#include "log.h"
#include "m68k.h"
//#include "memory.h"
-#include "objectp.h"
+#include "op.h"
#include "settings.h"
#define NEW_TIMER_SYSTEM
#define MEMCON2 0x02
#define HC 0x04
#define VC 0x06
+#define OLP 0x20 // Object list pointer
+#define OBF 0x26 // Object processor flag
#define VMODE 0x28
#define MODE 0x0006 // Line buffer to video generator mode
#define BGEN 0x0080 // Background enable (CRY & RGB16 only)
#define BORD1 0x2A // Border green/red values (8 BPP)
#define BORD2 0x2C // Border blue value (8 BPP)
#define HP 0x2E // Values range from 1 - 1024 (value written + 1)
-#define HBB 0x30
+#define HBB 0x30 // Horizontal blank begin
#define HBE 0x32
+#define HS 0x34 // Horizontal sync
+#define HVS 0x36 // Horizontal vertical sync
#define HDB1 0x38 // Horizontal display begin 1
#define HDB2 0x3A
#define HDE 0x3C
#define VP 0x3E // Value ranges from 1 - 2048 (value written + 1)
-#define VBB 0x40
+#define VBB 0x40 // Vertical blank begin
#define VBE 0x42
-#define VS 0x44
-#define VDB 0x46
+#define VS 0x44 // Vertical sync
+#define VDB 0x46 // Vertical display begin
#define VDE 0x48
-#define VI 0x4E
-#define BG 0x58
+#define VEB 0x4A // Vertical equalization begin
+#define VEE 0x4C // Vertical equalization end
+#define VI 0x4E // Vertical interrupt
+#define PIT0 0x50
+#define PIT1 0x52
+#define HEQ 0x54 // Horizontal equalization end
+#define BG 0x58 // Background color
#define INT1 0xE0
//NOTE: These arbitrary cutoffs are NOT taken into account for PAL jaguar screens. !!! FIX !!!
int32 tomTimerCounter;
uint16 tom_jerry_int_pending, tom_timer_int_pending, tom_object_int_pending,
tom_gpu_int_pending, tom_video_int_pending;
-uint32 * TOMBackbuffer;
+
+// These are set by the "user" of the Jaguar core lib, since these are
+// OS/system dependent.
+uint32 * screenBuffer;
+uint32 screenPitch;
static const char * videoMode_to_str[8] =
{ "16 BPP CRY", "24 BPP RGB", "16 BPP DIRECT", "16 BPP RGB",
current_line_buffer++;
uint32 b = *current_line_buffer++;
//hm. *backbuffer++ = 0xFF000000 | (b << 16) | (g << 8) | r;
- *backbuffer++ = 0x000000FF | (r << 24) | (g << 16) | (r << 8);
+ *backbuffer++ = 0x000000FF | (r << 24) | (g << 16) | (b << 8);
width--;
}
}
}
-void TOMResetBackbuffer(uint32 * backbuffer)
+/*void TOMResetBackbuffer(uint32 * backbuffer)
{
TOMBackbuffer = backbuffer;
-}
+}*/
//
// Process a single scanline
+// (this is bad terminology; each tick of the VC is actually a half-line)
//
-uint32 tomDeviceWidth;//kludge
-void TOMExecScanline(uint16 scanline, bool render)
+void TOMExecHalfline(uint16 halfline, bool render)
{
bool inActiveDisplayArea = true;
//Interlacing is still not handled correctly here... !!! FIX !!!
- if (scanline & 0x01) // Execute OP only on even lines (non-interlaced only!)
+ if (halfline & 0x01) // Execute OP only on even lines (non-interlaced only!)
return;
- if (scanline >= (uint16)GET16(tomRam8, VDB) && scanline < (uint16)GET16(tomRam8, VDE))
+//Hm, it seems that the OP needs to execute from zero, so let's try it:
+// And it works! But need to do some optimizations in the OP to keep it from attempting
+// to do a scanline render in the non-display area... [DONE]
+//this seems to cause a regression in certain games, like rayman
+//which means I have to dig thru the asic nets to see what's wrong...
+/*
+No, the OP doesn't start until VDB, that much is certain. The thing is, VDB is the
+HALF line that the OP starts on--which means that it needs to start at VDB / 2!!!
+
+Hrm, doesn't seem to be enough, though it should be... still sticks for 20 frames.
+*/
+#if 1
+// 16 isn't enough, and neither is 32 for raptgun. 32 fucks up Rayman
+// if (halfline >= ((uint16)GET16(tomRam8, VDB) / 2) && halfline < ((uint16)GET16(tomRam8, VDE) / 2))
+ if (halfline >= (uint16)GET16(tomRam8, VDB) && halfline < (uint16)GET16(tomRam8, VDE))
+// if (halfline >= ((uint16)GET16(tomRam8, VDB) - 16) && halfline < (uint16)GET16(tomRam8, VDE))
+// if (halfline >= 20 && halfline < (uint16)GET16(tomRam8, VDE))
{
if (render)
{
for(uint32 i=0; i<720; i++)
*current_line_buffer++ = bgHI, *current_line_buffer++ = bgLO;
- OPProcessList(scanline, render);
+ OPProcessList(halfline, render);
}
}
else
inActiveDisplayArea = false;
+#else
+ inActiveDisplayArea =
+ (halfline >= (uint16)GET16(tomRam8, VDB) && halfline < (uint16)GET16(tomRam8, VDE)
+ ? true : false);
+
+ if (halfline < (uint16)GET16(tomRam8, VDE))
+ {
+ if (render)//With JaguarExecuteNew() this is always true...
+ {
+ uint8 * current_line_buffer = (uint8 *)&tomRam8[0x1800];
+ uint8 bgHI = tomRam8[BG], bgLO = tomRam8[BG + 1];
- // Try to take PAL into account...
+ // Clear line buffer with BG
+ if (GET16(tomRam8, VMODE) & BGEN) // && (CRY or RGB16)...
+ for(uint32 i=0; i<720; i++)
+ *current_line_buffer++ = bgHI, *current_line_buffer++ = bgLO;
+
+// OPProcessList(halfline, render);
+//This seems to take care of it...
+ OPProcessList(halfline, inActiveDisplayArea);
+ }
+ }
+#endif
+
+ // Try to take PAL into account... [We do now!]
uint16 topVisible = (vjs.hardwareTypeNTSC ? TOP_VISIBLE_VC : TOP_VISIBLE_VC_PAL),
bottomVisible = (vjs.hardwareTypeNTSC ? BOTTOM_VISIBLE_VC : BOTTOM_VISIBLE_VC_PAL);
+ uint32 * TOMCurrentLine = &(screenBuffer[((halfline - topVisible) / 2) * screenPitch]);
// Here's our virtualized scanline code...
- if (scanline >= topVisible && scanline < bottomVisible)
+ if (halfline >= topVisible && halfline < bottomVisible)
{
if (inActiveDisplayArea)
{
//NOTE: The following doesn't put BORDER color on the sides... !!! FIX !!!
#warning "The following doesn't put BORDER color on the sides... !!! FIX !!!"
if (vjs.renderType == RT_NORMAL)
- scanline_render[TOMGetVideoMode()](TOMBackbuffer);
+// scanline_render[TOMGetVideoMode()](TOMBackbuffer);
+ scanline_render[TOMGetVideoMode()](TOMCurrentLine);
else//TV type render
{
/*
else
{
// If outside of VDB & VDE, then display the border color
- uint32 * currentLineBuffer = TOMBackbuffer;
+ uint32 * currentLineBuffer = TOMCurrentLine;
uint8 g = tomRam8[BORD1], r = tomRam8[BORD1 + 1], b = tomRam8[BORD2 + 1];
//Hm. uint32 pixel = 0xFF000000 | (b << 16) | (g << 8) | r;
uint32 pixel = 0x000000FF | (r << 24) | (g << 16) | (b << 8);
for(uint32 i=0; i<tomWidth; i++)
*currentLineBuffer++ = pixel;
}
-
-#warning "!!! Need to move this to an interface file !!! FIX !!!"
-// TOMBackbuffer += GetSDLScreenWidthInPixels();
- TOMBackbuffer += tomDeviceWidth;
}
}
// offset &= 0xFF3FFF;
#ifdef TOM_DEBUG
- WriteLog("TOM: Reading byte at %06X\n", offset);
+ WriteLog("TOM: Reading byte at %06X for %s\n", offset, whoName[who]);
#endif
if ((offset >= GPU_CONTROL_RAM_BASE) && (offset < GPU_CONTROL_RAM_BASE+0x20))
//???Is this needed???
