/* * Display_x.h - C64 graphics display, emulator window handling, * X specific stuff * * Frodo (C) 1994-1997,2002-2004 Christian Bauer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "SAM.h" #include "C64.h" #include #include #include #include #if defined(X_USE_SHM) #include #include #include static XShmSegmentInfo shminfo; #endif static Display *display; static int screen; static Window rootwin, mywin; static GC black_gc, led_gc; static XColor black, fill_gray, shine_gray, shadow_gray, red, green; static Colormap cmap; static Font led_font; static XImage *img; static Visual *vis; static XVisualInfo visualInfo; static int bitdepth; static char *bufmem; static int hsize; // For LED error blinking static C64Display *c64_disp; static struct sigaction pulse_sa; static itimerval pulse_tv; // Keyboard and joystick static int keystate[256]; static int joystate = 0xFF; static bool num_locked = false; static const long int eventmask = (KeyPressMask|KeyReleaseMask|FocusChangeMask|ExposureMask); /* C64 keyboard matrix: Bit 7 6 5 4 3 2 1 0 0 CUD F5 F3 F1 F7 CLR RET DEL 1 SHL E S Z 4 A W 3 2 X T F C 6 D R 5 3 V U H B 8 G Y 7 4 N O K M 0 J I 9 5 , @ : . - L P + 6 / ^ = SHR HOM ; * £ 7 R/S Q C= SPC 2 CTL <- 1 */ #define MATRIX(a,b) (((a) << 3) | (b)) #define KEY_F9 512 #define KEY_F10 513 #define KEY_F11 514 #define KEY_F12 515 #ifdef SUN #define KEY_FIRE 58 #define KEY_JU 135 #define KEY_JD 7 #define KEY_JL 130 #define KEY_JR 2 #else #define KEY_FIRE 516 #define KEY_JU 517 #define KEY_JD 518 #define KEY_JL 519 #define KEY_JR 520 #endif #define KEY_JUL 521 #define KEY_JUR 522 #define KEY_JDL 523 #define KEY_JDR 524 #define KEY_KP_PLUS 525 #define KEY_KP_MINUS 526 #define KEY_KP_MULT 527 #define KEY_NUM_LOCK 528 /* * Decode KeySyms. This function knows about all keys that * are common between different keyboard languages. */ static int kc_decode(KeySym ks) { switch (ks) { case XK_A: case XK_a: return MATRIX(1,2); case XK_B: case XK_b: return MATRIX(3,4); case XK_C: case XK_c: return MATRIX(2,4); case XK_D: case XK_d: return MATRIX(2,2); case XK_E: case XK_e: return MATRIX(1,6); case XK_F: case XK_f: return MATRIX(2,5); case XK_G: case XK_g: return MATRIX(3,2); case XK_H: case XK_h: return MATRIX(3,5); case XK_I: case XK_i: return MATRIX(4,1); case XK_J: case XK_j: return MATRIX(4,2); case XK_K: case XK_k: return MATRIX(4,5); case XK_L: case XK_l: return MATRIX(5,2); case XK_M: case XK_m: return MATRIX(4,4); case XK_N: case XK_n: return MATRIX(4,7); case XK_O: case XK_o: return MATRIX(4,6); case XK_P: case XK_p: return MATRIX(5,1); case XK_Q: case XK_q: return MATRIX(7,6); case XK_R: case XK_r: return MATRIX(2,1); case XK_S: case XK_s: return MATRIX(1,5); case XK_T: case XK_t: return MATRIX(2,6); case XK_U: case XK_u: return MATRIX(3,6); case XK_V: case XK_v: return MATRIX(3,7); case XK_W: case XK_w: return MATRIX(1,1); case XK_X: case XK_x: return MATRIX(2,7); case XK_Y: case XK_y: return MATRIX(3,1); case XK_Z: case XK_z: return MATRIX(1,4); case XK_0: return MATRIX(4,3); case XK_1: return MATRIX(7,0); case XK_2: return MATRIX(7,3); case XK_3: return MATRIX(1,0); case XK_4: return MATRIX(1,3); case XK_5: return MATRIX(2,0); case XK_6: return MATRIX(2,3); case XK_7: return MATRIX(3,0); case XK_8: return MATRIX(3,3); case XK_9: return MATRIX(4,0); case XK_space: return MATRIX(7,4); case XK_grave: return MATRIX(7,1); case XK_backslash: return MATRIX(6,6); case XK_comma: return MATRIX(5,7); case XK_period: return MATRIX(5,4); case XK_Escape: return MATRIX(7,7); case XK_Return: return MATRIX(0,1); case XK_BackSpace: case XK_Delete: return MATRIX(0,0); case XK_Insert: return MATRIX(6,3); case XK_Home: case XK_Help: return MATRIX(6,3); case XK_End: return MATRIX(6,0); #ifdef __hpux case XK_Prior: return MATRIX(6,0); case XK_Next: return MATRIX(6,5); #else case XK_Page_Up: return MATRIX(6,0); case XK_Page_Down: return MATRIX(6,5); #endif case XK_Control_L: return MATRIX(7,2); case XK_Control_R: return MATRIX(7,5); case XK_Shift_L: return MATRIX(1,7); case XK_Shift_R: return MATRIX(6,4); case XK_Alt_L: return MATRIX(7,5); case XK_Alt_R: return MATRIX(7,5); case XK_Up: return MATRIX(0,7)| 0x80; case XK_Down: return MATRIX(0,7); case XK_Left: return MATRIX(0,2) | 0x80; case XK_Right: return MATRIX(0,2); case XK_F1: return MATRIX(0,4); case XK_F2: return MATRIX(0,4) | 0x80; case XK_F3: return MATRIX(0,5); case XK_F4: return MATRIX(0,5) | 0x80; case XK_F5: return MATRIX(0,6); case XK_F6: return MATRIX(0,6) | 0x80; case XK_F7: return MATRIX(0,3); case XK_F8: return MATRIX(0,3) | 0x80; case XK_F9: return KEY_F9; case XK_F10: return KEY_F10; case XK_F11: return KEY_F11; case XK_F12: return KEY_F12; /* You never know which Keysyms might be missing on some workstation * This #ifdef should be enough. */ #if defined(XK_KP_Prior) && defined(XK_KP_Left) && defined(XK_KP_Insert) && defined (XK_KP_End) case XK_KP_0: case XK_KP_Insert: return KEY_FIRE; case XK_KP_1: case XK_KP_End: return KEY_JDL; case XK_KP_2: case XK_KP_Down: return KEY_JD; case XK_KP_3: case XK_KP_Next: return KEY_JDR; case XK_KP_4: case XK_KP_Left: return KEY_JL; case XK_KP_5: case XK_KP_Begin: return KEY_FIRE; case XK_KP_6: case XK_KP_Right: return KEY_JR; case XK_KP_7: case XK_KP_Home: return KEY_JUL; case XK_KP_8: case XK_KP_Up: return KEY_JU; case XK_KP_9: case XK_KP_Prior: return KEY_JUR; #else case XK_KP_0: return KEY_FIRE; case XK_KP_1: return KEY_JDL; case XK_KP_2: return KEY_JD; case XK_KP_3: return KEY_JDR; case XK_KP_4: return KEY_JL; case XK_KP_5: return KEY_FIRE; case XK_KP_6: return KEY_JR; case XK_KP_7: return KEY_JUL; case XK_KP_8: return KEY_JU; case XK_KP_9: return KEY_JUR; #endif case XK_KP_Add: return KEY_KP_PLUS; case XK_KP_Subtract: return KEY_KP_MINUS; case XK_KP_Multiply: return KEY_KP_MULT; case XK_KP_Divide: return MATRIX(6,7); case XK_KP_Enter: return MATRIX(0,1); #ifdef SUN