paulo@0: /*---------------------------------------------------------------------------------
paulo@0: 
paulo@0: 	LOCKJAW Tetromino Game: ARM7 core
paulo@0: 
paulo@0: 	Copyright (C) 2005-2007
paulo@0: 		Damian Yerrick (tepples)
paulo@0: 
paulo@0: 	based on
paulo@0: 	default ARM7 core
paulo@0: 
paulo@0: 	Copyright (C) 2005-2007
paulo@0: 		Michael Noland (joat)
paulo@0: 		Jason Rogers (dovoto)
paulo@0: 		Dave Murphy (WinterMute)
paulo@0: 
paulo@0: 	This software is provided 'as-is', without any express or implied
paulo@0: 	warranty.  In no event will the authors be held liable for any
paulo@0: 	damages arising from the use of this software.
paulo@0: 
paulo@0: 	Permission is granted to anyone to use this software for any
paulo@0: 	purpose, including commercial applications, and to alter it and
paulo@0: 	redistribute it freely, subject to the following restrictions:
paulo@0: 
paulo@0: 	1.	The origin of this software must not be misrepresented; you
paulo@0: 		must not claim that you wrote the original software. If you use
paulo@0: 		this software in a product, an acknowledgment in the product
paulo@0: 		documentation would be appreciated but is not required.
paulo@0: 	2.	Altered source versions must be plainly marked as such, and
paulo@0: 		must not be misrepresented as being the original software.
paulo@0: 	3.	This notice may not be removed or altered from any source
paulo@0: 		distribution.
paulo@0: 
paulo@0: ---------------------------------------------------------------------------------*/
paulo@0: #include <stdlib.h>
paulo@0: #include <nds.h>
paulo@0: #include "talkback.h"  // custom talkback
paulo@0: 
paulo@0: void ljSoundEffects(unsigned long int sounds,
paulo@0:                            int countdown);
paulo@0: void ljMusic(void);
paulo@0: extern int order;
paulo@0: extern char ticksLeft;
paulo@0: extern char row;
paulo@0: extern char musicPaused;
paulo@0: 
paulo@0: 
paulo@0: 
paulo@0: 
paulo@0: void powerOffDS(void)
paulo@0: {
paulo@0:   writePowerManagement(PM_CONTROL_REG, 1 << 6);//6 DS power (0: on, 1: shut down!)
paulo@0: }
paulo@0: 
paulo@0: void doSleep(void) {
paulo@0: 
paulo@0:   // Check if the lid has been closed.
paulo@0:   if(IPC->buttons & BIT(7)) {
paulo@0:     // Save the current interrupt sate.
paulo@0:     u32 ie_save = REG_IE;
paulo@0:     // Turn the speaker down.
paulo@0:     swiChangeSoundBias(0,0x400);
paulo@0:     // Save current power state.
paulo@0:     int power = readPowerManagement(PM_CONTROL_REG);
paulo@0:     // Set sleep LED.
paulo@0:     writePowerManagement(PM_CONTROL_REG, PM_LED_CONTROL(1));
paulo@0:     // Register for the lid interrupt.
paulo@0:     REG_IE = IRQ_LID;
paulo@0:    
paulo@0:     // Power down till we get our interrupt.
paulo@0:     swiSleep(); //waits for PM (lid open) interrupt
paulo@0:    
paulo@0:     REG_IF = ~0;
paulo@0:     // Restore the interrupt state.
paulo@0:     REG_IE = ie_save;
paulo@0:     // Restore power state.
paulo@0:     writePowerManagement(PM_CONTROL_REG, power);
paulo@0:    
paulo@0:     // Turn the speaker up.
