scoretype, app_data.scoreaddress, app_data.default_highscore);
return YES;
}
- (void)executeFrameSkippingFrame: (BOOL) skip {
// if (self.controller1 || self.controller2) {
// [self pollControllers];
// }
//run();
cpu_exec();
int len = evblclk == EVBLCLK_NTSC ? 44100/60 : 44100/50;
// Convert 8u to 16s
if(!skip) {
for(int i = 0; i < len; i++)
{
int16_t sample16 = (soundBuffer[i] - 128 ) << 8;
[[self ringBufferAtIndex:0] write:&sample16 maxLength:2];
}
}
RLOOP=1;
}
- (void)executeFrame {
[self executeFrameSkippingFrame:NO];
}
- (void)resetEmulation {
init_cpu();
init_roms();
init_vpp();
clearscr();
if (mbmp) {
free(mbmp);
mbmp = nil;
}
}
//- (void)stopEmulation
//{
// RLOOP = 0;
// [super stopEmulation];
//}
@end