// Global variables
-uint8_t ram[0x10000], rom[0x10000]; // RAM & ROM spaces
-uint8_t ram2[0x10000]; // Auxillary RAM
-//uint8_t diskRom[0x100]; // Disk ROM space
-V65C02REGS mainCPU; // v65C02 execution context
+uint8_t ram[0x10000], rom[0x10000]; // RAM & ROM spaces
+uint8_t ram2[0x10000]; // Auxillary RAM
+//uint8_t diskRom[0x100]; // Disk ROM space
+V65C02REGS mainCPU; // v65C02 execution context
uint8_t appleType = APPLE_TYPE_IIE;
FloppyDrive floppyDrive;
+//bool powerOnState = true; // Virtual power switch
+bool powerStateChangeRequested = false;
// Local variables
bool altzp = false;
bool ioudis = true;
bool dhires = false;
+// Language card state (ROM read, no write)
+uint8_t lcState = 0x02;
-static bool running = true; // Machine running state flag...
+static bool running = true; // Machine running state flag...
static uint32_t startTicks;
static bool pauseMode = false;
static bool fullscreenDebounce = false;
static bool capsLock = false;
static bool capsLockDebounce = false;
-//static GUI * gui = NULL;
// Local functions (technically, they're global...)
bool LoadImg(char * filename, uint8_t * ram, int size);
-uint8_t RdMem(uint16_t addr);
-void WrMem(uint16_t addr, uint8_t b);
static void SaveApple2State(const char * filename);
static bool LoadApple2State(const char * filename);
+static void ResetApple2State(void);
// Local timer callback functions
#endif
-#if 0
-// Test GUI function
-
-Element * TestWindow(void)
-{
- Element * win = new DraggableWindow2(10, 10, 128, 128);
-// ((DraggableWindow *)win)->AddElement(new TextEdit(4, 16, 92, 0, "u2prog.dsk", win));
-
- return win;
-}
-
-
-Element * QuitEmulator(void)
+#if 1
+//
+// Request a change in the power state of the emulated Apple
+//
+void SetPowerState(void)
{
- gui->Stop();
- running = false;
-
- return NULL;
+// powerOnState = state;
+// pauseMode = !state;
+
+// if (!pauseMode)
+// {
+//printf("Turning on...\n");
+ // Transitioning from OFF to ON
+// mainCPU.cpuFlags |= V65C02_ASSERT_LINE_RESET;
+// SoundResume();
+// }
+// else
+// {
+//printf("Turning off...\n");
+ // Turn it off...
+// SoundPause();
+// }
+ powerStateChangeRequested = true;
}
#endif
}
+static void ResetApple2State(void)
+{
+ mainCPU.cpuFlags |= V65C02_ASSERT_LINE_RESET;
+ keyDown = false;
+ openAppleDown = false;
+ closedAppleDown = false;
+ store80Mode = false;
+ vbl = false;
+ slotCXROM = false;
+ slotC3ROM = false;
+ ramrd = false;
+ ramwrt = false;
+ altzp = false;
+ ioudis = true;
+ dhires = false;
+ lcState = 0x02;
+ SwitchLC(); // Make sure MMU is in sane state
+ memset(ram, 0, 0x10000);
+ memset(ram2, 0, 0x10000);
+}
+
+
#ifdef CPU_CLOCK_CHECKING
uint8_t counter = 0;
uint32_t totalCPU = 0;
memset(rom, 0, 0x10000);
memset(ram2, 0, 0x10000);
-#if 1
// Set up MMU
SetupAddressMap();
memset(&mainCPU, 0, sizeof(V65C02REGS));
mainCPU.RdMem = AppleReadMem;
mainCPU.WrMem = AppleWriteMem;
-#else
- mainCPU.RdMem = RdMem;
- mainCPU.WrMem = WrMem;
-#endif
mainCPU.cpuFlags |= V65C02_ASSERT_LINE_RESET;
// alternateCharset = true;
WriteLog("Unable to use Apple2 state file \"%s\"!\n", settings.autoStatePath);
}
-
-#if 0
-// State loading!
-if (!LoadImg("./BT1_6502_RAM_SPACE.bin", ram, 0x10000))
-{
- cout << "Couldn't load state file!" << endl;
- cout << "Aborting!!" << endl;
- return -1;
-}
-
-//A P Y X S PC
-//-- -- -- -- ----- -----
-//00 75 3B 53 FD 01 41 44
-
-mainCPU.cpuFlags = 0;
-mainCPU.a = 0x00;
-mainCPU.x = 0x53;
-mainCPU.y = 0x3B;
-mainCPU.cc = 0x75;
-mainCPU.sp = 0xFD;
-mainCPU.pc = 0x4441;
-
-textMode = false;
-mixedMode = false;
-displayPage2 = false;
-hiRes = true;
-
-//kludge...
-readHiRam = true;
-//dumpDis=true;
-//kludge II...
-memcpy(ram + 0xD000, ram + 0xC000, 0x1000);
-#endif
-
WriteLog("About to initialize audio...\n");
SoundInit();
-//nope SDL_EnableUNICODE(1); // Needed to do key translation shit
-
-// gui = new GUI(surface); // Set up the GUI system object...
-// gui = new GUI(mainSurface); // Set up the GUI system object...
-// SDL 2... this will likely cause Apple 2 to crash
-// gui = new GUI(NULL); // Set up the GUI system object...
-#if 0
- gui->AddMenuTitle("Apple2");
- gui->AddMenuItem("Test!", TestWindow/*, hotkey*/);
- gui->AddMenuItem("");
- gui->AddMenuItem("Quit", QuitEmulator, SDLK_q);
- gui->CommitItemsToMenu();
-#endif
-
SetupBlurTable(); // Set up the color TV emulation blur table
running = true; // Set running status...
-
InitializeEventList(); // Clear the event list before we use it...
SetCallbackTime(FrameCallback, 16666.66666667); // Set frame to fire at 1/60 s interval
SetCallbackTime(BlinkTimer, 250000); // Set up blinking at 1/4 s intervals
//#warning "If sound thread is behind, CPU thread will never wake up... !!! FIX !!!" [DONE]
//What to do? How do you know when the CPU is sleeping???
//USE A CONDITIONAL!!! OF COURSE!!!!!!11!11!11!!!1!
-#if 0
-SDL_mutexP(mainMutex);
-SDL_CondWait(mainCond, mainMutex); // Wait for CPU thread to get to signal point...
-SDL_mutexV(mainMutex);
-#else
//Nope, use a semaphore...
WriteLog("Main: SDL_SemWait(mainSem);\n");
SDL_SemWait(mainSem);//should lock until CPU thread is waiting...
WriteLog("Main: SDL_DestroyCond(cpuCond);\n");
SDL_DestroyCond(cpuCond);
-//SDL_DestroyMutex(mainMutex);
SDL_DestroySemaphore(mainSem);
-#endif
if (settings.autoStateSaving)
{
if (event.key.keysym.sym == SDLK_F11)
dumpDis = !dumpDis; // Toggle the disassembly process
-// else if (event.key.keysym.sym == SDLK_F11)
-// floppyDrive.LoadImage("./disks/bt1_char.dsk");//Kludge to load char disk...
-else if (event.key.keysym.sym == SDLK_F9)
+
+/*else if (event.key.keysym.sym == SDLK_F9)
{
floppyDrive.CreateBlankImage(0);
// SpawnMessage("Image cleared...");
}//*/
-else if (event.key.keysym.sym == SDLK_F10)
+/*else if (event.key.keysym.sym == SDLK_F10)
{
floppyDrive.SwapImages();
// SpawnMessage("Image swapped...");
TogglePalette();
else if (event.key.keysym.sym == SDLK_F3)// Cycle through screen types
CycleScreenTypes();
-
-// GUI is no longer launched this way...
-#if 0
-// if (event.key.keysym.sym == SDLK_F5) // Temp GUI launch key
- if (event.key.keysym.sym == SDLK_F1) // GUI launch key
-//NOTE: Should parse the output to determine whether or not the user requested
-// to quit completely... !!! FIX !!!
- gui->Run();
-#endif
-
- if (event.key.keysym.sym == SDLK_F5)
+ else if (event.key.keysym.sym == SDLK_F5)
{
VolumeDown();
char volStr[19] = "[****************]";
volStr[1 + i] = '-';
SpawnMessage("Volume: %s", volStr);
}
-
- if (event.key.keysym.sym == SDLK_F12)
+ else if (event.key.keysym.sym == SDLK_F12)
{
if (!fullscreenDebounce)
{
}
}
+ // Handle power request from the GUI
+ if (powerStateChangeRequested)
+ {
+ if (GUI::powerOnState)
+ {
+ pauseMode = false;
+ SoundResume();
+ ResetApple2State();
+ }
+ else
+ {
+ pauseMode = true;
+ SoundPause();
+//NOPE SDL_SemWait(mainSem);//should lock until CPU thread is waiting...
+// ResetApple2State();
+ }
+
+ powerStateChangeRequested = false;
+ }
+
//#warning "!!! Taking MAJOR time hit with the video frame rendering !!!"
- RenderVideoFrame();
+// if (!pauseMode)
+ {
+ RenderVideoFrame();
+ }
+
RenderScreenBuffer();
GUI::Render(sdlRenderer);
SDL_RenderPresent(sdlRenderer);
projects / apple2 / commitdiff