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Diffstat (limited to 'source/ppu.cpp')
-rw-r--r--source/ppu.cpp859
1 files changed, 567 insertions, 292 deletions
diff --git a/source/ppu.cpp b/source/ppu.cpp
index fc0bd51..def55e9 100644
--- a/source/ppu.cpp
+++ b/source/ppu.cpp
@@ -117,7 +117,7 @@ uint8 in_bit=0;
extern uint8 *HDMAMemPointers [8];
-static inline void S9xLatchCounters (bool force)
+void S9xLatchCounters (bool force)
{
if(!force && !(Memory.FillRAM[0x4213] & 0x80)) return;
@@ -204,8 +204,10 @@ void S9xUpdateHTimer ()
void S9xFixColourBrightness ()
{
IPPU.XB = mul_brightness [PPU.Brightness];
+#ifndef FOREVER_16_BIT
if (Settings.SixteenBit)
{
+#endif
for (int i = 0; i < 256; i++)
{
IPPU.Red [i] = IPPU.XB [PPU.CGDATA [i] & 0x1f];
@@ -214,7 +216,9 @@ void S9xFixColourBrightness ()
IPPU.ScreenColors [i] = BUILD_PIXEL (IPPU.Red [i], IPPU.Green [i],
IPPU.Blue [i]);
}
+#ifndef FOREVER_16_BIT
}
+#endif
}
/******************************************************************************/
@@ -472,8 +476,6 @@ void S9xSetPPU (uint8 Byte, uint16 Address)
PPU.VMA.Increment = 32;
break;
case 2:
- PPU.VMA.Increment = 128;
- break;
case 3:
PPU.VMA.Increment = 128;
break;
@@ -882,28 +884,20 @@ void S9xSetPPU (uint8 Byte, uint16 Address)
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;
@@ -969,7 +963,7 @@ void S9xSetPPU (uint8 Byte, uint16 Address)
if (Address == 0x2801 && Settings.SRTC)
S9xSetSRTC (Byte, Address);
else
- if (Address < 0x3000 || Address >= 0x3000 + 768)
+ if (Address < 0x3000 || Address >= 0x3300)
{
#ifdef DEBUGGER
missing.unknownppu_write = Address;
@@ -1010,39 +1004,27 @@ void S9xSetPPU (uint8 Byte, uint16 Address)
break;
case 0x3031:
- Memory.FillRAM [Address] = Byte;
- break;
case 0x3033:
+ case 0x3037:
+ case 0x3039:
+ case 0x303a:
+ case 0x303f:
Memory.FillRAM [Address] = Byte;
break;
case 0x3034:
- Memory.FillRAM [Address] = Byte & 0x7f;
- break;
case 0x3036:
Memory.FillRAM [Address] = Byte & 0x7f;
break;
- case 0x3037:
- Memory.FillRAM [Address] = Byte;
- break;
case 0x3038:
Memory.FillRAM [Address] = Byte;
fx_dirtySCBR();
break;
- case 0x3039:
- Memory.FillRAM [Address] = Byte;
- break;
- case 0x303a:
- Memory.FillRAM [Address] = Byte;
- break;
case 0x303b:
break;
case 0x303c:
Memory.FillRAM [Address] = Byte;
fx_updateRamBank(Byte);
break;
- case 0x303f:
- Memory.FillRAM [Address] = Byte;
- break;
case 0x301f:
Memory.FillRAM [Address] = Byte;
Memory.FillRAM [0x3000 + GSU_SFR] |= FLG_G;
@@ -1071,10 +1053,17 @@ void S9xSetPPU (uint8 Byte, uint16 Address)
/******************************************************************************/
uint8 S9xGetPPU (uint16 Address)
{
+#ifndef NO_OPEN_BUS
uint8 byte = OpenBus;
-
+#else
+ uint8 byte = 0; // Arbitrarily chosen value [Neb]
+#endif
if(Address<0x2100)//not a real PPU reg
+#ifndef NO_OPEN_BUS
return OpenBus; //treat as unmapped memory returning last byte on the bus
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
if (Address <= 0x2190)
{
switch (Address)
@@ -1086,18 +1075,34 @@ uint8 S9xGetPPU (uint16 Address)
#ifdef DEBUGGER
missing.oam_address_read = 1;
#endif
- return OpenBus;
+#ifndef NO_OPEN_BUS
+ return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x2104:
case 0x2105:
case 0x2106:
+#ifndef NO_OPEN_BUS
return PPU.OpenBus1;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x2107:
+#ifndef NO_OPEN_BUS
return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x2108:
case 0x2109:
case 0x210a:
+#ifndef NO_OPEN_BUS
return PPU.OpenBus1;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x210b:
case 0x210c:
case 0x210d:
@@ -1107,8 +1112,14 @@ uint8 S9xGetPPU (uint16 Address)
case 0x2111:
case 0x2112:
case 0x2113:
- missing.bg_offset_read = 1;
- return OpenBus;
+#ifdef DEBUGGER
+ missing.bg_offset_read = 1;
+#endif
+#ifndef NO_OPEN_BUS
+ return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x2114:
#ifdef DEBUGGER
@@ -1116,15 +1127,27 @@ uint8 S9xGetPPU (uint16 Address)
#endif
case 0x2115:
case 0x2116:
- return PPU.OpenBus1;
+#ifndef NO_OPEN_BUS
+ return PPU.OpenBus1;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x2117:
- return OpenBus;
+#ifndef NO_OPEN_BUS
+ return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x2118:
case 0x2119:
case 0x211a:
- return PPU.OpenBus1;
+#ifndef NO_OPEN_BUS
+ return PPU.OpenBus1;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x211b:
case 0x211c:
@@ -1135,26 +1158,16 @@ uint8 S9xGetPPU (uint16 Address)
#ifdef DEBUGGER
missing.matrix_read = 1;
#endif
- return OpenBus;
+#ifndef NO_OPEN_BUS
+ return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x2121:
case 0x2122:
case 0x2123:
- return OpenBus;
-
- case 0x2124:
- case 0x2125:
- case 0x2126:
- return PPU.OpenBus1;
-
case 0x2127:
- return OpenBus;
-
- case 0x2128:
- case 0x2129:
- case 0x212a:
- return PPU.OpenBus1;
-
case 0x212b:
case 0x212c:
case 0x212d:
@@ -1164,7 +1177,23 @@ uint8 S9xGetPPU (uint16 Address)
case 0x2131:
case 0x2132:
case 0x2133:
- return OpenBus;
+#ifndef NO_OPEN_BUS
+ return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
+
+ case 0x2124:
+ case 0x2125:
+ case 0x2126:
+ case 0x2128:
+ case 0x2129:
+ case 0x212a:
+#ifndef NO_OPEN_BUS
+ return PPU.OpenBus1;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x2134:
case 0x2135:
@@ -1182,10 +1211,18 @@ uint8 S9xGetPPU (uint16 Address)
#ifdef DEBUGGER