case XK_Num_Lock: return KEY_NUM_LOCK; #endif } return -1; } static int decode_us(KeySym ks) { switch(ks) { /* US specific */ case XK_minus: return MATRIX(5,0); case XK_equal: return MATRIX(5,3); case XK_bracketleft: return MATRIX(5,6); case XK_bracketright: return MATRIX(6,1); case XK_semicolon: return MATRIX(5,5); case XK_apostrophe: return MATRIX(6,2); case XK_slash: return MATRIX(6,7); } return -1; } static int decode_de(KeySym ks) { switch(ks) { /* DE specific */ case XK_ssharp: return MATRIX(5,0); case XK_apostrophe: return MATRIX(5,3); case XK_Udiaeresis: case XK_udiaeresis: return MATRIX(5,6); case XK_plus: return MATRIX(6,1); case XK_Odiaeresis: case XK_odiaeresis: return MATRIX(5,5); case XK_Adiaeresis: case XK_adiaeresis: return MATRIX(6,2); case XK_numbersign: return MATRIX(6,5); case XK_less: case XK_greater: return MATRIX(6,0); case XK_minus: return MATRIX(6,7); } return -1; } static int keycode2c64(XKeyEvent *event) { KeySym ks; int as; int index = 0; do { ks = XLookupKeysym(event, index); as = kc_decode(ks); if (as == -1) as = KBD_LANG == 0 ? decode_us(ks) : decode_de(ks); if (as != -1) return as; index++; } while (ks != NoSymbol); return -1; } /* * Display constructor: Draw Speedometer/LEDs in window */ C64Display::C64Display(C64 *the_c64) : TheC64(the_c64) { int i; char str[16]; quit_requested = false; // LEDs off for (i=0; i<4; i++) led_state[i] = old_led_state[i] = LED_OFF; // Draw speedometer/LEDs led_gc = XCreateGC(display, mywin, 0, 0); XSetFont(display, led_gc, led_font); XSetForeground(display, led_gc, fill_gray.pixel); XFillRectangle(display, mywin, led_gc, 0, DISPLAY_Y, DISPLAY_X-1, 16); XSetForeground(display, led_gc, shine_gray.pixel); XDrawLine(display, mywin, led_gc, 0, DISPLAY_Y, DISPLAY_X-1, DISPLAY_Y); for (i=0; i<5; i++) XDrawLine(display, mywin, led_gc, DISPLAY_X*i/5, DISPLAY_Y, DISPLAY_X*i/5, DISPLAY_Y+14); for (i=2; i<6; i++) { XDrawLine(display, mywin, led_gc, DISPLAY_X*i/5-23, DISPLAY_Y+11, DISPLAY_X*i/5-9, DISPLAY_Y+11); XDrawLine(display, mywin, led_gc, DISPLAY_X*i/5-9, DISPLAY_Y+11, DISPLAY_X*i/5-9, DISPLAY_Y+5); } XSetForeground(display, led_gc, shadow_gray.pixel); XDrawLine(display, mywin, led_gc, 0, DISPLAY_Y+15, DISPLAY_X-1, DISPLAY_Y+15); for (i=1; i<6; i++) XDrawLine(display, mywin, led_gc, DISPLAY_X*i/5-1, DISPLAY_Y+1, DISPLAY_X*i/5-1, DISPLAY_Y+15); for (i=2; i<6; i++) { XDrawLine(display, mywin, led_gc, DISPLAY_X*i/5-24, DISPLAY_Y+11, DISPLAY_X*i/5-24, DISPLAY_Y+4); XDrawLine(display, mywin, led_gc, DISPLAY_X*i/5-24, DISPLAY_Y+4, DISPLAY_X*i/5-9, DISPLAY_Y+4); } for (i=0; i<4; i++) { sprintf(str, "Drive %d", i+8); XSetForeground(display, led_gc, black.pixel); XDrawString(display, mywin, led_gc, DISPLAY_X*(i+1)/5+8, DISPLAY_Y+12, str, strlen(str)); draw_led(i, LED_OFF); } // Start timer for LED error blinking c64_disp = this; pulse_sa.sa_handler = (void (*)(int))pulse_handler; pulse_sa.sa_flags = SA_RESTART; sigemptyset(&pulse_sa.sa_mask); sigaction(SIGALRM, &pulse_sa, NULL); pulse_tv.it_interval.tv_sec = 0; pulse_tv.it_interval.tv_usec = 400000; pulse_tv.it_value.tv_sec = 0; pulse_tv.it_value.tv_usec = 400000; setitimer(ITIMER_REAL, &pulse_tv, NULL); } /* * Display destructor */ C64Display::~C64Display() { XAutoRepeatOn(display); XSync(display, 0); } /* * Prefs may have changed */ void C64Display::NewPrefs(Prefs *prefs) { } /* * Connect to X server and open window */ int init_graphics(void) { int i; char *display_name = 0; XSetWindowAttributes wattr; XSizeHints *hints; XColor exact_color; int pixbytes; display = XOpenDisplay(display_name); if (display == 0) { fprintf(stderr, "Can't connect to X server %s\n", XDisplayName(display_name)); return 0; } screen = XDefaultScreen(display); rootwin = XRootWindow(display, screen); if (XMatchVisualInfo(display, screen, 8, PseudoColor, &visualInfo)) { /* for our HP boxes */ } else if (XMatchVisualInfo(display, screen, 8, GrayScale, &visualInfo)) { } else { fprintf(stderr, "Can't obtain appropriate X visual\n"); return 0; } vis = visualInfo.visual; bitdepth = visualInfo.depth; pixbytes = (bitdepth == 24 || bitdepth == 32 ? 4 : bitdepth == 12 || bitdepth == 16 ? 2 : 1); fprintf(stderr, "Using %d bit visual\n", bitdepth); hsize = (DISPLAY_X + 3) & ~3; #if defined(X_USE_SHM) img = XShmCreateImage(display, vis, bitdepth, ZPixmap, 0, &shminfo, hsize, DISPLAY_Y); shminfo.shmid = shmget(IPC_PRIVATE, DISPLAY_Y * img->bytes_per_line, IPC_CREAT | 0777); shminfo.shmaddr = img->data = bufmem = (char *)shmat(shminfo.shmid, 0, 0); shminfo.readOnly = False; XShmAttach(display, &shminfo); XSync(display,0); /* now deleting means making it temporary */ shmctl(shminfo.shmid, IPC_RMID, 0); #else bufmem = (char *)malloc(pixbytes * hsize * DISPLAY_Y); img = XCreateImage(display, vis, bitdepth, ZPixmap, 0, bufmem, hsize, DISPLAY_Y, 32, 0); #endif cmap = XCreateColormap(display, rootwin, vis, AllocNone); XParseColor(display, cmap, "#000000", &black); if (!XAllocColor(display, cmap, &black)) fprintf(stderr, "Whoops??\n"); wattr.event_mask = eventmask; wattr.background_pixel = black.pixel; wattr.backing_store = Always; wattr.backing_planes = bitdepth; wattr.border_pixmap = None; wattr.border_pixel = black.pixel; wattr.colormap = cmap; mywin = XCreateWindow(display, rootwin, 0, 0, DISPLAY_X, DISPLAY_Y + 16, 0, bitdepth, InputOutput, vis, CWEventMask|CWBackPixel|CWBorderPixel|CWBackingStore |CWBackingPlanes|CWColormap, &wattr); XMapWindow(display, mywin); XStoreName(display, mywin, "Frodo"); if ((hints = XAllocSizeHints()) != NULL) { hints->min_width = DISPLAY_X; hints->max_width = DISPLAY_X; hints->min_height = DISPLAY_Y + 16; hints->max_height = DISPLAY_Y + 16; hints->flags = PMinSize | PMaxSize; XSetWMNormalHints(display, mywin, hints); XFree((char *)hints); } black_gc = XCreateGC(display,mywin, 0, 0); XSetForeground(display, black_gc, black.pixel); // Allocate colors for