//
// Original source by David Raingeard (Cal2)
// GCC/SDL port by Niels Wagenaar (Linux/WIN32) and Caz (BeOS)
-// Extensive cleanups/fixes/rewrites by James L. Hammons
+// Extensive cleanups/fixes/rewrites by James Hammons
// (C) 2010 Underground Software
//
-// JLH = James L. Hammons <jlhamm@acm.org>
+// JLH = James Hammons <jlhamm@acm.org>
//
// Who When What
// --- ---------- -------------------------------------------------------------
#include "gpu.h"
#include "jaguar.h"
#include "log.h"
-#include "m68k.h"
+#include "m68000/m68kinterface.h"
#include "memory.h"
#include "tom.h"
#define OBJECT_TYPE_BRANCH 3 // 011
#define OBJECT_TYPE_STOP 4 // 100
-#define CONDITION_EQUAL 0
-#define CONDITION_LESS_THAN 1
-#define CONDITION_GREATER_THAN 2
+#define CONDITION_EQUAL 0 // VC == YPOS
+#define CONDITION_LESS_THAN 1 // VC < YPOS
+#define CONDITION_GREATER_THAN 2 // VC > YPOS
#define CONDITION_OP_FLAG_SET 3
#define CONDITION_SECOND_HALF_LINE 4
void OPProcessFixedBitmap(uint64 p0, uint64 p1, bool render);
void OPProcessScaledBitmap(uint64 p0, uint64 p1, uint64 p2, bool render);
+void OPDiscoverObjects(uint32 address);
+void OPDumpObjectList(void);
void DumpScaledObject(uint64 p0, uint64 p1, uint64 p2);
void DumpFixedObject(uint64 p0, uint64 p1);
+void DumpBitmapCore(uint64 p0, uint64 p1);
uint64 OPLoadPhrase(uint32 offset);
// Local global variables
objectp_running = 0;
}
+static const char * opType[8] =
+{ "(BITMAP)", "(SCALED BITMAP)", "(GPU INT)", "(BRANCH)", "(STOP)", "???", "???", "???" };
+static const char * ccType[8] =
+ { "\"==\"", "\"<\"", "\">\"", "(opflag set)", "(second half line)", "?", "?", "?" };
+static uint32 object[8192];
+static uint32 numberOfObjects;
+//static uint32 objectLink[8192];
+//static uint32 numberOfLinks;
+
void OPDone(void)
{
- const char * opType[8] =
- { "(BITMAP)", "(SCALED BITMAP)", "(GPU INT)", "(BRANCH)", "(STOP)", "???", "???", "???" };
- const char * ccType[8] =
- { "\"==\"", "\"<\"", "\">\"", "(opflag set)", "(second half line)", "?", "?", "?" };
+//#warning "!!! Fix OL dump so that it follows links !!!"
+// const char * opType[8] =
+// { "(BITMAP)", "(SCALED BITMAP)", "(GPU INT)", "(BRANCH)", "(STOP)", "???", "???", "???" };
+// const char * ccType[8] =
+// { "\"==\"", "\"<\"", "\">\"", "(opflag set)", "(second half line)", "?", "?", "?" };
uint32 olp = OPGetListPointer();
- WriteLog("OP: OLP = %08X\n", olp);
+ WriteLog("\nOP: OLP = $%08X\n", olp);
WriteLog("OP: Phrase dump\n ----------\n");
+
+#if 0
for(uint32 i=0; i<0x100; i+=8)
{
uint32 hi = JaguarReadLong(olp + i, OP), lo = JaguarReadLong(olp + i + 4, OP);
WriteLog("\t%08X: %08X %08X %s", olp + i, hi, lo, opType[lo & 0x07]);
+
if ((lo & 0x07) == 3)
{
uint16 ypos = (lo >> 3) & 0x7FF;
uint32 link = ((hi << 11) | (lo >> 21)) & 0x3FFFF8;
WriteLog(" YPOS=%u, CC=%s, link=%08X", ypos, ccType[cc], link);
}
+
WriteLog("\n");
+
if ((lo & 0x07) == 0)
DumpFixedObject(OPLoadPhrase(olp+i), OPLoadPhrase(olp+i+8));
+
if ((lo & 0x07) == 1)
DumpScaledObject(OPLoadPhrase(olp+i), OPLoadPhrase(olp+i+8), OPLoadPhrase(olp+i+16));
}
+
WriteLog("\n");
+#else
+#warning "!!! Fix lockup in OPDiscoverObjects() !!!"
