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ppu.cpp
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ppu.cpp
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/*
* Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
*
* (c) Copyright 1996 - 2001 Gary Henderson ([email protected]) and
* Jerremy Koot ([email protected])
*
* Super FX C emulator code
* (c) Copyright 1997 - 1999 Ivar ([email protected]) and
* Gary Henderson.
* Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
*
* DSP1 emulator code (c) Copyright 1998 Ivar, _Demo_ and Gary Henderson.
* C4 asm and some C emulation code (c) Copyright 2000 zsKnight and _Demo_.
* C4 C code (c) Copyright 2001 Gary Henderson ([email protected]).
*
* DOS port code 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.
*/
#include "snes9x.h"
#include "memmap.h"
#include "ppu.h"
#include "cpuexec.h"
#include "missing.h"
#include "apu.h"
#include "dma.h"
#include "gfx.h"
#include "display.h"
#include "sa1.h"
#if not (defined(__os9x__)||defined(__PSP__))
#include "netplay.h"
#endif
#include "sdd1.h"
#include "srtc.h"
#include "bsx.h"
extern uint32 os9x_gammavalue;
extern int debug_counts[];
extern char str_tmp[256];
extern unsigned char gammatab[10][32];
#ifndef ZSNES_FX
#include "fxemu.h"
#include "fxinst.h"
extern struct FxInit_s SuperFX;
#else
EXTERN_C void S9xSuperFXWriteReg (uint8, uint32);
EXTERN_C uint8 S9xSuperFXReadReg (uint32);
#endif
void ComputeClipWindowsFix();
void S9xUpdateHTimer ()
{
if (PPUPack.PPU.HTimerEnabled)
{
#ifdef DEBUGGER
missing.hirq_pos = PPUPack.PPU.IRQHBeamPos;
#endif
PPUPack.PPU.HTimerPosition = PPUPack.PPU.IRQHBeamPos * Settings.H_Max / SNES_HCOUNTER_MAX;
if (PPUPack.PPU.HTimerPosition == Settings.H_Max ||
PPUPack.PPU.HTimerPosition == Settings.HBlankStart)
{
PPUPack.PPU.HTimerPosition--;
}
if (!PPUPack.PPU.VTimerEnabled || CPU.V_Counter == PPUPack.PPU.IRQVBeamPos)
{
if (PPUPack.PPU.HTimerPosition < CPU.Cycles)
{
// Missed the IRQ on this line already
if (CPU.WhichEvent == HBLANK_END_EVENT ||
CPU.WhichEvent == HTIMER_AFTER_EVENT)
{
CPU.WhichEvent = HBLANK_END_EVENT;
S9x_Current_HBlank_Event=S9xDoHBlankProcessing_HBLANK_END_EVENT;
CPU.NextEvent = Settings.H_Max;
}
else
{
CPU.WhichEvent = HBLANK_START_EVENT;
S9x_Current_HBlank_Event=S9xDoHBlankProcessing_HBLANK_START_EVENT;
CPU.NextEvent = Settings.HBlankStart;
}
}
else
{
if (CPU.WhichEvent == HTIMER_BEFORE_EVENT ||
CPU.WhichEvent == HBLANK_START_EVENT)
{
if (PPUPack.PPU.HTimerPosition > Settings.HBlankStart)
{
// HTimer was to trigger before h-blank start,
// now triggers after start of h-blank
CPU.NextEvent = Settings.HBlankStart;
CPU.WhichEvent = HBLANK_START_EVENT;
S9x_Current_HBlank_Event=S9xDoHBlankProcessing_HBLANK_START_EVENT;
}
else
{
CPU.NextEvent = PPUPack.PPU.HTimerPosition;
CPU.WhichEvent = HTIMER_BEFORE_EVENT;
S9x_Current_HBlank_Event=S9xDoHBlankProcessing_HTIMER_BEFORE_EVENT;
}
}
else