missing.matrix_multiply = 1;
#endif
- return (PPU.OpenBus1 = Memory.FillRAM[Address]);
+ return (
+#ifndef NO_OPEN_BUS
+ PPU.OpenBus1 =
+#endif
+ Memory.FillRAM[Address]);
case 0x2137:
S9xLatchCounters(0);
+#ifndef NO_OPEN_BUS
return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x2138:
// Read OAM (sprite) control data
@@ -1230,7 +1267,11 @@ uint8 S9xGetPPU (uint16 Address)
#ifdef DEBUGGER
missing.oam_read = 1;
#endif
- return (PPU.OpenBus1 = byte);
+ return (
+#ifndef NO_OPEN_BUS
+ PPU.OpenBus1 =
+#endif
+ byte);
case 0x2139:
// Read vram low byte
@@ -1275,7 +1316,9 @@ uint8 S9xGetPPU (uint16 Address)
IPPU.FirstVRAMRead = FALSE;
}
#endif
+#ifndef NO_OPEN_BUS
PPU.OpenBus1 = byte;
+#endif
break;
case 0x213A:
// Read vram high byte
@@ -1319,7 +1362,9 @@ uint8 S9xGetPPU (uint16 Address)
IPPU.FirstVRAMRead = FALSE;
}
#endif
+#ifndef NO_OPEN_BUS
PPU.OpenBus1 = byte;
+#endif
break;
case 0x213B:
@@ -1333,7 +1378,11 @@ uint8 S9xGetPPU (uint16 Address)
byte = PPU.CGDATA [PPU.CGADD] & 0xff;
PPU.CGFLIPRead ^= 1;
- return (PPU.OpenBus2 = byte);
+ return (
+#ifndef NO_OPEN_BUS
+ PPU.OpenBus2 =
+#endif
+ byte);
case 0x213C:
// Horizontal counter value 0-339
@@ -1341,10 +1390,19 @@ uint8 S9xGetPPU (uint16 Address)
missing.h_counter_read = 1;
#endif
if (PPU.HBeamFlip)
- byte = (PPU.OpenBus2 & 0xfe) | ((PPU.HBeamPosLatched >> 8) & 0x01);
+ byte =
+#ifndef NO_OPEN_BUS
+ (PPU.OpenBus2 & 0xfe)
+#else
+ 0 // Arbitrarily chosen value [Neb]
+#endif
+ | ((PPU.HBeamPosLatched >> 8) & 0x01);
+
else
byte = (uint8)PPU.HBeamPosLatched;
+#ifndef NO_OPEN_BUS
PPU.OpenBus2 = byte;
+#endif
PPU.HBeamFlip ^= 1;
break;
@@ -1354,10 +1412,18 @@ uint8 S9xGetPPU (uint16 Address)
missing.v_counter_read = 1;
#endif
if (PPU.VBeamFlip)
- byte = (PPU.OpenBus2 & 0xfe) | ((PPU.VBeamPosLatched >> 8) & 0x01);
+ byte =
+#ifndef NO_OPEN_BUS
+ (PPU.OpenBus2 & 0xfe)
+#else
+ 0 // Arbitrarily chosen value [Neb]
+#endif
+ | ((PPU.VBeamPosLatched >> 8) & 0x01);
else
byte = (uint8)PPU.VBeamPosLatched;
+#ifndef NO_OPEN_BUS
PPU.OpenBus2 = byte;
+#endif
PPU.VBeamFlip ^= 1;
break;
@@ -1366,14 +1432,22 @@ uint8 S9xGetPPU (uint16 Address)
FLUSH_REDRAW ();
//so far, 5c77 version is always 1.
- return (PPU.OpenBus1 = (Model->_5C77 | PPU.RangeTimeOver));
+ return (
+#ifndef NO_OPEN_BUS
+ PPU.OpenBus1 =
+#endif
+ (Model->_5C77 | PPU.RangeTimeOver));
case 0x213F:
// NTSC/PAL and which field flags
PPU.VBeamFlip = PPU.HBeamFlip = 0;
//neviksti found a 2 and a 3 here. SNEeSe uses a 3.
//XXX: field flags not emulated
- return ((Settings.PAL ? 0x10 : 0) | (Memory.FillRAM[0x213f] & 0xc0)| Model->_5C78) | (~PPU.OpenBus2 & 0x20);
+ return ((Settings.PAL ? 0x10 : 0) | (Memory.FillRAM[0x213f] & 0xc0)| Model->_5C78)
+#ifndef NO_OPEN_BUS
+ | (~PPU.OpenBus2 & 0x20)
+#endif
+ ;
case 0x2140: case 0x2141: case 0x2142: case 0x2143:
case 0x2144: case 0x2145: case 0x2146: case 0x2147:
@@ -1403,7 +1477,7 @@ uint8 S9xGetPPU (uint16 Address)
{
#ifdef CPU_SHUTDOWN
// CPU.WaitAddress = CPU.PCAtOpcodeStart;
-#endif
+#endif
if (SNESGameFixes.APU_OutPorts_ReturnValueFix &&
Address >= 0x2140 && Address <= 0x2143 && !CPU.V_Counter)
{
@@ -1418,13 +1492,11 @@ uint8 S9xGetPPU (uint16 Address)
{
case 0:
case 1:
+ case 3:
CPU.BranchSkip = TRUE;
break;
case 2:
break;
- case 3:
- CPU.BranchSkip = TRUE;
- break;
}
if ((Address & 3) < 2)
{
@@ -1457,10 +1529,12 @@ uint8 S9xGetPPU (uint16 Address)
case 0x2181:
case 0x2182:
case 0x2183:
- return OpenBus;
-
- default:
- return OpenBus;
+ default:
+#ifndef NO_OPEN_BUS
+ return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
}
}
else
@@ -1474,15 +1548,23 @@ uint8 S9xGetPPU (uint16 Address)
{
case 0x21c2:
if(Model->_5C77 ==2)
- return (0x20);
+ return (0x20);
// fprintf(stderr, "Read from $21c2!\n");
- return OpenBus;
+#ifndef NO_OPEN_BUS
+ return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x21c3:
- if(Model->_5C77 ==2)
+ if(Model->_5C77 ==2)
return (0);
// fprintf(stderr, "Read from $21c3!\n");
- return OpenBus;
+#ifndef NO_OPEN_BUS
+ return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x2800:
// For Dai Kaijyu Monogatari II
if (Settings.SRTC)
@@ -1498,12 +1580,20 @@ uint8 S9xGetPPU (uint16 Address)
S9xMessage (S9X_TRACE, S9X_PPU_TRACE, String);
}
#endif
- return OpenBus;
+#ifndef NO_OPEN_BUS
+ return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
}
}
if (!Settings.SuperFX)
- return OpenBus;
+#ifndef NO_OPEN_BUS
+ return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
#ifdef ZSNES_FX
if (Address < 0x3040)
byte = S9xSuperFXReadReg (Address);
@@ -1804,7 +1894,6 @@ void S9xSetCPU (uint8 byte, uint16 Address)
case 0x4216:
case 0x4217:
// Multiply product (read-only)
- return;
case 0x4218:
case 0x4219:
case 0x421a:
@@ -2165,7 +2254,11 @@ uint8 S9xGetCPU (uint16 Address)
S9xMessage (S9X_TRACE, S9X_PPU_TRACE, String);
}
#endif
- return OpenBus;
+#ifndef NO_OPEN_BUS
+ return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
}
// return (Memory.FillRAM [Address]);
@@ -2189,7 +2282,11 @@ uint8 S9xGetCPU (uint16 Address)
case 0x420d:
case 0x420e:
case 0x420f:
+#ifndef NO_OPEN_BUS
return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
case 0x4210:
#ifdef CPU_SHUTDOWN
@@ -2198,7 +2295,11 @@ uint8 S9xGetCPU (uint16 Address)
byte = Memory.FillRAM[0x4210];
Memory.FillRAM[0x4210] = Model->_5A22;
//SNEeSe returns 2 for 5A22 version.
- return ((byte&0x80)|(OpenBus&0x70)|Model->_5A22);
+ return ((byte&0x80)
+#ifndef NO_OPEN_BUS
+ |(OpenBus&0x70)
+#endif
+ |Model->_5A22);
case 0x4211:
byte = (CPU.IRQActive & (PPU_V_BEAM_IRQ_SOURCE | PPU_H_BEAM_IRQ_SOURCE)) ? 0x80 : 0;
@@ -2207,7 +2308,9 @@ uint8 S9xGetCPU (uint16 Address)
CLEAR_IRQ_SOURCE (PPU_V_BEAM_IRQ_SOURCE | PPU_H_BEAM_IRQ_SOURCE);
// Maybe? Register Scan indicated open bus...
+#ifndef NO_OPEN_BUS
byte |= OpenBus&0x3f;
+#endif
return (byte);
@@ -2216,7 +2319,11 @@ uint8 S9xGetCPU (uint16 Address)
#ifdef CPU_SHUTDOWN
CPU.WaitAddress = CPU.PCAtOpcodeStart;
#endif
- return (REGISTER_4212()|(OpenBus&0x3E));
+ return (REGISTER_4212()
+#ifndef NO_OPEN_BUS
+ |(OpenBus&0x3E)
+#endif
+ );
case 0x4213:
// I/O port input - returns 0 wherever $4201 is 0, and 1 elsewhere
@@ -2230,7 +2337,6 @@ uint8 S9xGetCPU (uint16 Address)
case 0x4217:
// Multiplcation result (for multiply) or remainder of
// divison.
- return (Memory.FillRAM[Address]);
case 0x4218:
case 0x4219:
case 0x421a:
@@ -2240,7 +2346,6 @@ uint8 S9xGetCPU (uint16 Address)
case 0x421e:
case 0x421f:
// Joypads 1-4 button and direction state.
- return (Memory.FillRAM [Address]);
case 0x4300:
case 0x4310:
@@ -2251,7 +2356,6 @@ uint8 S9xGetCPU (uint16 Address)
case 0x4360:
case 0x4370:
// DMA direction, address type, fixed flag,
- return (Memory.FillRAM[Address]);
case 0x4301:
case 0x4311:
@@ -2261,7 +2365,6 @@ uint8 S9xGetCPU (uint16 Address)
case 0x4351:
case 0x4361:
case 0x4371:
- return (Memory.FillRAM[Address]);
case 0x4302:
case 0x4312:
@@ -2271,7 +2374,6 @@ uint8 S9xGetCPU (uint16 Address)
case 0x4352:
case 0x4362:
case 0x4372:
- return (Memory.FillRAM[Address]);
case 0x4303:
case 0x4313:
@@ -2281,7 +2383,6 @@ uint8 S9xGetCPU (uint16 Address)
case 0x4353:
case 0x4363:
case 0x4373:
- return (Memory.FillRAM[Address]);
case 0x4304:
case 0x4314:
@@ -2291,7 +2392,6 @@ uint8 S9xGetCPU (uint16 Address)
case 0x4354:
case 0x4364:
case 0x4374:
- return (Memory.FillRAM[Address]);
case 0x4305:
case 0x4315:
@@ -2301,7 +2401,6 @@ uint8 S9xGetCPU (uint16 Address)
case 0x4355:
case 0x4365:
case 0x4375:
- return (Memory.FillRAM[Address]);
case 0x4306:
case 0x4316:
@@ -2311,17 +2410,6 @@ uint8 S9xGetCPU (uint16 Address)
case 0x4356:
case 0x4366:
case 0x4376:
- return (Memory.FillRAM[Address]);
-
- case 0x4307:
- case 0x4317:
- case 0x4327:
- case 0x4337:
- case 0x4347:
- case 0x4357:
- case 0x4367:
- case 0x4377:
- return (DMA[(Address >> 4) & 7].IndirectBank);
case 0x4308:
case 0x4318:
@@ -2331,7 +2419,6 @@ uint8 S9xGetCPU (uint16 Address)
case 0x4358:
case 0x4368:
case 0x4378:
- return (Memory.FillRAM[Address]);
case 0x4309:
case 0x4319:
@@ -2343,6 +2430,16 @@ uint8 S9xGetCPU (uint16 Address)
case 0x4379:
return (Memory.FillRAM[Address]);
+ case 0x4307:
+ case 0x4317:
+ case 0x4327:
+ case 0x4337:
+ case 0x4347:
+ case 0x4357:
+ case 0x4367:
+ case 0x4377:
+ return (DMA[(Address >> 4) & 7].IndirectBank);
+
case 0x430A:
case 0x431A:
case 0x432A:
@@ -2401,12 +2498,16 @@ uint8 S9xGetCPU (uint16 Address)
return Memory.FillRAM[Address];
}
+#ifndef NO_OPEN_BUS
return OpenBus;
+#else
+ return 0; // Arbitrarily chosen value [Neb]
+#endif
}
// return (Memory.FillRAM[Address]);
}
-void S9xResetPPU ()
+static void CommonPPUReset ()
{
PPU.BGMode = 0;
PPU.BG3Priority = 0;
@@ -2414,6 +2515,7 @@ void S9xResetPPU ()
PPU.VMA.High = 0;
PPU.VMA.Increment = 1;
PPU.VMA.Address = 0;
+
PPU.VMA.FullGraphicCount = 0;
PPU.VMA.Shift = 0;
@@ -2437,13 +2539,11 @@ void S9xResetPPU ()
PPU.ClipCounts[4] = 0;
PPU.ClipCounts[5] = 0;
PPU.ClipWindowOverlapLogic[4] = PPU.ClipWindowOverlapLogic[5] = CLIP_OR;
- PPU.ClipWindow1Enable[4] = PPU.ClipWindow1Enable[5] = FALSE;
- PPU.ClipWindow2Enable[4] = PPU.ClipWindow2Enable[5] = FALSE;
- PPU.ClipWindow1Inside[4] = PPU.ClipWindow1Inside[5] = TRUE;
- PPU.ClipWindow2Inside[4] = PPU.ClipWindow2Inside[5] = TRUE;
+ PPU.ClipWindow1Enable[4] = PPU.ClipWindow1Enable[5] = PPU.ClipWindow2Enable[4] = PPU.ClipWindow2Enable[5] = FALSE;
+ PPU.ClipWindow1Inside[4] = PPU.ClipWindow1Inside[5] = PPU.ClipWindow2Inside[4] = PPU.ClipWindow2Inside[5] = TRUE;
PPU.CGFLIP = 0;
- int c;
+ uint16 c;
for (c = 0; c < 256; c++)
{
IPPU.Red [c] = (c & 7) << 2;
@@ -2469,8 +2569,10 @@ void S9xResetPPU ()
PPU.OAMPriorityRotation = 0;
PPU.OAMWriteRegister = 0;
PPU.RangeTimeOver = 0;
+#ifndef NO_OPEN_BUS
PPU.OpenBus1 = 0;
PPU.OpenBus2 = 0;
+#endif
PPU.OAMFlip = 0;
PPU.OAMTileAddress = 0;
@@ -2486,9 +2588,6 @@ void S9xResetPPU ()
PPU.MatrixA = PPU.MatrixB = PPU.MatrixC = PPU.MatrixD = 0;
PPU.CentreX = PPU.CentreY = 0;
- PPU.Joypad1ButtonReadPos = 0;
- PPU.Joypad2ButtonReadPos = 0;
- PPU.Joypad3ButtonReadPos = 0;
PPU.CGADD = 0;
PPU.FixedColourRed = PPU.FixedColourGreen = PPU.FixedColourBlue = 0;
@@ -2510,9 +2609,9 @@ void S9xResetPPU ()
PPU.VTimerEnabled = FALSE;
PPU.HTimerEnabled = FALSE;
PPU.HTimerPosition = Settings.H_Max + 1;
+
PPU.Mosaic = 0;
- PPU.BGMosaic [0] = PPU.BGMosaic [1] = FALSE;
- PPU.BGMosaic [2] = PPU.BGMosaic [3] = FALSE;
+ PPU.BGMosaic [0] = PPU.BGMosaic [1] = PPU.BGMosaic [2] = PPU.BGMosaic [3] = FALSE;
PPU.Mode7HFlip = FALSE;
PPU.Mode7VFlip = FALSE;
PPU.Mode7Repeat = 0;
@@ -2521,6 +2620,7 @@ void S9xResetPPU ()
PPU.Window2Left = 1;
PPU.Window2Right = 0;
PPU.RecomputeClipWindows = TRUE;
+
PPU.CGFLIPRead = 0;
PPU.Need16x8Mulitply = FALSE;
PPU.MouseSpeed[0] = PPU.MouseSpeed[1] = 0;
@@ -2538,6 +2638,7 @@ void S9xResetPPU ()
IPPU.DisplayedRenderedFrameCount = 0;
IPPU.SkippedFrames = 0;
IPPU.FrameSkip = 0;
+
ZeroMemory (IPPU.TileCached [TILE_2BIT], MAX_2BIT_TILES);
ZeroMemory (IPPU.TileCached [TILE_4BIT], MAX_4BIT_TILES);
ZeroMemory (IPPU.TileCached [TILE_8BIT], MAX_8BIT_TILES);
@@ -2553,16 +2654,11 @@ void S9xResetPPU ()
IPPU.RenderedScreenWidth = SNES_WIDTH;
IPPU.RenderedScreenHeight = SNES_HEIGHT;
IPPU.XB = NULL;
+
for (c = 0; c < 256; c++)
IPPU.ScreenColors [c] = c;
S9xFixColourBrightness ();
IPPU.PreviousLine = IPPU.CurrentLine = 0;
- IPPU.Joypads[0] = IPPU.Joypads[1] = IPPU.Joypads[2] = 0;
- IPPU.Joypads[3] = IPPU.Joypads[4] = 0;
- IPPU.SuperScope = 0;
- IPPU.Mouse[0] = IPPU.Mouse[1] = 0;
- IPPU.PrevMouseX[0] = IPPU.PrevMouseX[1] = 256 / 2;
- IPPU.PrevMouseY[0] = IPPU.PrevMouseY[1] = 224 / 2;
if (Settings.ControllerOption == 0)
IPPU.Controller = SNES_MAX_CONTROLLER_OPTIONS - 1;
@@ -2578,7 +2674,31 @@ void S9xResetPPU ()
S9xProcessMouse (0);
S9xProcessMouse (1);
}
- for (c = 0; c < 0x8000; c += 0x100)
+
+ ZeroMemory (&Memory.FillRAM [0x2100], 0x100);
+ ZeroMemory (&Memory.FillRAM [0x4200], 0x100);
+ ZeroMemory (&Memory.FillRAM [0x4000], 0x100);
+ // For BS Suttehakkun 2...
+ ZeroMemory (&Memory.FillRAM [0x1000], 0x1000);
+
+ Memory.FillRAM[0x4201]=Memory.FillRAM[0x4213]=0xFF;
+}
+
+void S9xResetPPU ()
+{
+ CommonPPUReset ();
+ PPU.Joypad1ButtonReadPos = 0;
+ PPU.Joypad2ButtonReadPos = 0;
+ PPU.Joypad3ButtonReadPos = 0;
+
+ IPPU.Joypads[0] = IPPU.Joypads[1] = IPPU.Joypads[2] = 0;
+ IPPU.Joypads[3] = IPPU.Joypads[4] = 0;
+ IPPU.SuperScope = 0;
+ IPPU.Mouse[0] = IPPU.Mouse[1] = 0;
+ IPPU.PrevMouseX[0] = IPPU.PrevMouseX[1] = 256 / 2;
+ IPPU.PrevMouseY[0] = IPPU.PrevMouseY[1] = 224 / 2;
+
+ for (uint16 c = 0; c < 0x8000; c += 0x100)
{
if ( !Settings.SuperFX )
{
@@ -2592,166 +2712,15 @@ void S9xResetPPU ()
memset (&Memory.FillRAM [c], c >> 8, 0x100);
}
}
-
- ZeroMemory (&Memory.FillRAM [0x2100], 0x100);
- ZeroMemory (&Memory.FillRAM [0x4200], 0x100);
- ZeroMemory (&Memory.FillRAM [0x4000], 0x100);
- // For BS Suttehakkun 2...
- ZeroMemory (&Memory.FillRAM [0x1000], 0x1000);
-
- Memory.FillRAM[0x4201]=Memory.FillRAM[0x4213]=0xFF;
}
void S9xSoftResetPPU ()
{
- PPU.BGMode = 0;
- PPU.BG3Priority = 0;
- PPU.Brightness = 0;
- PPU.VMA.High = 0;
- PPU.VMA.Increment = 1;
- PPU.VMA.Address = 0;
- PPU.VMA.FullGraphicCount = 0;
- PPU.VMA.Shift = 0;
-
- for (uint8 B = 0; B != 4; B++)
- {
- PPU.BG[B].SCBase = 0;
- PPU.BG[B].VOffset = 0;
- PPU.BG[B].HOffset = 0;
- PPU.BG[B].BGSize = 0;
- PPU.BG[B].NameBase = 0;
- PPU.BG[B].SCSize = 0;
-
- PPU.ClipCounts[B] = 0;
- PPU.ClipWindowOverlapLogic [B] = CLIP_OR;
- PPU.ClipWindow1Enable[B] = FALSE;
- PPU.ClipWindow2Enable[B] = FALSE;
- PPU.ClipWindow1Inside[B] = TRUE;
- PPU.ClipWindow2Inside[B] = TRUE;
- }
-
- PPU.ClipCounts[4] = 0;
- PPU.ClipCounts[5] = 0;
- PPU.ClipWindowOverlapLogic[4] = PPU.ClipWindowOverlapLogic[5] = CLIP_OR;
- PPU.ClipWindow1Enable[4] = PPU.ClipWindow1Enable[5] = FALSE;
- PPU.ClipWindow2Enable[4] = PPU.ClipWindow2Enable[5] = FALSE;
- PPU.ClipWindow1Inside[4] = PPU.ClipWindow1Inside[5] = TRUE;
- PPU.ClipWindow2Inside[4] = PPU.ClipWindow2Inside[5] = TRUE;
-
- PPU.CGFLIP = 0;
- int c;
- for (c = 0; c < 256; c++)
- {
- IPPU.Red [c] = (c & 7) << 2;
- IPPU.Green [c] = ((c >> 3) & 7) << 2;
- IPPU.Blue [c] = ((c >> 6) & 2) << 3;
- PPU.CGDATA [c] = IPPU.Red [c] | (IPPU.Green [c] << 5) |
- (IPPU.Blue [c] << 10);
- }
-
- PPU.FirstSprite = 0;
- PPU.LastSprite = 127;
- for (int Sprite = 0; Sprite < 128; Sprite++)
- {
- PPU.OBJ[Sprite].HPos = 0;
- PPU.OBJ[Sprite].VPos = 0;
- PPU.OBJ[Sprite].VFlip = 0;
- PPU.OBJ[Sprite].HFlip = 0;
- PPU.OBJ[Sprite].Priority = 0;
- PPU.OBJ[Sprite].Palette = 0;
- PPU.OBJ[Sprite].Name = 0;
- PPU.OBJ[Sprite].Size = 0;
- }
- PPU.OAMPriorityRotation = 0;
- PPU.OAMWriteRegister = 0;
- PPU.RangeTimeOver = 0;
- PPU.OpenBus1 = 0;
- PPU.OpenBus2 = 0;
-
- PPU.OAMFlip = 0;
- PPU.OAMTileAddress = 0;
- PPU.OAMAddr = 0;
- PPU.IRQVBeamPos = 0;
- PPU.IRQHBeamPos = 0;
- PPU.VBeamPosLatched = 0;
- PPU.HBeamPosLatched = 0;
-
- PPU.HBeamFlip = 0;
- PPU.VBeamFlip = 0;
- PPU.HVBeamCounterLatched = 0;
-
- PPU.MatrixA = PPU.MatrixB = PPU.MatrixC = PPU.MatrixD = 0;
- PPU.CentreX = PPU.CentreY = 0;
+ CommonPPUReset ();
// PPU.Joypad1ButtonReadPos = 0;
// PPU.Joypad2ButtonReadPos = 0;
// PPU.Joypad3ButtonReadPos = 0;
- PPU.CGADD = 0;
- PPU.FixedColourRed = PPU.FixedColourGreen = PPU.FixedColourBlue = 0;
- PPU.SavedOAMAddr = 0;
- PPU.ScreenHeight = SNES_HEIGHT;
- PPU.WRAM = 0;
- PPU.BG_Forced = 0;
- PPU.ForcedBlanking = TRUE;
- PPU.OBJThroughMain = FALSE;
- PPU.OBJThroughSub = FALSE;
- PPU.OBJSizeSelect = 0;
- PPU.OBJNameSelect = 0;
- PPU.OBJNameBase = 0;
- PPU.OBJAddition = FALSE;
- PPU.OAMReadFlip = 0;
- PPU.BGnxOFSbyte = 0;
- ZeroMemory (PPU.OAMData, 512 + 32);
-
- PPU.VTimerEnabled = FALSE;
- PPU.HTimerEnabled = FALSE;
- PPU.HTimerPosition = Settings.H_Max + 1;
- PPU.Mosaic = 0;
- PPU.BGMosaic [0] = PPU.BGMosaic [1] = FALSE;
- PPU.BGMosaic [2] = PPU.BGMosaic [3] = FALSE;
- PPU.Mode7HFlip = FALSE;
- PPU.Mode7VFlip = FALSE;
- PPU.Mode7Repeat = 0;
- PPU.Window1Left = 1;
- PPU.Window1Right = 0;
- PPU.Window2Left = 1;
- PPU.Window2Right = 0;
- PPU.RecomputeClipWindows = TRUE;
- PPU.CGFLIPRead = 0;
- PPU.Need16x8Mulitply = FALSE;
- PPU.MouseSpeed[0] = PPU.MouseSpeed[1] = 0;
- IPPU.ColorsChanged = TRUE;
- IPPU.HDMA = 0;
- IPPU.HDMAStarted = FALSE;
- IPPU.MaxBrightness = 0;
- IPPU.LatchedBlanking = 0;
- IPPU.OBJChanged = TRUE;
- IPPU.RenderThisFrame = TRUE;
- IPPU.DirectColourMapsNeedRebuild = TRUE;
- IPPU.FrameCount = 0;
- IPPU.RenderedFramesCount = 0;
- IPPU.DisplayedRenderedFrameCount = 0;
- IPPU.SkippedFrames = 0;
- IPPU.FrameSkip = 0;
- ZeroMemory (IPPU.TileCached [TILE_2BIT], MAX_2BIT_TILES);
- ZeroMemory (IPPU.TileCached [TILE_4BIT], MAX_4BIT_TILES);
- ZeroMemory (IPPU.TileCached [TILE_8BIT], MAX_8BIT_TILES);
-#ifdef CORRECT_VRAM_READS
- IPPU.VRAMReadBuffer = 0; // XXX: FIXME: anything better?
