diff options
-rw-r--r-- | src/ARM.cpp | 6 | ||||
-rw-r--r-- | src/DSi.cpp | 27 | ||||
-rw-r--r-- | src/DSi_I2C.cpp | 1 |
3 files changed, 27 insertions, 7 deletions
diff --git a/src/ARM.cpp b/src/ARM.cpp index ee72fbe..b7fe3c7 100644 --- a/src/ARM.cpp +++ b/src/ARM.cpp @@ -175,7 +175,6 @@ void ARMv5::JumpTo(u32 addr, bool restorecpsr) // aging cart debug crap //if (addr == 0x0201764C) printf("capture test %d: R1=%08X\n", R[6], R[1]); //if (addr == 0x020175D8) printf("capture test %d: res=%08X\n", R[6], R[0]); - //if (addr==0x037CA0D0) printf("VLORP %08X\n", R[15]); u32 oldregion = R[15] >> 24; u32 newregion = addr >> 24; @@ -222,9 +221,6 @@ void ARMv5::JumpTo(u32 addr, bool restorecpsr) CPSR &= ~0x20; } - // TODO: investigate this - // firmware jumps to region 01FFxxxx, but region 5 (01000000-02000000) is set to non-executable - // is melonDS fucked up somewhere, or is the DS PU just incomplete/crapoed? /*if (!(PU_Map[addr>>12] & 0x04)) { printf("jumped to %08X. very bad\n", addr); @@ -243,8 +239,6 @@ void ARMv4::JumpTo(u32 addr, bool restorecpsr) else addr &= ~0x1; } - //if (addr==0x037D5A18) printf("SHITTY FUNC. %08X\n", R[15]); - u32 oldregion = R[15] >> 23; u32 newregion = addr >> 23; diff --git a/src/DSi.cpp b/src/DSi.cpp index 0472f1d..ae1bed2 100644 --- a/src/DSi.cpp +++ b/src/DSi.cpp @@ -484,16 +484,19 @@ void ARM9Write8(u32 addr, u8 val) { u8* ptr = NWRAMMap_A[0][(addr >> 16) & NWRAMMask[0][0]]; if (ptr) *(u8*)&ptr[addr & 0xFFFF] = val; + return; } if (addr >= NWRAMStart[0][1] && addr < NWRAMEnd[0][1]) { u8* ptr = NWRAMMap_B[0][(addr >> 15) & NWRAMMask[0][1]]; if (ptr) *(u8*)&ptr[addr & 0x7FFF] = val; + return; } if (addr >= NWRAMStart[0][2] && addr < NWRAMEnd[0][2]) { u8* ptr = NWRAMMap_C[0][(addr >> 15) & NWRAMMask[0][2]]; if (ptr) *(u8*)&ptr[addr & 0x7FFF] = val; + return; } return NDS::ARM9Write8(addr, val); @@ -514,16 +517,19 @@ void ARM9Write16(u32 addr, u16 val) { u8* ptr = NWRAMMap_A[0][(addr >> 16) & NWRAMMask[0][0]]; if (ptr) *(u16*)&ptr[addr & 0xFFFF] = val; + return; } if (addr >= NWRAMStart[0][1] && addr < NWRAMEnd[0][1]) { u8* ptr = NWRAMMap_B[0][(addr >> 15) & NWRAMMask[0][1]]; if (ptr) *(u16*)&ptr[addr & 0x7FFF] = val; + return; } if (addr >= NWRAMStart[0][2] && addr < NWRAMEnd[0][2]) { u8* ptr = NWRAMMap_C[0][(addr >> 15) & NWRAMMask[0][2]]; if (ptr) *(u16*)&ptr[addr & 0x7FFF] = val; + return; } return NDS::ARM9Write16(addr, val); @@ -544,16 +550,19 @@ void ARM9Write32(u32 addr, u32 val) { u8* ptr = NWRAMMap_A[0][(addr >> 16) & NWRAMMask[0][0]]; if (ptr) *(u32*)&ptr[addr & 0xFFFF] = val; + return; } if (addr >= NWRAMStart[0][1] && addr < NWRAMEnd[0][1]) { u8* ptr = NWRAMMap_B[0][(addr >> 15) & NWRAMMask[0][1]]; if (ptr) *(u32*)&ptr[addr & 0x7FFF] = val; + return; } if (addr >= NWRAMStart[0][2] && addr < NWRAMEnd[0][2]) { u8* ptr = NWRAMMap_C[0][(addr >> 15) & NWRAMMask[0][2]]; if (ptr) *(u32*)&ptr[addr & 0x7FFF] = val; + return; } return NDS::ARM9Write32(addr, val); @@ -684,16 +693,19 @@ void ARM7Write8(u32 addr, u8 val) { u8* ptr = NWRAMMap_A[1][(addr >> 16) & NWRAMMask[1][0]]; if (ptr) *(u8*)&ptr[addr & 0xFFFF] = val; + return; } if (addr >= NWRAMStart[1][1] && addr < NWRAMEnd[1][1]) { u8* ptr = NWRAMMap_B[1][(addr >> 15) & NWRAMMask[1][1]]; if (ptr) *(u8*)&ptr[addr & 0x7FFF] = val; + return; } if (addr >= NWRAMStart[1][2] && addr < NWRAMEnd[1][2]) { u8* ptr = NWRAMMap_C[1][(addr >> 15) & NWRAMMask[1][2]]; if (ptr) *(u8*)&ptr[addr & 0x7FFF] = val; + return; } return NDS::ARM7Write8(addr, val); @@ -714,16 +726,19 @@ void ARM7Write16(u32 addr, u16 val) { u8* ptr = NWRAMMap_A[1][(addr >> 16) & NWRAMMask[1][0]]; if (ptr) *(u16*)&ptr[addr & 0xFFFF] = val; + return; } if (addr >= NWRAMStart[1][1] && addr < NWRAMEnd[1][1]) { u8* ptr = NWRAMMap_B[1][(addr >> 15) & NWRAMMask[1][1]]; if (ptr) *(u16*)&ptr[addr & 0x7FFF] = val; + return; } if (addr >= NWRAMStart[1][2] && addr < NWRAMEnd[1][2]) { u8* ptr = NWRAMMap_C[1][(addr >> 15) & NWRAMMask[1][2]]; if (ptr) *(u16*)&ptr[addr & 0x7FFF] = val; + return; } return NDS::ARM7Write16(addr, val); @@ -744,16 +759,19 @@ void ARM7Write32(u32 addr, u32 val) { u8* ptr = NWRAMMap_A[1][(addr >> 16) & NWRAMMask[1][0]]; if (ptr) *(u32*)&ptr[addr & 0xFFFF] = val; + return; } if (addr >= NWRAMStart[1][1] && addr < NWRAMEnd[1][1]) { u8* ptr = NWRAMMap_B[1][(addr >> 15) & NWRAMMask[1][1]]; if (ptr) *(u32*)&ptr[addr & 0x7FFF] = val; + return; } if (addr >= NWRAMStart[1][2] && addr < NWRAMEnd[1][2]) { u8* ptr = NWRAMMap_C[1][(addr >> 15) & NWRAMMask[1][2]]; if (ptr) *(u32*)&ptr[addr & 0x7FFF] = val; + return; } return NDS::ARM7Write32(addr, val); @@ -827,6 +845,7 @@ u32 ARM9IORead32(u32 addr) { switch (addr) { + case 0x04004010: return 1; // todo } return NDS::ARM9IORead32(addr); @@ -864,8 +883,11 @@ u8 ARM7IORead8(u32 addr) { switch (addr) { + case 0x04004000: return 0x01; + case 0x04004001: return 0x01; + case 0x04004500: return DSi_I2C::ReadData(); - case 0x04004501: return DSi_I2C::Cnt; + case 0x04004501: printf("read I2C CNT %02X\n", DSi_I2C::Cnt); return DSi_I2C::Cnt; } return NDS::ARM7IORead8(addr); @@ -875,6 +897,8 @@ u16 ARM7IORead16(u32 addr) { switch (addr) { + case 0x04004004: return 0x0187; + case 0x04004006: return 0; // JTAG register } return NDS::ARM7IORead16(addr); @@ -884,6 +908,7 @@ u32 ARM7IORead32(u32 addr) { switch (addr) { + case 0x04004008: return 0x80000000; // HAX } return NDS::ARM7IORead32(addr); diff --git a/src/DSi_I2C.cpp b/src/DSi_I2C.cpp index b7b7022..8b01b0e 100644 --- a/src/DSi_I2C.cpp +++ b/src/DSi_I2C.cpp @@ -212,6 +212,7 @@ void WriteCnt(u8 val) u8 ReadData() { + printf("I2C: read the data: %02X\n", Data); return Data; } |