//
// by cal2
// GCC/SDL port by Niels Wagenaar (Linux/WIN32) and Caz (BeOS)
-// Cleanups by James L. Hammons
+// Cleanups/fixes/rewrites by James L. Hammons
//
#include <stdio.h>
//#define OP_DEBUG
//#define OP_DEBUG_BMP
-//WTFITF???static int cnt = 0;
-extern uint32 jaguar_mainRom_crc32;
-
-static uint8 * op_blend_y;
-static uint8 * op_blend_cc;
-
-#define BLEND_Y(dst,src) op_blend_y[(((uint16)dst)<<8) | ((uint16)(src))]
-#define BLEND_CC(dst,src) op_blend_cc[(((uint16)dst)<<8) | ((uint16)(src))]
-
-static uint8 objectp_ram[0x40];
-uint8 objectp_running;
-uint8 objectp_stop_reading_list;
-
-#define OBJECT_TYPE_BITMAP 0
-#define OBJECT_TYPE_SCALE 1
-#define OBJECT_TYPE_GPU 2
-#define OBJECT_TYPE_BRANCH 3
-#define OBJECT_TYPE_STOP 4
-/*
-#define OBJECT_TYPE_BITMAP 000
-#define OBJECT_TYPE_SCALE 001
-#define OBJECT_TYPE_GPU 010
-#define OBJECT_TYPE_BRANCH 011
-#define OBJECT_TYPE_STOP 100
-*/
-
-#define CONDITION_EQUAL 0
-#define CONDITION_LESS_THAN 1
-#define CONDITION_GREATER_THAN 2
-#define CONDITION_OP_FLAG_SET 3
+#define BLEND_Y(dst, src) op_blend_y[(((uint16)dst<<8)) | ((uint16)(src))]
+#define BLEND_CR(dst, src) op_blend_cr[(((uint16)dst)<<8) | ((uint16)(src))]
+//Delete this once we're rid of zbmpop*.h...
+#define BLEND_CC(dst, src) op_blend_cr[(((uint16)dst)<<8) | ((uint16)(src))]
+
+#define OBJECT_TYPE_BITMAP 0 // 000
+#define OBJECT_TYPE_SCALE 1 // 001
+#define OBJECT_TYPE_GPU 2 // 010
+#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_OP_FLAG_SET 3
#define CONDITION_SECOND_HALF_LINE 4
+//Delete this once we're rid of zbmpop*.h...
#define FLAGS_RELEASE 8
#define FLAGS_TRANSPARENT 4
#define FLAGS_READMODIFY 2
#define FLAGS_HFLIP 1
+#define OPFLAG_RELEASE 8 // Bus release bit
+#define OPFLAG_TRANS 4 // Transparency bit
+#define OPFLAG_RMW 2 // Read-Modify-Write bit
+#define OPFLAG_REFLECT 1 // Horizontal mirror bit
+
+// Private function prototypes
+
+void OPProcessFixedBitmap(int scanline, uint64 p0, uint64 p1, bool render);
+void OPProcessScaledBitmap(int scanline, uint64 p0, uint64 p1, uint64 p2, bool render);
+
+// External global variables
+
+extern uint32 jaguar_mainRom_crc32;
+
+// Local global variables
+
+static uint8 * op_blend_y;
+static uint8 * op_blend_cr;
+// There may be a problem with this "RAM" overlapping some of the
+// regular TOM RAM...
+static uint8 objectp_ram[0x40]; // This is based at $F00000
+uint8 objectp_running;
+bool objectp_stop_reading_list;
+
static uint8 op_bitmap_bit_depth[8] = { 1, 2, 4, 8, 16, 24, 32, 0 };
static uint32 op_bitmap_bit_size[8] =
{ (uint32)(0.125*65536), (uint32)(0.25*65536), (uint32)(0.5*65536), (uint32)(1*65536),
(uint32)(2*65536), (uint32)(1*65536), (uint32)(1*65536), (uint32)(1*65536) };
static uint32 op_pointer;
-//WTFITF???static int cnt_bitmap = 0;
+
//
-// Object Processor bitmap processing
+// Object Processor initialization
//
+void op_init(void)
+{
+ // Blend tables (64K each)
+ memory_malloc_secure((void **)&op_blend_y, 0x10000, "Jaguar Object processor Y blend lookup table");
+ memory_malloc_secure((void **)&op_blend_cr, 0x10000, "Jaguar Object processor CR blend lookup table");
+
+ // Here we calculate the saturating blend of a signed 4-bit value and an
+ // existing Cyan/Red value as well as a signed 8-bit value and an existing intensity...
