piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2025-07-23 22:29:47 -06:00
Code Issues Packages Projects Releases Wiki Activity

christ. CodeBlocks is retarded.

Browse Source 
also, lots of crap. I lost track of it.
This commit is contained in:
StapleButter
2016-12-23 21:22:22 +01:00
parent 9bb3537ede
commit af05333290
17 changed files with 598 additions and 127 deletions
Download Patch File Download Diff File Expand all files Collapse all files

97
NDS.cpp
View File

@ -77,6 +77,8 @@ u8 ROMCommand[8];
u8 ROMCurCommand[8];
u32 ROMReadPos, ROMReadSize;
u32 KeyInput;
u16 _soundbias; // temp
bool Running;
@ -120,11 +122,15 @@ void LoadROM()
{
u32 tmp;
fread(&tmp, 4, 1, f);
ARM9Write32(bootparams[6]+i, tmp);
ARM7Write32(bootparams[6]+i, tmp);
}
fclose(f);
CP15::Write(0x910, 0x0300000A);
CP15::Write(0x911, 0x00000020);
CP15::Write(0x100, 0x00050000);
ARM9->JumpTo(bootparams[1]);
ARM7->JumpTo(bootparams[5]);
}
@ -188,8 +194,8 @@ void Reset()
memset(Timers, 0, 8*sizeof(Timer));
GPU2D::Reset();
SPI::Reset();
Wifi::Reset();
memset(SchedBuffer, 0, sizeof(SchedEvent)*SCHED_BUF_LEN);
@ -199,6 +205,8 @@ void Reset()
ARM7Cycles = 0;
SchedCycles = 0;
KeyInput = 0x007F03FF;
_soundbias = 0;
// test
@ -365,6 +373,17 @@ void CompensateARM7()
}
void PressKey(u32 key)
{
KeyInput &= ~(1 << key);
}
void ReleaseKey(u32 key)
{
KeyInput |= (1 << key);
}
void Halt()
{
printf("Halt()\n");
@ -412,7 +431,7 @@ void MapSharedWRAM(u8 val)
void TriggerIRQ(u32 cpu, u32 irq)
{
irq = 1 << irq;
if (!(IE[cpu] & irq)) return;
//if (!(IE[cpu] & irq)) return;
IF[cpu] |= irq;
@ -457,7 +476,10 @@ void TimerIncrement(u32 param)
timer->Counter = timer->Reload;
if (timer->Control & (1<<6))
{
TriggerIRQ(cpu, IRQ_Timer0 + tid);
//if (cpu==1) printf("Timer%d IRQ %04X\n", tid, timer->Control);
}
// cascade
if (tid == 3)
@ -483,16 +505,15 @@ void TimerStart(u32 id, u16 cnt)
if ((!curstart) && newstart)
{
timer->Counter = timer->Reload;
// start the timer, if it's not a cascading timer
if (!(cnt & (1<<2)))
{
timer->Counter = timer->Reload;
timer->Event = ScheduleEvent(TimerPrescaler[cnt&0x3], TimerIncrement, id);
}
else
timer->Event = NULL;
}
else if (curstart && !newstart)
else if (curstart && (!newstart))
{
if (timer->Event)
CancelEvent(timer->Event);
@ -693,6 +714,8 @@ u16 ARM9Read16(u32 addr)
case 0x0400010C: return Timers[3].Counter;
case 0x0400010E: return Timers[3].Control;
case 0x04000130: return KeyInput & 0xFFFF;
case 0x04000180: return IPCSync9;
case 0x04000204: return 0;//0xFFFF;
@ -849,7 +872,7 @@ void ARM9Write8(u32 addr, u8 val)
ROMSPIControl |= (val << 8);
return;
case 0x04000208: IME[0] = val; return;
case 0x04000208: IME[0] = val & 0x1; return;
case 0x04000240: GPU2D::MapVRAM_AB(0, val); return;
case 0x04000241: GPU2D::MapVRAM_AB(1, val); return;
@ -926,7 +949,7 @@ void ARM9Write16(u32 addr, u16 val)
ROMSPIControl = val;
return;
case 0x04000208: IME[0] = val; return;
case 0x04000208: IME[0] = val & 0x1; return;
case 0x04000240:
GPU2D::MapVRAM_AB(0, val & 0xFF);
@ -950,6 +973,8 @@ void ARM9Write16(u32 addr, u16 val)
return;
case 0x04000304: PowerControl9 = val; return;
//case 0x04001036: ARM7->debug=2; break;
}
break;
@ -1035,8 +1060,25 @@ void ARM9Write32(u32 addr, u32 val)
if (val & 0x80000000) ROMStartTransfer(0);
return;
case 0x04000208: IME[0] = val; return;
case 0x04000210: IE[0] = val; return;
case 0x04000208: IME[0] = val & 0x1; return;
case 0x04000210: IE[0] = val; printf("%08X %08X %08X\n", ARM7->R[15], WRAMCnt, ARM7->CPSR);
/*{
FILE* f;
f = fopen("ARM7FIRM.bin", "wb");
for (u32 i = 0; i < 0x18000; i+=4)
{
u32 tmp = ARM7Read32(0x37F8000+i);
fwrite(&tmp, 4, 1, f);
}
fclose(f);
f = fopen("ARM9FIRM.bin", "wb");
for (u32 i = 0; i < 0x400000; i+=4)
{
u32 tmp = ARM9Read32(0x2000000+i);