{
CPU.WhichEvent = HTIMER_AFTER_EVENT;
S9x_Current_HBlank_Event=S9xDoHBlankProcessing_HTIMER_AFTER_EVENT;
CPU.NextEvent = PPUPack.PPU.HTimerPosition;
}
}
}
}
}
void S9xFixColourBrightness ()
{
IPPU.XB = mul_brightness [PPUPack.PPU.Brightness];
// if (Settings.SixteenBit)
{
for (int i = 0; i < 256; i++)
{
IPPU.Red [i] = gammatab[os9x_gammavalue][IPPU.XB [PPUPack.PPU.CGDATA [i] & 0x1f]];
IPPU.Green [i] = gammatab[os9x_gammavalue][IPPU.XB [(PPUPack.PPU.CGDATA [i] >> 5) & 0x1f]];
IPPU.Blue [i] = gammatab[os9x_gammavalue][IPPU.XB [(PPUPack.PPU.CGDATA [i] >> 10) & 0x1f]];
IPPU.ScreenColors [i]=BUILD_PIXEL(IPPU.Red [i],IPPU.Green [i],IPPU.Blue [i]);
}
//YOYO
os9x_ColorsChanged=1;
}
}
/**********************************************************************************************/
/* S9xSetPPU() */
/* This function sets a PPU Register to a specific byte */
/**********************************************************************************************/
#ifdef yoyo__PSP__
#include "opti/ppu_setppu.h"
#else
void S9xSetPPU (uint8 Byte, uint16 Address)
{
int apu_ram_write_pos;
if (Address <= 0x2183)
{
switch (Address)
{
case 0x2100:
// Brightness and screen blank bit
if (Byte != ROM_GLOBAL [0x2100])
{
//extern int debug_Line[20];
//extern int debug_Value[20];
//static int i=0;
//debug_Line[i]=IPPU.CurrentLine;
//debug_Value[i]=Byte;
//i++;
//if(i==20)i=0;
// INFO_FLUSH_REDRAW("2100");
FLUSH_REDRAW ();
// INC_DEBUG_COUNT(0);
if (PPUPack.PPU.Brightness != (Byte & 0xF))
{
IPPU.ColorsChanged = TRUE;
IPPU.DirectColourMapsNeedRebuild = TRUE;
PPUPack.PPU.Brightness = Byte & 0xF;
S9xFixColourBrightness ();
if (PPUPack.PPU.Brightness > IPPU.MaxBrightness)
IPPU.MaxBrightness = PPUPack.PPU.Brightness;
}
if ((ROM_GLOBAL[0x2100] & 0x80) != (Byte & 0x80))
{
IPPU.ColorsChanged = TRUE;
PPUPack.PPU.ForcedBlanking = (Byte >> 7) & 1;
}
}
break;
case 0x2101:
// Sprite (OBJ) tile address
if (Byte != ROM_GLOBAL [0x2101])
{
//INFO_FLUSH_REDRAW("2101");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(1);
PPUPack.PPU.OBJNameBase = (Byte & 3) << 14;
PPUPack.PPU.OBJNameSelect = ((Byte >> 3) & 3) << 13;
PPUPack.PPU.OBJSizeSelect = (Byte >> 5) & 7;
IPPU.OBJChanged = TRUE;
}
break;
case 0x2102:
// Sprite write address (low)
PPUPack.PPU.OAMAddr = Byte;
PPUPack.PPU.OAMFlip = 2;
PPUPack.PPU.OAMReadFlip = 0;
PPUPack.PPU.SavedOAMAddr = PPUPack.PPU.OAMAddr;
if (PPUPack.PPU.OAMPriorityRotation)
{
PPUPack.PPU.FirstSprite = PPUPack.PPU.OAMAddr & 0x7f;
#ifdef DEBUGGER
missing.sprite_priority_rotation = 1;
#endif
}
break;
case 0x2103:
// Sprite register write address (high), sprite priority rotation
// bit.
if ((PPUPack.PPU.OAMPriorityRotation = (Byte & 0x80) == 0 ? 0 : 1))
{
PPUPack.PPU.FirstSprite = PPUPack.PPU.OAMAddr & 0x7f;
#ifdef DEBUGGER
missing.sprite_priority_rotation = 1;
#endif
}
// Only update the sprite write address top bit if the low byte has
// been written to first.