+//temp, to keep the following function from locking up on bad/weird OLs
+return;
+
+ numberOfObjects = 0;
+ OPDiscoverObjects(olp);
+ OPDumpObjectList();
+#endif
+}
+
+void OPDiscoverObjects(uint32 address)
+{
+ // Check to see if we've already seen this object
+ for(uint32 i=0; i<numberOfObjects; i++)
+ {
+ if (address == object[i])
+ return;
+ }
+
+ // Store the object...
+ object[numberOfObjects++] = address;
+ uint8 objectType = 0;
+
+ do
+ {
+ uint32 hi = JaguarReadLong(address + 0, OP);
+ uint32 lo = JaguarReadLong(address + 4, OP);
+ objectType = lo & 0x07;
+ uint32 link = ((hi << 11) | (lo >> 21)) & 0x3FFFF8;
+
+ if (objectType == 3)
+ {
+ uint16 ypos = (lo >> 3) & 0x7FF;
+ uint8 cc = (lo >> 14) & 0x07; // Proper # of bits == 3
+
+ // Recursion needed to follow all links!
+ OPDiscoverObjects(address + 8);
+ }
+
+ if (address == link) // Ruh roh...
+ {
+ // Runaway recursive link is bad!
+ return;
+ }
+
+ address = link;
+
+ // Check to see if we've already seen this object, and add it if not
+ bool seenObject = false;
+
+ for(uint32 i=0; i<numberOfObjects; i++)
+ {
+ if (address == object[i])
+ {
+ seenObject = true;
+ break;
+ }
+ }
+
+ if (!seenObject)
+ object[numberOfObjects++] = address;
+ }
+ while (objectType != 4);
+}
+
+void OPDumpObjectList(void)
+{
+ for(uint32 i=0; i<numberOfObjects; i++)
+ {
+ uint32 address = object[i];
+
+ uint32 hi = JaguarReadLong(address + 0, OP);
+ uint32 lo = JaguarReadLong(address + 4, OP);
+ uint8 objectType = lo & 0x07;
+ uint32 link = ((hi << 11) | (lo >> 21)) & 0x3FFFF8;
+ WriteLog("%08X: %08X %08X %s", address, hi, lo, opType[objectType]);
+
+ if (objectType == 3)
+ {
+ uint16 ypos = (lo >> 3) & 0x7FF;
+ uint8 cc = (lo >> 14) & 0x07; // Proper # of bits == 3
+ WriteLog(" YPOS=%u, CC=%s, link=$%08X", ypos, ccType[cc], link);
+ }
-// memory_free(op_blend_y);
-// memory_free(op_blend_cr);
+ WriteLog("\n");
+
+ if (objectType == 0)
+ DumpFixedObject(OPLoadPhrase(address + 0), OPLoadPhrase(address + 8));
+
+ if (objectType == 1)
+ DumpScaledObject(OPLoadPhrase(address + 0), OPLoadPhrase(address + 8),
+ OPLoadPhrase(address + 16));
+
+ if (address == link) // Ruh roh...
+ {
+ // Runaway recursive link is bad!
+ WriteLog("***** SELF REFERENTIAL LINK *****\n\n");
+ }
+ }
+
+ WriteLog("\n");
}
//
//
void DumpScaledObject(uint64 p0, uint64 p1, uint64 p2)
{
- WriteLog(" (SCALED BITMAP)");
- WriteLog(" %08X --> phrase %08X %08X\n", op_pointer, (uint32)(p1>>32), (uint32)(p1&0xFFFFFFFF));
- WriteLog(" %08X --> phrase %08X %08X ", op_pointer+8, (uint32)(p2>>32), (uint32)(p2&0xFFFFFFFF));
- uint8 bitdepth = (p1 >> 12) & 0x07;
-//WAS: int16 ypos = ((p0 >> 3) & 0x3FF); // ??? What if not interlaced (/2)?
- int16 ypos = ((p0 >> 3) & 0x7FF); // ??? What if not interlaced (/2)?
- int32 xpos = p1 & 0xFFF;
- xpos = (xpos & 0x800 ? xpos | 0xFFFFF000 : xpos);
- uint32 iwidth = ((p1 >> 28) & 0x3FF);
- uint32 dwidth = ((p1 >> 18) & 0x3FF); // Unsigned!