// offset &= 0xFF3FFF;
#ifdef TOM_DEBUG
- WriteLog("TOM: Reading word at %06X\n", offset);
+ WriteLog("TOM: Reading word at %06X for %s\n", offset, whoName[who]);
#endif
if (offset >= 0xF02000 && offset <= 0xF020FF)
WriteLog("TOM: Read attempted from GPU register file by %s (unimplemented)!\n", whoName[who]);
if (offset == 0xF000E0)
{
+ // For reading, should only return the lower 5 bits...
uint16 data = (tom_jerry_int_pending << 4) | (tom_timer_int_pending << 3)
| (tom_object_int_pending << 2) | (tom_gpu_int_pending << 1)
| (tom_video_int_pending << 0);
return (TOMReadByte(offset, who) << 8) | TOMReadByte(offset + 1, who);
}
+#define TOM_STRICT_MEMORY_ACCESS
//
// TOM byte access (write)
//
void TOMWriteByte(uint32 offset, uint8 data, uint32 who/*=UNKNOWN*/)
{
+#ifdef TOM_DEBUG
+ WriteLog("TOM: Writing byte %02X at %06X", data, offset);
+#endif
//???Is this needed???
// Perhaps on the writes--32-bit writes that is! And masked with FF7FFF...
+#ifndef TOM_STRICT_MEMORY_ACCESS
offset &= 0xFF3FFF;
-
+#else
+ // "Fast" (32-bit only) write access to the GPU
+// if ((offset >= 0xF0A100) && (offset <= 0xF0BFFF))
+ if ((offset >= 0xF08000) && (offset <= 0xF0BFFF))
+ offset &= 0xFF7FFF;
+#endif
#ifdef TOM_DEBUG
- WriteLog("TOM: Writing byte %02X at %06X\n", data, offset);
+ WriteLog(" -->[%06X] by %s\n", offset, whoName[who]);
+#endif
+
+#ifdef TOM_STRICT_MEMORY_ACCESS
+ // Sanity check ("Aww, there ain't no Sanity Clause...")
+ if ((offset < 0xF00000) || (offset > 0xF03FFF))
+ return;
#endif
if ((offset >= GPU_CONTROL_RAM_BASE) && (offset < GPU_CONTROL_RAM_BASE+0x20))
//
void TOMWriteWord(uint32 offset, uint16 data, uint32 who/*=UNKNOWN*/)
{
-//???Is this needed???
+#ifdef TOM_DEBUG
+ WriteLog("TOM: Writing byte %04X at %06X", data, offset);
+#endif
+//???Is this needed??? Yes, but we need to be more vigilant than this.
+#ifndef TOM_STRICT_MEMORY_ACCESS
offset &= 0xFF3FFF;
-
+#else
+ // "Fast" (32-bit only) write access to the GPU
+// if ((offset >= 0xF0A100) && (offset <= 0xF0BFFF))
+ if ((offset >= 0xF08000) && (offset <= 0xF0BFFF))
+ offset &= 0xFF7FFF;
+#endif
#ifdef TOM_DEBUG
- WriteLog("TOM: Writing word %04X at %06X\n", data, offset);
+ WriteLog(" -->[%06X] by %s\n", offset, whoName[who]);
#endif
-if (offset == 0xF00000 + MEMCON1)
- WriteLog("TOM: Memory Configuration 1 written by %s: %04X\n", whoName[who], data);
-if (offset == 0xF00000 + MEMCON2)
- WriteLog("TOM: Memory Configuration 2 written by %s: %04X\n", whoName[who], data);
+
+#ifdef TOM_STRICT_MEMORY_ACCESS
+ // Sanity check
+ if ((offset < 0xF00000) || (offset > 0xF03FFF))
+ return;
+#endif
+
+//if (offset == 0xF00000 + MEMCON1)
+// WriteLog("TOM: Memory Configuration 1 written by %s: %04X\n", whoName[who], data);
+//if (offset == 0xF00000 + MEMCON2)
+// WriteLog("TOM: Memory Configuration 2 written by %s: %04X\n", whoName[who], data);
if (offset >= 0xF02000 && offset <= 0xF020FF)
WriteLog("TOM: Write attempted to GPU register file by %s (unimplemented)!\n", whoName[who]);
tom_timer_int_pending = 0;
if (data & 0x1000)
tom_jerry_int_pending = 0;
+
+// return;
}
else if ((offset >= 0xF02200) && (offset <= 0xF0229F))
{
// Writing to one CLUT writes to the other
offset &= 0x5FF; // Mask out $F00600 (restrict to $F00400-5FF)
// Watch out for unaligned writes here! (Not fixed yet)
+#warning "!!! Watch out for unaligned writes here !!! FIX !!!"
