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frodo-wii/Src/Display_EmbeddedSDL.h
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"
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)
{
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
{
int F5=21;
kbd_buf_feed((char*)F5);
}
if (SDL_JoystickGetButton(joy[port], 7)) //start button
{
//load_prg(this, (uint8*)brucelee_bin,size_brucelee_bin);
//kbd_buf_feed("\rRUN\r");
int F7=23;
kbd_buf_feed((char*)F7);
}
}
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;
}
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