mirror of
https://github.com/ApacheThunder/GBA-Exploader.git
synced 2025-06-18 19:45:39 -04:00
11ea610150
* FIFO on arm7 appears to now work as intended. * GBA mode switch funcition remains broken. * Default GBA_Exploader.ini file now created if one is not present. * Moved GBA_File struct to ctrl_tble and removed duplicate from main.c. This was causing issues where I would forget to update both when I removed the now unused Alias char array. All code now shares the single instance which will prevent this issue should this struct need to be updated in the future.
159 lines
3.6 KiB
C
159 lines
3.6 KiB
C
/*---------------------------------------------------------------------------------
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default ARM7 core
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Copyright (C) 2005 - 2010
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Michael Noland (joat)
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Jason Rogers (dovoto)
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Dave Murphy (WinterMute)
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you
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must not claim that you wrote the original software. If you use
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this software in a product, an acknowledgment in the product
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documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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---------------------------------------------------------------------------------*/
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#include <nds.h>
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#include <stdlib.h>
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#include <string.h>
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#include "linkreset_arm7.h"
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volatile bool switchedMode = false;
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extern void ret_menu7_R4(void);
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extern void ret_menu7_Gen(void);
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extern void ret_menu7_mse(void);
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void gbaMode() {
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vu32 vr;
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REG_IME = IME_DISABLE;
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for(vr = 0; vr < 0x1000; vr++); // Wait ARM9
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if (((*(vu32*)0x027FFCE4 >> 3) & 0x01) == 0x01) {
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writePowerManagement(0, PM_BACKLIGHT_BOTTOM | PM_SOUND_AMP);
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} else {
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writePowerManagement(0, PM_BACKLIGHT_TOP | PM_SOUND_AMP);
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}
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swiSwitchToGBAMode();
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// asm("mov r2, #0x40");
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// asm("swi 0x1F0000");
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while(1);
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}
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static void prepairReset() {
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vu32 vr;
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u32 i;
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powerOn(POWER_SOUND);
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for(i = 0x040000B0; i < (0x040000B0+0x30); i+=4)*((vu32*)i) = 0;
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REG_IME = IME_DISABLE;
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REG_IE = 0;
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REG_IF = ~0;
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for(vr = 0; vr < 0x100; vr++); // Wait ARM9
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swiSoftReset();
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}
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volatile bool exitflag = false;
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void powerButtonCB() { exitflag = true; }
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void fifoCheckHandler() {
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if (!switchedMode) {
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if(fifoCheckValue32(FIFO_USER_01)) {
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switchedMode = true;
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gbaMode();
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} else if (fifoCheckValue32(FIFO_USER_02)) {
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switchedMode = true;
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ret_menu7_R4();
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} else if (fifoCheckValue32(FIFO_USER_03)) {
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switchedMode = true;
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LinkReset_ARM7();
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} else if (fifoCheckValue32(FIFO_USER_04)) {
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switchedMode = true;
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ret_menu7_Gen();
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} else if (fifoCheckValue32(FIFO_USER_05)) {
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switchedMode = true;
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prepairReset();
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}
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}
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/*u32 fifo;
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if(!(REG_IPC_FIFO_CR & IPC_FIFO_RECV_EMPTY)) {
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fifo = REG_IPC_FIFO_RX;
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if(fifo == IPC_CMD_GBAMODE)gbaMode();
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if(fifo == IPC_CMD_SLOT2)prepairReset();
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if(fifo == IPC_CMD_TURNOFF) {
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PM_SetControl(1<<6);
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while(1);
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}
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if(fifo == IPC_CMD_SR_R4TF)ret_menu7_R4();
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if(fifo == IPC_CMD_SR_DLMS)LinkReset_ARM7();
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if(fifo == IPC_CMD_SR_GEN)ret_menu7_Gen();
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if(fifo == IPC_CMD_SR_MSE)ret_menu7_mse();
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}*/
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}
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void VblankHandler(void) {
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fifoCheckHandler();
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// Wifi_Update();
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}
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void VcountHandler() { inputGetAndSend(); }
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int main() {
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readUserSettings();
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ledBlink(0);
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irqInit();
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// Start the RTC tracking IRQ
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initClockIRQ();
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fifoInit();
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touchInit();
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SetYtrigger(80);
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installSystemFIFO();
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irqSet(IRQ_VCOUNT, VcountHandler);
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irqSet(IRQ_VBLANK, VblankHandler);
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irqEnable(IRQ_VBLANK | IRQ_VCOUNT);
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/*if (REG_SNDEXTCNT != 0) {
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i2cWriteRegister(0x4A, 0x12, 0x00); // Press power-button for auto-reset
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i2cWriteRegister(0x4A, 0x70, 0x01); // Bootflag = Warmboot/SkipHealthSafety
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}*/
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setPowerButtonCB(powerButtonCB);
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// Keep the ARM7 mostly idle
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while(1)swiWaitForVBlank();
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return 0;
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}
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