if (PPUPack.PPU.OAMFlip & 2)
{
PPUPack.PPU.OAMAddr &= 0x00FF;
PPUPack.PPU.OAMAddr |= (Byte & 1) << 8;
}
PPUPack.PPU.OAMFlip = 0;
PPUPack.PPU.OAMReadFlip = 0;
PPUPack.PPU.SavedOAMAddr = PPUPack.PPU.OAMAddr;
break;
case 0x2104:
// Sprite register write
REGISTER_2104(Byte);
break;
case 0x2105:
// Screen mode (0 - 7), background tile sizes and background 3
// priority
if (Byte != ROM_GLOBAL [0x2105])
{
//INFO_FLUSH_REDRAW("2105");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(2);
//PPUPack.PPU.BG3Priority = (Byte >> 3) & 1;
PPUPack.PPU.BG[0].BGSize = (Byte >> 4) & 1;
PPUPack.PPU.BG[1].BGSize = (Byte >> 5) & 1;
PPUPack.PPU.BG[2].BGSize = (Byte >> 6) & 1;
PPUPack.PPU.BG[3].BGSize = (Byte >> 7) & 1;
PPUPack.PPU.BGMode = Byte & 7;
PPUPack.PPU.BG3Priority = ((Byte & 0x0f) == 0x09);
#ifdef DEBUGGER
missing.modes[PPUPack.PPU.BGMode] = 1;
#endif
}
break;
case 0x2106:
// Mosaic pixel size and enable
if (Byte != ROM_GLOBAL [0x2106])
{
//INFO_FLUSH_REDRAW("2106");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(3);
#ifdef DEBUGGER
if ((Byte & 0xf0) && (Byte & 0x0f))
missing.mosaic = 1;
#endif
PPUPack.PPU.Mosaic = (Byte >> 4) + 1;
PPUPack.PPU.BGMosaic [0] = (Byte & 1) && PPUPack.PPU.Mosaic > 1;
PPUPack.PPU.BGMosaic [1] = (Byte & 2) && PPUPack.PPU.Mosaic > 1;
PPUPack.PPU.BGMosaic [2] = (Byte & 4) && PPUPack.PPU.Mosaic > 1;
PPUPack.PPU.BGMosaic [3] = (Byte & 8) && PPUPack.PPU.Mosaic > 1;
}
break;
case 0x2107: // [BG0SC]
if (Byte != ROM_GLOBAL [0x2107])
{
//INFO_FLUSH_REDRAW("2107");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(4);
PPUPack.PPU.BG[0].SCSize = Byte & 3;
PPUPack.PPU.BG[0].SCBase = (Byte & 0x7c) << 8;
}
break;
case 0x2108: // [BG1SC]
if (Byte != ROM_GLOBAL [0x2108])
{
//INFO_FLUSH_REDRAW("2108");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(5);
PPUPack.PPU.BG[1].SCSize = Byte & 3;
PPUPack.PPU.BG[1].SCBase = (Byte & 0x7c) << 8;
}
break;
case 0x2109: // [BG2SC]
if (Byte != ROM_GLOBAL [0x2109])
{
//INFO_FLUSH_REDRAW("2109");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(6);
PPUPack.PPU.BG[2].SCSize = Byte & 3;
PPUPack.PPU.BG[2].SCBase = (Byte & 0x7c) << 8;
}
break;
case 0x210A: // [BG3SC]
if (Byte != ROM_GLOBAL [0x210a])
{
//INFO_FLUSH_REDRAW("210A");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(7);
PPUPack.PPU.BG[3].SCSize = Byte & 3;
PPUPack.PPU.BG[3].SCBase = (Byte & 0x7c) << 8;
}
break;
case 0x210B: // [BG01NBA]
if (Byte != ROM_GLOBAL [0x210b])
{
//INFO_FLUSH_REDRAW("210B");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(8);
PPUPack.PPU.BG[0].NameBase = (Byte & 7) << 12;
PPUPack.PPU.BG[1].NameBase = ((Byte >> 4) & 7) << 12;
}
break;
case 0x210C: // [BG23NBA]
if (Byte != ROM_GLOBAL [0x210c])
{
//INFO_FLUSH_REDRAW("210C");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(9);
PPUPack.PPU.BG[2].NameBase = (Byte & 7) << 12;
PPUPack.PPU.BG[3].NameBase = ((Byte >> 4) & 7) << 12;
}
break;
case 0x210D:
PPUPack.PPU.BG[0].HOffset = PPUPack.PPU.BG[0].HOffset_Byte[HIGHBYTE] | ((uint16) Byte << 8);
break;
case 0x210E:
PPUPack.PPU.BG[0].VOffset = PPUPack.PPU.BG[0].VOffset_Byte[HIGHBYTE] | ((uint16) Byte << 8);
break;
case 0x210F:
PPUPack.PPU.BG[1].HOffset = PPUPack.PPU.BG[1].HOffset_Byte[HIGHBYTE] | ((uint16) Byte << 8);
break;
case 0x2110:
PPUPack.PPU.BG[1].VOffset = PPUPack.PPU.BG[1].VOffset_Byte[HIGHBYTE] | ((uint16) Byte << 8);
