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some attempt at actually stubbing out wifi. except it won't fucking work.

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This commit is contained in:
StapleButter 2017-04-10 18:47:11 +02:00
parent 2fef876eeb
commit f2622c047b
2 changed files with 56 additions and 12 deletions
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7
src/NDS.cpp
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@ -803,8 +803,11 @@ void debug(u32 param)
printf("ARM9 PC=%08X LR=%08X %08X\n", ARM9->R[15], ARM9->R[14], ARM9->R_IRQ[1]);
printf("ARM7 PC=%08X LR=%08X %08X\n", ARM7->R[15], ARM7->R[14], ARM7->R_IRQ[1]);
for (int i = 0; i < 9; i++)
printf("VRAM %c: %02X\n", 'A'+i, GPU::VRAMCNT[i]);
printf("ARM9 IME=%08X IE=%08X IF=%08X\n", IME[0], IE[0], IF[0]);
printf("ARM7 IME=%08X IE=%08X IF=%08X\n", IME[1], IE[1], IF[1]);
//for (int i = 0; i < 9; i++)
// printf("VRAM %c: %02X\n", 'A'+i, GPU::VRAMCNT[i]);
}

61
src/Wifi.cpp
View File

@ -27,6 +27,9 @@ namespace Wifi
{
u8 RAM[0x2000];
u16 IO[0x1000>>1];
#define IOPORT(x) IO[(x)>>1]
u16 Random;
@ -45,8 +48,9 @@ u32 RFRegs[0x40];
void Reset()
{
memset(RAM, 0, 0x2000);
memset(IO, 0, 0x1000);
Random = 0x7FF;
Random = 1;
BBCnt = 0;
BBWrite = 0;
@ -86,6 +90,9 @@ void Reset()
RFData1 = 0;
RFData2 = 0;
memset(RFRegs, 0, 4*0x40);
memset(&IOPORT(0x018), 0xFF, 6);
memset(&IOPORT(0x020), 0xFF, 6);
}
@ -127,11 +134,11 @@ void RFTransfer_Type3()
u16 Read(u32 addr)
{
addr &= 0x7FFF;
addr &= 0x7FFE;
//printf("WIFI: read %08X\n", addr);
if (addr >= 0x4000 && addr < 0x6000)
{
return *(u16*)&RAM[addr & 0x1FFF];
return *(u16*)&RAM[addr & 0x1FFE];
}
switch (addr)
@ -140,6 +147,9 @@ u16 Read(u32 addr)
Random = (Random & 0x1) ^ (((Random & 0x3FF) << 1) | (Random >> 10));
return Random;
case 0x0BC:
return IOPORT(0x0BC) & 0x0003;
case 0x158:
return BBCnt;
@ -164,22 +174,33 @@ u16 Read(u32 addr)
return RFCnt;
}
printf("WIFI: unknown read %08X\n", addr);
return 0;
//printf("WIFI: read %08X\n", addr);
return IOPORT(addr&0xFFF);
}
void Write(u32 addr, u16 val)
{
addr &= 0x7FFF;
addr &= 0x7FFE;
//printf("WIFI: write %08X %04X\n", addr, val);
if (addr >= 0x4000 && addr < 0x6000)
{
*(u16*)&RAM[addr & 0x1FFF] = val;
*(u16*)&RAM[addr & 0x1FFE] = val;
return;
}
switch (addr)
{
case 0x006:
val &= 0x007F;
break;
case 0x010:
// IF: TODO
return;
case 0x012:
printf("WIFI IE=%04X\n", val);
break;
case 0x158:
BBCnt = val;
if ((BBCnt & 0xF000) == 0x5000)
@ -205,9 +226,29 @@ void Write(u32 addr, u16 val)
case 0x184:
RFCnt = val & 0x413F;
return;
// read-only ports
case 0x000:
case 0x044:
case 0x054:
case 0x0B0:
case 0x0B6:
case 0x0B8:
case 0x15C:
case 0x15E:
case 0x180:
case 0x19C:
case 0x1A8:
case 0x1AC:
case 0x1C4:
case 0x210:
case 0x214:
case 0x268:
return;
}
printf("WIFI: unknown write %08X %04X\n", addr, val);
//printf("WIFI: write %08X %04X\n", addr, val);
IOPORT(addr&0xFFF) = val;
}
}