+ // Note: CRY is 4 bits Cyan, 4 bits Red, 16 bits intensitY
+ for(int i=0; i<256*256; i++)
+ {
+ int y = (i >> 8) & 0xFF;
+ int dy = (INT8)i; // Sign extend the Y index
+ int c1 = (i >> 8) & 0x0F;
+ int dc1 = (INT8)(i << 4) >> 4; // Sign extend the R index
+ int c2 = (i >> 12) & 0x0F;
+ int dc2 = (INT8)(i & 0xF0) >> 4; // Sign extend the C index
+
+ y += dy;
+ if (y < 0)
+ y = 0;
+ else if (y > 0xFF)
+ y = 0xFF;
+ op_blend_y[i] = y;
+
+ c1 += dc1;
+ if (c1 < 0)
+ c1 = 0;
+ else if (c1 > 0x0F)
+ c1 = 0x0F;
+ c2 += dc2;
+
+ if (c2 < 0)
+ c2 = 0;
+ else if (c2 > 0x0F)
+ c2 = 0x0F;
+ op_blend_cr[i] = (c2 << 4) | c1;
+ }
+
+ op_reset();
+}
-void op_process_bitmap(int16 * backbuffer, int scanline, uint64 p0, uint64 p1, int render)
+//
+// Object Processor reset
+//
+void op_reset(void)
{
- uint8 bitdepth = (p1 >> 12) & 0x07;
- int16 ypos = ((p0 >> 3) & 0x3FF) / 2; // ??? What if not interlaced (/2)?
- int32 xpos = (((int32)((p1 << 20) & 0xFFFFFFFF)) >> 20) - tom_getHBlankWidthInPixels();
- int32 iwidth = ((p1 >> 28) & 0x3FF) * 4;
- int32 dwidth = ((p1 >> 18) & 0x3FF) * 4; // ??? Should it be signed or unsigned ???
- int16 height = ((p0 >> 14) & 0x3FF) - 1;
- uint32 link = ((p0 >> 24) & 0x7FFFF) << 3;
- uint32 ptr = ((p0 >> 43) & 0x1FFFFF) << 3;
-#ifdef OP_DEBUG_BMP
- uint32 firstPix = (p1 >> 49) & 0x3F;
-#endif
- uint8 flags = (p1 >> 45) & 0x0F;
- uint8 idx = (p1 >> 38) & 0x7F;
- uint32 pitch = (p1 >> 15) & 0x07;
- int16 scanline_width = tom_getVideoModeWidth();
- uint8 * tom_ram_8 = tom_get_ram_pointer();
- uint8 * current_line_buffer = &tom_ram_8[0x1800];
- uint8 * paletteRam = &tom_ram_8[0x400];
- uint8 doom_hack = 0;
+ memset(objectp_ram, 0x00, 0x40);
+ objectp_running = 0;
+}
-//if (scanline == 200)
-// fprintf(log_get(), "OP --> Current OPPtr: %08X, next: %08X, BMPPtr: %08X\n", op_pointer, link, ptr);
+void op_done(void)
+{
+}
- op_pointer = link;
+//
+// Object Processor memory access
+// Memory range: F00010 (F00008?) - F00027
+//
+void op_byte_write(uint32 offset, uint8 data)
+{
+ offset &= 0x3F;
+ objectp_ram[offset] = data;
+}
- if (!render || (op_pointer == 0) || (height < 0) || (dwidth < 0) || (ptr == 0) || (pitch == 0))
- return;
+void op_word_write(uint32 offset, uint16 data)
+{
+ offset &= 0x3F;
+// objectp_ram[offset] = (data >> 8) & 0xFF;
+// objectp_ram[offset+1] = data & 0xFF;
+ SET16(objectp_ram, offset, data);
- if (iwidth == 0)
- dwidth = iwidth = height;