break;
case 0x2111:
PPUPack.PPU.BG[2].HOffset = PPUPack.PPU.BG[2].HOffset_Byte[HIGHBYTE] | ((uint16) Byte << 8);
break;
case 0x2112:
PPUPack.PPU.BG[2].VOffset = PPUPack.PPU.BG[2].VOffset_Byte[HIGHBYTE] | ((uint16) Byte << 8);
break;
case 0x2113:
PPUPack.PPU.BG[3].HOffset = PPUPack.PPU.BG[3].HOffset_Byte[HIGHBYTE] | ((uint16) Byte << 8);
break;
case 0x2114:
PPUPack.PPU.BG[3].VOffset = PPUPack.PPU.BG[3].VOffset_Byte[HIGHBYTE] | ((uint16) Byte << 8);
break;
case 0x2115:
// VRAM byte/word access flag and increment
PPUPack.PPU.VMA.High = (Byte & 0x80) == 0 ? FALSE : TRUE;
switch (Byte & 3)
{
case 0:
PPUPack.PPU.VMA.Increment = 1;
break;
case 1:
PPUPack.PPU.VMA.Increment = 32;
break;
case 2:
PPUPack.PPU.VMA.Increment = 128;
break;
case 3:
PPUPack.PPU.VMA.Increment = 128;
break;
}
#ifdef DEBUGGER
if ((Byte & 3) != 0)
missing.vram_inc = Byte & 3;
#endif
if (Byte & 0x0c)
{
static uint16 IncCount [4] = { 0, 32, 64, 128 };
static uint16 Shift [4] = { 0, 5, 6, 7 };
#ifdef DEBUGGER
missing.vram_full_graphic_inc = (Byte & 0x0c) >> 2;
#endif
PPUPack.PPU.VMA.Increment = 1;
uint8 i = (Byte & 0x0c) >> 2;
PPUPack.PPU.VMA.FullGraphicCount = IncCount [i];
PPUPack.PPU.VMA.Mask1 = IncCount [i] * 8 - 1;
PPUPack.PPU.VMA.Shift = Shift [i];
}
else
PPUPack.PPU.VMA.FullGraphicCount = 0;
break;
case 0x2116:
// VRAM read/write address (low)
PPUPack.PPU.VMA.Address &= 0xFF00;
PPUPack.PPU.VMA.Address |= Byte;
IPPU.FirstVRAMRead = TRUE;
break;
case 0x2117:
// VRAM read/write address (high)
PPUPack.PPU.VMA.Address &= 0x00FF;
PPUPack.PPU.VMA.Address |= Byte << 8;
IPPU.FirstVRAMRead = TRUE;
break;
case 0x2118:
// VRAM write data (low)
IPPU.FirstVRAMRead = TRUE;
REGISTER_2118(Byte);
break;
case 0x2119:
// VRAM write data (high)
IPPU.FirstVRAMRead = TRUE;
REGISTER_2119(Byte);
break;
case 0x211a:
// Mode 7 outside rotation area display mode and flipping
if (Byte != ROM_GLOBAL [0x211a])
{
//INFO_FLUSH_REDRAW("211A");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(10);
PPUPack.PPU.Mode7Repeat = Byte >> 6;
PPUPack.PPU.Mode7VFlip = (Byte & 2) >> 1;
PPUPack.PPU.Mode7HFlip = Byte & 1;
}
break;
case 0x211b:
// Mode 7 matrix A (low & high)
PPUPack.PPU.MatrixA = PPUPack.PPU.MatrixA_Byte[HIGHBYTE] | (Byte << 8);
PPUPack.PPU.Need16x8Mulitply = TRUE;
break;
case 0x211c:
// Mode 7 matrix B (low & high)
PPUPack.PPU.MatrixB = PPUPack.PPU.MatrixB_Byte[HIGHBYTE] | (Byte << 8);
PPUPack.PPU.Need16x8Mulitply = TRUE;
break;
case 0x211d:
// Mode 7 matrix C (low & high)
PPUPack.PPU.MatrixC = PPUPack.PPU.MatrixC_Byte[HIGHBYTE] | (Byte << 8);
break;
case 0x211e:
// Mode 7 matrix D (low & high)
PPUPack.PPU.MatrixD = PPUPack.PPU.MatrixD_Byte[HIGHBYTE] | (Byte << 8);
break;
case 0x211f:
// Mode 7 centre of rotation X (low & high)
PPUPack.PPU.CentreX = PPUPack.PPU.CentreX_Byte[HIGHBYTE] | (Byte << 8);
break;
case 0x2120:
// Mode 7 centre of rotation Y (low & high)
PPUPack.PPU.CentreY = PPUPack.PPU.CentreY_Byte[HIGHBYTE] | (Byte << 8);
break;
case 0x2121:
// CG-RAM address
PPUPack.PPU.CGFLIP = 0;
PPUPack.PPU.CGFLIPRead = 0;
PPUPack.PPU.CGADD = Byte;
break;
case 0x2122:
REGISTER_2122(Byte);
break;
case 0x2123:
// Window 1 and 2 enable for backgrounds 1 and 2
if (Byte != ROM_GLOBAL [0x2123])
{
//if (os9x_hack&PPU_IGNORE_WINDOW) return;
//INFO_FLUSH_REDRAW("2123");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(11);
