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6c37dc92c9
frodo-wii/Src/Display_EmbeddedSDL.org
simon.kagstrom 6c37dc92c9 Imported Troy Davis' (GPF) port
2009-01-12 19:54:49 +00:00

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/*

  • DisplayEmbeddedSDL.h - C64 graphics display, emulator window handling
  • for embedded Linux devices (Qtopia, Maemo)
  • Frodo (C) 1994-1997,2002-2005 Christian Bauer
  • Changes for embedded Linux devices (Qtopia, Maemo) (C) 2006 Bernd Lachner
  • 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 "C64.h" #include "SAM.h" #include "main.h" #include "Version.h"

#include "sdlgui.h" #include "dlgMain.h"

#define QWS #include <SDL.h> //#include <SDL_thread.h> #include <ogc/mutex.h> #include <debug.h>

// Display surface static SDL_Surface *screen = 0; static SDL_Surface *backgroundSurf = 0; static SDL_Surface *surf = 0;

//static SDL_mutex *screenLock = 0; static u32 screenLock = 0; lwpq_t ThreadOneQ; lwp_t GUIthread; #define THREADSTACK 1024*128 u8 threadonestack[THREADSTACK];

// Mode of Joystick emulation. 0 = none, 1 = Joyport 1, 2 = Joyport 2 static short joy_emu = 0;

// Keyboard static bool tab_pressed = false;

// For LED error blinking static C64Display *c64_disp; //static struct sigaction pulse_sa; //static itimerval pulse_tv;

// SDL joysticks static SDL_Joystick *joy[2] = {NULL, NULL};

// Colors for speedometer/drive LEDs enum { black = 0, white = 1, fill_gray = 16, shine_gray = 17, shadow_gray = 18, red = 19, green = 20, PALETTE_SIZE = 21 };

/* 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))

/*

  • Open window

*/

char *buffer;

int width = 320; int height = 240;

bool isGuiAvailable = true; // TODO from main.cpp bool GUIOpened = false;

//static SDL_Thread *GUIthread = NULL; static const int GUI_RETURN_INFO = (SDL_USEREVENT+1); static bool doUpdate = true;

void update( int32 x, int32 y, int32 w, int32 h, bool forced ) { if ( !forced && !doUpdate ) // the HW surface is available return;

/ SDL_UpdateRect(SDL_GetVideoSurface(), 0, 0, width, height); / SDL_UpdateRect(surf, x, y, w, h); SDL_UpdateRect(screen, x, y, w, h); }

void update( bool forced ) { update( 0, 0, width, height, forced ); }

void update() { update( 0, 0, width, height, false ); }

void restoreBackground() { if (backgroundSurf != NULL) { SDL_BlitSurface(backgroundSurf, NULL, screen, NULL); update(true); fprintf(stderr, "video surface restored\n"); } }

void allocateBackgroundSurf() { // allocate new background video surface backgroundSurf = SDL_ConvertSurface(screen, screen->format, screen->flags); fprintf(stderr, "Allocating background video surface\n"); }

void freeBackgroundSurf() { // free background video surface if (backgroundSurf != NULL) { fprintf(stderr, "Freeing background video surface\n"); SDL_FreeSurface(backgroundSurf); backgroundSurf = NULL; } }

void openGUI() { fprintf(stderr, "open GUI\n"); if (GUIOpened) { fprintf(stderr, "GUI is already open!\n"); return; } allocateBackgroundSurf(); surf = backgroundSurf; GUIOpened = true; }

void closeGUI() { fprintf(stderr, "close GUI\n"); // update the main surface and then redirect VDI to it restoreBackground(); surf = screen; // redirect VDI to main surface fprintf(stderr, "VDI redirected back to main video surface\n"); freeBackgroundSurf(); GUIOpened = false; }

void saveBackground() { if (backgroundSurf != NULL) { SDL_BlitSurface(screen, NULL, backgroundSurf, NULL); surf = backgroundSurf; // redirect VDI to background surface fprintf(stderr, "video surface saved to background, VDI redirected\n"); } }

void blendBackgrounds() { if (backgroundSurf != NULL) { SDL_Rect *Rect; Rect = SDLGui_GetFirstBackgroundRect(); while (Rect != NULL) { SDL_BlitSurface(backgroundSurf, Rect, screen, Rect); Rect = SDLGui_GetNextBackgroundRect(); } update(true); } }

static Prefs DialogPrefs;

