| 1 |
|
/* |
| 2 |
|
* C64_x.h - Put the pieces together, X specific stuff |
| 3 |
|
* |
| 4 |
< |
* Frodo (C) 1994-1997,2002-2003 Christian Bauer |
| 4 |
> |
* Frodo Copyright (C) Christian Bauer |
| 5 |
|
* |
| 6 |
|
* This program is free software; you can redistribute it and/or modify |
| 7 |
|
* it under the terms of the GNU General Public License as published by |
| 95 |
|
} |
| 96 |
|
#endif |
| 97 |
|
|
| 98 |
+ |
#ifdef __linux__ |
| 99 |
+ |
// select() timing is much more accurate under Linux |
| 100 |
+ |
static void Delay_usec(unsigned long usec) |
| 101 |
+ |
{ |
| 102 |
+ |
int was_error; |
| 103 |
+ |
struct timeval tv; |
| 104 |
+ |
|
| 105 |
+ |
tv.tv_sec = 0; |
| 106 |
+ |
tv.tv_usec = usec; |
| 107 |
+ |
do { |
| 108 |
+ |
errno = 0; |
| 109 |
+ |
was_error = select(0, NULL, NULL, NULL, &tv); |
| 110 |
+ |
} while (was_error && (errno == EINTR)); |
| 111 |
+ |
} |
| 112 |
+ |
#else |
| 113 |
+ |
static void Delay_usec(unsigned long usec) |
| 114 |
+ |
{ |
| 115 |
+ |
usleep(usec); |
| 116 |
+ |
} |
| 117 |
+ |
#endif |
| 118 |
+ |
|
| 119 |
|
|
| 120 |
|
/* |
| 121 |
|
* Constructor, system-dependent things |
| 128 |
|
joy_maxx[0] = joy_maxy[0] = -32768; |
| 129 |
|
joy_minx[1] = joy_miny[1] = 32767; |
| 130 |
|
joy_maxx[1] = joy_maxy[1] = -32768; |
| 110 |
– |
|
| 111 |
– |
// we need to create a potential GUI subprocess here, because we don't want |
| 112 |
– |
// it to inherit file-descriptors (such as for the audio-device and alike..) |
| 113 |
– |
#if defined(__svgalib__) |
| 114 |
– |
gui = 0; |
| 115 |
– |
#else |
| 116 |
– |
// try to start up Tk gui. |
| 117 |
– |
gui = new CmdPipe("wish", BINDIR "Frodo_GUI.tcl"); |
| 118 |
– |
if (gui) { |
| 119 |
– |
if (gui->fail) { |
| 120 |
– |
delete gui; gui = 0; |
| 121 |
– |
} |
| 122 |
– |
} |
| 123 |
– |
// wait until the GUI process responds (if it does...) |
| 124 |
– |
if (gui) { |
| 125 |
– |
if (5 != gui->ewrite("ping\n",5)) { |
| 126 |
– |
delete gui; gui = 0; |
| 127 |
– |
} else { |
| 128 |
– |
char c; |
| 129 |
– |
fd_set set; |
| 130 |
– |
FD_ZERO(&set); |
| 131 |
– |
FD_SET(gui->get_read_fd(), &set); |
| 132 |
– |
struct timeval tv; |
| 133 |
– |
tv.tv_usec = 0; |
| 134 |
– |
tv.tv_sec = 5; |
| 135 |
– |
// Use the following commented line for HP-UX < 10.20 |
| 136 |
– |
// if (select(FD_SETSIZE, (int *)&set, (int *)NULL, (int *)NULL, &tv) <= 0) { |
| 137 |
– |
if (select(FD_SETSIZE, &set, NULL, NULL, &tv) <= 0) { |
| 138 |
– |
delete gui; gui = 0; |
| 139 |
– |
} else { |
| 140 |
– |
if (1 != gui->eread(&c, 1)) { |
| 141 |
– |
delete gui; gui = 0; |
| 142 |
– |
} else { |
| 143 |
– |
if (c != 'o') { |
| 144 |
– |
delete gui; gui = 0; |
| 145 |
– |
} |
| 146 |
– |
} |
| 147 |
– |
} |
| 148 |
– |
} |
| 149 |
– |
} |
| 150 |
– |
#endif // __svgalib__ |
| 131 |
|
} |
| 132 |
|
|
| 133 |
|
void C64::c64_ctor2(void) |
| 134 |
|
{ |
| 135 |
< |
#ifndef __svgalib__ |
| 136 |
< |
if (!gui) { |
| 137 |
< |