PPUPack.PPU.ClipWindow1Enable [0] = !!(Byte & 0x02);
PPUPack.PPU.ClipWindow1Enable [1] = !!(Byte & 0x20);
PPUPack.PPU.ClipWindow2Enable [0] = !!(Byte & 0x08);
PPUPack.PPU.ClipWindow2Enable [1] = !!(Byte & 0x80);
PPUPack.PPU.ClipWindow1Inside [0] = !(Byte & 0x01);
PPUPack.PPU.ClipWindow1Inside [1] = !(Byte & 0x10);
PPUPack.PPU.ClipWindow2Inside [0] = !(Byte & 0x04);
PPUPack.PPU.ClipWindow2Inside [1] = !(Byte & 0x40);
PPUPack.PPU.RecomputeClipWindows = TRUE;
#ifdef DEBUGGER
if (Byte & 0x80)
missing.window2[1] = 1;
if (Byte & 0x20)
missing.window1[1] = 1;
if (Byte & 0x08)
missing.window2[0] = 1;
if (Byte & 0x02)
missing.window1[0] = 1;
#endif
}
break;
case 0x2124:
// Window 1 and 2 enable for backgrounds 3 and 4
if (Byte != ROM_GLOBAL [0x2124])
{
//if (os9x_hack&PPU_IGNORE_WINDOW) return;
//INFO_FLUSH_REDRAW("2124");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(12);
PPUPack.PPU.ClipWindow1Enable [2] = !!(Byte & 0x02);
PPUPack.PPU.ClipWindow1Enable [3] = !!(Byte & 0x20);
PPUPack.PPU.ClipWindow2Enable [2] = !!(Byte & 0x08);
PPUPack.PPU.ClipWindow2Enable [3] = !!(Byte & 0x80);
PPUPack.PPU.ClipWindow1Inside [2] = !(Byte & 0x01);
PPUPack.PPU.ClipWindow1Inside [3] = !(Byte & 0x10);
PPUPack.PPU.ClipWindow2Inside [2] = !(Byte & 0x04);
PPUPack.PPU.ClipWindow2Inside [3] = !(Byte & 0x40);
PPUPack.PPU.RecomputeClipWindows = TRUE;
#ifdef DEBUGGER
if (Byte & 0x80)
missing.window2[3] = 1;
if (Byte & 0x20)
missing.window1[3] = 1;
if (Byte & 0x08)
missing.window2[2] = 1;
if (Byte & 0x02)
missing.window1[2] = 1;
#endif
}
break;
case 0x2125:
// Window 1 and 2 enable for objects and colour window
if (Byte != ROM_GLOBAL [0x2125])
{
//if (os9x_hack&PPU_IGNORE_WINDOW) return;
//INFO_FLUSH_REDRAW("2125");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(13);
PPUPack.PPU.ClipWindow1Enable [4] = !!(Byte & 0x02);
PPUPack.PPU.ClipWindow1Enable [5] = !!(Byte & 0x20);
PPUPack.PPU.ClipWindow2Enable [4] = !!(Byte & 0x08);
PPUPack.PPU.ClipWindow2Enable [5] = !!(Byte & 0x80);
PPUPack.PPU.ClipWindow1Inside [4] = !(Byte & 0x01);
PPUPack.PPU.ClipWindow1Inside [5] = !(Byte & 0x10);
PPUPack.PPU.ClipWindow2Inside [4] = !(Byte & 0x04);
PPUPack.PPU.ClipWindow2Inside [5] = !(Byte & 0x40);
PPUPack.PPU.RecomputeClipWindows = TRUE;
#ifdef DEBUGGER
if (Byte & 0x80)
missing.window2[5] = 1;
if (Byte & 0x20)
missing.window1[5] = 1;
if (Byte & 0x08)
missing.window2[4] = 1;
if (Byte & 0x02)
missing.window1[4] = 1;
#endif
}
break;
case 0x2126:
// Window 1 left position
if (Byte != ROM_GLOBAL [0x2126])
{
//if(os9x_softrendering<2 || !((PPUPack.PPU.BGMode!=2)&&(!Settings.WrestlemaniaArcade)) || (PPUPack.PPU.BGMode==4) || (PPUPack.PPU.BGMode==7))
if(os9x_softrendering>=2 && !((os9x_hack&OLD_PSP_ACCEL)&&(PPUPack.PPU.BGMode==2)&&(!Settings.WrestlemaniaArcade)) && !((os9x_hack&OLD_PSP_ACCEL)&&(PPUPack.PPU.BGMode==4)) && (PPUPack.PPU.BGMode!=7))
{
ComputeClipWindowsFix();
PPUPack.PPU.Window1Left = Byte;
}
else
{
//if (os9x_hack&PPU_IGNORE_WINDOW) return;
//INFO_FLUSH_REDRAW("2126");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(14);
PPUPack.PPU.Window1Left = Byte;
PPUPack.PPU.RecomputeClipWindows = TRUE;
}
}
break;
case 0x2127:
// Window 1 right position
if (Byte != ROM_GLOBAL [0x2127])
{
if(os9x_softrendering>=2 && !((os9x_hack&OLD_PSP_ACCEL)&&(PPUPack.PPU.BGMode==2)&&(!Settings.WrestlemaniaArcade)) && !((os9x_hack&OLD_PSP_ACCEL)&&(PPUPack.PPU.BGMode==4)) && (PPUPack.PPU.BGMode!=7))
