mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-12-27 11:41:49 +01:00
859 lines
21 KiB
C
859 lines
21 KiB
C
/*****************************************************************************\
|
|
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
|
|
This file is licensed under the Snes9x License.
|
|
For further information, consult the LICENSE file in the root directory.
|
|
\*****************************************************************************/
|
|
|
|
|
|
#ifndef _GETSET_H_
|
|
#define _GETSET_H_
|
|
|
|
#include "cpuexec.h"
|
|
#include "dsp.h"
|
|
#include "sa1.h"
|
|
#include "spc7110.h"
|
|
#include "c4.h"
|
|
#include "obc1.h"
|
|
#include "seta.h"
|
|
#include "bsx.h"
|
|
#include "msu1.h"
|
|
|
|
#define addCyclesInMemoryAccess \
|
|
if (!CPU.InDMAorHDMA) \
|
|
{ \
|
|
CPU.Cycles += speed; \
|
|
while (CPU.Cycles >= CPU.NextEvent) \
|
|
S9xDoHEventProcessing(); \
|
|
}
|
|
|
|
#define addCyclesInMemoryAccess_x2 \
|
|
if (!CPU.InDMAorHDMA) \
|
|
{ \
|
|
CPU.Cycles += speed << 1; \
|
|
while (CPU.Cycles >= CPU.NextEvent) \
|
|
S9xDoHEventProcessing(); \
|
|
}
|
|
|
|
extern uint8 OpenBus;
|
|
|
|
static inline int32 memory_speed (uint32 address)
|
|
{
|
|
if (address & 0x408000)
|
|
{
|
|
if (address & 0x800000)
|
|
return (CPU.FastROMSpeed);
|
|
|
|
return (SLOW_ONE_CYCLE);
|
|
}
|
|
|
|
if ((address + 0x6000) & 0x4000)
|
|
return (SLOW_ONE_CYCLE);
|
|
|
|
if ((address - 0x4000) & 0x7e00)
|
|
return (ONE_CYCLE);
|
|
|
|
return (TWO_CYCLES);
|
|
}
|
|
|
|
inline uint8 S9xGetByte (uint32 Address)
|
|
{
|
|
int block = (Address & 0xffffff) >> MEMMAP_SHIFT;
|
|
uint8 *GetAddress = Memory.Map[block];
|
|
int32 speed = memory_speed(Address);
|
|
uint8 byte;
|
|
|
|
if (GetAddress >= (uint8 *) CMemory::MAP_LAST)
|
|
{
|
|
byte = *(GetAddress + (Address & 0xffff));
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
}
|
|
|
|
switch ((pint) GetAddress)
|
|
{
|
|
case CMemory::MAP_CPU:
|
|
byte = S9xGetCPU(Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_PPU:
|
|
if (CPU.InDMAorHDMA && (Address & 0xff00) == 0x2100)
|
|
return (OpenBus);
|
|
|
|
byte = S9xGetPPU(Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_LOROM_SRAM:
|
|
case CMemory::MAP_SA1RAM:
|
|
// Address & 0x7fff : offset into bank
|
|
// Address & 0xff0000 : bank
|
|
// bank >> 1 | offset : SRAM address, unbound
|
|
// unbound & SRAMMask : SRAM offset
|
|
byte = *(Memory.SRAM + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Memory.SRAMMask));
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_LOROM_SRAM_B:
|
|
byte = *(Multi.sramB + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Multi.sramMaskB));
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_HIROM_SRAM:
|
|
case CMemory::MAP_RONLY_SRAM:
|
|
byte = *(Memory.SRAM + (((Address & 0x7fff) - 0x6000 + ((Address & 0xf0000) >> 3)) & Memory.SRAMMask));
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_BWRAM:
|
|
byte = *(Memory.BWRAM + ((Address & 0x7fff) - 0x6000));
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_DSP:
|
|
byte = S9xGetDSP(Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_SPC7110_ROM:
|
|
byte = S9xGetSPC7110Byte(Address);
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_SPC7110_DRAM:
|
|
byte = S9xGetSPC7110(0x4800);
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_C4:
|
|
byte = S9xGetC4(Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_OBC_RAM:
|
|
byte = S9xGetOBC1(Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_SETA_DSP:
|
|
byte = S9xGetSetaDSP(Address);
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_SETA_RISC:
|
|
byte = S9xGetST018(Address);
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_BSX:
|
|
byte = S9xGetBSX(Address);
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
|
|
case CMemory::MAP_NONE:
|
|
default:
|
|
byte = OpenBus;
|
|
addCyclesInMemoryAccess;
|
|
return (byte);
|
|
}
|
|
}
|
|
|
|
inline uint16 S9xGetWord (uint32 Address, enum s9xwrap_t w = WRAP_NONE)
|
|
{
|
|
uint16 word;
|
|
|
|
uint32 mask = MEMMAP_MASK & (w == WRAP_PAGE ? 0xff : (w == WRAP_BANK ? 0xffff : 0xffffff));
|
|
if ((Address & mask) == mask)
|
|
{
|
|
PC_t a;
|
|
|
|
word = OpenBus = S9xGetByte(Address);
|
|
|
|
switch (w)
|
|
{
|
|
case WRAP_PAGE:
|
|
a.xPBPC = Address;
|
|
a.B.xPCl++;
|
|
return (word | (S9xGetByte(a.xPBPC) << 8));
|
|
|
|
case WRAP_BANK:
|
|
a.xPBPC = Address;
|
|
a.W.xPC++;
|
|
return (word | (S9xGetByte(a.xPBPC) << 8));
|
|
|
|
case WRAP_NONE:
|
|
default:
|
|
return (word | (S9xGetByte(Address + 1) << 8));
|
|
}
|
|
}
|
|
|
|
int block = (Address & 0xffffff) >> MEMMAP_SHIFT;
|
|
uint8 *GetAddress = Memory.Map[block];
|
|
int32 speed = memory_speed(Address);
|
|
|
|
if (GetAddress >= (uint8 *) CMemory::MAP_LAST)
|
|
{
|
|
word = READ_WORD(GetAddress + (Address & 0xffff));
|
|
addCyclesInMemoryAccess_x2;
|
|
return (word);
|
|
}
|
|
|
|
switch ((pint) GetAddress)
|
|
{
|
|
case CMemory::MAP_CPU:
|
|
word = S9xGetCPU(Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
word |= S9xGetCPU((Address + 1) & 0xffff) << 8;
|
|
addCyclesInMemoryAccess;
|
|
return (word);
|
|
|
|
case CMemory::MAP_PPU:
|
|
if (CPU.InDMAorHDMA)
|
|
{
|
|
word = OpenBus = S9xGetByte(Address);
|
|
return (word | (S9xGetByte(Address + 1) << 8));
|
|
}
|
|
|
|
word = S9xGetPPU(Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
word |= S9xGetPPU((Address + 1) & 0xffff) << 8;
|
|
addCyclesInMemoryAccess;
|
|
return (word);
|
|
|
|
case CMemory::MAP_LOROM_SRAM:
|
|
case CMemory::MAP_SA1RAM:
|
|
if (Memory.SRAMMask >= MEMMAP_MASK)
|
|
word = READ_WORD(Memory.SRAM + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Memory.SRAMMask));
|
|
else
|
|
word = (*(Memory.SRAM + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Memory.SRAMMask))) |
|
|
((*(Memory.SRAM + (((((Address + 1) & 0xff0000) >> 1) | ((Address + 1) & 0x7fff)) & Memory.SRAMMask))) << 8);
|
|
addCyclesInMemoryAccess_x2;
|
|
return (word);
|
|
|
|
case CMemory::MAP_LOROM_SRAM_B:
|
|
if (Multi.sramMaskB >= MEMMAP_MASK)
|
|
word = READ_WORD(Multi.sramB + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Multi.sramMaskB));
|
|
else
|
|
word = (*(Multi.sramB + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Multi.sramMaskB))) |
|
|
((*(Multi.sramB + (((((Address + 1) & 0xff0000) >> 1) | ((Address + 1) & 0x7fff)) & Multi.sramMaskB))) << 8);
|
|
addCyclesInMemoryAccess_x2;
|
|
return (word);
|
|
|
|
case CMemory::MAP_HIROM_SRAM:
|
|
case CMemory::MAP_RONLY_SRAM:
|
|
if (Memory.SRAMMask >= MEMMAP_MASK)
|
|
word = READ_WORD(Memory.SRAM + (((Address & 0x7fff) - 0x6000 + ((Address & 0xf0000) >> 3)) & Memory.SRAMMask));
|
|
else
|
|
word = (*(Memory.SRAM + (((Address & 0x7fff) - 0x6000 + ((Address & 0xf0000) >> 3)) & Memory.SRAMMask)) |
|
|
(*(Memory.SRAM + ((((Address + 1) & 0x7fff) - 0x6000 + (((Address + 1) & 0xf0000) >> 3)) & Memory.SRAMMask)) << 8));
|
|
addCyclesInMemoryAccess_x2;
|
|
return (word);
|
|
|
|
case CMemory::MAP_BWRAM:
|
|
word = READ_WORD(Memory.BWRAM + ((Address & 0x7fff) - 0x6000));
|
|
addCyclesInMemoryAccess_x2;
|
|
return (word);
|
|
|
|
case CMemory::MAP_DSP:
|
|
word = S9xGetDSP(Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
word |= S9xGetDSP((Address + 1) & 0xffff) << 8;
|
|
addCyclesInMemoryAccess;
|
|
return (word);
|
|
|
|
case CMemory::MAP_SPC7110_ROM:
|
|
word = S9xGetSPC7110Byte(Address);
|
|
addCyclesInMemoryAccess;
|
|
word |= S9xGetSPC7110Byte(Address + 1) << 8;
|
|
addCyclesInMemoryAccess;
|
|
return (word);
|
|
|
|
case CMemory::MAP_SPC7110_DRAM:
|
|
word = S9xGetSPC7110(0x4800);
|
|
addCyclesInMemoryAccess;
|
|
word |= S9xGetSPC7110(0x4800) << 8;
|
|
addCyclesInMemoryAccess;
|
|
return (word);
|
|
|
|
case CMemory::MAP_C4:
|
|
word = S9xGetC4(Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
word |= S9xGetC4((Address + 1) & 0xffff) << 8;
|
|
addCyclesInMemoryAccess;
|
|
return (word);
|
|
|
|
case CMemory::MAP_OBC_RAM:
|
|
word = S9xGetOBC1(Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
word |= S9xGetOBC1((Address + 1) & 0xffff) << 8;
|
|
addCyclesInMemoryAccess;
|
|
return (word);
|
|
|
|
case CMemory::MAP_SETA_DSP:
|
|
word = S9xGetSetaDSP(Address);
|
|
addCyclesInMemoryAccess;
|
|
word |= S9xGetSetaDSP(Address + 1) << 8;
|
|
addCyclesInMemoryAccess;
|
|
return (word);
|
|
|
|
case CMemory::MAP_SETA_RISC:
|
|
word = S9xGetST018(Address);
|
|
addCyclesInMemoryAccess;
|
|
word |= S9xGetST018(Address + 1) << 8;
|
|
addCyclesInMemoryAccess;
|
|
return (word);
|
|
|
|
case CMemory::MAP_BSX:
|
|
word = S9xGetBSX(Address);
|
|
addCyclesInMemoryAccess;
|
|
word |= S9xGetBSX(Address + 1) << 8;
|
|
addCyclesInMemoryAccess;
|
|
return (word);
|
|
|
|
case CMemory::MAP_NONE:
|
|
default:
|
|
word = OpenBus | (OpenBus << 8);
|
|
addCyclesInMemoryAccess_x2;
|
|
return (word);
|
|
}
|
|
}
|
|
|
|
inline void S9xSetByte (uint8 Byte, uint32 Address)
|
|
{
|
|
int block = (Address & 0xffffff) >> MEMMAP_SHIFT;
|
|
uint8 *SetAddress = Memory.WriteMap[block];
|
|
int32 speed = memory_speed(Address);
|
|
|
|
if (SetAddress >= (uint8 *) CMemory::MAP_LAST)
|
|
{
|
|
*(SetAddress + (Address & 0xffff)) = Byte;
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
|
|
switch ((pint) SetAddress)
|
|
{
|
|
case CMemory::MAP_CPU:
|
|
S9xSetCPU(Byte, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
|
|
case CMemory::MAP_PPU:
|
|
if (CPU.InDMAorHDMA && (Address & 0xff00) == 0x2100)
|
|
return;
|
|
|
|
S9xSetPPU(Byte, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
|
|
case CMemory::MAP_LOROM_SRAM:
|
|
if (Memory.SRAMMask)
|
|
{
|
|
*(Memory.SRAM + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Memory.SRAMMask)) = Byte;
|
|
CPU.SRAMModified = TRUE;
|
|
}
|
|
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
