| 2 |
|
* Display_SDL.h - C64 graphics display, emulator window handling, |
| 3 |
|
* SDL specific stuff |
| 4 |
|
* |
| 5 |
< |
* Frodo (C) 1994-1997,2002 Christian Bauer |
| 5 |
> |
* Frodo (C) 1994-1997,2002-2005 Christian Bauer |
| 6 |
|
* |
| 7 |
|
* This program is free software; you can redistribute it and/or modify |
| 8 |
|
* it under the terms of the GNU General Public License as published by |
| 37 |
|
static struct sigaction pulse_sa; |
| 38 |
|
static itimerval pulse_tv; |
| 39 |
|
|
| 40 |
+ |
// SDL joysticks |
| 41 |
+ |
static SDL_Joystick *joy[2] = {NULL, NULL}; |
| 42 |
+ |
|
| 43 |
|
// Colors for speedometer/drive LEDs |
| 44 |
|
enum { |
| 45 |
|
black = 0, |
| 76 |
|
int init_graphics(void) |
| 77 |
|
{ |
| 78 |
|
// Init SDL |
| 79 |
< |
if (SDL_Init(SDL_INIT_VIDEO) < 0) { |
| 79 |
> |
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) { |
| 80 |
|
fprintf(stderr, "Couldn't initialize SDL (%s)\n", SDL_GetError()); |
| 81 |
|
return 0; |
| 82 |
|
} |
| 83 |
|
|
| 81 |
– |
// Open window |
| 82 |
– |
SDL_WM_SetCaption(VERSION_STRING, "Frodo"); |
| 83 |
– |
screen = SDL_SetVideoMode(DISPLAY_X, DISPLAY_Y + 17, 8, SDL_DOUBLEBUF); |
| 84 |
– |
|
| 84 |
|
return 1; |
| 85 |
|
} |
| 86 |
|
|
| 94 |
|
quit_requested = false; |
| 95 |
|
speedometer_string[0] = 0; |
| 96 |
|
|
| 97 |
+ |
// Open window |
| 98 |
+ |
SDL_WM_SetCaption(VERSION_STRING, "Frodo"); |
| 99 |
+ |
screen = SDL_SetVideoMode(DISPLAY_X, DISPLAY_Y + 17, 8, SDL_DOUBLEBUF | (ThePrefs.DisplayType == DISPTYPE_SCREEN ? SDL_FULLSCREEN : 0)); |
| 100 |
+ |
|
| 101 |
|
// LEDs off |
| 102 |
|
for (int i=0; i<4; i++) |
| 103 |
|
led_state[i] = old_led_state[i] = LED_OFF; |
| 105 |
|
// Start timer for LED error blinking |
| 106 |
|
c64_disp = this; |
| 107 |
|
pulse_sa.sa_handler = (void (*)(int))pulse_handler; |
| 108 |
< |
pulse_sa.sa_flags = 0; |
| 108 |
> |
pulse_sa.sa_flags = SA_RESTART; |
| 109 |
|
sigemptyset(&pulse_sa.sa_mask); |
| 110 |
|
sigaction(SIGALRM, &pulse_sa, NULL); |
| 111 |
|
pulse_tv.it_interval.tv_sec = 0; |
| 494 |
|
} |
| 495 |
|
|
| 496 |
|
|
| 497 |
+ |
/* |
| 498 |
+ |
* Open/close joystick drivers given old and new state of |
| 499 |
+ |
* joystick preferences |
| 500 |
+ |
*/ |
| 501 |
+ |
|
| 502 |
+ |
void C64::open_close_joystick(int port, int oldjoy, int newjoy) |
| 503 |
+ |
{ |
| 504 |
+ |
if (oldjoy != newjoy) { |
| 505 |
+ |