+/*if (offset == 0x20)
+WriteLog("OP: Setting lo list pointer: %04X\n", data);
+if (offset == 0x22)
+WriteLog("OP: Setting hi list pointer: %04X\n", data);//*/
+}
- if (jaguar_mainRom_crc32 == 0x5e705756) // doom
- {
- if ((iwidth==160)&&(height==179)&&(xpos==-9)&&(ypos==24))
- {
- doom_hack=1;
- xpos=0;
- }
- }
- // il y a un offset vertical de 20 pour un des bitmaps
- // dans dinon olympics pour une raison encore inconnue
- if (jaguar_mainRom_crc32==0x3c7bfda8)
- {
- if ((iwidth==220)&&(height==184)&&(ypos==0))
- {
- ypos=20;
- }
- }
- else
- if (jaguar_mainRom_crc32==0x2f032271)
- {
- ypos+=8;
- }
- if (op_bitmap_bit_depth[bitdepth] == 24)
- {
- iwidth *= 2;
- dwidth *= 2;
- }
- if (op_bitmap_bit_depth[bitdepth] == 8)
- {
- iwidth *= 2;
- dwidth *= 2;
- }
- if (op_bitmap_bit_depth[bitdepth] == 4)
- {
- iwidth *= 2;
- dwidth *= 2;
- }
- if (op_bitmap_bit_depth[bitdepth] == 2)
- {
- iwidth *= 2;
- dwidth *= 2;
- }
- if (op_bitmap_bit_depth[bitdepth] == 1)
- {
- iwidth *= 2;
- dwidth *= 2;
- }
- // Power Drive Rally (fixed size bitmaps have a 240 lines vertical offset)
- // but could well be a modulo 240
- if (jaguar_mainRom_crc32==0x0ab88d90)
- ypos %= 240;
+uint8 op_byte_read(uint32 offset)
+{
+ offset &= 0x3F;
+ return objectp_ram[offset];
+}
-#ifdef OP_DEBUG_BMP
- fprintf(log_get(),"bitmap %ix%i %ibpp at %i,%i firstpix=%i ptr=0x%.8x pitch %i hflipped=%s dwidth=%i (linked to 0x%.8x) Transluency=%s\n",iwidth,height,op_bitmap_bit_depth[bitdepth],xpos,ypos,firstPix,ptr,pitch,flags&FLAGS_HFLIP?"yes":"no",dwidth,op_pointer,(flags&FLAGS_READMODIFY)?"yes":"no");
-#endif
+uint16 op_word_read(uint32 offset)
+{
+// return (objectp_ram[offset & 0x3F] << 8) | objectp_ram[(offset+1) & 0x3F];
+ offset &= 0x3F;
+ return GET16(objectp_ram, offset);
+}
- if ((scanline < ypos) || (scanline > (ypos + height)))
- return;
+// F00010-F00017 R xxxxxxxx xxxxxxxx OB - current object code from the graphics processor
+// F00020-F00023 W xxxxxxxx xxxxxxxx OLP - start of the object list
+// F00026 W -------- -------x OBF - object processor flag
- // seek to the good bitmap scanline
- // not sure for palettized modes
- if (op_bitmap_bit_depth[bitdepth] > 8)
- ptr += ((dwidth * op_bitmap_bit_size[bitdepth]) >> 16) * (scanline - ypos);
- else
- ptr += dwidth * (scanline - ypos);
+uint32 op_get_list_pointer(void)
+{
+ // Note: This register is LO / HI WORD, hence the funky look of this...
+// return (objectp_ram[0x22] << 24) | (objectp_ram[0x23] << 16) | (objectp_ram[0x20] << 8) | objectp_ram[0x21];
+ return GET16(objectp_ram, 0x20) | (GET16(objectp_ram, 0x22) << 16);
+}
- if (xpos < 0)
- {
- iwidth += xpos;
- ptr += (pitch * op_bitmap_bit_size[bitdepth] * (-xpos)) >> 16;
- xpos = 0;
- }
+// This is WRONG, since the OBF is only 16 bits wide!!! [FIXED]
- if (iwidth <= 0)
- {
-#ifdef OP_DEBUG_BMP
- fprintf(log_get(), "not rendering because iwidth <= 0\n");
-#endif
+uint32 op_get_status_register(void)
+{
+// return (objectp_ram[0x26] << 24) | (objectp_ram[0x27] << 16) | (objectp_ram[0x28] << 8) | objectp_ram[0x29];
+// return GET32(objectp_ram, 0x26);
+ return GET16(objectp_ram, 0x26);
+}
+
+// This is WRONG, since the OBF is only 16 bits wide!!! [FIXED]
+
+void op_set_status_register(uint32 data)
+{
+/* objectp_ram[0x26] = (data & 0xFF000000) >> 24;
+ objectp_ram[0x27] = (data & 0x00FF0000) >> 16;
+ objectp_ram[0x28] = (data & 0x0000FF00) >> 8;
+ objectp_ram[0x29] |= (data & 0xFE);*/
+ objectp_ram[0x26] = (data & 0x0000FF00) >> 8;
+ objectp_ram[0x27] |= (data & 0xFE);
+}
+
+void op_set_current_object(uint64 object)
+{
+//Not sure this is right... Wouldn't it just be stored 64 bit BE?
+ // Stored as least significant 32 bits first, ms32 last in big endian
+ objectp_ram[0x13] = object & 0xFF; object >>= 8;
+ objectp_ram[0x12] = object & 0xFF; object >>= 8;
+ objectp_ram[0x11] = object & 0xFF; object >>= 8;
+ objectp_ram[0x10] = object & 0xFF; object >>= 8;
+
+ objectp_ram[0x17] = object & 0xFF; object >>= 8;
+ objectp_ram[0x16] = object & 0xFF; object >>= 8;
+ objectp_ram[0x15] = object & 0xFF; object >>= 8;
+ objectp_ram[0x14] = object & 0xFF;
+}
+
+uint64 op_load_phrase(uint32 offset)
+{
+ offset &= ~0x07; // 8 byte alignment
+ return ((uint64)jaguar_long_read(offset) << 32) | (uint64)jaguar_long_read(offset+4);
+}
+
+//
+// OP replacement functions
+//
+
+void OPStorePhrase(uint32 offset, uint64 p)
+{
+ offset &= ~0x07; // 8 byte alignment
+ jaguar_long_write(offset, p >> 32);
+ jaguar_long_write(offset + 4, p & 0xFFFFFFFF);
+}
+
+//
+// *** NEW ***
+// Object Processor main routine
+//
+void OPProcessList(int scanline, bool render)
+{
+extern int op_start_log;
+// char * condition_to_str[8] =
+// { "==", "<", ">", "(opflag set)", "(second half line)", "?", "?", "?" };
+
+// If jaguar_exec() is working right, we should *never* have to check for this
+// condition...