|
|
case CMemory::MAP_LOROM_SRAM_B:
|
|
if (Multi.sramMaskB)
|
|
{
|
|
*(Multi.sramB + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Multi.sramMaskB)) = Byte;
|
|
CPU.SRAMModified = TRUE;
|
|
}
|
|
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
|
|
case CMemory::MAP_HIROM_SRAM:
|
|
if (Memory.SRAMMask)
|
|
{
|
|
*(Memory.SRAM + (((Address & 0x7fff) - 0x6000 + ((Address & 0xf0000) >> 3)) & Memory.SRAMMask)) = Byte;
|
|
CPU.SRAMModified = TRUE;
|
|
}
|
|
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
|
|
case CMemory::MAP_BWRAM:
|
|
*(Memory.BWRAM + ((Address & 0x7fff) - 0x6000)) = Byte;
|
|
CPU.SRAMModified = TRUE;
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
|
|
case CMemory::MAP_SA1RAM:
|
|
*(Memory.SRAM + (Address & 0xffff)) = Byte;
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
|
|
case CMemory::MAP_DSP:
|
|
S9xSetDSP(Byte, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
|
|
case CMemory::MAP_C4:
|
|
S9xSetC4(Byte, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
|
|
case CMemory::MAP_OBC_RAM:
|
|
S9xSetOBC1(Byte, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
|
|
case CMemory::MAP_SETA_DSP:
|
|
S9xSetSetaDSP(Byte, Address);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
|
|
case CMemory::MAP_SETA_RISC:
|
|
S9xSetST018(Byte, Address);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
|
|
case CMemory::MAP_BSX:
|
|
S9xSetBSX(Byte, Address);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
|
|
case CMemory::MAP_NONE:
|
|
default:
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
}
|
|
|
|
inline void S9xSetWord (uint16 Word, uint32 Address, enum s9xwrap_t w = WRAP_NONE, enum s9xwriteorder_t o = WRITE_01)
|
|
{
|
|
uint32 mask = MEMMAP_MASK & (w == WRAP_PAGE ? 0xff : (w == WRAP_BANK ? 0xffff : 0xffffff));
|
|
if ((Address & mask) == mask)
|
|
{
|
|
PC_t a;
|
|
|
|
if (!o)
|
|
S9xSetByte((uint8) Word, Address);
|
|
|
|
switch (w)
|
|
{
|
|
case WRAP_PAGE:
|
|
a.xPBPC = Address;
|
|
a.B.xPCl++;
|
|
S9xSetByte(Word >> 8, a.xPBPC);
|
|
break;
|
|
|
|
case WRAP_BANK:
|
|
a.xPBPC = Address;
|
|
a.W.xPC++;
|
|
S9xSetByte(Word >> 8, a.xPBPC);
|
|
break;
|
|
|
|
case WRAP_NONE:
|
|
default:
|
|
S9xSetByte(Word >> 8, Address + 1);
|
|
break;
|
|
}
|
|
|
|
if (o)
|
|
S9xSetByte((uint8) Word, Address);
|
|
|
|
return;
|
|
}
|
|
|
|
int block = (Address & 0xffffff) >> MEMMAP_SHIFT;
|
|
uint8 *SetAddress = Memory.WriteMap[block];
|
|
int32 speed = memory_speed(Address);
|
|
|
|
if (SetAddress >= (uint8 *) CMemory::MAP_LAST)
|
|
{
|
|
WRITE_WORD(SetAddress + (Address & 0xffff), Word);
|
|
addCyclesInMemoryAccess_x2;
|
|
return;
|
|
}
|
|
|
|
switch ((pint) SetAddress)
|
|
{
|
|
case CMemory::MAP_CPU:
|
|
if (o)
|
|
{
|
|
S9xSetCPU(Word >> 8, (Address + 1) & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetCPU((uint8) Word, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
S9xSetCPU((uint8) Word, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetCPU(Word >> 8, (Address + 1) & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
|
|
case CMemory::MAP_PPU:
|
|
if (CPU.InDMAorHDMA)
|
|
{
|
|
if ((Address & 0xff00) != 0x2100)
|
|
S9xSetPPU((uint8) Word, Address & 0xffff);
|
|