-#else
- IPPU.FirstVRAMRead = FALSE;
-#endif
- IPPU.Interlace = FALSE;
- IPPU.InterlaceSprites = FALSE;
- IPPU.DoubleWidthPixels = FALSE;
- IPPU.DoubleHeightPixels = FALSE;
- IPPU.RenderedScreenWidth = SNES_WIDTH;
- IPPU.RenderedScreenHeight = SNES_HEIGHT;
- IPPU.XB = NULL;
- for (c = 0; c < 256; c++)
- IPPU.ScreenColors [c] = c;
- S9xFixColourBrightness ();
- IPPU.PreviousLine = IPPU.CurrentLine = 0;
// IPPU.Joypads[0] = IPPU.Joypads[1] = IPPU.Joypads[2] = 0;
// IPPU.Joypads[3] = IPPU.Joypads[4] = 0;
// IPPU.SuperScope = 0;
@@ -2759,30 +2728,8 @@ void S9xSoftResetPPU ()
// IPPU.PrevMouseX[0] = IPPU.PrevMouseX[1] = 256 / 2;
// IPPU.PrevMouseY[0] = IPPU.PrevMouseY[1] = 224 / 2;
- if (Settings.ControllerOption == 0)
- IPPU.Controller = SNES_MAX_CONTROLLER_OPTIONS - 1;
- else
- IPPU.Controller = Settings.ControllerOption - 1;
- S9xNextController ();
-
- for (c = 0; c < 2; c++)
- memset (&IPPU.Clip [c], 0, sizeof (struct ClipData));
-
- if (Settings.MouseMaster)
- {
- S9xProcessMouse (0);
- S9xProcessMouse (1);
- }
- for (c = 0; c < 0x8000; c += 0x100)
+ for (uint16 c = 0; c < 0x8000; c += 0x100)
memset (&Memory.FillRAM [c], c >> 8, 0x100);
-
- ZeroMemory (&Memory.FillRAM [0x2100], 0x100);
- ZeroMemory (&Memory.FillRAM [0x4200], 0x100);
- ZeroMemory (&Memory.FillRAM [0x4000], 0x100);
- // For BS Suttehakkun 2...
- ZeroMemory (&Memory.FillRAM [0x1000], 0x1000);
-
- Memory.FillRAM[0x4201]=Memory.FillRAM[0x4213]=0xFF;
}
void S9xProcessMouse (int which1)
@@ -3042,20 +2989,53 @@ void S9xUpdateJustifiers()
void S9xUpdateJoypads ()
{
- int i;
+ uint32 i;
+#ifdef SYNC_JOYPAD_AT_HBLANK
+ uint32 j, k, KeyValue;
+ bool8 StartedPressed;
+
+ // For each joypad
+ for (i = 0; i < 5; i++)
+ {
+ IPPU.Joypads [i] = 0;
+ // Sync each key
+ for (k = SNES_TR_MASK /* lowest value */; k != SNES_B_MASK << 1 /* one bit past the highest value */; k <<= 1)
+ {
+ KeyValue = IPPU.JoypadsAtHBlanks[i][0] & k;
+ StartedPressed = KeyValue != 0;
+ // from each line.
+ // If, initially, the key is NOT pressed, one line of it being
+ // pressed means that the key MUST be pressed.
+ // Otherwise, the key MUST be pressed if it doesn't start as such.
+ for (j = 1; j < (Settings.PAL ? SNES_MAX_PAL_VCOUNTER : SNES_MAX_NTSC_VCOUNTER); j++)
+ {
+ if ((StartedPressed) && ((IPPU.JoypadsAtHBlanks[i][j] & k) == 0)) {
+ KeyValue = 0;
+ break;
+ }
+ else if ((!StartedPressed) && ((IPPU.JoypadsAtHBlanks[i][j] & k) != 0)) {
+ KeyValue = k;
+ break;
+ }
+ }
+ IPPU.Joypads [i] |= KeyValue;
+ }
+ }
+#else
for (i = 0; i < 5; i++)
{
IPPU.Joypads [i] = S9xReadJoypad (i);
}
+#endif
// S9xMovieUpdate();
for (i = 0; i < 5; i++)
{
- if (IPPU.Joypads [i] & SNES_LEFT_MASK)
+ if ((IPPU.Joypads [i] & (SNES_LEFT_MASK | SNES_RIGHT_MASK)) == (SNES_LEFT_MASK | SNES_RIGHT_MASK))
IPPU.Joypads [i] &= ~SNES_RIGHT_MASK;
- if (IPPU.Joypads [i] & SNES_UP_MASK)
+ if ((IPPU.Joypads [i] & (SNES_UP_MASK | SNES_DOWN_MASK)) == (SNES_UP_MASK | SNES_DOWN_MASK))
IPPU.Joypads [i] &= ~SNES_DOWN_MASK;
}
@@ -3297,3 +3277,298 @@ printf ("%06x: %d\n", t, FxEmulate (2000000));
}
#endif
+// Register reads and writes...