joy_minx[port] = joy_miny[port] = 32767; // Reset calibration |
| 506 |
+ |
joy_maxx[port] = joy_maxy[port] = -32768; |
| 507 |
+ |
if (newjoy) { |
| 508 |
+ |
joy[port] = SDL_JoystickOpen(newjoy - 1); |
| 509 |
+ |
if (joy[port] == NULL) |
| 510 |
+ |
fprintf(stderr, "Couldn't open joystick %d\n", port + 1); |
| 511 |
+ |
} else { |
| 512 |
+ |
if (joy[port]) { |
| 513 |
+ |
SDL_JoystickClose(joy[port]); |
| 514 |
+ |
joy[port] = NULL; |
| 515 |
+ |
} |
| 516 |
+ |
} |
| 517 |
+ |
} |
| 518 |
+ |
} |
| 519 |
+ |
|
| 520 |
+ |
void C64::open_close_joysticks(int oldjoy1, int oldjoy2, int newjoy1, int newjoy2) |
| 521 |
+ |
{ |
| 522 |
+ |
open_close_joystick(0, oldjoy1, newjoy1); |
| 523 |
+ |
open_close_joystick(1, oldjoy2, newjoy2); |
| 524 |
+ |
} |
| 525 |
+ |
|
| 526 |
+ |
|
| 527 |
+ |
/* |
| 528 |
+ |
* Poll joystick port, return CIA mask |
| 529 |
+ |
*/ |
| 530 |
+ |
|
| 531 |
+ |
uint8 C64::poll_joystick(int port) |
| 532 |
+ |
{ |
| 533 |
+ |
uint8 j = 0xff; |
| 534 |
+ |
|
| 535 |
+ |
if (port == 0 && (joy[0] || joy[1])) |
| 536 |
+ |
SDL_JoystickUpdate(); |
| 537 |
+ |
|
| 538 |
+ |
if (joy[port]) { |
| 539 |
+ |
int x = SDL_JoystickGetAxis(joy[port], 0), y = SDL_JoystickGetAxis(joy[port], 1); |
| 540 |
+ |
|
| 541 |
+ |
if (x > joy_maxx[port]) |
| 542 |
+ |
joy_maxx[port] = x; |
| 543 |
+ |
if (x < joy_minx[port]) |
| 544 |
+ |
joy_minx[port] = x; |
| 545 |
+ |
if (y > joy_maxy[port]) |
| 546 |
+ |
joy_maxy[port] = y; |
| 547 |
+ |
if (y < joy_miny[port]) |
| 548 |
+ |
joy_miny[port] = y; |
| 549 |
+ |
|
| 550 |
+ |
if (joy_maxx[port] - joy_minx[port] < 100 || joy_maxy[port] - joy_miny[port] < 100) |
| 551 |
+ |
return 0xff; |
| 552 |
+ |
|
| 553 |
+ |
if (x < (joy_minx[port] + (joy_maxx[port]-joy_minx[port])/3)) |
| 554 |
+ |
j &= 0xfb; // Left |
| 555 |
+ |
else if (x > (joy_minx[port] + 2*(joy_maxx[port]-joy_minx[port])/3)) |
| 556 |
+ |
j &= 0xf7; // Right |
| 557 |
+ |
|
| 558 |
+ |
if (y < (joy_miny[port] + (joy_maxy[port]-joy_miny[port])/3)) |
| 559 |
+ |
j &= 0xfe; // Up |
| 560 |
+ |
else if (y > (joy_miny[port] + 2*(joy_maxy[port]-joy_miny[port])/3)) |
| 561 |
+ |
j &= 0xfd; // Down |
| 562 |
+ |
|
| 563 |
+ |
if (SDL_JoystickGetButton(joy[port], 0)) |
| 564 |
+ |
j &= 0xef; // Button |
| 565 |
+ |
} |
| 566 |
+ |
|
| 567 |
+ |
return j; |
| 568 |
+ |
} |
| 569 |
+ |
|
| 570 |
+ |
|
| 571 |
|
/* |
| 572 |
|
* Allocate C64 colors |
| 573 |
|
*/ |