{
ComputeClipWindowsFix();
PPUPack.PPU.Window1Right = Byte;
}
else
{
//if (os9x_hack&PPU_IGNORE_WINDOW) return;
//INFO_FLUSH_REDRAW("2127");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(15);
PPUPack.PPU.Window1Right = Byte;
PPUPack.PPU.RecomputeClipWindows = TRUE;
}
}
break;
case 0x2128:
// Window 2 left position
if (Byte != ROM_GLOBAL [0x2128])
{
if(os9x_softrendering>=2 && !((os9x_hack&OLD_PSP_ACCEL)&&(PPUPack.PPU.BGMode==2)&&(!Settings.WrestlemaniaArcade)) && !((os9x_hack&OLD_PSP_ACCEL)&&(PPUPack.PPU.BGMode==4)) && (PPUPack.PPU.BGMode!=7))
{
ComputeClipWindowsFix();
PPUPack.PPU.Window2Left = Byte;
}
else
{
//if (os9x_hack&PPU_IGNORE_WINDOW) return;
//INFO_FLUSH_REDRAW("2128");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(16);
PPUPack.PPU.Window2Left = Byte;
PPUPack.PPU.RecomputeClipWindows = TRUE;
}
}
break;
case 0x2129:
// Window 2 right position
if (Byte != ROM_GLOBAL [0x2129])
{
if(os9x_softrendering>=2 && !((os9x_hack&OLD_PSP_ACCEL)&&(PPUPack.PPU.BGMode==2)&&(!Settings.WrestlemaniaArcade)) && !((os9x_hack&OLD_PSP_ACCEL)&&(PPUPack.PPU.BGMode==4)) && (PPUPack.PPU.BGMode!=7))
{
ComputeClipWindowsFix();
PPUPack.PPU.Window2Right = Byte;
}
else
{
//if (os9x_hack&PPU_IGNORE_WINDOW) return;
//INFO_FLUSH_REDRAW("2129");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(17);
PPUPack.PPU.Window2Right = Byte;
PPUPack.PPU.RecomputeClipWindows = TRUE;
}
}
break;
case 0x212a:
// Windows 1 & 2 overlap logic for backgrounds 1 - 4
if (Byte != ROM_GLOBAL [0x212a])
{
//if (os9x_hack&PPU_IGNORE_WINDOW) return;
//INFO_FLUSH_REDRAW("212A");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(18);
PPUPack.PPU.ClipWindowOverlapLogic [0] = (Byte & 0x03);
PPUPack.PPU.ClipWindowOverlapLogic [1] = (Byte & 0x0c) >> 2;
PPUPack.PPU.ClipWindowOverlapLogic [2] = (Byte & 0x30) >> 4;
PPUPack.PPU.ClipWindowOverlapLogic [3] = (Byte & 0xc0) >> 6;
PPUPack.PPU.RecomputeClipWindows = TRUE;
}
break;
case 0x212b:
// Windows 1 & 2 overlap logic for objects and colour window
if (Byte != ROM_GLOBAL [0x212b])
{
//if (os9x_hack&PPU_IGNORE_WINDOW) return;
//INFO_FLUSH_REDRAW("212B");
FLUSH_REDRAW ();
//INC_DEBUG_COUNT(19);
PPUPack.PPU.ClipWindowOverlapLogic [4] = Byte & 0x03;
PPUPack.PPU.ClipWindowOverlapLogic [5] = (Byte & 0x0c) >> 2;
PPUPack.PPU.RecomputeClipWindows = TRUE;
}
break;
case 0x212c:
// Main screen designation (backgrounds 1 - 4 and objects)
// Defer the write. This is ok since the read of this register
// returns the Open Bus value.
//
IPPU.DeferredRegisterWrite[Address - 0x2100] = Byte;
return;
/*if (Byte != ROM_GLOBAL [0x212c])
{
INFO_FLUSH_REDRAW("212C");
FLUSH_REDRAW ();
INC_DEBUG_COUNT(20);
PPUPack.PPU.RecomputeClipWindows = TRUE;
ROM_GLOBAL [Address] = Byte;
return;
}
break;*/
case 0x212d:
// Sub-screen designation (backgrounds 1 - 4 and objects)
// Defer the write. This is ok since the read of this register
// returns the Open Bus value.
//
IPPU.DeferredRegisterWrite[Address - 0x2100] = Byte;
return;
/*if (Byte != ROM_GLOBAL [0x212d])
{
INFO_FLUSH_REDRAW("212D");
FLUSH_REDRAW ();
INC_DEBUG_COUNT(21);
#ifdef DEBUGGER
if (Byte & 0x1f)
missing.subscreen = 1;
#endif
PPUPack.PPU.RecomputeClipWindows = TRUE;
ROM_GLOBAL [Address] = Byte;
return;
}
break;*/
case 0x212e:
// Window mask designation for main screen ?