speedometer/LEDs if (!XAllocNamedColor(display, cmap, "rgb:d0/d0/d0", &fill_gray, &exact_color)) return 0; if (!XAllocNamedColor(display, cmap, "rgb:e8/e8/e8", &shine_gray, &exact_color)) return 0; if (!XAllocNamedColor(display, cmap, "rgb:98/98/98", &shadow_gray, &exact_color)) return 0; if (!XAllocNamedColor(display, cmap, "rgb:f0/00/00", &red, &exact_color)) return 0; if (!XAllocNamedColor(display, cmap, "rgb:00/f0/00", &green, &exact_color)) return 0; // Load font for speedometer/LED labels led_font = XLoadFont(display, "-*-helvetica-medium-r-*-*-10-*"); for(i=0; i<256; i++) keystate[i] = 0; return 1; } /* * Redraw bitmap */ void C64Display::Update(void) { // Update C64 display XSync(display, 0); #if defined(X_USE_SHM) XShmPutImage(display, mywin, black_gc, img, 0, 0, 0, 0, DISPLAY_X, DISPLAY_Y, 0); #else XPutImage(display, mywin, black_gc, img, 0, 0, 0, 0, DISPLAY_X, DISPLAY_Y); #endif // Update drive LEDs for (int i=0; i<4; i++) if (led_state[i] != old_led_state[i]) { draw_led(i, led_state[i]); old_led_state[i] = led_state[i]; } } /* * Draw one drive LED */ void C64Display::draw_led(int num, int state) { switch (state) { case LED_OFF: case LED_ERROR_OFF: XSetForeground(display, led_gc, black.pixel); break; case LED_ON: XSetForeground(display, led_gc, green.pixel); break; case LED_ERROR_ON: XSetForeground(display, led_gc, red.pixel); break; } XFillRectangle(display, mywin, led_gc, DISPLAY_X*(num+2)/5-23, DISPLAY_Y+5, 14, 6); } /* * LED error blink */ void C64Display::pulse_handler(...) { for (int i=0; i<4; i++) switch (c64_disp->led_state[i]) { case LED_ERROR_ON: c64_disp->led_state[i] = LED_ERROR_OFF; break; case LED_ERROR_OFF: c64_disp->led_state[i] = LED_ERROR_ON; break; } } /* * Draw speedometer */ void C64Display::Speedometer(int speed) { static int delay = 0; if (delay >= 20) { char str[16]; sprintf(str, "%d%%", speed); XSetForeground(display, led_gc, fill_gray.pixel); XFillRectangle(display,mywin, led_gc, 1, DISPLAY_Y+1, DISPLAY_X/5-2, 14); XSetForeground(display, led_gc, black.pixel); XDrawString(display, mywin, led_gc, 24, DISPLAY_Y+12, str, strlen(str)); delay = 0; } else delay++; } /* * Return pointer to bitmap data */ uint8 *C64Display::BitmapBase(void) { return (uint8 *)bufmem; } /* * Return number of bytes per row */ int C64Display::BitmapXMod(void) { return hsize; } /* * Poll the keyboard */ void C64Display::PollKeyboard(uint8 *key_matrix, uint8 *rev_matrix, uint8 *joystick) { static bool auto_rep = true; for(;;) { XEvent event; if (!XCheckMaskEvent(display, eventmask, &event)) break; switch(event.type) { case KeyPress: { int kc = keycode2c64((XKeyEvent *)&event); if (kc == -1) break; switch (kc) { case KEY_F9: // F9: Invoke SAM SAM(TheC64); break; case KEY_F10: // F10: Quit quit_requested = true; break; case KEY_F11: // F11: NMI (Restore) TheC64->NMI(); break; case KEY_F12: // F12: Reset TheC64->Reset(); break; case KEY_NUM_LOCK: // NumLock: Toggle joyport