piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2025-07-26 07:39:56 -06:00
Code Issues Packages Projects Releases Wiki Activity

rewrite JIT memory emulation

Browse Source
This commit is contained in:
RSDuck
2020-05-09 00:45:05 +02:00
parent b902cd1b8e
commit 052ff73672
14 changed files with 1494 additions and 844 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
src/ARM.h
View File

@ -320,7 +320,7 @@ public:
void DataRead8(u32 addr, u32* val)
{
*val = BusRead8(addr);
DataRegion = addr >> 20;
DataRegion = addr;
DataCycles = NDS::ARM7MemTimings[addr >> 15][0];
}
@ -329,7 +329,7 @@ public:
addr &= ~1;
*val = BusRead16(addr);
DataRegion = addr >> 20;
DataRegion = addr;
DataCycles = NDS::ARM7MemTimings[addr >> 15][0];
}
@ -338,7 +338,7 @@ public:
addr &= ~3;
*val = BusRead32(addr);
DataRegion = addr >> 20;
DataRegion = addr;
DataCycles = NDS::ARM7MemTimings[addr >> 15][2];
}
@ -353,7 +353,7 @@ public:
void DataWrite8(u32 addr, u8 val)
{
BusWrite8(addr, val);
DataRegion = addr >> 20;
DataRegion = addr;
DataCycles = NDS::ARM7MemTimings[addr >> 15][0];
}
@ -362,7 +362,7 @@ public:
addr &= ~1;
BusWrite16(addr, val);
DataRegion = addr >> 20;
DataRegion = addr;
DataCycles = NDS::ARM7MemTimings[addr >> 15][0];
}
@ -371,7 +371,7 @@ public:
addr &= ~3;
BusWrite32(addr, val);
DataRegion = addr >> 20;
DataRegion = addr;
DataCycles = NDS::ARM7MemTimings[addr >> 15][2];
}
@ -402,7 +402,7 @@ public:
s32 numC = NDS::ARM7MemTimings[CodeCycles][(CPSR&0x20)?0:2];
s32 numD = DataCycles;
if ((DataRegion >> 4) == 0x02) // mainRAM
if ((DataRegion >> 24) == 0x02) // mainRAM
{
if (CodeRegion == 0x02)
Cycles -= numC + numD;
@ -429,7 +429,7 @@ public:
s32 numC = NDS::ARM7MemTimings[CodeCycles][(CPSR&0x20)?0:2];
s32 numD = DataCycles;
if ((DataRegion >> 4) == 0x02)
if ((DataRegion >> 24) == 0x02)
{
if (CodeRegion == 0x02)
Cycles -= numC + numD;
@ -455,4 +455,12 @@ void T_UNK(ARM* cpu);
}
namespace NDS
{
extern ARMv5* ARM9;
extern ARMv4* ARM7;
}
#endif // ARM_H