+
+uint8 REGISTER_4212()
+{
+ uint8 GetBank = 0;
+ if (CPU.V_Counter >= PPU.ScreenHeight + FIRST_VISIBLE_LINE &&
+ CPU.V_Counter < PPU.ScreenHeight + FIRST_VISIBLE_LINE + 3)
+ GetBank = 1;
+
+ GetBank |= CPU.Cycles >= Settings.HBlankStart ? 0x40 : 0;
+ if (CPU.V_Counter >= PPU.ScreenHeight + FIRST_VISIBLE_LINE)
+ GetBank |= 0x80; /* XXX: 0x80 or 0xc0 ? */
+
+ return (GetBank);
+}
+
+void FLUSH_REDRAW ()
+{
+ if (IPPU.PreviousLine != IPPU.CurrentLine)
+ S9xUpdateScreen ();
+}
+
+void REGISTER_2104 (uint8 byte)
+{
+ if (PPU.OAMAddr & 0x100)
+ {
+ int addr = ((PPU.OAMAddr & 0x10f) << 1) + (PPU.OAMFlip & 1);
+ if (byte != PPU.OAMData [addr]){
+ FLUSH_REDRAW ();
+ PPU.OAMData [addr] = byte;
+ IPPU.OBJChanged = TRUE;
+
+ // X position high bit, and sprite size (x4)
+ struct SOBJ *pObj = &PPU.OBJ [(addr & 0x1f) * 4];
+
+ pObj->HPos = (pObj->HPos & 0xFF) | SignExtend[(byte >> 0) & 1];
+ pObj++->Size = byte & 2;
+ pObj->HPos = (pObj->HPos & 0xFF) | SignExtend[(byte >> 2) & 1];
+ pObj++->Size = byte & 8;
+ pObj->HPos = (pObj->HPos & 0xFF) | SignExtend[(byte >> 4) & 1];
+ pObj++->Size = byte & 32;
+ pObj->HPos = (pObj->HPos & 0xFF) | SignExtend[(byte >> 6) & 1];
+ pObj->Size = byte & 128;
+ }
+ PPU.OAMFlip ^= 1;
+ if(!(PPU.OAMFlip & 1)){
+ ++PPU.OAMAddr;
+ PPU.OAMAddr &= 0x1ff;
+ if (PPU.OAMPriorityRotation && PPU.FirstSprite != (PPU.OAMAddr >> 1))
+ {
+ PPU.FirstSprite = (PPU.OAMAddr&0xFE) >> 1;
+ IPPU.OBJChanged = TRUE;
+ }
+ } else {
+ if (PPU.OAMPriorityRotation && (PPU.OAMAddr&1)) IPPU.OBJChanged = TRUE;
+ }
+ } else if(!(PPU.OAMFlip & 1)){
+ PPU.OAMWriteRegister &= 0xff00;
+ PPU.OAMWriteRegister |= byte;
+ PPU.OAMFlip |= 1;
+ if (PPU.OAMPriorityRotation && (PPU.OAMAddr&1)) IPPU.OBJChanged = TRUE;
+ } else {
+ PPU.OAMWriteRegister &= 0x00ff;
+ uint8 lowbyte = (uint8)(PPU.OAMWriteRegister);
+ uint8 highbyte = byte;
+ PPU.OAMWriteRegister |= byte << 8;
+
+ int addr = (PPU.OAMAddr << 1);
+
+ if (lowbyte != PPU.OAMData [addr] ||
+ highbyte != PPU.OAMData [addr+1])
+ {
+ FLUSH_REDRAW ();
+ PPU.OAMData [addr] = lowbyte;
+ PPU.OAMData [addr+1] = highbyte;
+ IPPU.OBJChanged = TRUE;
+ if (addr & 2)
+ {
+ // Tile
+ PPU.OBJ[addr = PPU.OAMAddr >> 1].Name = PPU.OAMWriteRegister & 0x1ff;
+
+ // priority, h and v flip.
+ PPU.OBJ[addr].Palette = (highbyte >> 1) & 7;
+ PPU.OBJ[addr].Priority = (highbyte >> 4) & 3;
+ PPU.OBJ[addr].HFlip = (highbyte >> 6) & 1;
+ PPU.OBJ[addr].VFlip = (highbyte >> 7) & 1;
+ }
+ else
+ {
+ // X position (low)
+ PPU.OBJ[addr = PPU.OAMAddr >> 1].HPos &= 0xFF00;
+ PPU.OBJ[addr].HPos |= lowbyte;
+
+ // Sprite Y position
+ PPU.OBJ[addr].VPos = highbyte;
+ }
+ }
+ PPU.OAMFlip &= ~1;
+ ++PPU.OAMAddr;
+ if (PPU.OAMPriorityRotation && PPU.FirstSprite != (PPU.OAMAddr >> 1))
+ {
+ PPU.FirstSprite = (PPU.OAMAddr&0xFE) >> 1;
+ IPPU.OBJChanged = TRUE;
+ }
+ }
+
+ Memory.FillRAM [0x2104] = byte;
+}
+
+void REGISTER_2118 (uint8 Byte)
+{
+ uint32 address;
+ if (PPU.VMA.FullGraphicCount)
+ {
+ uint32 rem = PPU.VMA.Address & PPU.VMA.Mask1;
+ address = (((PPU.VMA.Address & ~PPU.VMA.Mask1) +
+ (rem >> PPU.VMA.Shift) +
+ ((rem & (PPU.VMA.FullGraphicCount - 1)) << 3)) << 1) & 0xffff;
+ Memory.VRAM [address] = Byte;
+ }
+ else
+ {
+ Memory.VRAM[address = (PPU.VMA.Address << 1) & 0xFFFF] = Byte;
+ }
+ IPPU.TileCached [TILE_2BIT][address >> 4] = FALSE;
+ IPPU.TileCached [TILE_4BIT][address >> 5] = FALSE;
+ IPPU.TileCached [TILE_8BIT][address >> 6] = FALSE;
+ if (!PPU.VMA.High)
+ {
+#ifdef DEBUGGER
+ if (Settings.TraceVRAM && !CPU.InDMA)
+ {
+ printf ("VRAM write byte: $%04X (%d,%d)\n", PPU.VMA.Address,
+ Memory.FillRAM[0x2115] & 3,
+ (Memory.FillRAM [0x2115] & 0x0c) >> 2);
+ }
+#endif
+ PPU.VMA.Address += PPU.VMA.Increment;
+ }
+// Memory.FillRAM [0x2118] = Byte;
+}
+
+void REGISTER_2118_tile (uint8 Byte)
+{
+ uint32 address;
+ uint32 rem = PPU.VMA.Address & PPU.VMA.Mask1;
+ address = (((PPU.VMA.Address & ~PPU.VMA.Mask1) +
+ (rem >> PPU.VMA.Shift) +
+ ((rem & (PPU.VMA.FullGraphicCount - 1)) << 3)) << 1) & 0xffff;
+ Memory.VRAM [address] = Byte;