num_locked = true; break; case KEY_FIRE: joystate &= ~0x10; break; case KEY_JD: joystate &= ~0x02; break; case KEY_JU: joystate &= ~0x01; break; case KEY_JL: joystate &= ~0x04; break; case KEY_JR: joystate &= ~0x08; break; case KEY_JUL: joystate &= ~0x05; break; case KEY_JUR: joystate &= ~0x09; break; case KEY_JDL: joystate &= ~0x06; break; case KEY_JDR: joystate &= ~0x0a; break; case KEY_KP_PLUS: // '+' on keypad: Increase SkipFrames ThePrefs.SkipFrames++; break; case KEY_KP_MINUS: // '-' on keypad: Decrease SkipFrames if (ThePrefs.SkipFrames > 1) ThePrefs.SkipFrames--; break; case KEY_KP_MULT: // '*' on keypad: Toggle speed limiter ThePrefs.LimitSpeed = !ThePrefs.LimitSpeed; break; default: if (keystate[kc]) break; keystate[kc] = 1; int c64_byte, c64_bit, shifted; c64_byte = kc >> 3; c64_bit = kc & 7; shifted = kc & 128; c64_byte &= 7; if (shifted) { key_matrix[6] &= 0xef; rev_matrix[4] &= 0xbf; } key_matrix[c64_byte] &= ~(1 << c64_bit); rev_matrix[c64_bit] &= ~(1 << c64_byte); break; } break; } case KeyRelease: { int kc = keycode2c64((XKeyEvent *)&event); if (kc == -1) break; switch (kc) { case KEY_NUM_LOCK: num_locked = false; break; case KEY_FIRE: joystate |= 0x10; break; case KEY_JD: joystate |= 0x02; break; case KEY_JU: joystate |= 0x01; break; case KEY_JL: joystate |= 0x04; break; case KEY_JR: joystate |= 0x08; break; case KEY_JUL: joystate |= 0x05; break; case KEY_JUR: joystate |= 0x09; break; case KEY_JDL: joystate |= 0x06; break; case KEY_JDR: joystate |= 0x0a; break; default: if (!keystate[kc]) break; keystate[kc] = 0; int c64_byte, c64_bit, shifted; c64_byte = kc >> 3; c64_bit = kc & 7; shifted = kc & 128; c64_byte &= 7; if (shifted) { key_matrix[6] |= 0x10; rev_matrix[4] |= 0x40; } key_matrix[c64_byte] |= (1 << c64_bit); rev_matrix[c64_bit] |= (1 << c64_byte); break; } } case FocusIn: if (auto_rep) { XAutoRepeatOff(display); auto_rep = false; } break; case FocusOut: if (!auto_rep) { XAutoRepeatOn(display); auto_rep = true; } break; } } *joystick = joystate; } /* * Check if NumLock is down (for switching the joystick keyboard emulation) */ bool C64Display::NumLock(void) { return num_locked; } /* * Open/close joystick drivers given old and new state of * joystick preferences */ void C64::open_close_joysticks(int oldjoy1, int oldjoy2, int newjoy1, int newjoy2) { } /* * Poll joystick port, return CIA mask */ uint8 C64::poll_joystick(int port) { return 0xff; } /* * Allocate C64 colors */ void C64Display::InitColors(uint8 *colors) { int i; XColor col; char str[20]; for (i=0; i< 256; i++) { sprintf(str, "rgb:%x/%x/%x", palette_red[i & 0x0f], palette_green[i & 0x0f], palette_blue[i & 0x0f]); XParseColor(display, cmap, str, &col); if (XAllocColor(display, cmap, &col)) colors[i] = col.pixel; else fprintf(stderr, "Couldn't get all colors\n"); } } /* * Show a requester (error message) */ long int ShowRequester(char *a,char *b,char *) { printf("%s: %s\n", a, b); return 1; }