- uint16 height = ((p0 >> 14) & 0x3FF);
- uint32 link = ((p0 >> 24) & 0x7FFFF) << 3;
- uint32 ptr = ((p0 >> 43) & 0x1FFFFF) << 3;
- uint32 firstPix = (p1 >> 49) & 0x3F;
- uint8 flags = (p1 >> 45) & 0x0F;
- uint8 idx = (p1 >> 38) & 0x7F;
- uint32 pitch = (p1 >> 15) & 0x07;
- WriteLog("\n [%u (%u) x %u @ (%i, %u) (%u bpp), l: %08X, p: %08X fp: %02X, fl:%s%s%s%s, idx:%02X, pt:%02X]\n",
- iwidth, dwidth, height, xpos, ypos, op_bitmap_bit_depth[bitdepth], link, ptr, firstPix, (flags&OPFLAG_REFLECT ? "REFLECT " : ""), (flags&OPFLAG_RMW ? "RMW " : ""), (flags&OPFLAG_TRANS ? "TRANS " : ""), (flags&OPFLAG_RELEASE ? "RELEASE" : ""), idx, pitch);
+ WriteLog(" %08X %08X\n", (uint32)(p1>>32), (uint32)(p1&0xFFFFFFFF));
+ WriteLog(" %08X %08X\n", (uint32)(p2>>32), (uint32)(p2&0xFFFFFFFF));
+ DumpBitmapCore(p0, p1);
uint32 hscale = p2 & 0xFF;
uint32 vscale = (p2 >> 8) & 0xFF;
uint32 remainder = (p2 >> 16) & 0xFF;
void DumpFixedObject(uint64 p0, uint64 p1)
{
- WriteLog(" (BITMAP)");
- WriteLog(" %08X --> phrase %08X %08X\n", op_pointer, (uint32)(p1>>32), (uint32)(p1&0xFFFFFFFF));
+ WriteLog(" %08X %08X\n", (uint32)(p1>>32), (uint32)(p1&0xFFFFFFFF));
+ DumpBitmapCore(p0, p1);
+}
+
+void DumpBitmapCore(uint64 p0, uint64 p1)
+{
+ uint32 bdMultiplier[8] = { 64, 32, 16, 8, 4, 2, 1, 1 };
uint8 bitdepth = (p1 >> 12) & 0x07;
//WAS: int16 ypos = ((p0 >> 3) & 0x3FF); // ??? What if not interlaced (/2)?
int16 ypos = ((p0 >> 3) & 0x7FF); // ??? What if not interlaced (/2)?
int32 xpos = p1 & 0xFFF;
- xpos = (xpos & 0x800 ? xpos | 0xFFFFF000 : xpos);
+ xpos = (xpos & 0x800 ? xpos | 0xFFFFF000 : xpos); // Sign extend that mutha!
uint32 iwidth = ((p1 >> 28) & 0x3FF);
uint32 dwidth = ((p1 >> 18) & 0x3FF); // Unsigned!
uint16 height = ((p0 >> 14) & 0x3FF);
uint8 flags = (p1 >> 45) & 0x0F;
uint8 idx = (p1 >> 38) & 0x7F;
uint32 pitch = (p1 >> 15) & 0x07;
- WriteLog(" [%u (%u) x %u @ (%i, %u) (%u bpp), l: %08X, p: %08X fp: %02X, fl:%s%s%s%s, idx:%02X, pt:%02X]\n",
- iwidth, dwidth, height, xpos, ypos, op_bitmap_bit_depth[bitdepth], link, ptr, firstPix, (flags&OPFLAG_REFLECT ? "REFLECT " : ""), (flags&OPFLAG_RMW ? "RMW " : ""), (flags&OPFLAG_TRANS ? "TRANS " : ""), (flags&OPFLAG_RELEASE ? "RELEASE" : ""), idx, pitch);
+ WriteLog(" [%u x %u @ (%i, %u) (iw:%u, dw:%u) (%u bpp), l:%08X, p:%08X fp:%02X, fl:%s%s%s%s, idx:%02X, pt:%02X]\n",
+ iwidth * bdMultiplier[bitdepth],
+ height, xpos, ypos, iwidth, dwidth, op_bitmap_bit_depth[bitdepth], link,
+ ptr, firstPix, (flags&OPFLAG_REFLECT ? "REFLECT " : ""),
+ (flags&OPFLAG_RMW ? "RMW " : ""), (flags&OPFLAG_TRANS ? "TRANS " : ""),
+ (flags&OPFLAG_RELEASE ? "RELEASE" : ""), idx, pitch);
}
//
// Object Processor main routine
//
-//Need to fix this so that when an GPU object IRQ happens, we can pick up OP processing
-//where we left off. !!! FIX !!!