fprintf(stderr,"Alas, master, no preferences window will be available.\n" |
| 138 |
< |
"If you wish to see one, make sure the 'wish' interpreter\n" |
| 159 |
< |
"(Tk version >= 4.1) is installed in your path.\n" |
| 160 |
< |
"You can still use Frodo, though. Use F10 to quit, \n" |
| 161 |
< |
"F11 to cause an NMI and F12 to reset the C64.\n" |
| 162 |
< |
"You can change the preferences by editing ~/.frodorc\n"); |
| 163 |
< |
} |
| 164 |
< |
#endif // SVGAlib |
| 135 |
> |
printf("Use F9 to enter the SAM machine language monitor,\n" |
| 136 |
> |
"F10 to edit preferences or quit,\n" |
| 137 |
> |
"F11 to cause an NMI (RESTORE key) and\n" |
| 138 |
> |
"F12 to reset the C64.\n\n"); |
| 139 |
|
|
| 140 |
|
gettimeofday(&tv_start, NULL); |
| 141 |
|
} |
| 221 |
|
|
| 222 |
|
// Limit speed to 100% if desired |
| 223 |
|
if ((speed_index > 100) && ThePrefs.LimitSpeed) { |
| 224 |
< |
usleep((unsigned long)(ThePrefs.SkipFrames * 20000 - elapsed_time)); |
| 224 |
> |
Delay_usec((unsigned long)(ThePrefs.SkipFrames * 20000 - elapsed_time)); |
| 225 |
|
speed_index = 100; |
| 226 |
|
} |
| 227 |
|
|
| 238 |
|
|
| 239 |
|
void C64::thread_func(void) |
| 240 |
|
{ |
| 267 |
– |
int linecnt = 0; |
| 268 |
– |
|
| 241 |
|
#ifdef FRODO_SC |
| 242 |
|
while (!quit_thyself) { |
| 243 |
|
|
| 286 |
|
// 1541 processor disabled, only emulate 6510 |
| 287 |
|
TheCPU->EmulateLine(cycles); |
| 288 |
|
#endif |
| 317 |
– |
linecnt++; |
| 318 |
– |
#if !defined(__svgalib__) |
| 319 |
– |
if ((linecnt & 0xfff) == 0 && gui) { |
| 320 |
– |
|
| 321 |
– |
// check for command from GUI process |
| 322 |
– |
// fprintf(stderr,":"); |
| 323 |
– |
while (gui->probe()) { |
| 324 |
– |
char c; |
| 325 |
– |
if (gui->eread(&c, 1) != 1) { |
| 326 |
– |
delete gui; |
| 327 |
– |
gui = 0; |
| 328 |
– |
fprintf(stderr,"Oops, GUI process died...\n"); |
| 329 |
– |
} else { |
| 330 |
– |
// fprintf(stderr,"%c",c); |
| 331 |
– |
switch (c) { |
| 332 |
– |
case 'q': |
| 333 |
– |
quit_thyself = true; |
| 334 |
– |
break; |
| 335 |
– |
case 'r': |
| 336 |
– |
Reset(); |
| 337 |
– |
break; |
| 338 |
– |
case 'p':{ |
| 339 |
– |
Prefs *np = Frodo::reload_prefs(); |
| 340 |
– |
NewPrefs(np); |
| 341 |
– |
ThePrefs = *np; |
| 342 |
– |
break; |
| 343 |
– |
} |
| 344 |
– |
default: |
| 345 |
– |
break; |
| 346 |
– |
} |
| 347 |
– |
} |
| 348 |
– |
} |
| 349 |
– |
} |
| 350 |
– |
#endif |
| 289 |
|
} |
| 290 |
< |
#if !defined(__svgalib__) |
| 291 |
< |
if (gui) { |
| 292 |
< |
gui->ewrite("quit\n",5); |
| 293 |
< |
} |
| 294 |
< |
#endif |
| 290 |
> |
} |
| 291 |
> |
|
| 292 |
> |
|
| 293 |
> |
/* |
| 294 |
> |
* Pause main emulation thread |
| 295 |
> |
*/ |
| 296 |
> |
|
| 297 |
> |
void C64::Pause(void) |
| 298 |
> |
{ |
| 299 |
> |
TheSID->PauseSound(); |
| 300 |
> |
} |
| 301 |
> |
|
| 302 |
> |
|
| 303 |
> |
/* |
| 304 |
> |
* Resume main emulation thread |
| 305 |
> |
*/ |
| 306 |
> |
|
| 307 |
> |
void C64::Resume(void) |
| 308 |
> |
{ |
| 309 |
> |
TheSID->ResumeSound(); |
| 310 |
|
} |
