| 1 |
/* |
| 2 |
* Emulator.mm - Class whose actions are attached to GUI widgets in a window, |
| 3 |
* used to control a single Basilisk II emulated Macintosh. |
| 4 |
* |
| 5 |
* $Id: Emulator.mm,v 1.8 2004/01/12 15:29:24 cebix Exp $ |
| 6 |
* |
| 7 |
* Basilisk II (C) 1997-2004 Christian Bauer |
| 8 |
* |
| 9 |
* This program is free software; you can redistribute it and/or modify |
| 10 |
* it under the terms of the GNU General Public License as published by |
| 11 |
* the Free Software Foundation; either version 2 of the License, or |
| 12 |
* (at your option) any later version. |
| 13 |
* |
| 14 |
* This program is distributed in the hope that it will be useful, |
| 15 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 |
* GNU General Public License for more details. |
| 18 |
* |
| 19 |
* You should have received a copy of the GNU General Public License |
| 20 |
* along with this program; if not, write to the Free Software |
| 21 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 22 |
*/ |
| 23 |
|
| 24 |
#import "Emulator.h" |
| 25 |
#import "EmulatorView.h" |
| 26 |
|
| 27 |
#import "sysdeps.h" // Types used in Basilisk C++ code |
| 28 |
|
| 29 |
#import "main_macosx.h" // Prototypes for QuitEmuNoExit() and InitEmulator() |
| 30 |
#import "misc_macosx.h" // Some other prototypes |
| 31 |
#import "video_macosx.h" // Some window/view globals |
| 32 |
|
| 33 |
#import "adb.h" |
| 34 |
#import "main.h" |
| 35 |
#import "prefs.h" |
| 36 |
#import "timer.h" |
| 37 |
|
| 38 |
#undef check // memory.h defines a check macro, clashes with an OS X one? |
| 39 |
#import <cpu_emulation.h> |
| 40 |
|
| 41 |
#define DEBUG 0 |
| 42 |
#import <debug.h> |
| 43 |
|
| 44 |
@implementation Emulator |
| 45 |
|
| 46 |
// NSWindow method, which is invoked via delegation |
| 47 |
|
| 48 |
- (BOOL) windowShouldClose: (id)sender |
| 49 |
{ |
| 50 |
if ( uaeCreated ) |
| 51 |
{ |
| 52 |
NSLog(@"windowShouldClose returning NO"); |
| 53 |
return NO; // Should initiate poweroff and return NSTerminateLater ? |
| 54 |
} |
| 55 |
|
| 56 |
NSLog(@"windowShouldClose returning YES"); |
| 57 |
return YES; |
| 58 |
} |
| 59 |
|
| 60 |
// Default methods |
| 61 |
|
| 62 |
- (Emulator *) init |
| 63 |
{ |
| 64 |
int frameSkip; |
| 65 |
|
| 66 |
self = [super init]; |
| 67 |
|
| 68 |
running = NO; // Save churn when application loads |
| 69 |
// running = YES; |
| 70 |
uaeCreated = NO; |
| 71 |
|
| 72 |
frameSkip = PrefsFindInt32("frameskip"); |
| 73 |
if ( frameSkip ) |
| 74 |
redrawDelay = frameSkip / 60.0; |
| 75 |
else |
| 76 |
redrawDelay = 0.0; |
| 77 |
|
| 78 |
// We do this so that we can work out if we are in full screen mode: |
| 79 |
parse_screen_prefs(PrefsFindString("screen")); |
| 80 |
|
| 81 |
[self createThreads]; |
| 82 |
|
| 83 |
return self; |
| 84 |
} |
| 85 |
|
| 86 |
- (void) awakeFromNib |