#warning "Need to fix this so that when an GPU object IRQ happens, we can pick up OP processing where we left off. !!! FIX !!!"
-void OPProcessList(int scanline, bool render)
+void OPProcessList(int halfline, bool render)
{
+#warning "!!! NEED TO HANDLE MULTIPLE FIELDS PROPERLY !!!
+// We ignore them, for now; not good
+ halfline &= 0x7FF;
+
extern int op_start_log;
// char * condition_to_str[8] =
// { "==", "<", ">", "(opflag set)", "(second half line)", "?", "?", "?" };
// objectp_stop_reading_list = false;
-//WriteLog("OP: Processing line #%u (OLP=%08X)...\n", scanline, op_pointer);
+//WriteLog("OP: Processing line #%u (OLP=%08X)...\n", halfline, op_pointer);
//op_done();
// *** BEGIN OP PROCESSOR TESTING ONLY ***
int bitmapCounter = 0;
// *** END OP PROCESSOR TESTING ONLY ***
- uint32 opCyclesToRun = 10000; // This is a pulled-out-of-the-air value (will need to be fixed, obviously!)
+ uint32 opCyclesToRun = 30000; // This is a pulled-out-of-the-air value (will need to be fixed, obviously!)
-// if (op_pointer) WriteLog(" new op list at 0x%.8x scanline %i\n",op_pointer,scanline);
+// if (op_pointer) WriteLog(" new op list at 0x%.8x halfline %i\n",op_pointer,halfline);
while (op_pointer)
{
// *** BEGIN OP PROCESSOR TESTING ONLY ***
// return;
uint64 p0 = OPLoadPhrase(op_pointer);
-//WriteLog("\t%08X type %i\n", op_pointer, (uint8)p0 & 0x07);
op_pointer += 8;
+//WriteLog("\t%08X type %i\n", op_pointer, (uint8)p0 & 0x07);
#if 1
-if (scanline == TOMGetVDB() && op_start_log)
-//if (scanline == 215 && op_start_log)
-//if (scanline == 28 && op_start_log)
-//if (scanline == 0)
+if (halfline == TOMGetVDB() && op_start_log)
+//if (halfline == 215 && op_start_log)
+//if (halfline == 28 && op_start_log)
+//if (halfline == 0)
{
WriteLog("%08X --> phrase %08X %08X", op_pointer - 8, (int)(p0>>32), (int)(p0&0xFFFFFFFF));
if ((p0 & 0x07) == OBJECT_TYPE_BITMAP)
ypos = TOMReadWord(0xF00046, OP) / 2; // Get the VDB value
#endif
// Actually, no. Any item less than VDB will get only the lines that hang over VDB displayed.
-// So we need to fix this somehow... (and it has... in tom.cpp :-P)
+// Actually, this is incorrect. It seems that VDB value is wrong somewhere and that's
+// what's causing things to fuck up. Still no idea why.
uint32 height = (p0 & 0xFFC000) >> 14;
uint32 oldOPP = op_pointer - 8;
bitmapCounter++;
if (!inhibit) // For OP testing only!
// *** END OP PROCESSOR TESTING ONLY ***
- if (scanline >= ypos && height > 0)
+ if (halfline >= ypos && height > 0)
{
uint64 p1 = OPLoadPhrase(op_pointer);
op_pointer += 8;
-//WriteLog("OP: Writing scanline %d with ypos == %d...\n", scanline, ypos);
+//WriteLog("OP: Writing halfline %d with ypos == %d...\n", halfline, ypos);
//WriteLog("--> Writing %u BPP bitmap...\n", op_bitmap_bit_depth[(p1 >> 12) & 0x07]);
-// OPProcessFixedBitmap(scanline, p0, p1, render);
+// OPProcessFixedBitmap(halfline, p0, p1, render);
OPProcessFixedBitmap(p0, p1, render);
// OP write-backs
/* if (op_pointer > ((p0 & 0x000007FFFF000000LL) >> 21))
return;*/
- op_pointer = (p0 & 0x000007FFFF000000LL) >> 21;
+// NOTE: The link address only replaces bits 3-21 in the OLP, and this replaces
+// EVERYTHING. !!! FIX !!! [DONE]
+#warning "!!! Link address is not linked properly for all object types !!!"
