mirror of
https://github.com/melonDS-emu/melonDS.git
synced 2025-07-23 06:10:03 -06:00
force-align all read/write accesses. fixes #1540 (unaligned DMA address)
This commit is contained in:
18
src/NDS.cpp
18
src/NDS.cpp
@ -1995,7 +1995,7 @@ void debug(u32 param)
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// printf("VRAM %c: %02X\n", 'A'+i, GPU::VRAMCNT[i]);
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FILE*
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shit = fopen("debug/inazuma.bin", "wb");
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shit = fopen("debug/crayon.bin", "wb");
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fwrite(ARM9->ITCM, 0x8000, 1, shit);
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for (u32 i = 0x02000000; i < 0x02400000; i+=4)
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{
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@ -2093,6 +2093,8 @@ u8 ARM9Read8(u32 addr)
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u16 ARM9Read16(u32 addr)
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{
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addr &= ~0x1;
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if ((addr & 0xFFFFF000) == 0xFFFF0000)
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{
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return *(u16*)&ARM9BIOS[addr & 0xFFF];
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@ -2151,6 +2153,8 @@ u16 ARM9Read16(u32 addr)
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u32 ARM9Read32(u32 addr)
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{
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addr &= ~0x3;
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if ((addr & 0xFFFFF000) == 0xFFFF0000)
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{
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return *(u32*)&ARM9BIOS[addr & 0xFFF];
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@ -2255,6 +2259,8 @@ void ARM9Write8(u32 addr, u8 val)
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void ARM9Write16(u32 addr, u16 val)
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{
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addr &= ~0x1;
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switch (addr & 0xFF000000)
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{
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case 0x02000000:
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@ -2319,6 +2325,8 @@ void ARM9Write16(u32 addr, u16 val)
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void ARM9Write32(u32 addr, u32 val)
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{
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addr &= ~0x3;
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switch (addr & 0xFF000000)
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{
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case 0x02000000:
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@ -2484,6 +2492,8 @@ u8 ARM7Read8(u32 addr)
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u16 ARM7Read16(u32 addr)
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{
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addr &= ~0x1;
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if (addr < 0x00004000)
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{
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if (ARM7->R[15] >= 0x00004000)
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@ -2548,6 +2558,8 @@ u16 ARM7Read16(u32 addr)
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u32 ARM7Read32(u32 addr)
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{
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addr &= ~0x3;
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if (addr < 0x00004000)
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{
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if (ARM7->R[15] >= 0x00004000)
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@ -2682,6 +2694,8 @@ void ARM7Write8(u32 addr, u8 val)
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void ARM7Write16(u32 addr, u16 val)
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{
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addr &= ~0x1;
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switch (addr & 0xFF800000)
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{
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case 0x02000000:
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@ -2760,6 +2774,8 @@ void ARM7Write16(u32 addr, u16 val)
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void ARM7Write32(u32 addr, u32 val)
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{
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addr &= ~0x3;
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switch (addr & 0xFF800000)
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{
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case 0x02000000:
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