CATSFC/source/getset.h

783 lines
21 KiB
C

/*******************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com) and
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2001 - 2004 John Weidman (jweidman@slip.net)
(c) Copyright 2002 - 2004 Brad Jorsch (anomie@users.sourceforge.net),
funkyass (funkyass@spam.shaw.ca),
Joel Yliluoma (http://iki.fi/bisqwit/)
Kris Bleakley (codeviolation@hotmail.com),
Matthew Kendora,
Nach (n-a-c-h@users.sourceforge.net),
Peter Bortas (peter@bortas.org) and
zones (kasumitokoduck@yahoo.com)
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 zsKnight (zsknight@zsnes.com),
_Demo_ (_demo_@zsnes.com), and Nach
C4 C++ code
(c) Copyright 2003 Brad Jorsch
DSP-1 emulator code
(c) Copyright 1998 - 2004 Ivar (ivar@snes9x.com), _Demo_, Gary Henderson,
John Weidman, neviksti (neviksti@hotmail.com),
Kris Bleakley, Andreas Naive
DSP-2 emulator code
(c) Copyright 2003 Kris Bleakley, John Weidman, neviksti, Matthew Kendora, and
Lord Nightmare (lord_nightmare@users.sourceforge.net
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight, pagefault (pagefault@zsnes.com) and
Kris Bleakley
Ported from x86 assembler to C by sanmaiwashi
SPC7110 and RTC C++ emulator code
(c) Copyright 2002 Matthew Kendora with research by
zsKnight, John Weidman, and Dark Force
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive and John Weidman
S-RTC C emulator code
(c) Copyright 2001 John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather, Kris Bleakley, John Weidman and Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar, Gary Henderson and John Weidman
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
Specific ports contains the works of other authors. See headers in
individual files.
Snes9x homepage: http://www.snes9x.com
Permission to use, copy, modify and distribute Snes9x in both binary and
source form, for non-commercial purposes, is hereby granted without fee,
providing that this license information and copyright notice appear with
all copies and any derived work.
This software is provided 'as-is', without any express or implied
warranty. In no event shall the authors be held liable for any damages
arising from the use of this software.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes
charging money for Snes9x or software derived from Snes9x.
The copyright holders request that bug fixes and improvements to the code
should be forwarded to them so everyone can benefit from the modifications
in future versions.
Super NES and Super Nintendo Entertainment System are trademarks of
Nintendo Co., Limited and its subsidiary companies.
*******************************************************************************/
#ifndef _GETSET_H_
#define _GETSET_H_
#include "ppu.h"
#include "dsp1.h"