/ running in a different thread //static int open_gui(void * /*ptr*) static void *open_gui (void *arg) { LWP_InitQueue (&ThreadOneQ); openGUI(); DialogPrefs = ThePrefs; // Show main dialog int status = Dialog_Main(DialogPrefs); // The status is sent to event checking thread by the USEREVENT+1 message SDL_Event ev; ev.type = GUI_RETURN_INFO; ev.user.code = status; // STATUS_SHUTDOWN or STATUS_REBOOT ev.user.data1 = NULL; SDL_PeepEvents(&ev, 1, SDL_ADDEVENT, SDL_EVENTMASK(GUI_RETURN_INFO)); closeGUI(); return 0; }

bool start_GUI_thread() { if (isGuiAvailable) // TODO && !hostScreen.isGUIopen()) { //GUIthread = SDL_CreateThread(open_gui, NULL); LWP_CreateThread (&GUIthread, open_gui, NULL, threadonestack, THREADSTACK, 80); } return (GUIthread != NULL); }

void kill_GUI_thread() { if (GUIthread != NULL) { // SDL_KillThread(GUIthread); LWP_ThreadBroadcast(GUIthread); LWP_JoinThread(GUIthread, NULL); LWP_CloseQueue(GUIthread); GUIthread = NULL; } }

void screenlock() { //while (SDL_mutexP(screenLock)==-1) /{ / SDL_Delay(20); / fprintf(stderr, "Couldn't lock mutex\n"); /} while(LWP_MutexLock(screenLock)); }

void screenunlock() { //while (SDL_mutexV(screenLock)==-1) /{ / SDL_Delay(20); / fprintf(stderr, "Couldn't unlock mutex\n"); /} LWP_MutexUnlock(screenLock); }

int init_graphics(void) { // Init SDL if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO) < 0) { fprintf(stderr, "Couldn't initialize SDL (%s)\n", SDL_GetError()); return 0; }

LWP_MutexInit (&screenLock, false); //screenLock = SDL_CreateMutex();

buffer = new char[DISPLAY_X*DISPLAY_Y]; // Open window //SDL_WM_SetCaption(VERSION_STRING, "Frodo"); screen = SDL_SetVideoMode(320, 240, 8, SDL_SWSURFACE|SDL_DOUBLEBUF); surf = screen; if (screen == NULL) { fprintf(stderr, "SDL Couldn't set video mode to %d x %d\n", DISPLAY_X, DISPLAY_Y+17); } else { fprintf(stderr, "SDL Set video mode to %d x %d\n", DISPLAY_X, DISPLAY_Y+17); SDLGui_Init(screen); start_GUI_thread(); } return 1; }

/*

  • Display constructor

*/

C64Display::C64Display(C64 *the_c64) : TheC64(the_c64) { quit_requested = false; speedometer_string[0] = 0;

// LEDs off for (int i=0; i<4; i++) led_state[i] = old_led_state[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() { SDL_Quit(); delete[] buffer; DEBUG_Finish(); }

