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* add SCFG_EXT

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* quick hack to detect cartridges
This commit is contained in:
Arisotura
2019-07-03 12:37:34 +02:00
parent 5062ed543a
commit c5e14074c3
4 changed files with 32 additions and 10 deletions
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24
src/DSi.cpp
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@ -46,6 +46,7 @@ u32 BootAddr[2];
u16 SCFG_Clock9;
u16 SCFG_Clock7;
u32 SCFG_EXT[2];
u32 SCFG_MC;
u32 MBK[2][9];
@ -127,7 +128,9 @@ void Reset()
SCFG_Clock9 = 0x0187; // CHECKME
SCFG_Clock7 = 0x0187;
SCFG_MC = 0x0011;
SCFG_EXT[0] = 0x8307F100;
SCFG_EXT[1] = 0x93FFFB06;
SCFG_MC = 0x0010;//0x0011;
// LCD init flag
GPU::DispStat[0] |= (1<<6);
@ -1038,7 +1041,7 @@ u32 ARM9IORead32(u32 addr)
{
switch (addr)
{
case 0x04004008: return 0x8307F100;
case 0x04004008: return SCFG_EXT[0];
case 0x04004010: return SCFG_MC & 0xFFFF;
case 0x04004040: return MBK[0][0];
@ -1183,6 +1186,14 @@ void ARM9IOWrite32(u32 addr, u32 val)
{
switch (addr)
{
case 0x04004008:
SCFG_EXT[0] &= ~0x8007F19F;
SCFG_EXT[0] |= (val & 0x8007F19F);
SCFG_EXT[1] &= ~0x0000F080;
SCFG_EXT[1] |= (val & 0x0000F080);
printf("SCFG_EXT = %08X / %08X (val9 %08X)\n", SCFG_EXT[0], SCFG_EXT[1], val);
return;
case 0x04004040:
MapNWRAM_A(0, val & 0xFF);
MapNWRAM_A(1, (val >> 8) & 0xFF);
@ -1333,7 +1344,7 @@ u32 ARM7IORead32(u32 addr)
case 0x04000218: return NDS::IE2;
case 0x0400021C: return NDS::IF2;
case 0x04004008: return 0x80000000; // HAX
case 0x04004008: return SCFG_EXT[1];
case 0x04004010: return SCFG_MC;
case 0x04004040: return MBK[1][0];
@ -1449,6 +1460,13 @@ void ARM7IOWrite32(u32 addr, u32 val)
case 0x04000218: NDS::IE2 = (val & 0x7FF7); NDS::UpdateIRQ(1); return;
case 0x0400021C: NDS::IF2 &= ~(val & 0x7FF7); NDS::UpdateIRQ(1); return;
case 0x04004008:
SCFG_EXT[0] &= ~0x03000000;
SCFG_EXT[0] |= (val & 0x03000000);
SCFG_EXT[1] &= ~0x93FF0F07;
SCFG_EXT[1] |= (val & 0x93FF0F07);
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