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support DSi-mode carts

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except they need to have the DSi-mode shit encrypted
This commit is contained in:
Arisotura
2019-08-04 16:46:02 +02:00
parent a9f36929e0
commit 36c741241a
5 changed files with 85 additions and 36 deletions
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27
src/DSi.cpp
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@ -22,6 +22,7 @@
#include "DSi.h"
#include "ARM.h"
#include "GPU.h"
#include "NDSCart.h"
#include "Platform.h"
#include "DSi_NDMA.h"
@ -581,6 +582,22 @@ void MapNWRAMRange(u32 cpu, u32 num, u32 val)
}
void Set_SCFG_MC(u32 val)
{
u32 oldslotstatus = SCFG_MC & 0xC;
val &= 0xFFFF800C;
if ((val & 0xC) == 0xC) val &= ~0xC; // hax
if (val & 0x8000) printf("SCFG_MC: weird NDS slot swap\n");
SCFG_MC = (SCFG_MC & ~0xFFFF800C) | val;
if ((oldslotstatus == 0x0) && ((SCFG_MC & 0xC) == 0x4))
{
NDSCart::ResetCart();
}
}
u8 ARM9Read8(u32 addr)
{
switch (addr & 0xFF000000)
@ -1455,10 +1472,7 @@ void ARM7IOWrite16(u32 addr, u16 val)
return;
case 0x04004010:
val &= 0x800C;
if ((val & 0xC) == 0xC) val &= ~0xC; // hax
if (val & 0x8000) printf("SCFG_MC: weird NDS slot swap\n");
SCFG_MC = (SCFG_MC & ~0x800C) | val;
Set_SCFG_MC((SCFG_MC & 0xFFFF0000) | val);
return;
}
@ -1491,10 +1505,7 @@ void ARM7IOWrite32(u32 addr, u32 val)
printf("SCFG_EXT = %08X / %08X (val7 %08X)\n", SCFG_EXT[0], SCFG_EXT[1], val);
return;
case 0x04004010:
val &= 0xFFFF800C;
if ((val & 0xC) == 0xC) val &= ~0xC; // hax
if (val & 0x8000) printf("SCFG_MC: weird NDS slot swap\n");
SCFG_MC = (SCFG_MC & ~0xFFFF800C) | val;
Set_SCFG_MC(val);
return;
case 0x04004054: MapNWRAMRange(1, 0, val); return;