/*

  • Prefs may have changed

*/

void C64Display::NewPrefs(Prefs *prefs) { }

/*

  • Redraw bitmap

*/

void C64Display::Update(void) { screenlock(); if (surf == NULL) return; int iOffsetX = (DISPLAY_X - surf->w) / 2; int iOffsetY = (DISPLAY_Y - surf->h) / 2; for (int j=0; j < surf->h - 17; j++) { memcpy(static_cast<char*>(surf->pixels)+surf->w*j, buffer+iOffsetX+DISPLAY_X*(j+iOffsetY), surf->w); } // Draw speedometer/LEDs SDL_Rect r = {0, (surf->h - 17), DISPLAY_X, 15}; SDL_FillRect(surf, &r, fill_gray); r.w = DISPLAY_X; r.h = 1; SDL_FillRect(surf, &r, shine_gray); r.y = (surf->h - 17) + 14; SDL_FillRect(surf, &r, shadow_gray); r.w = 16; for (int i=2; i<5; i++) { r.x = DISPLAY_X * i/5 - 24; r.y = (surf->h - 17) + 4; SDL_FillRect(surf, &r, shadow_gray); r.y = (surf->h - 17) + 10; SDL_FillRect(surf, &r, shine_gray); } r.y = (surf->h - 17); r.w = 1; r.h = 15; for (int i=0; i<4; i++) { r.x = DISPLAY_X * i / 5; SDL_FillRect(surf, &r, shine_gray); r.x = DISPLAY_X * (i+1) / 5 - 1; SDL_FillRect(surf, &r, shadow_gray); } r.y = (surf->h - 17) + 4; r.h = 7; for (int i=2; i<5; i++) { r.x = DISPLAY_X * i/5 - 24; SDL_FillRect(surf, &r, shadow_gray); r.x = DISPLAY_X * i/5 - 9; SDL_FillRect(surf, &r, shine_gray); } r.y = (surf->h - 17) + 5; r.w = 14; r.h = 5; for (int i=0; i<3; i++) { r.x = DISPLAY_X * (i+2) / 5 - 23; int c; switch (led_state[i]) { case LED_ON: c = green; break; case LED_ERROR_ON: c = red; break; default: c = black; break; } SDL_FillRect(surf, &r, c); }

draw_string(surf, DISPLAY_X * 1/5 + 8, (surf->h - 17) + 4, "D\x12 8", black, fill_gray); draw_string(surf, DISPLAY_X * 2/5 + 8, (surf->h - 17) + 4, "D\x12 9", black, fill_gray); draw_string(surf, DISPLAY_X * 3/5 + 8, (surf->h - 17) + 4, "D\x12 10", black, fill_gray); if (joy_emu == 1) draw_string(surf, DISPLAY_X * 4/5 + 2, (surf->h - 17) + 4, "1", black, fill_gray); else if (joy_emu == 2) draw_string(surf, DISPLAY_X * 4/5 + 2, (surf->h - 17) + 4, "2", black, fill_gray); draw_string(surf, 24, (surf->h - 17) + 4, speedometer_string, black, fill_gray);

// Update display SDL_Flip(surf);

blendBackgrounds(); screenunlock(); }

/*

  • Draw string into surface using the C64 ROM font

*/

void C64Display::draw_string(SDL_Surface *s, int x, int y, const char *str, uint8 front_color, uint8 back_color) { uint8 *pb = (uint8 *)s->pixels + s->pitch*y + x; char c; while ((c = *str++) != 0) { uint8 *q = TheC64->Char + c*8 + 0x800; uint8 *p = pb; for (int y=0; y<8; y++) { uint8 v = *q++; p[0] = (v & 0x80) ? front_color : back_color; p[1] = (v & 0x40) ? front_color : back_color; p[2] = (v & 0x20) ? front_color : back_color; p[3] = (v & 0x10) ? front_color : back_color; p[4] = (v & 0x08) ? front_color : back_color; p[5] = (v & 0x04) ? front_color : back_color; p[6] = (v & 0x02) ? front_color : back_color; p[7] = (v & 0x01) ? front_color : back_color; p += s->pitch; } pb += 8; } }

/*

  • 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) { delay = 0; sprintf(speedometer_string, "%d%%", speed); } else delay++; }