#include "cpuexec.h"
#include "sa1.h"
#include "spc7110.h"
#include "obc1.h"
#include "seta.h"
extern "C"
{
extern uint8 OpenBus;
}
uint8 S9xGetByte (uint32 Address)
{
int block;
uint8 *GetAddress = Memory.Map [block = (Address >> MEMMAP_SHIFT) & MEMMAP_MASK];
if(!CPU.InDMA)
CPU.Cycles += Memory.MemorySpeed [block];
if (GetAddress >= (uint8 *) CMemory::MAP_LAST)
{
#ifdef CPU_SHUTDOWN
if (Memory.BlockIsRAM [block])
CPU.WaitAddress = CPU.PCAtOpcodeStart;
#endif
return (*(GetAddress + (Address & 0xffff)));
}
switch ((int) GetAddress)
{
case CMemory::MAP_PPU:
return (S9xGetPPU (Address & 0xffff));
case CMemory::MAP_CPU:
return (S9xGetCPU (Address & 0xffff));
case CMemory::MAP_DSP:
#ifdef DSP_DUMMY_LOOPS
printf("Get DSP Byte @ %06X\n", Address);
#endif
return (S9xGetDSP (Address & 0xffff));
case CMemory::MAP_SA1RAM:
case CMemory::MAP_LOROM_SRAM:
//Address &0x7FFF -offset into bank
//Address&0xFF0000 -bank
//bank>>1 | offset = s-ram address, unbound
//unbound & SRAMMask = Sram offset
return (*(Memory.SRAM + ((((Address&0xFF0000)>>1) |(Address&0x7FFF)) &Memory.SRAMMask)));
// return (*(Memory.SRAM + ((Address & Memory.SRAMMask))));
case CMemory::MAP_RONLY_SRAM:
case CMemory::MAP_HIROM_SRAM:
return (*(Memory.SRAM + (((Address & 0x7fff) - 0x6000 +
((Address & 0xf0000) >> 3)) & Memory.SRAMMask)));
case CMemory::MAP_BWRAM:
return (*(Memory.BWRAM + ((Address & 0x7fff) - 0x6000)));
case CMemory::MAP_C4:
return (S9xGetC4 (Address & 0xffff));
case CMemory::MAP_SPC7110_ROM:
#ifdef SPC7110_DEBUG
printf("reading spc7110 ROM (byte) at %06X\n", Address);
#endif
return S9xGetSPC7110Byte(Address);
case CMemory::MAP_SPC7110_DRAM:
#ifdef SPC7110_DEBUG
printf("reading Bank 50 (byte)\n");
#endif
return S9xGetSPC7110(0x4800);
case CMemory::MAP_OBC_RAM:
return GetOBC1(Address & 0xffff);
case CMemory::MAP_SETA_DSP:
return S9xGetSetaDSP(Address);
case CMemory::MAP_SETA_RISC:
return S9xGetST018(Address);
case CMemory::MAP_DEBUG:
#ifdef DEBUGGER
printf ("DEBUG R(B) %06x\n", Address);
#endif
return OpenBus;
default:
case CMemory::MAP_NONE:
#ifdef MK_TRACE_BAD_READS
char address[20];
sprintf(address, TEXT("%06X"),Address);
MessageBox(GUI.hWnd, address, TEXT("GetByte"), MB_OK);
#endif
#ifdef DEBUGGER
printf ("R(B) %06x\n", Address);
#endif
return OpenBus;
}
}
uint16 S9xGetWord (uint32 Address)
{
if ((Address & 0x0fff) == 0x0fff)
{
OpenBus = S9xGetByte (Address);
return (OpenBus | (S9xGetByte (Address + 1) << 8));
}
int block;
uint8 *GetAddress = Memory.Map [block = (Address >> MEMMAP_SHIFT) & MEMMAP_MASK];
if(!CPU.InDMA)
CPU.Cycles += (Memory.MemorySpeed [block]<<1);
if (GetAddress >= (uint8 *) CMemory::MAP_LAST)
{
#ifdef CPU_SHUTDOWN
if (Memory.BlockIsRAM [block])
CPU.WaitAddress = CPU.PCAtOpcodeStart;
#endif
#ifdef FAST_LSB_WORD_ACCESS
return (*(uint16 *) (GetAddress + (Address & 0xffff)));
#else
return (*(GetAddress + (Address & 0xffff)) |
(*(GetAddress + (Address & 0xffff) + 1) << 8));
#endif
}
switch ((int) GetAddress)
{
case CMemory::MAP_PPU:
return (S9xGetPPU (Address & 0xffff) |
(S9xGetPPU ((Address + 1) & 0xffff) << 8));
case CMemory::MAP_CPU:
return (S9xGetCPU (Address & 0xffff) |
(S9xGetCPU ((Address + 1) & 0xffff) << 8));
case CMemory::MAP_DSP:
#ifdef DSP_DUMMY_LOOPS
printf("Get DSP Word @ %06X\n", Address);
#endif
return (S9xGetDSP (Address & 0xffff) |
(S9xGetDSP ((Address + 1) & 0xffff) << 8));
case CMemory::MAP_SA1RAM:
case CMemory::MAP_LOROM_SRAM:
//Address &0x7FFF -offset into bank
//Address&0xFF0000 -bank
//bank>>1 | offset = s-ram address, unbound
//unbound & SRAMMask = Sram offset
/* BJ: no FAST_LSB_WORD_ACCESS here, since if Memory.SRAMMask=0x7ff
* then the high byte doesn't follow the low byte. */
return
(*(Memory.SRAM + ((((Address&0xFF0000)>>1) |(Address&0x7FFF)) &Memory.SRAMMask)))|
((*(Memory.SRAM + (((((Address+1)&0xFF0000)>>1) |((Address+1)&0x7FFF)) &Memory.SRAMMask)))<<8);
//return (*(uint16*)(Memory.SRAM + ((((Address&0xFF0000)>>1)|(Address&0x7FFF)) & Memory.SRAMMask));// |
// (*(Memory.SRAM + ((Address + 1) & Memory.SRAMMask)) << 8));
case CMemory::MAP_RONLY_SRAM:
case CMemory::MAP_HIROM_SRAM:
/* BJ: no FAST_LSB_WORD_ACCESS here, since if Memory.SRAMMask=0x7ff
* then the high byte doesn't follow the low byte. */
return (*(Memory.SRAM +
(((Address & 0x7fff) - 0x6000 +
((Address & 0xf0000) >> 3)) & Memory.SRAMMask)) |
(*(Memory.SRAM +
((((Address + 1) & 0x7fff) - 0x6000 +
(((Address + 1) & 0xf0000) >> 3)) & Memory.SRAMMask)) << 8));
case CMemory::MAP_BWRAM:
#ifdef FAST_LSB_WORD_ACCESS
return (*(uint16 *) (Memory.BWRAM + ((Address & 0x7fff) - 0x6000)));
#else
return (*(Memory.BWRAM + ((Address & 0x7fff) - 0x6000)) |
(*(Memory.BWRAM + (((Address + 1) & 0x7fff) - 0x6000)) << 8));
#endif
case CMemory::MAP_C4:
return (S9xGetC4 (Address & 0xffff) |
(S9xGetC4 ((Address + 1) & 0xffff) << 8));
case CMemory::MAP_SPC7110_ROM:
#ifdef SPC7110_DEBUG
printf("reading spc7110 ROM (word) at %06X\n", Address);
#endif
return (S9xGetSPC7110Byte(Address)|
(S9xGetSPC7110Byte (Address+1))<<8);
case CMemory::MAP_SPC7110_DRAM:
#ifdef SPC7110_DEBUG
printf("reading Bank 50 (word)\n");
#endif
return (S9xGetSPC7110(0x4800)|
(S9xGetSPC7110 (0x4800) << 8));
case CMemory::MAP_OBC_RAM:
return GetOBC1(Address&0xFFFF)| (GetOBC1((Address+1)&0xFFFF)<<8);
case CMemory::MAP_SETA_DSP:
return S9xGetSetaDSP(Address)| (S9xGetSetaDSP((Address+1))<<8);
case CMemory::MAP_SETA_RISC:
return S9xGetST018(Address)| (S9xGetST018((Address+1))<<8);
case CMemory::MAP_DEBUG:
#ifdef DEBUGGER
printf ("DEBUG R(W) %06x\n", Address);
#endif
return (OpenBus | (OpenBus<<8));
default:
case CMemory::MAP_NONE:
#ifdef MK_TRACE_BAD_READS
char address[20];
sprintf(address, TEXT("%06X"),Address);
MessageBox(GUI.hWnd, address, TEXT("GetWord"), MB_OK);
#endif
#ifdef DEBUGGER
printf ("R(W) %06x\n", Address);
#endif
return (OpenBus | (OpenBus<<8));
}
}
void S9xSetByte (uint8 Byte, uint32 Address)
{
#if defined(CPU_SHUTDOWN)
CPU.WaitAddress = NULL;
#endif
int block;
uint8 *SetAddress = Memory.WriteMap [block = ((Address >> MEMMAP_SHIFT) & MEMMAP_MASK)];
if (!CPU.InDMA)
CPU.Cycles += Memory.MemorySpeed [block];
if (SetAddress >= (uint8 *) CMemory::MAP_LAST)
{
#ifdef CPU_SHUTDOWN
SetAddress += Address & 0xffff;
if (SetAddress == SA1.WaitByteAddress1 ||
SetAddress == SA1.WaitByteAddress2)
{
SA1.Executing = SA1.S9xOpcodes != NULL;
SA1.WaitCounter = 0;
}
*SetAddress = Byte;
#else
*(SetAddress + (Address & 0xffff)) = Byte;
#endif
return;
}
switch ((int) SetAddress)
{
case CMemory::MAP_PPU:
S9xSetPPU (Byte, Address & 0xffff);
return;
case CMemory::MAP_CPU:
S9xSetCPU (Byte, Address & 0xffff);
return;
case CMemory::MAP_DSP:
#ifdef DSP_DUMMY_LOOPS
printf("DSP Byte: %02X to %06X\n", Byte, Address);
#endif
S9xSetDSP (Byte, Address & 0xffff);
return;
case CMemory::MAP_LOROM_SRAM:
if (Memory.SRAMMask)
{
*(Memory.SRAM + ((((Address&0xFF0000)>>1)|(Address&0x7FFF))& Memory.SRAMMask))=Byte;
// *(Memory.SRAM + (Address & Memory.SRAMMask)) = Byte;
CPU.SRAMModified = TRUE;
}
return;
case CMemory::MAP_HIROM_SRAM:
if (Memory.SRAMMask)
{
*(Memory.SRAM + (((Address & 0x7fff) - 0x6000 +
((Address & 0xf0000) >> 3)) & Memory.SRAMMask)) = Byte;
CPU.SRAMModified = TRUE;
}
return;
case CMemory::MAP_BWRAM:
*(Memory.BWRAM + ((Address & 0x7fff) - 0x6000)) = Byte;
CPU.SRAMModified = TRUE;
return;
case CMemory::MAP_DEBUG:
#ifdef DEBUGGER
printf ("W(B) %06x\n", Address);
#endif
case CMemory::MAP_SA1RAM:
*(Memory.SRAM + (Address & 0xffff)) = Byte;
SA1.Executing = !SA1.Waiting;
break;
case CMemory::MAP_C4:
S9xSetC4 (Byte, Address & 0xffff);
return;
case CMemory::MAP_SPC7110_DRAM:
#ifdef SPC7110_DEBUG
printf("Writing Byte at %06X\n", Address);
#endif
s7r.bank50[(Address & 0xffff)]= (uint8) Byte;
break;
case CMemory::MAP_OBC_RAM:
SetOBC1(Byte, Address &0xFFFF);
return;
case CMemory::MAP_SETA_DSP:
S9xSetSetaDSP(Byte,Address);
return;
case CMemory::MAP_SETA_RISC:
S9xSetST018(Byte,Address);
return;
default:
case CMemory::MAP_NONE:
#ifdef MK_TRACE_BAD_WRITES
char address[20];
sprintf(address, TEXT("%06X"),Address);
MessageBox(GUI.hWnd, address, TEXT("SetByte"), MB_OK);
#endif
#ifdef DEBUGGER
printf ("W(B) %06x\n", Address);
#endif
return;
}
}
void S9xSetWord (uint16 Word, uint32 Address)
{
if((Address & 0x0FFF)==0x0FFF)
{
S9xSetByte(Word&0x00FF, Address);
S9xSetByte(Word>>8, Address+1);
return;
}
#if defined(CPU_SHUTDOWN)
CPU.WaitAddress = NULL;
#endif
int block;
uint8 *SetAddress = Memory.WriteMap [block = ((Address >> MEMMAP_SHIFT) & MEMMAP_MASK)];
if (!CPU.InDMA)
CPU.Cycles += Memory.MemorySpeed [block] << 1;
if (SetAddress >= (uint8 *) CMemory::MAP_LAST)
{
#ifdef CPU_SHUTDOWN
SetAddress += Address & 0xffff;
if (SetAddress == SA1.WaitByteAddress1 ||
SetAddress == SA1.WaitByteAddress2)
{
SA1.Executing = SA1.S9xOpcodes != NULL;
SA1.WaitCounter = 0;
}
#ifdef FAST_LSB_WORD_ACCESS
*(uint16 *) SetAddress = Word;
#else
*SetAddress = (uint8) Word;
*(SetAddress + 1) = Word >> 8;
#endif
#else
#ifdef FAST_LSB_WORD_ACCESS
*(uint16 *) (SetAddress + (Address & 0xffff)) = Word;
#else
*(SetAddress + (Address & 0xffff)) = (uint8) Word;
*(SetAddress + ((Address + 1) & 0xffff)) = Word >> 8;
#endif
#endif
return;
}
switch ((int) SetAddress)
{
case CMemory::MAP_PPU:
S9xSetPPU ((uint8) Word, Address & 0xffff);
S9xSetPPU (Word >> 8, (Address & 0xffff) + 1);
return;
case CMemory::MAP_CPU:
S9xSetCPU ((uint8) Word, (Address & 0xffff));
S9xSetCPU (Word >> 8, (Address & 0xffff) + 1);
return;
case CMemory::MAP_DSP:
#ifdef DSP_DUMMY_LOOPS
printf("DSP Word: %04X to %06X\n", Word, Address);
#endif
S9xSetDSP ((uint8) Word, (Address & 0xffff));
S9xSetDSP (Word >> 8, (Address & 0xffff) + 1);
return;
case CMemory::MAP_LOROM_SRAM:
if (Memory.SRAMMask)
{
/* BJ: no FAST_LSB_WORD_ACCESS here, since if Memory.SRAMMask=0x7ff
* then the high byte doesn't follow the low byte. */
*(Memory.SRAM + ((((Address&0xFF0000)>>1)|(Address&0x7FFF))& Memory.SRAMMask)) = (uint8) Word;
*(Memory.SRAM + (((((Address+1)&0xFF0000)>>1)|((Address+1)&0x7FFF))& Memory.SRAMMask)) = Word >> 8;
// *(Memory.SRAM + (Address & Memory.SRAMMask)) = (uint8) Word;
// *(Memory.SRAM + ((Address + 1) & Memory.SRAMMask)) = Word >> 8;
CPU.SRAMModified = TRUE;
}
return;
case CMemory::MAP_HIROM_SRAM:
if (Memory.SRAMMask)
{
/* BJ: no FAST_LSB_WORD_ACCESS here, since if Memory.SRAMMask=0x7ff
* then the high byte doesn't follow the low byte. */
*(Memory.SRAM +
(((Address & 0x7fff) - 0x6000 +
((Address & 0xf0000) >> 3) & Memory.SRAMMask))) = (uint8) Word;
*(Memory.SRAM +
((((Address + 1) & 0x7fff) - 0x6000 +
(((Address + 1) & 0xf0000) >> 3) & Memory.SRAMMask))) = (uint8) (Word >> 8);
CPU.SRAMModified = TRUE;
}
return;
case CMemory::MAP_BWRAM:
#ifdef FAST_LSB_WORD_ACCESS
*(uint16 *) (Memory.BWRAM + ((Address & 0x7fff) - 0x6000)) = Word;
#else
*(Memory.BWRAM + ((Address & 0x7fff) - 0x6000)) = (uint8) Word;
*(Memory.BWRAM + (((Address + 1) & 0x7fff) - 0x6000)) = (uint8) (Word >> 8);
#endif
CPU.SRAMModified = TRUE;
return;
case CMemory::MAP_DEBUG:
#ifdef DEBUGGER
printf ("W(W) %06x\n", Address);
#endif
case CMemory::MAP_SPC7110_DRAM:
#ifdef SPC7110_DEBUG
printf("Writing Word at %06X\n", Address);
#endif
s7r.bank50[(Address & 0xffff)]= (uint8) Word;
s7r.bank50[((Address + 1) & 0xffff)]= (uint8) Word;
break;
case CMemory::MAP_SA1RAM:
*(Memory.SRAM + (Address & 0xffff)) = (uint8) Word;
*(Memory.SRAM + ((Address + 1) & 0xffff)) = (uint8) (Word >> 8);
SA1.Executing = !SA1.Waiting;
break;
case CMemory::MAP_C4:
S9xSetC4 (Word & 0xff, Address & 0xffff);
S9xSetC4 ((uint8) (Word >> 8), (Address + 1) & 0xffff);
return;
case CMemory::MAP_OBC_RAM:
SetOBC1(Word & 0xff, Address &0xFFFF);
SetOBC1 ((uint8) (Word >> 8), (Address + 1) & 0xffff);
return;
case CMemory::MAP_SETA_DSP:
S9xSetSetaDSP (Word & 0xff, Address);
S9xSetSetaDSP ((uint8) (Word >> 8),(Address + 1));
return;
case CMemory::MAP_SETA_RISC:
S9xSetST018 (Word & 0xff, Address);
S9xSetST018 ((uint8) (Word >> 8),(Address + 1));
return;
default:
case CMemory::MAP_NONE:
#ifdef MK_TRACE_BAD_WRITES
char address[20];
sprintf(address, TEXT("%06X"),Address);
MessageBox(GUI.hWnd, address, TEXT("SetWord"), MB_OK);
#endif
#ifdef DEBUGGER
printf ("W(W) %06x\n", Address);
#endif
return;
}
}
uint8 *GetBasePointer (uint32 Address)
{
uint8 *GetAddress = Memory.Map [(Address >> MEMMAP_SHIFT) & MEMMAP_MASK];
if (GetAddress >= (uint8 *) CMemory::MAP_LAST)
return (GetAddress);
if(Settings.SPC7110&&((Address&0x7FFFFF)==0x4800))
{
return s7r.bank50;
}
switch ((int) GetAddress)
{
case CMemory::MAP_SPC7110_DRAM:
#ifdef SPC7110_DEBUG
printf("Getting Base pointer to DRAM\n");
#endif
{
return s7r.bank50;
}
case CMemory::MAP_SPC7110_ROM:
#ifdef SPC7110_DEBUG
printf("Getting Base pointer to SPC7110ROM\n");
#endif
return Get7110BasePtr(Address);
case CMemory::MAP_PPU:
//just a guess, but it looks like this should match the CPU as a source.
return (Memory.FillRAM);
// return (Memory.FillRAM - 0x2000);
case CMemory::MAP_CPU:
//fixes Ogre Battle's green lines
return (Memory.FillRAM);
// return (Memory.FillRAM - 0x4000);
case CMemory::MAP_DSP:
return (Memory.FillRAM - 0x6000);
case CMemory::MAP_SA1RAM:
case CMemory::MAP_LOROM_SRAM:
return (Memory.SRAM);
case CMemory::MAP_BWRAM:
return (Memory.BWRAM - 0x6000);
case CMemory::MAP_HIROM_SRAM:
return (Memory.SRAM - 0x6000);
case CMemory::MAP_C4:
return (Memory.C4RAM - 0x6000);
case CMemory::MAP_OBC_RAM:
return GetBasePointerOBC1(Address);
case CMemory::MAP_SETA_DSP:
return Memory.SRAM;
case CMemory::MAP_DEBUG:
#ifdef DEBUGGER
printf ("GBP %06x\n", Address);
#endif
default:
case CMemory::MAP_NONE:
#if defined(MK_TRACE_BAD_READS) || defined(MK_TRACE_BAD_WRITES)
char fsd[12];
sprintf(fsd, TEXT("%06X"), Address);
MessageBox(GUI.hWnd, fsd, TEXT("Rogue DMA"), MB_OK);
#endif
#ifdef DEBUGGER
printf ("GBP %06x\n", Address);
#endif
return (0);
}
}
uint8 *S9xGetMemPointer (uint32 Address)
{
uint8 *GetAddress = Memory.Map [(Address >> MEMMAP_SHIFT) & MEMMAP_MASK];
if (GetAddress >= (uint8 *) CMemory::MAP_LAST)