if (((Address + 1) & 0xff00) != 0x2100)
|
|
S9xSetPPU(Word >> 8, (Address + 1) & 0xffff);
|
|
return;
|
|
}
|
|
|
|
if (o)
|
|
{
|
|
S9xSetPPU(Word >> 8, (Address + 1) & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetPPU((uint8) Word, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
S9xSetPPU((uint8) Word, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetPPU(Word >> 8, (Address + 1) & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
|
|
case CMemory::MAP_LOROM_SRAM:
|
|
if (Memory.SRAMMask)
|
|
{
|
|
if (Memory.SRAMMask >= MEMMAP_MASK)
|
|
WRITE_WORD(Memory.SRAM + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Memory.SRAMMask), Word);
|
|
else
|
|
{
|
|
*(Memory.SRAM + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Memory.SRAMMask)) = (uint8) Word;
|
|
*(Memory.SRAM + (((((Address + 1) & 0xff0000) >> 1) | ((Address + 1) & 0x7fff)) & Memory.SRAMMask)) = Word >> 8;
|
|
}
|
|
|
|
CPU.SRAMModified = TRUE;
|
|
}
|
|
|
|
addCyclesInMemoryAccess_x2;
|
|
return;
|
|
|
|
case CMemory::MAP_LOROM_SRAM_B:
|
|
if (Multi.sramMaskB)
|
|
{
|
|
if (Multi.sramMaskB >= MEMMAP_MASK)
|
|
WRITE_WORD(Multi.sramB + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Multi.sramMaskB), Word);
|
|
else
|
|
{
|
|
*(Multi.sramB + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Multi.sramMaskB)) = (uint8) Word;
|
|
*(Multi.sramB + (((((Address + 1) & 0xff0000) >> 1) | ((Address + 1) & 0x7fff)) & Multi.sramMaskB)) = Word >> 8;
|
|
}
|
|
|
|
CPU.SRAMModified = TRUE;
|
|
}
|
|
|
|
addCyclesInMemoryAccess_x2;
|
|
return;
|
|
|
|
case CMemory::MAP_HIROM_SRAM:
|
|
if (Memory.SRAMMask)
|
|
{
|
|
if (Memory.SRAMMask >= MEMMAP_MASK)
|
|
WRITE_WORD(Memory.SRAM + (((Address & 0x7fff) - 0x6000 + ((Address & 0xf0000) >> 3)) & Memory.SRAMMask), Word);
|
|
else
|
|
{
|
|
*(Memory.SRAM + (((Address & 0x7fff) - 0x6000 + ((Address & 0xf0000) >> 3)) & Memory.SRAMMask)) = (uint8) Word;
|
|
*(Memory.SRAM + ((((Address + 1) & 0x7fff) - 0x6000 + (((Address + 1) & 0xf0000) >> 3)) & Memory.SRAMMask)) = Word >> 8;
|
|
}
|
|
|
|
CPU.SRAMModified = TRUE;
|
|
}
|
|
|
|
addCyclesInMemoryAccess_x2;
|
|
return;
|
|
|
|
case CMemory::MAP_BWRAM:
|
|
WRITE_WORD(Memory.BWRAM + ((Address & 0x7fff) - 0x6000), Word);
|
|
CPU.SRAMModified = TRUE;
|
|
addCyclesInMemoryAccess_x2;
|
|
return;
|
|
|
|
case CMemory::MAP_SA1RAM:
|
|
WRITE_WORD(Memory.SRAM + (Address & 0xffff), Word);
|
|
addCyclesInMemoryAccess_x2;
|
|
return;
|
|
|
|
case CMemory::MAP_DSP:
|
|
if (o)
|
|
{
|
|
S9xSetDSP(Word >> 8, (Address + 1) & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetDSP((uint8) Word, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
S9xSetDSP((uint8) Word, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetDSP(Word >> 8, (Address + 1) & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
|
|
case CMemory::MAP_C4:
|
|
if (o)
|
|
{
|
|
S9xSetC4(Word >> 8, (Address + 1) & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetC4((uint8) Word, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
S9xSetC4((uint8) Word, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetC4(Word >> 8, (Address + 1) & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
|
|
case CMemory::MAP_OBC_RAM:
|
|
if (o)
|
|
{
|
|