/*

  • Return pointer to bitmap data

*/

uint8 *C64Display::BitmapBase(void) { //return (uint8 *)screen->pixels; return (uint8 *)buffer; }

/*

  • Return number of bytes per row

*/

int C64Display::BitmapXMod(void) { //return screen->pitch; return DISPLAY_X; }

/*

  • Poll the keyboard

*/

static void translate_key(SDLKey key, bool key_up, uint8 *key_matrix, uint8 *rev_matrix, uint8 *joystick) { int c64_key = -1; if (tab_pressed) { // Function and run/stop key emulation on Zaurus keyboard switch (key) { case SDLK_q: c64_key = MATRIX(0,4); break; case SDLK_w: c64_key = MATRIX(0,4) | 0x80; break; case SDLK_e: c64_key = MATRIX(0,5); break; case SDLK_r: c64_key = MATRIX(0,5) | 0x80; break; case SDLK_t: c64_key = MATRIX(0,6); break; case SDLK_z: c64_key = MATRIX(0,6) | 0x80; break; case SDLK_u: c64_key = MATRIX(0,3); break; case SDLK_i: c64_key = MATRIX(0,3) | 0x80; break; case SDLK_o: c64_key = MATRIX(7,7); break; } } else { switch (key) { case SDLK_a: c64_key = MATRIX(1,2); break; case SDLK_b: c64_key = MATRIX(3,4); break; case SDLK_c: c64_key = MATRIX(2,4); break; case SDLK_d: c64_key = MATRIX(2,2); break; case SDLK_e: c64_key = MATRIX(1,6); break; case SDLK_f: c64_key = MATRIX(2,5); break; case SDLK_g: c64_key = MATRIX(3,2); break; case SDLK_h: c64_key = MATRIX(3,5); break; case SDLK_i: c64_key = MATRIX(4,1); break; case SDLK_j: c64_key = MATRIX(4,2); break; case SDLK_k: c64_key = MATRIX(4,5); break; case SDLK_l: c64_key = MATRIX(5,2); break; case SDLK_m: c64_key = MATRIX(4,4); break; case SDLK_n: c64_key = MATRIX(4,7); break; case SDLK_o: c64_key = MATRIX(4,6); break; case SDLK_p: c64_key = MATRIX(5,1); break; case SDLK_q: c64_key = MATRIX(7,6); break; case SDLK_r: c64_key = MATRIX(2,1); break; case SDLK_s: c64_key = MATRIX(1,5); break; case SDLK_t: c64_key = MATRIX(2,6); break; case SDLK_u: c64_key = MATRIX(3,6); break; case SDLK_v: c64_key = MATRIX(3,7); break; case SDLK_w: c64_key = MATRIX(1,1); break; case SDLK_x: c64_key = MATRIX(2,7); break; case SDLK_y: c64_key = MATRIX(3,1); break; case SDLK_z: c64_key = MATRIX(1,4); break;

case SDLK_0: c64_key = MATRIX(4,3); break; case SDLK_1: c64_key = MATRIX(7,0); break; case SDLK_2: c64_key = MATRIX(7,3); break; case SDLK_3: c64_key = MATRIX(1,0); break; case SDLK_4: c64_key = MATRIX(1,3); break; case SDLK_5: c64_key = MATRIX(2,0); break; case SDLK_6: c64_key = MATRIX(2,3); break; case SDLK_7: c64_key = MATRIX(3,0); break; case SDLK_8: c64_key = MATRIX(3,3); break; case SDLK_9: c64_key = MATRIX(4,0); break;