paulo@0:     swiChangeSoundBias(1,0x400);
paulo@0:     IPC->buttons &= ~BIT(7);
paulo@0:   }
paulo@0: }
paulo@0: 
paulo@0: void VblankHandler(void) {
paulo@0: 
paulo@0:   doSleep();
paulo@0: 
paulo@0:   volatile P8A7Talkback *tb = (P8A7Talkback *)IPC->soundData;
paulo@0:   if (tb) {
paulo@0:       int cmd = tb->cmd;
paulo@0:       tb->cmd = 0;
paulo@0: 
paulo@0:       switch (cmd) {
paulo@0:       case TALKBACK_POWER_OFF:
paulo@0:         powerOFF(POWER_SOUND);
paulo@0:         powerOffDS();
paulo@0:         swiWaitForVBlank();
paulo@0:         break;
paulo@0:       case TALKBACK_PLAY_MUSIC:
paulo@0:         musicPaused = 0;
paulo@0:         break;
paulo@0:       case TALKBACK_STOP_MUSIC:
paulo@0:         musicPaused = 1;
paulo@0:         order = 0;
paulo@0:         row = 0;
paulo@0:         ticksLeft = 1;
paulo@0:         break;
paulo@0:       case TALKBACK_PAUSE_MUSIC:
paulo@0:         musicPaused = 1;
paulo@0:       }
paulo@0:       unsigned long int fx = tb->sounds;
paulo@0:       tb->sounds = 0;
paulo@0:       
paulo@0:       ljSoundEffects(fx, tb->countdown);
paulo@0:   }
paulo@0: 
paulo@0:   ljMusic();
paulo@0: 
paulo@0: }
paulo@0: 
paulo@0: 
paulo@0: 
paulo@0: // All below this is wintermute's and may need to be replaced
paulo@0: // with new versions of libnds
paulo@0: 
paulo@0: 
paulo@0: touchPosition first,tempPos;
paulo@0: 
paulo@0: //---------------------------------------------------------------------------------
paulo@0: void VcountHandler() {
paulo@0: //---------------------------------------------------------------------------------
paulo@0: 	static int lastbut = -1;
paulo@0: 	
paulo@0: 	uint16 but=0, x=0, y=0, xpx=0, ypx=0, z1=0, z2=0;
paulo@0: 
paulo@0: 	but = REG_KEYXY;
paulo@0: 
paulo@0: 	if (!( (but ^ lastbut) & (1<<6))) {
paulo@0:  
paulo@0: 		tempPos = touchReadXY();
paulo@0: 
paulo@0: 		if ( tempPos.x == 0 || tempPos.y == 0 ) {
paulo@0: 			but |= (1 <<6);
paulo@0: 			lastbut = but;
paulo@0: 		} else {
paulo@0: 			x = tempPos.x;
paulo@0: 			y = tempPos.y;
paulo@0: 			xpx = tempPos.px;
paulo@0: 			ypx = tempPos.py;
paulo@0: 			z1 = tempPos.z1;
paulo@0: 			z2 = tempPos.z2;
paulo@0: 		}
paulo@0: 		
paulo@0: 	} else {
paulo@0: 		lastbut = but;
paulo@0: 		but |= (1 <<6);
paulo@0: 	}
paulo@0: 
paulo@0: 	IPC->touchX			= x;
paulo@0: 	IPC->touchY			= y;
paulo@0: 	IPC->touchXpx		= xpx;
paulo@0: 	IPC->touchYpx		= ypx;
paulo@0: 	IPC->touchZ1		= z1;
paulo@0: 	IPC->touchZ2		= z2;
paulo@0: 	IPC->buttons		= but;
paulo@0: 
paulo@0: }
paulo@0: 
paulo@0: 
paulo@0: 
paulo@0: //---------------------------------------------------------------------------------
paulo@0: int main(int argc, char ** argv) {
paulo@0: //---------------------------------------------------------------------------------
paulo@0: 
paulo@0:     // set up custom ipc struct
paulo@0:     IPC->soundData = 0;
paulo@0: 
paulo@0: 	// read User Settings from firmware
paulo@0: 	readUserSettings();
paulo@0: 
paulo@0: 	//enable sound
paulo@0: 	powerON(POWER_SOUND);
paulo@0: 	writePowerManagement(PM_CONTROL_REG, ( readPowerManagement(PM_CONTROL_REG) & ~PM_SOUND_MUTE & ~(1 << 6) ) | PM_SOUND_AMP );
paulo@0: 	SOUND_CR = SOUND_ENABLE | SOUND_VOL(0x7F);
paulo@0: 
paulo@0: 	irqInit();
paulo@0: 
paulo@0: 	// Start the RTC tracking IRQ
paulo@0: 	initClockIRQ();
paulo@0: 
paulo@0: 	SetYtrigger(80);
paulo@0: 	irqSet(IRQ_VCOUNT, VcountHandler);
paulo@0: 	irqSet(IRQ_VBLANK, VblankHandler);
paulo@0: 
paulo@0: 
paulo@0: 	irqEnable( IRQ_VBLANK | IRQ_VCOUNT);
paulo@0: 
paulo@0: 	// Keep the ARM7 mostly idle
paulo@0: 	while (1) swiWaitForVBlank();
paulo@0: }