+#warning "!!! Only BITMAP is properly handled !!!"
+ op_pointer &= 0xFFC00007;
+ op_pointer |= (p0 & 0x000007FFFF000000LL) >> 21;
//WriteLog("New OP: %08X\n", op_pointer);
+//kludge: Seems that memory access is mirrored in the first 8MB of memory...
+if (op_pointer > 0x1FFFFF && op_pointer < 0x800000)
+ op_pointer &= 0xFF1FFFFF; // Knock out bits 21-23
+
break;
}
case OBJECT_TYPE_SCALE:
// *** BEGIN OP PROCESSOR TESTING ONLY ***
if (inhibit && op_start_log)
{
- WriteLog("!!! ^^^ This object is INHIBITED! ^^^ !!! (scanline=%u, ypos=%u, height=%u)\n", scanline, ypos, height);
+ WriteLog("!!! ^^^ This object is INHIBITED! ^^^ !!! (halfline=%u, ypos=%u, height=%u)\n", halfline, ypos, height);
DumpScaledObject(p0, OPLoadPhrase(op_pointer), OPLoadPhrase(op_pointer+8));
}
bitmapCounter++;
if (!inhibit) // For OP testing only!
// *** END OP PROCESSOR TESTING ONLY ***
- if (scanline >= ypos && height > 0)
+ if (halfline >= ypos && height > 0)
{
uint64 p1 = OPLoadPhrase(op_pointer);
op_pointer += 8;
uint64 p2 = OPLoadPhrase(op_pointer);
op_pointer += 8;
-//WriteLog("OP: %08X (%d) %08X%08X %08X%08X %08X%08X\n", oldOPP, scanline, (uint32)(p0>>32), (uint32)(p0&0xFFFFFFFF), (uint32)(p1>>32), (uint32)(p1&0xFFFFFFFF), (uint32)(p2>>32), (uint32)(p2&0xFFFFFFFF));
+//WriteLog("OP: %08X (%d) %08X%08X %08X%08X %08X%08X\n", oldOPP, halfline, (uint32)(p0>>32), (uint32)(p0&0xFFFFFFFF), (uint32)(p1>>32), (uint32)(p1&0xFFFFFFFF), (uint32)(p2>>32), (uint32)(p2&0xFFFFFFFF));
OPProcessScaledBitmap(p0, p1, p2, render);
// OP write-backs
//Here's another problem:
// [hsc: 20, vsc: 20, rem: 00]
// Since we're not checking for $E0 (but that's what we get from the above), we end
-// up repeating this scanline unnecessarily... !!! FIX !!! [DONE, but... still not quite
+// up repeating this halfline unnecessarily... !!! FIX !!! [DONE, but... still not quite
// right. Either that, or the Accolade team that wrote Bubsy screwed up royal.]
//Also note: $E0 = 7.0 which IS a legal vscale value...
//Do something like:
//OPSuspendedByGPU = true;
//Dunno if the OP keeps processing from where it was interrupted, or if it just continues
-//on the next scanline...
+//on the next halfline...
// --> It continues from where it was interrupted! !!! FIX !!!
break;
}
case OBJECT_TYPE_BRANCH:
{
uint16 ypos = (p0 >> 3) & 0x7FF;
+// NOTE: The JTRM sez there are only 2 bits used for the CC, but lists *five*
+// conditions! Need at least one more bit for that! :-P
+// Also, the ASIC nets imply that it uses bits 14-16 (height in BM & SBM objects)
+#warning "!!! Possibly bad CC handling in OP (missing 1 bit) !!!"
uint8 cc = (p0 >> 14) & 0x03;
uint32 link = (p0 >> 21) & 0x3FFFF8;
// if ((ypos!=507)&&(ypos!=25))
-// WriteLog("\t%i%s%i link=0x%.8x\n",scanline,condition_to_str[cc],ypos>>1,link);
+// WriteLog("\t%i%s%i link=0x%.8x\n",halfline,condition_to_str[cc],ypos>>1,link);
switch (cc)
{
case CONDITION_EQUAL:
exit(0);
break;
default:
+ // Basically, if you do this, the OP does nothing. :-)
WriteLog("OP: Unimplemented branch condition %i\n", cc);
}
break;
// break;
}
default:
- WriteLog("op: unknown object type %i\n", ((uint8)p0 & 0x07));
+// WriteLog("op: unknown object type %i\n", ((uint8)p0 & 0x07));
return;
}
// and bail out/reenter to properly simulate an overloaded OP... !!! FIX !!!