case SDLK_SPACE: c64_key = MATRIX(7,4); break; case SDLK_BACKQUOTE: c64_key = MATRIX(7,1); break; case SDLK_BACKSLASH: c64_key = MATRIX(6,6); break; case SDLK_COMMA: c64_key = MATRIX(5,7); break; case SDLK_PERIOD: c64_key = MATRIX(5,4); break; case SDLK_MINUS: c64_key = MATRIX(5,0); break; case SDLK_EQUALS: c64_key = MATRIX(5,3); break; case SDLK_LEFTBRACKET: c64_key = MATRIX(5,6); break; case SDLK_RIGHTBRACKET: c64_key = MATRIX(6,1); break; case SDLK_SEMICOLON: c64_key = MATRIX(5,5); break; case SDLK_QUOTE: c64_key = MATRIX(6,2); break; case SDLK_SLASH: c64_key = MATRIX(6,7); break;

case SDLK_ESCAPE: c64_key = MATRIX(7,7); break; case SDLK_RETURN: c64_key = MATRIX(0,1); break; case SDLK_BACKSPACE: case SDLK_DELETE: c64_key = MATRIX(0,0); break; case SDLK_INSERT: c64_key = MATRIX(6,3); break; case SDLK_HOME: c64_key = MATRIX(6,3); break; case SDLK_END: c64_key = MATRIX(6,0); break; case SDLK_PAGEUP: c64_key = MATRIX(6,0); break; case SDLK_PAGEDOWN: c64_key = MATRIX(6,5); break;

case SDLK_LCTRL: c64_key = MATRIX(7,2); break; case SDLK_RCTRL: c64_key = MATRIX(7,5); break; case SDLK_LSHIFT: c64_key = MATRIX(1,7); break; case SDLK_RSHIFT: c64_key = MATRIX(6,4); break; case SDLK_LALT: case SDLK_LMETA: c64_key = MATRIX(7,5); break; case SDLK_RALT: case SDLK_RMETA: c64_key = MATRIX(7,5); break;

case SDLK_UP: c64_key = MATRIX(0,7)| 0x80; break; case SDLK_DOWN: c64_key = MATRIX(0,7); break; case SDLK_LEFT: c64_key = MATRIX(0,2) | 0x80; break; case SDLK_RIGHT: c64_key = MATRIX(0,2); break;

case SDLK_F1: c64_key = MATRIX(0,4); break; case SDLK_F2: c64_key = MATRIX(0,4) | 0x80; break; case SDLK_F3: c64_key = MATRIX(0,5); break; case SDLK_F4: c64_key = MATRIX(0,5) | 0x80; break; case SDLK_F5: c64_key = MATRIX(0,6); break; case SDLK_F6: c64_key = MATRIX(0,6) | 0x80; break; case SDLK_F7: c64_key = MATRIX(0,3); break; case SDLK_F8: c64_key = MATRIX(0,3) | 0x80; break;

case SDLK_KP0: case SDLK_KP5: c64_key = 0x10 | 0x40; break; case SDLK_KP1: c64_key = 0x06 | 0x40; break; case SDLK_KP2: c64_key = 0x02 | 0x40; break; case SDLK_KP3: c64_key = 0x0a | 0x40; break; case SDLK_KP4: c64_key = 0x04 | 0x40; break; case SDLK_KP6: c64_key = 0x08 | 0x40; break; case SDLK_KP7: c64_key = 0x05 | 0x40; break; case SDLK_KP8: c64_key = 0x01 | 0x40; break; case SDLK_KP9: c64_key = 0x09 | 0x40; break;

case SDLK_KP_DIVIDE: c64_key = MATRIX(6,7); break; case SDLK_KP_ENTER: c64_key = MATRIX(0,1); break;

// Support for Zaurus/Qtopia case SDLK_QUOTEDBL: c64_key = MATRIX(7,3) | 0x80; break; case SDLK_ASTERISK: c64_key = MATRIX(6,1); break; case SDLK_DOLLAR: c64_key = MATRIX(1,3) | 0x80; break; case SDLK_COLON: c64_key = MATRIX(5,5); break; case SDLK_AT: c64_key = MATRIX(5,6); break; } } if (c64_key < 0) return;