fwrite(&tmp, 4, 1, f);
}
fclose(f);
}*/return;
case 0x04000214: IF[0] &= ~val; return;
case 0x04000240:
@ -1093,6 +1135,7 @@ u8 ARM7Read8(u32 addr)
{
if (addr < 0x00004000)
{
if (ARM7->R[15] > 0x4000) printf("BAD BIOS READ8 %08X FROM %08X\n", addr, ARM7->R[15]);
return *(u8*)&ARM7BIOS[addr];
}
@ -1146,6 +1189,7 @@ u16 ARM7Read16(u32 addr)
{
if (addr < 0x00004000)
{
if (ARM7->R[15] > 0x4000) printf("BAD BIOS READ16 %08X FROM %08X\n", addr, ARM7->R[15]);
return *(u16*)&ARM7BIOS[addr];
}
@ -1176,6 +1220,9 @@ u16 ARM7Read16(u32 addr)
case 0x0400010C: return Timers[7].Counter;
case 0x0400010E: return Timers[7].Control;
case 0x04000130: return KeyInput & 0xFFFF;
case 0x04000136: return KeyInput >> 16;
case 0x04000134: return 0x8000;
case 0x04000138: return 0; // RTC shit
@ -1216,6 +1263,8 @@ u32 ARM7Read32(u32 addr)
{
if (addr < 0x00004000)
{
if (ARM7->R[15] > 0x4000) {printf("BAD BIOS READ32 %08X FROM %08X | %08X\n", addr, ARM7->R[15], ARM7Read32(0x0380776C+12));return 0xFFFFFFFF;}
if (addr < 0x1204 && ARM7->R[15] >= 0x1204) printf("BAD BIOS READ32 %08X FROM %08X\n", addr, ARM7->R[15]);
return *(u32*)&ARM7BIOS[addr];
}
@ -1274,6 +1323,7 @@ u32 ARM7Read32(u32 addr)
void ARM7Write8(u32 addr, u8 val)
{
if (addr==0x3807764) printf("DERP! %02X %08X\n", val, ARM7->R[15]);
switch (addr & 0xFF800000)
{
case 0x02000000:
@ -1317,7 +1367,7 @@ void ARM7Write8(u32 addr, u8 val)
SPI::WriteData(val);
return;
case 0x04000208: IME[1] = val; return;
case 0x04000208: IME[1] = val & 0x1; return;
case 0x04000301:
if (val == 0x80) ARM7->Halt(1);
@ -1355,6 +1405,7 @@ void ARM7Write8(u32 addr, u8 val)
void ARM7Write16(u32 addr, u16 val)
{
if (addr==0x3807764) printf("DERP! %04X %08X\n", val, ARM7->R[15]);
switch (addr & 0xFF800000)
{
case 0x02000000:
@ -1377,13 +1428,23 @@ void ARM7Write16(u32 addr, u16 val)
case 0x04000100: Timers[4].Reload = val; return;
case 0x04000102: TimerStart(4, val); return;
case 0x04000104: Timers[5].Reload = val; return;
case 0x04000106: TimerStart(5, val); return;
case 0x04000104: Timers[5].Reload = val;
Timers[5].Reload = 0xFFE0;
// hax.
// firmware bootloader sets it to 0xFFFE, which doesn't give it enough time to do its IRQ handling shit before getting another IRQ
//printf("TIMER RELOAD=%04X FROM %08X, %08X %08X\n", val, ARM7->R[15], ARM7->R[4], ARM7->CPSR);
return;
case 0x04000106: TimerStart(5, val); /*printf("TIMER CNT=%04X FROM %08X | %08X%08X - %08X%08X | %04X %04X %04X\n",
val, ARM7->R[15],
ARM7Read32(ARM7->R[4]+0x10), ARM7Read32(ARM7->R[4]+0xC), ARM7->R[1], ARM7->R[0],
Timers[4].Control, Timers[4].Counter, Timers[4].Reload);*/return;
case 0x04000108: Timers[6].Reload = val; return;
case 0x0400010A: TimerStart(6, val); return;
case 0x0400010C: Timers[7].Reload = val; return;
case 0x0400010E: TimerStart(7, val); return;
case 0x04000134: return;printf("set debug port %04X %08X\n", val, ARM7Read32(ARM7->R[13]+4)); return;
case 0x04000138: return; // RTC shit
case 0x04000180:
@ -1409,7 +1470,7 @@ void ARM7Write16(u32 addr, u16 val)
SPI::WriteData(val & 0xFF);
return;
case 0x04000208: IME[1] = val; return;
case 0x04000208: IME[1] = val & 0x1; return;
case 0x04000304: PowerControl7 = val; return;
@ -1439,6 +1500,8 @@ void ARM7Write16(u32 addr, u16 val)
void ARM7Write32(u32 addr, u32 val)
{
if (addr==0x27FF890) printf("HAHA! %08X\n", val);
if (addr==0x3807764) printf("DERP! %08X %08X\n", val, ARM7->R[15]);
switch (addr & 0xFF800000)
{
case 0x02000000:
@ -1484,11 +1547,11 @@ void ARM7Write32(u32 addr, u32 val)
if (val & 0x80000000) ROMStartTransfer(1);
return;
case 0x04000208: IME[1] = val; return;
case 0x04000208: IME[1] = val & 0x1; return;
case 0x04000210: IE[1] = val; return;
case 0x04000214: IF[1] &= ~val; return;
}
return;
break;
case 0x06000000:
case 0x06800000: