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#include <stdio.h>
#include "NDS.h"
#include "ARM.h"
namespace NDS
{
ARM* ARM9;
ARM* ARM7;
s32 ARM9Cycles, ARM7Cycles;
u8 ARM9BIOS[0x1000];
u8 ARM7BIOS[0x4000];
bool Running;
void Init()
{
ARM9 = new ARM(0);
ARM7 = new ARM(1);
Reset();
}
void Reset()
{
FILE* f;
f = fopen("bios9.bin", "rb");
if (!f)
printf("ARM9 BIOS not found\n");
else
{
fseek(f, 0, SEEK_SET);
fread(ARM9BIOS, 0x1000, 1, f);
printf("ARM9 BIOS loaded: %08X\n", ARM9Read32(0xFFFF0000));
fclose(f);
}
f = fopen("bios7.bin", "rb");
if (!f)
printf("ARM7 BIOS not found\n");
else
{
fseek(f, 0, SEEK_SET);
fread(ARM7BIOS, 0x4000, 1, f);
printf("ARM7 BIOS loaded: %08X\n", ARM7Read32(0x00000000));
fclose(f);
}
ARM9->Reset();
ARM7->Reset();
ARM9Cycles = 0;
ARM7Cycles = 0;
Running = true; // hax
}
void RunFrame()
{
s32 framecycles = 560190<<1;
// very gross and temp. loop
while (Running && framecycles>0)
{
ARM9Cycles = ARM9->Execute(32 + ARM9Cycles);
ARM7Cycles = ARM7->Execute(16 + ARM7Cycles);
framecycles -= 32;
}
}
void Halt()
{
Running = false;
}
u8 ARM9Read8(u32 addr)
{
if ((addr & 0xFFFFF000) == 0xFFFF0000)
{
return *(u8*)&ARM9BIOS[addr & 0xFFF];
}
printf("unknown arm9 read8 %08X\n", addr);
return 0;
}
u16 ARM9Read16(u32 addr)
{
if ((addr & 0xFFFFF000) == 0xFFFF0000)
{
return *(u16*)&ARM9BIOS[addr & 0xFFF];
}
printf("unknown arm9 read16 %08X\n", addr);
return 0;
}
u32 ARM9Read32(u32 addr)
{
if ((addr & 0xFFFFF000) == 0xFFFF0000)
{
return *(u32*)&ARM9BIOS[addr & 0xFFF];
}
printf("unknown arm9 read32 %08X\n", addr);
return 0;
}
void ARM9Write8(u32 addr, u8 val)
{
printf("unknown arm9 write8 %08X %02X\n", addr, val);
}
void ARM9Write16(u32 addr, u16 val)
{
printf("unknown arm9 write16 %08X %04X\n", addr, val);
}
void ARM9Write32(u32 addr, u32 val)
{
printf("unknown arm9 write32 %08X %08X\n", addr, val);
}
u8 ARM7Read8(u32 addr)
{
if (addr < 0x00004000)
{
return *(u8*)&ARM7BIOS[addr];
}
printf("unknown arm7 read8 %08X\n", addr);
return 0;
}
u16 ARM7Read16(u32 addr)
{
if (addr < 0x00004000)
{
return *(u16*)&ARM7BIOS[addr];
}
printf("unknown arm7 read16 %08X\n", addr);
return 0;
}
u32 ARM7Read32(u32 addr)
{
if (addr < 0x00004000)
{
return *(u32*)&ARM7BIOS[addr];
}
printf("unknown arm7 read32 %08X\n", addr);
return 0;
}
void ARM7Write8(u32 addr, u8 val)
{
printf("unknown arm7 write8 %08X %02X\n", addr, val);
}
void ARM7Write16(u32 addr, u16 val)
{
printf("unknown arm7 write16 %08X %04X\n", addr, val);
}
void ARM7Write32(u32 addr, u32 val)
{
printf("unknown arm7 write32 %08X %08X\n", addr, val);
}
}
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