| 87 |
{ |
| 88 |
the_win = win; // Set global for access by Basilisk C++ code |
| 89 |
|
| 90 |
|
| 91 |
[win setDelegate: self]; // Enable windowShouldClose calling |
| 92 |
|
| 93 |
// Try to speed up everything |
| 94 |
//[win setHasShadow: NO]; // This causes view & window to now be drawn correctly |
| 95 |
[win useOptimizedDrawing: YES]; |
| 96 |
|
| 97 |
[win makeKeyAndOrderFront:self]; |
| 98 |
|
| 99 |
if ( redrawDelay ) |
| 100 |
[speed setFloatValue: 1.0 / redrawDelay]; |
| 101 |
else |
| 102 |
[speed setFloatValue: 60.0]; |
| 103 |
|
| 104 |
|
| 105 |
if ( runOrPause == nil ) |
| 106 |
NSLog(@"%s - runOrPause button pointer is nil!", __PRETTY_FUNCTION__); |
| 107 |
|
| 108 |
[self runUpdate]; |
| 109 |
} |
| 110 |
|
| 111 |
|
| 112 |
// Helpers which other classes use to access our private stuff |
| 113 |
|
| 114 |
- (BOOL) isRunning { return running; } |
| 115 |
- (BOOL) uaeCreated { return uaeCreated; } |
| 116 |
- (EmulatorView *) screen { return screen; } |
| 117 |
- (NSSlider *) speed { return speed; } |
| 118 |
- (NSWindow *) window { return win; } |
| 119 |
|
| 120 |
|
| 121 |
// Update some UI elements |
| 122 |
|
| 123 |
- (void) runUpdate |
| 124 |
{ |
| 125 |
if ( running ) |
| 126 |
[runOrPause setState: NSOnState]; // Running. Change button label to 'Pause' |
| 127 |
else |
| 128 |
[runOrPause setState: NSOffState]; // Paused. Change button label to 'Run' |
| 129 |
|
| 130 |
[win setDocumentEdited: uaeCreated]; // Set the little dimple in the close button |
| 131 |
} |
| 132 |
|
| 133 |
|
| 134 |
// Methods invoked by buttons & menu items |
| 135 |
|
| 136 |
- (IBAction) Benchmark: (id)sender; |
| 137 |
{ |
| 138 |
BOOL wasRunning = running; |
| 139 |
|
| 140 |
if ( running ) |
| 141 |
[self Suspend: self]; |
| 142 |
[screen benchmark]; |
| 143 |
if ( wasRunning ) |
| 144 |
[self Resume: self]; |
| 145 |
} |
| 146 |
|
| 147 |
#ifdef NIGEL |
| 148 |
- (IBAction) EjectCD: (id)sender; |
| 149 |
{ |
| 150 |
NSString *path; |
| 151 |
const char *cdrom = PrefsFindString("cdrom"); |
| 152 |
|
| 153 |
if ( cdrom ) |
| 154 |
{ |
| 155 |
#include <sys/param.h> |
| 156 |
#define KERNEL |
| 157 |
#include <sys/mount.h> |
| 158 |
|
| 159 |
struct statfs buf; |
| 160 |
if ( fsstat(path, &buf) < 0 ) |
| 161 |
return; |
| 162 |
|
| 163 |
path = [NSString stringWithCString: cdrom]; |
| 164 |
|
| 165 |
[[NSWorkspace sharedWorkspace] unmountAndEjectDeviceAtPath: path]; |
| 166 |
// [path release]; |
| 167 |
} |
| 168 |
} |
| 169 |
#endif |
| 170 |
|
| 171 |
- (IBAction) Interrupt: (id)sender; |
| 172 |
{ |
| 173 |
WarningSheet (@"Interrupt action not yet supported", win); |
| 174 |
} |
| 175 |
|
| 176 |
- (IBAction) PowerKey: (id)sender; |
| 177 |
{ |
| 178 |
if ( uaeCreated ) // If Mac has started |
| 179 |
{ |
| 180 |
ADBKeyDown(0x7f); // Send power key, which is also |