return (GetAddress + (Address & 0xffff));
if(Settings.SPC7110&&((Address&0x7FFFFF)==0x4800))
return s7r.bank50;
switch ((int) GetAddress)
{
case CMemory::MAP_SPC7110_DRAM:
#ifdef SPC7110_DEBUG
printf("Getting Base pointer to DRAM\n");
#endif
return &s7r.bank50[Address&0x0000FFFF];
case CMemory::MAP_PPU:
return (Memory.FillRAM + (Address & 0xffff));
case CMemory::MAP_CPU:
return (Memory.FillRAM + (Address & 0xffff));
case CMemory::MAP_DSP:
return (Memory.FillRAM - 0x6000 + (Address & 0xffff));
case CMemory::MAP_SA1RAM:
case CMemory::MAP_LOROM_SRAM:
return (Memory.SRAM + (Address & 0xffff));
case CMemory::MAP_BWRAM:
return (Memory.BWRAM - 0x6000 + (Address & 0xffff));
case CMemory::MAP_HIROM_SRAM:
return (Memory.SRAM - 0x6000 + (Address & 0xffff));
case CMemory::MAP_C4:
return (Memory.C4RAM - 0x6000 + (Address & 0xffff));
case CMemory::MAP_OBC_RAM:
return GetMemPointerOBC1(Address);
case CMemory::MAP_SETA_DSP:
return Memory.SRAM+ ((Address & 0xffff) & Memory.SRAMMask);
case CMemory::MAP_DEBUG:
#ifdef DEBUGGER
printf ("GMP %06x\n", Address);
#endif
default:
case CMemory::MAP_NONE:
#if defined(MK_TRACE_BAD_READS) || defined(MK_TRACE_BAD_WRITES)
char fsd[12];
sprintf(fsd, TEXT("%06X"), Address);
MessageBox(GUI.hWnd, fsd, TEXT("Rogue DMA"), MB_OK);
#endif
#ifdef DEBUGGER
printf ("GMP %06x\n", Address);
#endif
return (0);
}
}
void S9xSetPCBase (uint32 Address)
{
int block;
uint8 *GetAddress = Memory.Map [block = (Address >> MEMMAP_SHIFT) & MEMMAP_MASK];
CPU.MemSpeed = Memory.MemorySpeed [block];
CPU.MemSpeedx2 = CPU.MemSpeed << 1;
if (GetAddress >= (uint8 *) CMemory::MAP_LAST)
{
CPU.PCBase = GetAddress;
CPU.PC = GetAddress + (Address & 0xffff);
return;
}
switch ((int) GetAddress)
{
case CMemory::MAP_PPU:
CPU.PCBase = Memory.FillRAM;
CPU.PC = CPU.PCBase + (Address & 0xffff);
return;
case CMemory::MAP_CPU:
CPU.PCBase = Memory.FillRAM;
CPU.PC = CPU.PCBase + (Address & 0xffff);
return;
case CMemory::MAP_DSP:
CPU.PCBase = Memory.FillRAM - 0x6000;
CPU.PC = CPU.PCBase + (Address & 0xffff);
return;
case CMemory::MAP_SA1RAM:
case CMemory::MAP_LOROM_SRAM:
CPU.PCBase = Memory.SRAM;
CPU.PC = CPU.PCBase + (Address & 0xffff);
return;
case CMemory::MAP_BWRAM:
CPU.PCBase = Memory.BWRAM - 0x6000;
CPU.PC = CPU.PCBase + (Address & 0xffff);
return;
case CMemory::MAP_HIROM_SRAM:
CPU.PCBase = Memory.SRAM - 0x6000;
CPU.PC = CPU.PCBase + (Address & 0xffff);
return;
case CMemory::MAP_C4:
CPU.PCBase = Memory.C4RAM - 0x6000;
CPU.PC = CPU.PCBase + (Address & 0xffff);
return;
case CMemory::MAP_DEBUG:
#ifdef DEBUGGER
printf ("SBP %06x\n", Address);
#endif
default:
case CMemory::MAP_NONE:
#ifdef DEBUGGER
printf ("SBP %06x\n", Address);
#endif
CPU.PCBase = Memory.SRAM;
CPU.PC = Memory.SRAM + (Address & 0xffff);
return;
}
}
#endif