// Defer the write. This is ok since the read of this register
// returns the Open Bus value.
//
IPPU.DeferredRegisterWrite[Address - 0x2100] = Byte;
return;
/*if (Byte != ROM_GLOBAL [0x212e])
{
INFO_FLUSH_REDRAW("212E");
FLUSH_REDRAW ();
INC_DEBUG_COUNT(22);
PPUPack.PPU.RecomputeClipWindows = TRUE;
}
break;*/
case 0x212f:
// Window mask designation for sub-screen ?
// Defer the write. This is ok since the read of this register
// returns the Open Bus value.
//
IPPU.DeferredRegisterWrite[Address - 0x2100] = Byte;
return;
/*if (Byte != ROM_GLOBAL [0x212f])
{
INFO_FLUSH_REDRAW("212F");
FLUSH_REDRAW ();
INC_DEBUG_COUNT(23);
PPUPack.PPU.RecomputeClipWindows = TRUE;
}
break;*/
case 0x2130:
// Fixed colour addition or screen addition
// Defer the write. This is ok since the read of this register
// returns the Open Bus value.
//
IPPU.DeferredRegisterWrite[Address - 0x2100] = Byte;
return;
/*if (Byte != ROM_GLOBAL [0x2130])
{
if (os9x_hack&PPU_IGNORE_ADDSUB) return;
INFO_FLUSH_REDRAW("2130");
FLUSH_REDRAW ();
INC_DEBUG_COUNT(24);
PPUPack.PPU.RecomputeClipWindows = TRUE;
#ifdef DEBUGGER
if ((Byte & 1) && (PPUPack.PPU.BGMode == 3 || PPUPack.PPU.BGMode == 4 || PPUPack.PPU.BGMode == 7))
missing.direct = 1;
#endif
}
break;*/
case 0x2131:
// Colour addition or subtraction select
// Defer the write. This is ok since the read of this register
// returns the Open Bus value.
//
IPPU.DeferredRegisterWrite[Address - 0x2100] = Byte;
return;
/*if (Byte != ROM_GLOBAL[0x2131])
{
if (os9x_hack&PPU_IGNORE_ADDSUB) return;
INFO_FLUSH_REDRAW("2131");
FLUSH_REDRAW ();
INC_DEBUG_COUNT(25);
// Backgrounds 1 - 4, objects and backdrop colour add/sub enable
#ifdef DEBUGGER
if (Byte & 0x80)
{
// Subtract
if (ROM_GLOBAL[0x2130] & 0x02)
missing.subscreen_sub = 1;
else
missing.fixed_colour_sub = 1;
}
else
{
// Addition
if (ROM_GLOBAL[0x2130] & 0x02)
missing.subscreen_add = 1;
else
missing.fixed_colour_add = 1;
}
#endif
}
break;*/
case 0x2132:
if (Byte != ROM_GLOBAL [0x2132])
{
//INC_DEBUG_COUNT(44);
if(os9x_softrendering>=2 && !(os9x_hack&OLD_PSP_ACCEL) && (PPUPack.PPU.BGMode!=7))
{
//INC_DEBUG_COUNT(45);
FixColorsLog_BeforeUpdate();
if (Byte & 0x80)
PPUPack.PPU.FixedColourBlue = Byte & 0x1f;
if (Byte & 0x40)
PPUPack.PPU.FixedColourGreen = Byte & 0x1f;
if (Byte & 0x20)
PPUPack.PPU.FixedColourRed = Byte & 0x1f;
FixColorsLog_Update();
}
else
{
int new_fixedcol;
// Colour data for fixed colour addition/subtraction
if (Byte & 0x80) {
//PPUPack.PPU.FixedColourBlue = Byte & 0x1f;
new_fixedcol=(Byte & 0x1f);
if (new_fixedcol!=PPUPack.PPU.FixedColourBlue)
{
//if (!(os9x_hack&PPU_IGNORE_FIXEDCOLCHANGES)){
//INFO_FLUSH_REDRAW("2132");
FLUSH_REDRAW();
//}
PPUPack.PPU.FixedColourBlue=new_fixedcol;
}
}
if (Byte & 0x40) {
//PPUPack.PPU.FixedColourGreen = Byte & 0x1f;
new_fixedcol=(Byte & 0x1f);
if (new_fixedcol!=PPUPack.PPU.FixedColourGreen)
{
//if (!(os9x_hack&PPU_IGNORE_FIXEDCOLCHANGES)){
//INFO_FLUSH_REDRAW("2132");
FLUSH_REDRAW();
//}
PPUPack.PPU.FixedColourGreen=new_fixedcol;
}
}
if (Byte & 0x20) {
//PPUPack.PPU.FixedColourRed = Byte & 0x1f;
new_fixedcol=(Byte & 0x1f);
if (new_fixedcol!=PPUPack.PPU.FixedColourRed)
{