// Zaurus/Qtopia joystick emulation if (joy_emu != 0) { switch (key) { case SDLK_SPACE: c64_key = 0x10 | 0x40; break; case SDLK_UP: c64_key = 0x01 | 0x40; break; case SDLK_DOWN: c64_key = 0x02 | 0x40; break; case SDLK_LEFT: c64_key = 0x04 | 0x40; break; case SDLK_RIGHT: c64_key = 0x08 | 0x40; break; } }

// Handle joystick emulation if (c64_key & 0x40) { c64_key &= 0x1f; if (key_up) *joystick |= c64_key; else *joystick &= ~c64_key; return; }

// Handle other keys bool shifted = c64_key & 0x80; int c64_byte = (c64_key >> 3) & 7; int c64_bit = c64_key & 7; if (key_up) { if (shifted) { key_matrix[6] |= 0x10; rev_matrix[4] |= 0x40; } key_matrix[c64_byte] |= (1 << c64_bit); rev_matrix[c64_bit] |= (1 << c64_byte); } else { if (shifted) { key_matrix[6] &= 0xef; rev_matrix[4] &= 0xbf; } key_matrix[c64_byte] &= ~(1 << c64_bit); rev_matrix[c64_bit] &= ~(1 << c64_byte); } }

void C64Display::PollKeyboard(uint8 *key_matrix, uint8 *rev_matrix, uint8 *joystick) { SDL_Event event; int eventmask = SDL_EVENTMASK(SDL_KEYDOWN)

SDL_EVENTMASK(SDL_KEYUP)
SDL_EVENTMASK(SDL_MOUSEBUTTONDOWN)
SDL_EVENTMASK(SDL_MOUSEBUTTONUP)
SDL_EVENTMASK(SDL_MOUSEMOTION)
SDL_EVENTMASK(SDL_JOYAXISMOTION)
SDL_EVENTMASK(SDL_JOYHATMOTION)
SDL_EVENTMASK(SDL_JOYBUTTONDOWN)
SDL_EVENTMASK(SDL_JOYBUTTONUP)
SDL_EVENTMASK(SDL_ACTIVEEVENT)
SDL_EVENTMASK(GUI_RETURN_INFO)
SDL_EVENTMASK(SDL_QUIT);

SDL_PumpEvents(); while (SDL_PeepEvents(&event, 1, SDL_GETEVENT, eventmask)) { if (GUIOpened) { if (event.type = SDL_MOUSEBUTTONDOWN || event.type = SDL_MOUSEBUTTONUP) { if (event.type == SDL_MOUSEBUTTONDOWN) fprintf(stderr, "Mouse down\n"); if (event.type == SDL_MOUSEBUTTONUP) fprintf(stderr, "Mouse up\n"); SDL_Event ev; ev.type = SDL_USEREVENT; // map button down/up to user event ev.user.code = event.type; ev.user.data1 = (void *)(int)event.button.x; ev.user.data2 = (void *)(int)event.button.y; SDL_PeepEvents(&ev, 1, SDL_ADDEVENT, SDL_EVENTMASK(SDL_USEREVENT)); } else if (event.type = SDL_KEYDOWN || event.type = SDL_KEYUP) { if (event.type == SDL_KEYDOWN) fprintf(stderr, "Key down\n"); if (event.type == SDL_KEYUP) fprintf(stderr, "Key up\n"); SDLKey sym = event.key.keysym.sym; int state = SDL_GetModState(); // keysym.mod does not deliver single mod key presses for SDL_Event ev; ev.type = SDL_USEREVENT; // map key down/up event to user event ev.user.code = event.type; ev.user.data1 = (void *)(int)sym; ev.user.data2 = (void *)(int)state; SDL_PeepEvents(&ev, 1, SDL_ADDEVENT, SDL_EVENTMASK(SDL_USEREVENT)); } } else { switch (event.type) { case GUI_RETURN_INFO: { fprintf(stderr, "Return code from gui: %d\n", event.user.code); switch (event.user.code) { case DO_RESET: TheC64->Reset(); break; case DO_QUIT: quit_requested = true; break; case DO_USEPREFS: TheC64->NewPrefs(&DialogPrefs); ThePrefs = DialogPrefs; break; case DO_SAVEPREFS: TheC64->NewPrefs(&DialogPrefs); ThePrefs = DialogPrefs; ThePrefs.Save(Frodo::get_prefs_path()); break; } break; } case SDL_MOUSEBUTTONDOWN: case SDL_MOUSEBUTTONUP: start_GUI_thread(); break; // Key pressed case SDL_KEYDOWN: // fprintf(stderr, "SDL-Key: %d\n", event.key.keysym.sym); if (tab_pressed && event.key.keysym.sym == SDLK_j) { if (joy_emu < 2) joy_emu++; else joy_emu = 0; } if (tab_pressed && event.key.keysym.sym == SDLK_p) { // NMI (Restore) TheC64->NMI(); } else { switch (event.key.keysym.sym) { case SDLK_TAB: tab_pressed = true; break;

case SDLK_F9: // F9: Invoke SAM SAM(TheC64); break;

case SDLK_F11: / F10: Quit / Iconify not implemented in Qtopia SDL yet. Quit instead show gui. //SDL_WM_IconifyWindow(); quit_requested = true; break;

case SDLK_F12: // F12: Reset TheC64->Reset(); break;

case SDLK_KP_PLUS: // '' on keypad: Increase SkipFrames ThePrefs.SkipFrames+; break;

case SDLK_KP_MINUS: // '-' on keypad: Decrease SkipFrames if (ThePrefs.SkipFrames > 1) ThePrefs.SkipFrames–; break;

case SDLK_KP_MULTIPLY: // '*' on keypad: Toggle speed limiter ThePrefs.LimitSpeed = !ThePrefs.LimitSpeed; break;

default: translate_key(event.key.keysym.sym, false, key_matrix, rev_matrix, joystick); break; } } break;

// Key released case SDL_KEYUP: if (event.key.keysym.sym == SDLK_TAB) tab_pressed = false; else { translate_key(event.key.keysym.sym, true, key_matrix, rev_matrix, joystick); } break;

// Quit Frodo case SDL_QUIT: quit_requested = true; break; } } } }

/*

  • Check if NumLock is down (for switching the joystick keyboard emulation)

*/

bool C64Display::NumLock(void) { if (joy_emu == 2) return true; return false; }

/*

  • Open/close joystick drivers given old and new state of
  • joystick preferences

*/

void C64::open_close_joystick(int port, int oldjoy, int newjoy) { if (oldjoy != newjoy) { joy_minx[port] = joy_miny[port] = 32767; // Reset calibration joy_maxx[port] = joy_maxy[port] = -32768; if (newjoy) { joy[port] = SDL_JoystickOpen(newjoy - 1); if (joy[port] == NULL) fprintf(stderr, "Couldn't open joystick %d\n", port + 1); } else { if (joy[port]) { SDL_JoystickClose(joy[port]); joy[port] = NULL; } } } }

void C64::open_close_joysticks(int oldjoy1, int oldjoy2, int newjoy1, int newjoy2) { open_close_joystick(0, oldjoy1, newjoy1); open_close_joystick(1, oldjoy2, newjoy2); } //#include "BRUCELEE.h" bool sevenpressed=false; bool fivepressed=false; extern void kbd_buf_feed(char *s); extern void load_prg(C64 TheC64, uint8 *prg, int prg_size); /