+ IPPU.TileCached [TILE_2BIT][address >> 4] = FALSE;
+ IPPU.TileCached [TILE_4BIT][address >> 5] = FALSE;
+ IPPU.TileCached [TILE_8BIT][address >> 6] = FALSE;
+ if (!PPU.VMA.High)
+ PPU.VMA.Address += PPU.VMA.Increment;
+// Memory.FillRAM [0x2118] = Byte;
+}
+
+void REGISTER_2118_linear (uint8 Byte)
+{
+ uint32 address;
+ Memory.VRAM[address = (PPU.VMA.Address << 1) & 0xFFFF] = Byte;
+ IPPU.TileCached [TILE_2BIT][address >> 4] = FALSE;
+ IPPU.TileCached [TILE_4BIT][address >> 5] = FALSE;
+ IPPU.TileCached [TILE_8BIT][address >> 6] = FALSE;
+ if (!PPU.VMA.High)
+ PPU.VMA.Address += PPU.VMA.Increment;
+// Memory.FillRAM [0x2118] = Byte;
+}
+
+void REGISTER_2119 (uint8 Byte)
+{
+ uint32 address;
+ if (PPU.VMA.FullGraphicCount)
+ {
+ uint32 rem = PPU.VMA.Address & PPU.VMA.Mask1;
+ address = ((((PPU.VMA.Address & ~PPU.VMA.Mask1) +
+ (rem >> PPU.VMA.Shift) +
+ ((rem & (PPU.VMA.FullGraphicCount - 1)) << 3)) << 1) + 1) & 0xFFFF;
+ Memory.VRAM [address] = Byte;
+ }
+ else
+ {
+ Memory.VRAM[address = ((PPU.VMA.Address << 1) + 1) & 0xFFFF] = Byte;
+ }
+ IPPU.TileCached [TILE_2BIT][address >> 4] = FALSE;
+ IPPU.TileCached [TILE_4BIT][address >> 5] = FALSE;
+ IPPU.TileCached [TILE_8BIT][address >> 6] = FALSE;
+ if (PPU.VMA.High)
+ {
+#ifdef DEBUGGER
+ if (Settings.TraceVRAM && !CPU.InDMA)
+ {
+ printf ("VRAM write word: $%04X (%d,%d)\n", PPU.VMA.Address,
+ Memory.FillRAM[0x2115] & 3,
+ (Memory.FillRAM [0x2115] & 0x0c) >> 2);
+ }
+#endif
+ PPU.VMA.Address += PPU.VMA.Increment;
+ }
+// Memory.FillRAM [0x2119] = Byte;
+}
+
+void REGISTER_2119_tile (uint8 Byte)
+{
+ uint32 rem = PPU.VMA.Address & PPU.VMA.Mask1;
+ uint32 address = ((((PPU.VMA.Address & ~PPU.VMA.Mask1) +
+ (rem >> PPU.VMA.Shift) +
+ ((rem & (PPU.VMA.FullGraphicCount - 1)) << 3)) << 1) + 1) & 0xFFFF;
+ Memory.VRAM [address] = Byte;
+ IPPU.TileCached [TILE_2BIT][address >> 4] = FALSE;
+ IPPU.TileCached [TILE_4BIT][address >> 5] = FALSE;
+ IPPU.TileCached [TILE_8BIT][address >> 6] = FALSE;
+ if (PPU.VMA.High)
+ PPU.VMA.Address += PPU.VMA.Increment;
+// Memory.FillRAM [0x2119] = Byte;
+}
+
+void REGISTER_2119_linear (uint8 Byte)
+{
+ uint32 address;
+ Memory.VRAM[address = ((PPU.VMA.Address << 1) + 1) & 0xFFFF] = Byte;
+ IPPU.TileCached [TILE_2BIT][address >> 4] = FALSE;
+ IPPU.TileCached [TILE_4BIT][address >> 5] = FALSE;
+ IPPU.TileCached [TILE_8BIT][address >> 6] = FALSE;
+ if (PPU.VMA.High)
+ PPU.VMA.Address += PPU.VMA.Increment;
+// Memory.FillRAM [0x2119] = Byte;
+}
+
+void REGISTER_2122(uint8 Byte)
+{
+ // CG-RAM (palette) write
+
+ if (PPU.CGFLIP)
+ {
+ if ((Byte & 0x7f) != (PPU.CGDATA[PPU.CGADD] >> 8))
+ {
+#ifndef FOREVER_16_BIT
+ if (Settings.SixteenBit)
+#endif
+ FLUSH_REDRAW ();
+ PPU.CGDATA[PPU.CGADD] &= 0x00FF;
+ PPU.CGDATA[PPU.CGADD] |= (Byte & 0x7f) << 8;
+ IPPU.ColorsChanged = TRUE;
+#ifndef FOREVER_16_BIT
+ if (Settings.SixteenBit)
+ {
+#endif
+ IPPU.Blue [PPU.CGADD] = IPPU.XB [(Byte >> 2) & 0x1f];
+ IPPU.Green [PPU.CGADD] = IPPU.XB [(PPU.CGDATA[PPU.CGADD] >> 5) & 0x1f];
+ IPPU.ScreenColors [PPU.CGADD] = (uint16) BUILD_PIXEL (IPPU.Red [PPU.CGADD],
+ IPPU.Green [PPU.CGADD],
+ IPPU.Blue [PPU.CGADD]);
+#ifndef FOREVER_16_BIT
+ }
+#endif
+ }
+ PPU.CGADD++;
+ }
+ else
+ {
+ if (Byte != (uint8) (PPU.CGDATA[PPU.CGADD] & 0xff))
+ {
+#ifndef FOREVER_16_BIT
+ if (Settings.SixteenBit)
+#endif
+ FLUSH_REDRAW ();
+ PPU.CGDATA[PPU.CGADD] &= 0x7F00;
+ PPU.CGDATA[PPU.CGADD] |= Byte;
+ IPPU.ColorsChanged = TRUE;
+#ifndef FOREVER_16_BIT
+ if (Settings.SixteenBit)
+ {
+#endif
+ IPPU.Red [PPU.CGADD] = IPPU.XB [Byte & 0x1f];
+ IPPU.Green [PPU.CGADD] = IPPU.XB [(PPU.CGDATA[PPU.CGADD] >> 5) & 0x1f];
+ IPPU.ScreenColors [PPU.CGADD] = (uint16) BUILD_PIXEL (IPPU.Red [PPU.CGADD],
+ IPPU.Green [PPU.CGADD],
+ IPPU.Blue [PPU.CGADD]);
+#ifndef FOREVER_16_BIT
+ }
+#endif
+ }
+ }
+ PPU.CGFLIP ^= 1;
+// Memory.FillRAM [0x2122] = Byte;
+}
+
+void REGISTER_2180(uint8 Byte)
+{
+ Memory.RAM[PPU.WRAM++] = Byte;
+ PPU.WRAM &= 0x1FFFF;
+ Memory.FillRAM [0x2180] = Byte;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 02:32:16 +0000