| 181 |
ADBKeyUp(0x7f); // called ADB_RESET or ADB_POWER |
| 182 |
} |
| 183 |
else |
| 184 |
{ |
| 185 |
running = YES; // Start emulator |
| 186 |
[self runUpdate]; |
| 187 |
[self Resume: nil]; |
| 188 |
} |
| 189 |
} |
| 190 |
|
| 191 |
- (IBAction) Restart: (id)sender |
| 192 |
{ |
| 193 |
if ( ! running ) |
| 194 |
{ |
| 195 |
running = YES; // Start emulator |
| 196 |
[self runUpdate]; |
| 197 |
[self Resume: nil]; |
| 198 |
} |
| 199 |
|
| 200 |
if ( running ) |
| 201 |
#ifdef UAE_CPU_HAS_RESET |
| 202 |
reset680x0(); |
| 203 |
#else |
| 204 |
{ |
| 205 |
uaeCreated = NO; |
| 206 |
[redraw suspend]; |
| 207 |
NSLog (@"%s - uae_cpu reset not yet supported, will try to fake it", |
| 208 |
__PRETTY_FUNCTION__); |
| 209 |
|
| 210 |
[screen clear]; |
| 211 |
[screen display]; |
| 212 |
|
| 213 |
[emul terminate]; QuitEmuNoExit(); |
| 214 |
|
| 215 |
|
| 216 |
// OK. We have killed & cleaned up. Now, start afresh: |
| 217 |
#include <sys.h> |
| 218 |
int argc = 0; |
| 219 |
char **argv; |
| 220 |
|
| 221 |
PrefsInit(argc, argv); |
| 222 |
SysInit(); |
| 223 |
|
| 224 |
emul = [NNThread new]; |
| 225 |
[emul perform:@selector(emulThread) of:self]; |
| 226 |
[emul start]; |
| 227 |
|
| 228 |
if ( display_type != DISPLAY_SCREEN ) |
| 229 |
[redraw resume]; |
| 230 |
} |
| 231 |
#endif |
| 232 |
} |
| 233 |
|
| 234 |
- (IBAction) Resume: (id)sender |
| 235 |
{ |
| 236 |
[RTC resume]; |
| 237 |
[emul resume]; |
| 238 |
if ( display_type != DISPLAY_SCREEN ) |
| 239 |
[redraw resume]; |
| 240 |
[tick resume]; |
| 241 |
[xPRAM resume]; |
| 242 |
} |
| 243 |
|
| 244 |
- (IBAction) ScreenHideShow: (NSButton *)sender; |
| 245 |
{ |
| 246 |
WarningSheet(@"Nigel doesn't know how to shrink or grow this window", |
| 247 |
@"Maybe you can grab the source code and have a go yourself?", |
| 248 |
nil, win); |
| 249 |
} |
| 250 |
|
| 251 |
- (IBAction) Snapshot: (id) sender |
| 252 |
{ |
| 253 |
if ( screen == nil || uaeCreated == NO ) |
| 254 |
WarningSheet(@"The emulator has not yet started.", |
| 255 |
@"There is no screen output to snapshot", |
| 256 |
nil, win); |
| 257 |
else |
| 258 |
{ |
| 259 |
NSData *TIFFdata; |
| 260 |
|
| 261 |
[self Suspend: self]; |
| 262 |
|
| 263 |
TIFFdata = [screen TIFFrep]; |
| 264 |
if ( TIFFdata == nil ) |
| 265 |
NSLog(@"%s - Unable to convert Basilisk screen to a TIFF representation", |
| 266 |
__PRETTY_FUNCTION__); |
| 267 |
else |
| 268 |
{ |
| 269 |
NSSavePanel *sp = [NSSavePanel savePanel]; |
| 270 |
|
| 271 |
[sp setRequiredFileType:@"tiff"]; |
| 272 |
|
| 273 |
if ( [sp runModalForDirectory:NSHomeDirectory() |
| 274 |
file:@"B2-screen-snapshot.tiff"] == NSOKButton ) |
| 275 |
if ( ! [TIFFdata writeToFile:[sp filename] atomically:YES] ) |
| 276 |
NSLog(@"%s - Could not write TIFF data to file @%", |
| 277 |
__PRETTY_FUNCTION__, [sp filename]); |
| 278 |
|
| 279 |
} |
| 280 |
if ( running ) |
| 281 |
[self Resume: self]; |
| 282 |
} |
| 283 |
} |
| 284 |
|
| 285 |
- (IBAction) SpeedChange: (NSSlider *)sender |
| 286 |
{ |
| 287 |
float frequency = [sender floatValue]; |
| 288 |
|
| 289 |
[redraw suspend]; |
| 290 |
|
| 291 |
if ( frequency == 0.0 ) |
| 292 |
redrawDelay = 0.0; |
| 293 |
else |
| 294 |
{ |
| 295 |
frequencyToTickDelay(frequency); |
| 296 |
|
| 297 |
redrawDelay = 1.0 / frequency; |
| 298 |
|
| 299 |
[redraw changeIntervalTo: (int)(redrawDelay * 1e6) |
| 300 |
units: NNmicroSeconds]; |
| 301 |
if ( running && display_type != DISPLAY_SCREEN ) |
| 302 |
[redraw resume]; |
| 303 |
} |
| 304 |
} |
| 305 |
|
| 306 |
- (IBAction) Suspend: (id)sender |
| 307 |
{ |
| 308 |
[RTC suspend]; |
| 309 |
[emul suspend]; |
| 310 |
[redraw suspend]; |
| 311 |
[tick suspend]; |
| 312 |
[xPRAM suspend]; |
| 313 |
} |
| 314 |
|
| 315 |
- (IBAction) ToggleState: (NSButton *)sender |
| 316 |
{ |
| 317 |
running = [sender state]; // State of the toggled NSButton |
| 318 |
if ( running ) |
| 319 |
[self Resume: nil]; |
| 320 |
else |
| 321 |
[self Suspend: nil]; |
| 322 |
} |
| 323 |
|
| 324 |
- (IBAction) Terminate: (id)sender; |
| 325 |
{ |
| 326 |
[self exitThreads]; |
| 327 |
[win performClose: self]; |
| 328 |
} |
| 329 |
|
| 330 |
#include <xpram.h> |
| 331 |
|
| 332 |
#define XPRAM_SIZE 256 |
| 333 |
|
| 334 |
uint8 lastXPRAM[XPRAM_SIZE]; // Copy of PRAM |
| 335 |
|
| 336 |
- (IBAction) ZapPRAM: (id)sender; |
| 337 |
{ |
| 338 |
memset(XPRAM, 0, XPRAM_SIZE); |
| 339 |
memset(lastXPRAM, 0, XPRAM_SIZE); |
| 340 |
ZapPRAM(); |
| 341 |
} |
| 342 |
|
| 343 |
// |
| 344 |
// Threads, Timers and stuff to manage them: |
| 345 |
// |
| 346 |
|
| 347 |
- (void) createThreads |
| 348 |
{ |
| 349 |
#ifdef USE_PTHREADS |
| 350 |
// Make UI threadsafe: |
| 351 |
[NSThread detachNewThreadSelector:(SEL)"" toTarget:nil withObject:nil]; |
| 352 |
//emul = [[NNThread alloc] initWithAutoReleasePool]; |
| 353 |
#endif |
| 354 |
emul = [NNThread new]; |
| 355 |
RTC = [NNTimer new]; |
| 356 |
redraw = [[NNTimer alloc] initWithAutoReleasePool] |
| 357 |
tick = [NNTimer new]; |
| 358 |
xPRAM = [NNTimer new]; |
| 359 |
|
| 360 |
[emul perform:@selector(emulThread) of:self]; |
| 361 |
[RTC repeat:@selector(RTCinterrupt) of:self |
| 362 |
every:1 |
| 363 |
units:NNseconds]; |
| 364 |
[redraw repeat:@selector(redrawScreen) of:self |
| 365 |
every:(int)(1000*redrawDelay) |
| 366 |
units:NNmilliSeconds]; |
| 367 |
[tick repeat:@selector(tickInterrupt) of:self |
| 368 |
every:16625 |
| 369 |
units:NNmicroSeconds]; |
| 370 |
[xPRAM repeat:@selector(xPRAMbackup) of:self |
| 371 |
every:60 |
| 372 |
units:NNseconds]; |
| 373 |
|
| 374 |
if ( running ) // Start emulator, then threads in most economical order |
| 375 |
{ |
| 376 |
[emul start]; |
| 377 |
[xPRAM start]; |
| 378 |
[RTC start]; |
| 379 |
if ( display_type != DISPLAY_SCREEN ) |
| 380 |
[redraw start]; |
| 381 |
[tick start]; |
| 382 |
} |
| 383 |
} |
| 384 |
|
| 385 |
- (void) exitThreads |
| 386 |
{ |
| 387 |
running = NO; |
| 388 |
[emul terminate]; [emul release]; emul = nil; |
| 389 |
[tick invalidate]; [tick release]; tick = nil; |
| 390 |
[redraw invalidate]; [redraw release]; redraw = nil; |
| 391 |
[RTC invalidate]; [RTC release]; RTC = nil; |
| 392 |
[xPRAM invalidate]; [xPRAM release]; xPRAM = nil; |
| 393 |
} |
| 394 |
|
| 395 |
- (void) emulThread |
| 396 |
{ |
| 397 |
NSAutoreleasePool *pool = [NSAutoreleasePool new]; |
| 398 |
|
| 399 |
if ( ! InitEmulator() ) |
| 400 |
{ |
| 401 |
[redraw suspend]; // Stop the barberpole |
| 402 |
|
| 403 |
ErrorSheet(@"Cannot start Emulator", @"", @"Quit", win); |
| 404 |
} |
| 405 |
else |
| 406 |
{ |
| 407 |
memcpy(lastXPRAM, XPRAM, XPRAM_SIZE); |
| 408 |
|
| 409 |
uaeCreated = YES; // Enable timers to access emulated Mac's memory |
| 410 |
|
| 411 |
while ( screen == nil ) // If we are still loading from Nib? |
| 412 |
[NSThread sleepUntilDate:[NSDate dateWithTimeIntervalSinceNow: 1.0]]; |
| 413 |
|
| 414 |
[self runUpdate]; // Set the window close gadget to dimpled |
| 415 |
|
| 416 |
Start680x0(); // Start 68k and jump to ROM boot routine |
| 417 |
|
| 418 |
puts ("Emulator exited normally"); |
| 419 |
} |
| 420 |
|
| 421 |
[pool release]; |
| 422 |
QuitEmulator(); |
| 423 |
} |
| 424 |
|
| 425 |
- (void) RTCinterrupt |
| 426 |
{ |
| 427 |
if ( uaeCreated ) |
| 428 |
WriteMacInt32 (0x20c, TimerDateTime() ); // Update MacOS time |
| 429 |
} |
| 430 |
|
| 431 |
- (void) redrawScreen |
| 432 |
{ |
| 433 |
if ( display_type == DISPLAY_SCREEN ) |
| 434 |
{ |
| 435 |
NSLog(@"We are in fullscreen mode - why was redrawScreen() called?"); |
| 436 |
return; |
| 437 |
} |
| 438 |
[barberPole animate:self]; // wobble the pole |
| 439 |
[screen setNeedsDisplay: YES]; // redisplay next time through runLoop |
| 440 |
// Or, use a direct method. e.g. |
| 441 |
// [screen display] or [screen cgDrawInto: ...]; |
| 442 |
} |
| 443 |
|
| 444 |
#include <main.h> // For #define INTFLAG_60HZ |
| 445 |
#include <rom_patches.h> // For ROMVersion |
| 446 |
#include "macos_util_macosx.h" // For HasMacStarted() |
| 447 |
|
| 448 |
- (void) tickInterrupt |
| 449 |
{ |
| 450 |
if ( ROMVersion != ROM_VERSION_CLASSIC || HasMacStarted() ) |
| 451 |
{ |
| 452 |
SetInterruptFlag (INTFLAG_60HZ); |
| 453 |
TriggerInterrupt (); |
| 454 |
} |
| 455 |
} |
| 456 |
|
| 457 |
- (void) xPRAMbackup |
| 458 |
{ |
| 459 |
if ( uaeCreated && |
| 460 |
memcmp(lastXPRAM, XPRAM, XPRAM_SIZE) ) // if PRAM changed from copy |
| 461 |
{ |
| 462 |
memcpy (lastXPRAM, XPRAM, XPRAM_SIZE); // re-copy |
| 463 |
SaveXPRAM (); // and save to disk |
| 464 |
} |
| 465 |
} |
| 466 |
|
| 467 |
@end |