S9xSetOBC1(Word >> 8, (Address + 1) & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetOBC1((uint8) Word, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
S9xSetOBC1((uint8) Word, Address & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetOBC1(Word >> 8, (Address + 1) & 0xffff);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
|
|
case CMemory::MAP_SETA_DSP:
|
|
if (o)
|
|
{
|
|
S9xSetSetaDSP(Word >> 8, Address + 1);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetSetaDSP((uint8) Word, Address);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
S9xSetSetaDSP((uint8) Word, Address);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetSetaDSP(Word >> 8, Address + 1);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
|
|
case CMemory::MAP_SETA_RISC:
|
|
if (o)
|
|
{
|
|
S9xSetST018(Word >> 8, Address + 1);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetST018((uint8) Word, Address);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
S9xSetST018((uint8) Word, Address);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetST018(Word >> 8, Address + 1);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
|
|
case CMemory::MAP_BSX:
|
|
if (o)
|
|
{
|
|
S9xSetBSX(Word >> 8, Address + 1);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetBSX((uint8) Word, Address);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
S9xSetBSX((uint8) Word, Address);
|
|
addCyclesInMemoryAccess;
|
|
S9xSetBSX(Word >> 8, Address + 1);
|
|
addCyclesInMemoryAccess;
|
|
return;
|
|
}
|
|
|
|
case CMemory::MAP_NONE:
|
|
default:
|
|
addCyclesInMemoryAccess_x2;
|
|
return;
|
|
}
|
|
}
|
|
|
|
inline void S9xSetPCBase (uint32 Address)
|
|
{
|
|
Registers.PBPC = Address & 0xffffff;
|
|
ICPU.ShiftedPB = Address & 0xff0000;
|
|
|
|
uint8 *GetAddress = Memory.Map[(int)((Address & 0xffffff) >> MEMMAP_SHIFT)];
|
|
|
|
CPU.MemSpeed = memory_speed(Address);
|
|
CPU.MemSpeedx2 = CPU.MemSpeed << 1;
|
|
|
|
if (GetAddress >= (uint8 *) CMemory::MAP_LAST)
|
|
{
|
|
CPU.PCBase = GetAddress;
|
|
return;
|
|
}
|
|
|
|
switch ((pint) GetAddress)
|
|
{
|
|
case CMemory::MAP_LOROM_SRAM:
|
|
if ((Memory.SRAMMask & MEMMAP_MASK) != MEMMAP_MASK)
|
|
CPU.PCBase = NULL;
|
|
else
|
|
CPU.PCBase = Memory.SRAM + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Memory.SRAMMask) - (Address & 0xffff);
|
|
return;
|
|
|
|
case CMemory::MAP_LOROM_SRAM_B:
|
|
if ((Multi.sramMaskB & MEMMAP_MASK) != MEMMAP_MASK)
|
|
CPU.PCBase = NULL;
|
|
else
|
|
CPU.PCBase = Multi.sramB + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Multi.sramMaskB) - (Address & 0xffff);
|
|
return;
|
|
|
|
case CMemory::MAP_HIROM_SRAM:
|
|
if ((Memory.SRAMMask & MEMMAP_MASK) != MEMMAP_MASK)
|
|
CPU.PCBase = NULL;
|
|
else
|
|
CPU.PCBase = Memory.SRAM + (((Address & 0x7fff) - 0x6000 + ((Address & 0xf0000) >> 3)) & Memory.SRAMMask) - (Address & 0xffff);
|
|
return;
|
|
|
|
case CMemory::MAP_BWRAM:
|
|
CPU.PCBase = Memory.BWRAM - 0x6000 - (Address & 0x8000);
|
|
return;
|
|
|
|
case CMemory::MAP_SA1RAM:
|
|
CPU.PCBase = Memory.SRAM;
|
|
return;
|
|
|
|
case CMemory::MAP_SPC7110_ROM:
|
|
CPU.PCBase = S9xGetBasePointerSPC7110(Address);
|
|
return;
|
|
|
|
case CMemory::MAP_C4:
|
|
CPU.PCBase = S9xGetBasePointerC4(Address & 0xffff);