//if (!(os9x_hack&PPU_IGNORE_FIXEDCOLCHANGES)){
//INFO_FLUSH_REDRAW("2132");
FLUSH_REDRAW();
//}
PPUPack.PPU.FixedColourRed=new_fixedcol;
}
}
}
//else if((os9x_hack&PPU_IGNORE_FIXEDCOLCHANGES))
//{
// int new_fixedcol;
// // Colour data for fixed colour addition/subtraction
// if (Byte & 0x80) {
// //PPUPack.PPU.FixedColourBlue = Byte & 0x1f;
// new_fixedcol=(Byte & 0x1f);
// if (new_fixedcol!=PPUPack.PPU.FixedColourBlue) {if (1) {INFO_FLUSH_REDRAW("2132");FLUSH_REDRAW();}PPUPack.PPU.FixedColourBlue=new_fixedcol;}
// }
// if (Byte & 0x40) {
// //PPUPack.PPU.FixedColourGreen = Byte & 0x1f;
// new_fixedcol=(Byte & 0x1f);
// if (new_fixedcol!=PPUPack.PPU.FixedColourGreen) {if (1) {INFO_FLUSH_REDRAW("2132");FLUSH_REDRAW();}PPUPack.PPU.FixedColourGreen=new_fixedcol;}
// }
// if (Byte & 0x20) {
// //PPUPack.PPU.FixedColourRed = Byte & 0x1f;
// new_fixedcol=(Byte & 0x1f);
// if (new_fixedcol!=PPUPack.PPU.FixedColourRed) {if (1) {INFO_FLUSH_REDRAW("2132");FLUSH_REDRAW();}PPUPack.PPU.FixedColourRed=new_fixedcol;}
// }
//}
}
break;
case 0x2133:
// Screen settings
if (Byte != ROM_GLOBAL [0x2133])
{
#ifdef DEBUGGER
if (Byte & 0x40)
missing.mode7_bgmode = 1;
if (Byte & 0x08)
missing.pseudo_512 = 1;
#endif
if (Byte & 0x04)
{
PPUPack.PPU.ScreenHeight = SNES_HEIGHT_EXTENDED;
#ifdef DEBUGGER
missing.lines_239 = 1;
#endif
}
else
PPUPack.PPU.ScreenHeight = (Settings.PAL?SNES_HEIGHT_PAL:SNES_HEIGHT_NTSC);
#ifdef DEBUGGER
if (Byte & 0x02)
missing.sprite_double_height = 1;
if (Byte & 1)
missing.interlace = 1;
#endif
}
break;
case 0x2134:
case 0x2135:
case 0x2136:
// Matrix 16bit x 8bit multiply result (read-only)
return;
case 0x2137:
// Software latch for horizontal and vertical timers (read-only)
return;
case 0x2138:
// OAM read data (read-only)
return;
case 0x2139:
case 0x213a:
// VRAM read data (read-only)
return;
case 0x213b:
// CG-RAM read data (read-only)
return;
case 0x213c:
case 0x213d:
// Horizontal and vertical (low/high) read counter (read-only)
return;
case 0x213e:
// PPU status (time over and range over)
return;
case 0x213f:
// NTSC/PAL select and field (read-only)
return;
case 0x2140: case 0x2141: case 0x2142: case 0x2143:
case 0x2144: case 0x2145: case 0x2146: case 0x2147:
case 0x2148: case 0x2149: case 0x214a: case 0x214b:
case 0x214c: case 0x214d: case 0x214e: case 0x214f:
case 0x2150: case 0x2151: case 0x2152: case 0x2153:
case 0x2154: case 0x2155: case 0x2156: case 0x2157:
case 0x2158: case 0x2159: case 0x215a: case 0x215b:
case 0x215c: case 0x215d: case 0x215e: case 0x215f:
case 0x2160: case 0x2161: case 0x2162: case 0x2163:
case 0x2164: case 0x2165: case 0x2166: case 0x2167:
case 0x2168: case 0x2169: case 0x216a: case 0x216b:
case 0x216c: case 0x216d: case 0x216e: case 0x216f:
case 0x2170: case 0x2171: case 0x2172: case 0x2173:
case 0x2174: case 0x2175: case 0x2176: case 0x2177:
case 0x2178: case 0x2179: case 0x217a: case 0x217b:
case 0x217c: case 0x217d: case 0x217e: case 0x217f:
/*if (os9x_hack&APU_FIX) {
switch (Address&3) {
case 0: //0x2140
APUI00a=Byte;
break;
case 1: //0x2141
APUI01a=Byte;
APUI01b=0;
break;
case 2: //0x2142
APUI02a=Byte;
APUI02b=0;
break;
case 3: //0x2143