  • Poll joystick port, return CIA mask

*/

uint8 C64::poll_joystick(int port) { if(sevenpressed) { SDL_KeyboardEvent* myevent = new SDL_KeyboardEvent; myevent->type = SDL_KEYUP; myevent->which = 0; myevent->state = SDL_RELEASED; myevent->keysym.sym = SDLK_F7; SDL_PushEvent((SDL_Event*)myevent); delete myevent; sevenpressed=false; } if (fivepressed) { SDL_KeyboardEvent* myevent = new SDL_KeyboardEvent; myevent->type = SDL_KEYUP; myevent->which = 0; myevent->state = SDL_RELEASED; myevent->keysym.sym = SDLK_F5; SDL_PushEvent((SDL_Event*)myevent); delete myevent; fivepressed=false; } uint8 j = 0xff;

if (port == 0 && (joy[0] || joy[1])) SDL_JoystickUpdate();

if (joy[port]) { int x = SDL_JoystickGetAxis(joy[port], 0), y = SDL_JoystickGetAxis(joy[port], 1);

if (x > joy_maxx[port]) joy_maxx[port] = x; if (x < joy_minx[port]) joy_minx[port] = x; if (y > joy_maxy[port]) joy_maxy[port] = y; if (y < joy_miny[port]) joy_miny[port] = y;

if (joy_maxx[port] - joy_minx[port] < 100 || joy_maxy[port] - joy_miny[port] < 100) return 0xff;

if (x < (joy_minx[port] + (joy_maxx[port]-joy_minx[port])/3)) j &= 0xfb; // Left else if (x > (joy_minx[port] + 2*(joy_maxx[port]-joy_minx[port])/3)) j &= 0xf7; // Right

if (y < (joy_miny[port] + (joy_maxy[port]-joy_miny[port])/3)) j &= 0xfd; // Up else if (y > (joy_miny[port] + 2*(joy_maxy[port]-joy_miny[port])/3)) j &= 0xfe; // Down

if (SDL_JoystickGetButton(joy[port], 0)) // A button { j &= 0xef; // Button

} if (SDL_JoystickGetButton(joy[port], 6)) //Left Trigger { kbd_buf_feed("\rLOAD\"*\",8,1\rRUN\r"); }

if (SDL_JoystickGetButton(joy[port], 5)) //right trigger { SDL_KeyboardEvent* myevent = new SDL_KeyboardEvent; myevent->type = SDL_KEYDOWN; myevent->which = 0; myevent->state = SDL_PRESSED; myevent->keysym.sym = SDLK_F5; SDL_PushEvent((SDL_Event*)myevent); delete myevent; fivepressed=true; } if (SDL_JoystickGetButton(joy[port], 7)) //start button { //load_prg(this, (uint8*)brucelee_bin,size_brucelee_bin); //kbd_buf_feed("\rRUN\r"); SDL_KeyboardEvent* myevent = new SDL_KeyboardEvent; myevent->type = SDL_KEYDOWN; myevent->which = 0; myevent->state = SDL_PRESSED; myevent->keysym.sym = SDLK_F7; SDL_PushEvent((SDL_Event*)myevent); delete myevent; sevenpressed=true; } }

return j; }

/*

  • Allocate C64 colors

*/

void C64Display::InitColors(uint8 *colors) { SDL_Color palette[PALETTE_SIZE]; for (int i=0; i<16; i++) { palette[i].r = palette_red[i]; palette[i].g = palette_green[i]; palette[i].b = palette_blue[i]; } palette[fill_gray].r = palette[fill_gray].g = palette[fill_gray].b = 0xd0; palette[shine_gray].r = palette[shine_gray].g = palette[shine_gray].b = 0xf0; palette[shadow_gray].r = palette[shadow_gray].g = palette[shadow_gray].b = 0x80; palette[red].r = 0xf0; palette[red].g = palette[red].b = 0; palette[green].g = 0xf0; palette[green].r = palette[green].b = 0; SDL_SetColors(screen, palette, 0, PALETTE_SIZE);

for (int i=0; i<256; i++) colors[i] = i & 0x0f; }

/*

  • Show a requester (error message)

*/

long int ShowRequester(char *a,char *b,char *) { printf("%s: %s\n", a, b); return 1; }