|
|
return;
|
|
|
|
case CMemory::MAP_OBC_RAM:
|
|
CPU.PCBase = S9xGetBasePointerOBC1(Address & 0xffff);
|
|
return;
|
|
|
|
case CMemory::MAP_BSX:
|
|
CPU.PCBase = S9xGetBasePointerBSX(Address);
|
|
return;
|
|
|
|
case CMemory::MAP_NONE:
|
|
default:
|
|
CPU.PCBase = NULL;
|
|
return;
|
|
}
|
|
}
|
|
|
|
inline uint8 * S9xGetBasePointer (uint32 Address)
|
|
{
|
|
uint8 *GetAddress = Memory.Map[(Address & 0xffffff) >> MEMMAP_SHIFT];
|
|
|
|
if (GetAddress >= (uint8 *) CMemory::MAP_LAST)
|
|
return (GetAddress);
|
|
|
|
switch ((pint) GetAddress)
|
|
{
|
|
case CMemory::MAP_LOROM_SRAM:
|
|
if ((Memory.SRAMMask & MEMMAP_MASK) != MEMMAP_MASK)
|
|
return (NULL);
|
|
return (Memory.SRAM + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Memory.SRAMMask) - (Address & 0xffff));
|
|
|
|
case CMemory::MAP_LOROM_SRAM_B:
|
|
if ((Multi.sramMaskB & MEMMAP_MASK) != MEMMAP_MASK)
|
|
return (NULL);
|
|
return (Multi.sramB + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Multi.sramMaskB) - (Address & 0xffff));
|
|
|
|
case CMemory::MAP_HIROM_SRAM:
|
|
if ((Memory.SRAMMask & MEMMAP_MASK) != MEMMAP_MASK)
|
|
return (NULL);
|
|
return (Memory.SRAM + (((Address & 0x7fff) - 0x6000 + ((Address & 0xf0000) >> 3)) & Memory.SRAMMask) - (Address & 0xffff));
|
|
|
|
case CMemory::MAP_BWRAM:
|
|
return (Memory.BWRAM - 0x6000 - (Address & 0x8000));
|
|
|
|
case CMemory::MAP_SA1RAM:
|
|
return (Memory.SRAM);
|
|
|
|
case CMemory::MAP_SPC7110_ROM:
|
|
return (S9xGetBasePointerSPC7110(Address));
|
|
|
|
case CMemory::MAP_C4:
|
|
return (S9xGetBasePointerC4(Address & 0xffff));
|
|
|
|
case CMemory::MAP_OBC_RAM:
|
|
return (S9xGetBasePointerOBC1(Address & 0xffff));
|
|
|
|
case CMemory::MAP_NONE:
|
|
default:
|
|
return (NULL);
|
|
}
|
|
}
|
|
|
|
inline uint8 * S9xGetMemPointer (uint32 Address)
|
|
{
|
|
uint8 *GetAddress = Memory.Map[(Address & 0xffffff) >> MEMMAP_SHIFT];
|
|
|
|
if (GetAddress >= (uint8 *) CMemory::MAP_LAST)
|
|
return (GetAddress + (Address & 0xffff));
|
|
|
|
switch ((pint) GetAddress)
|
|
{
|
|
case CMemory::MAP_LOROM_SRAM:
|
|
if ((Memory.SRAMMask & MEMMAP_MASK) != MEMMAP_MASK)
|
|
return (NULL);
|
|
return (Memory.SRAM + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Memory.SRAMMask));
|
|
|
|
case CMemory::MAP_LOROM_SRAM_B:
|
|
if ((Multi.sramMaskB & MEMMAP_MASK) != MEMMAP_MASK)
|
|
return (NULL);
|
|
return (Multi.sramB + ((((Address & 0xff0000) >> 1) | (Address & 0x7fff)) & Multi.sramMaskB));
|
|
|
|
case CMemory::MAP_HIROM_SRAM:
|
|
if ((Memory.SRAMMask & MEMMAP_MASK) != MEMMAP_MASK)
|
|
return (NULL);
|
|
return (Memory.SRAM + (((Address & 0x7fff) - 0x6000 + ((Address & 0xf0000) >> 3)) & Memory.SRAMMask));
|
|
|
|
case CMemory::MAP_BWRAM:
|
|
return (Memory.BWRAM - 0x6000 + (Address & 0x7fff));
|
|
|
|
case CMemory::MAP_SA1RAM:
|
|
return (Memory.SRAM + (Address & 0xffff));
|
|
|
|
case CMemory::MAP_SPC7110_ROM:
|
|
return (S9xGetBasePointerSPC7110(Address) + (Address & 0xffff));
|
|
|
|
case CMemory::MAP_C4:
|
|
return (S9xGetMemPointerC4(Address & 0xffff));
|
|
|
|
case CMemory::MAP_OBC_RAM:
|
|
return (S9xGetMemPointerOBC1(Address & 0xffff));
|
|
|
|
case CMemory::MAP_NONE:
|
|
default:
|
|
return (NULL);
|
|
}
|
|
}
|
|
|
|
#endif
|