SET16(tomRam8, offset, data);
SET16(tomRam8, offset + 0x200, data);
}
if (offset == 0x2E || offset == 0x36 || offset == 0x54)
data &= 0x03FF; // These are all 10-bit registers
- TOMWriteByte(offset, data >> 8, who);
- TOMWriteByte(offset+1, data & 0xFF, who);
-
-if (offset == VDB)
- WriteLog("TOM: Vertical Display Begin written by %s: %u\n", whoName[who], data);
-if (offset == VDE)
- WriteLog("TOM: Vertical Display End written by %s: %u\n", whoName[who], data);
-if (offset == VP)
- WriteLog("TOM: Vertical Period written by %s: %u (%sinterlaced)\n", whoName[who], data, (data & 0x01 ? "non-" : ""));
+// Fix a lockup bug... :-P
+ TOMWriteByte(0xF00000 | offset, data >> 8, who);
+ TOMWriteByte(0xF00000 | (offset+1), data & 0xFF, who);
+
+if (offset == MEMCON1)
+ WriteLog("TOM: Memory Config 1 written by %s: $%04X\n", whoName[who], data);
+if (offset == MEMCON2)
+ WriteLog("TOM: Memory Config 2 written by %s: $%04X\n", whoName[who], data);
+//if (offset == OLP)
+// WriteLog("TOM: Object List Pointer written by %s: $%04X\n", whoName[who], data);
+//if (offset == OLP + 2)
+// WriteLog("TOM: Object List Pointer +2 written by %s: $%04X\n", whoName[who], data);
+//if (offset == OBF)
+// WriteLog("TOM: Object Processor Flag written by %s: %u\n", whoName[who], data);
+if (offset == VMODE)
+ WriteLog("TOM: Video Mode written by %s: %04X. PWIDTH = %u, MODE = %s, flags:%s%s (VC = %u)\n", whoName[who], data, ((data >> 9) & 0x07) + 1, videoMode_to_str[(data & MODE) >> 1], (data & BGEN ? " BGEN" : ""), (data & VARMOD ? " VARMOD" : ""), GET16(tomRam8, VC));
+if (offset == BORD1)
+ WriteLog("TOM: Border 1 written by %s: $%04X\n", whoName[who], data);
+if (offset == BORD2)
+ WriteLog("TOM: Border 2 written by %s: $%04X\n", whoName[who], data);
+if (offset == HP)
+ WriteLog("TOM: Horizontal Period written by %s: %u (+1*2 = %u)\n", whoName[who], data, (data + 1) * 2);
+if (offset == HBB)
+ WriteLog("TOM: Horizontal Blank Begin written by %s: %u\n", whoName[who], data);
+if (offset == HBE)
+ WriteLog("TOM: Horizontal Blank End written by %s: %u\n", whoName[who], data);
+if (offset == HS)
+ WriteLog("TOM: Horizontal Sync written by %s: %u\n", whoName[who], data);
+if (offset == HVS)
+ WriteLog("TOM: Horizontal Vertical Sync written by %s: %u\n", whoName[who], data);
if (offset == HDB1)
WriteLog("TOM: Horizontal Display Begin 1 written by %s: %u\n", whoName[who], data);
+if (offset == HDB2)
+ WriteLog("TOM: Horizontal Display Begin 2 written by %s: %u\n", whoName[who], data);
if (offset == HDE)
WriteLog("TOM: Horizontal Display End written by %s: %u\n", whoName[who], data);
-if (offset == HP)
- WriteLog("TOM: Horizontal Period written by %s: %u (+1*2 = %u)\n", whoName[who], data, (data + 1) * 2);
+if (offset == VP)
+ WriteLog("TOM: Vertical Period written by %s: %u (%sinterlaced)\n", whoName[who], data, (data & 0x01 ? "non-" : ""));
if (offset == VBB)