#warning "Better would be to count how many actual cycles it used and bail out/reenter to properly simulate an overloaded OP... !!! FIX !!!"
opCyclesToRun--;
+
if (!opCyclesToRun)
return;
}
// Is it OK to have a 0 for the data width??? (i.e., undocumented?)
// Seems to be... Seems that dwidth *can* be zero (i.e., reuse same line) as well.
// Pitch == 0 is OK too...
+
+//kludge: Seems that the OP treats iwidth == 0 as iwidth == 1... Need to investigate
+// on real hardware...
+#warning "!!! Need to investigate iwidth == 0 behavior on real hardware !!!"
+if (iwidth == 0)
+ iwidth = 1;
+
// if (!render || op_pointer == 0 || ptr == 0 || pitch == 0)
//I'm not convinced that we need to concern ourselves with data & op_pointer here either!
if (!render || iwidth == 0)
return;
+//OK, so we know the position in the line buffer is correct. It's the clipping in
+//24bpp mode that's wrong!
+#if 0
+//This is a total kludge, based upon the fact that 24BPP mode puts *4* bytes
+//into the line buffer for each pixel.
+if (depth == 5) // i.e., 24bpp mode...
+ xpos >>= 1; // Cut it in half...
+#endif
+
//#define OP_DEBUG_BMP
//#ifdef OP_DEBUG_BMP
// WriteLog("bitmap %ix%i %ibpp at %i,%i firstpix=%i data=0x%.8x pitch %i hflipped=%s dwidth=%i (linked to 0x%.8x) Transluency=%s\n",
// Not sure if this is Jaguar Two only location or what...
// From the docs, it is... If we want to limit here we should think of something else.
// int32 limit = GET16(tom_ram_8, 0x0008); // LIMIT
+// int32 limit = 720;
+// int32 lbufWidth = (!in24BPPMode ? limit - 1 : (limit / 2) - 1); // Zero based limit...
+//printf("[OP:xpos=%i,spos=%i,epos=%i>", xpos, startPos, endPos);
+ // This is correct, the OP line buffer is a constant size...
int32 limit = 720;
- int32 lbufWidth = (!in24BPPMode ? limit - 1 : (limit / 2) - 1); // Zero based limit...
+ int32 lbufWidth = 719;
// If the image is completely to the left or right of the line buffer, then bail.
//If in REFLECT mode, then these values are swapped! !!! FIX !!! [DONE]
clippedWidth = startPos - lbufWidth,
dataClippedWidth = phraseClippedWidth = clippedWidth / phraseWidthToPixels[depth],
startPos = lbufWidth + (clippedWidth % phraseWidthToPixels[depth]);
+//printf("<OP:spos=%i,epos=%i]", startPos, endPos);
// If the image is sitting on the line buffer left or right edge, we need to compensate
// by decreasing the image phrase width accordingly.
// uint32 lbufAddress = 0x1800 + (!in24BPPMode ? leftMargin * 2 : leftMargin * 4);
//Why does this work right when multiplying startPos by 2 (instead of 4) for 24 BPP mode?
//Is this a bug in the OP?
- uint32 lbufAddress = 0x1800 + (!in24BPPMode ? startPos * 2 : startPos * 2);
+//It's because in 24bpp mode, each pixel takes *4* bytes, instead of the usual 2.
+//Though it looks like we're doing it here no matter what...
+// uint32 lbufAddress = 0x1800 + (!in24BPPMode ? startPos * 2 : startPos * 2);
+//Let's try this:
+ uint32 lbufAddress = 0x1800 + (startPos * 2);
uint8 * currentLineBuffer = &tomRam8[lbufAddress];
// Render.
// From the docs, it is... If we want to limit here we should think of something else.
// int32 limit = GET16(tom_ram_8, 0x0008); // LIMIT
int32 limit = 720;
- int32 lbufWidth = (!in24BPPMode ? limit - 1 : (limit / 2) - 1); // Zero based limit...
+// int32 lbufWidth = (!in24BPPMode ? limit - 1 : (limit / 2) - 1); // Zero based limit...
+ int32 lbufWidth = 719; // Zero based limit...
// If the image is completely to the left or right of the line buffer, then bail.
//If in REFLECT mode, then these values are swapped! !!! FIX !!! [DONE]
projects / virtualjaguar / blobdiff