WriteLog("TOM: Vertical Blank Begin written by %s: %u\n", whoName[who], data);
if (offset == VBE)
WriteLog("TOM: Vertical Blank End written by %s: %u\n", whoName[who], data);
if (offset == VS)
WriteLog("TOM: Vertical Sync written by %s: %u\n", whoName[who], data);
+if (offset == VDB)
+ WriteLog("TOM: Vertical Display Begin written by %s: %u\n", whoName[who], data);
+if (offset == VDE)
+ WriteLog("TOM: Vertical Display End written by %s: %u\n", whoName[who], data);
+if (offset == VEB)
+ WriteLog("TOM: Vertical Equalization Begin written by %s: %u\n", whoName[who], data);
+if (offset == VEE)
+ WriteLog("TOM: Vertical Equalization End written by %s: %u\n", whoName[who], data);
if (offset == VI)
WriteLog("TOM: Vertical Interrupt written by %s: %u\n", whoName[who], data);
-if (offset == HBB)
- WriteLog("TOM: Horizontal Blank Begin written by %s: %u\n", whoName[who], data);
-if (offset == HBE)
- WriteLog("TOM: Horizontal Blank End written by %s: %u\n", whoName[who], data);
-if (offset == VMODE)
- WriteLog("TOM: Video Mode written by %s: %04X. PWIDTH = %u, MODE = %s, flags:%s%s (VC = %u)\n", whoName[who], data, ((data >> 9) & 0x07) + 1, videoMode_to_str[(data & MODE) >> 1], (data & BGEN ? " BGEN" : ""), (data & VARMOD ? " VARMOD" : ""), GET16(tomRam8, VC));
+if (offset == PIT0)
+ WriteLog("TOM: PIT0 written by %s: %u\n", whoName[who], data);
+if (offset == PIT1)
+ WriteLog("TOM: PIT1 written by %s: %u\n", whoName[who], data);
+if (offset == HEQ)
+ WriteLog("TOM: Horizontal Equalization End written by %s: %u\n", whoName[who], data);
+//if (offset == BG)
+// WriteLog("TOM: Background written by %s: %u\n", whoName[who], data);
+//if (offset == INT1)
+// WriteLog("TOM: CPU Interrupt Control written by %s: $%04X (%s%s%s%s%s)\n", whoName[who], data, (data & 0x01 ? "Video" : ""), (data & 0x02 ? " GPU" : ""), (data & 0x04 ? " OP" : ""), (data & 0x08 ? " TOMPIT" : ""), (data & 0x10 ? " Jerry" : ""));
// detect screen resolution changes
//This may go away in the future, if we do the virtualized screen thing...
//This may go away soon!
+// TOM Shouldn't be mucking around with this, it's up to the host system to properly
+// handle this kind of crap.
+// NOTE: This is needed somehow, need to get rid of the dependency on this crap.
+#warning "!!! Need to get rid of this dependency !!!"
+#if 1
if ((offset >= 0x28) && (offset <= 0x4F))
{
uint32 width = TOMGetVideoModeWidth(), height = TOMGetVideoModeHeight();
// ResizeScreen(tomWidth, tomHeight);
}
}
+#endif
}
int TOMIRQEnabled(int irq)
GPUSetIRQLine(GPUIRQ_TIMER, ASSERT_LINE); // GPUSetIRQLine does the 'IRQ enabled' checking
if (TOMIRQEnabled(IRQ_TIMER))
- m68k_set_irq(7); // Cause a 68000 NMI...
+ m68k_set_irq(2); // Cause a 68000 IPL 2...
TOMResetPIT();
}
// if (INT1_WREG & 0x08)
if (TOMIRQEnabled(IRQ_TIMER))
- m68k_set_irq(7); // Generate 68K NMI
+ m68k_set_irq(2); // Generate a 68K IPL 2...
TOMResetPIT();
}
projects / virtualjaguar / blobdiff