+ if (scanline < tom_get_vdb())
return;
- }
-
- if (flags & FLAGS_HFLIP)
- {
- if ((xpos < 0) || ((xpos - iwidth) >= scanline_width))
- return;
- if ((xpos - iwidth) < 0)
- iwidth = xpos;
- }
- else
- {
- if (((xpos + iwidth) < 0) || (xpos >= scanline_width))
- return;
+ if (scanline >= 525)//tom_getVideoModeHeight()+tom_get_vdb())
+ return;
- if ((xpos + iwidth) > scanline_width)
- iwidth = scanline_width - xpos;
- }
+ op_pointer = op_get_list_pointer();
- current_line_buffer += xpos * 2; // 2 in 16 bpp modes (need to take the mode into account)
+ objectp_stop_reading_list = false;
- // doom switches the resolution from 320 to 160 to double the display width
- // this is not yet supported
- if (doom_hack)
+// *** BEGIN OP PROCESSOR TESTING ONLY ***
+extern bool interactiveMode;
+extern bool iToggle;
+extern int objectPtr;
+bool inhibit;
+int bitmapCounter = 0;
+// *** END OP PROCESSOR TESTING ONLY ***
+
+// if (op_pointer) WriteLog(" new op list at 0x%.8x scanline %i\n",op_pointer,scanline);
+ while (op_pointer)
{
- while (iwidth)
+// *** BEGIN OP PROCESSOR TESTING ONLY ***
+if (interactiveMode && bitmapCounter == objectPtr)
+ inhibit = iToggle;
+else
+ inhibit = false;
+// *** END OP PROCESSOR TESTING ONLY ***
+ if (objectp_stop_reading_list)
+ return;
+
+ uint64 p0 = op_load_phrase(op_pointer);
+ op_pointer += 8;
+if (scanline == tom_get_vdb() && op_start_log)
+{
+WriteLog("%08X --> phrase %08X %08X", op_pointer - 8, (int)(p0>>32), (int)(p0&0xFFFFFFFF));
+if ((p0 & 0x07) == OBJECT_TYPE_BITMAP)
+{
+WriteLog(" (BITMAP) ");
+uint64 p1 = op_load_phrase(op_pointer);
+WriteLog("\n%08X --> phrase %08X %08X ", op_pointer, (int)(p1>>32), (int)(p1&0xFFFFFFFF));
+ uint8 bitdepth = (p1 >> 12) & 0x07;
+ int16 ypos = ((p0 >> 3) & 0x3FF); // ??? 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) - 1;
+ 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&FLAGS_HFLIP ? "REFLECT " : ""), (flags&FLAGS_READMODIFY ? "RMW " : ""), (flags&FLAGS_TRANSPARENT ? "TRANS " : ""), (flags&FLAGS_RELEASE ? "RELEASE" : ""), idx, pitch);
+}
+if ((p0 & 0x07) == OBJECT_TYPE_SCALE)
+{
+WriteLog(" (SCALED BITMAP)");
+uint64 p1 = op_load_phrase(op_pointer), p2 = op_load_phrase(op_pointer+8);
+WriteLog("\n%08X --> phrase %08X %08X ", op_pointer, (int)(p1>>32), (int)(p1&0xFFFFFFFF));
+ uint8 bitdepth = (p1 >> 12) & 0x07;
+ int16 ypos = ((p0 >> 3) & 0x3FF); // ??? 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) - 1;
+ 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&FLAGS_HFLIP ? "REFLECT " : ""), (flags&FLAGS_READMODIFY ? "RMW " : ""), (flags&FLAGS_TRANSPARENT ? "TRANS " : ""), (flags&FLAGS_RELEASE ? "RELEASE" : ""), idx, pitch);
+ uint32 hscale = p2 & 0xFF;
+ uint32 vscale = (p2 >> 8) & 0xFF;
+ uint32 remainder = (p2 >> 16) & 0xFF;
+WriteLog(" [hsc: %02X, vsc: %02X, rem: %02X]\n", hscale, vscale, remainder);
+}
+if ((p0 & 0x07) == OBJECT_TYPE_GPU)
+WriteLog(" (GPU)\n");
+if ((p0 & 0x07) == OBJECT_TYPE_BRANCH)
+{
+WriteLog(" (BRANCH)\n");
+uint8 * jaguar_mainRam = GetRamPtr();
+WriteLog("[RAM] --> ");
+for(int k=0; k<8; k++)
+ WriteLog("%02X ", jaguar_mainRam[op_pointer-8 + k]);
+WriteLog("\n");
+}
+if ((p0 & 0x07) == OBJECT_TYPE_STOP)
+WriteLog(" --> List end\n");
+}//*/
+
+// WriteLog("%08X type %i\n", op_pointer, (uint8)p0 & 0x07);
+ switch ((uint8)p0 & 0x07)
{
- uint8 d0=jaguar_byte_read(ptr+0);
- uint8 d1=jaguar_byte_read(ptr+1);
- *current_line_buffer++=d0;
- *current_line_buffer++=d1;
- *current_line_buffer++=d0;
- *current_line_buffer++=d1;
- ptr+=2;
- iwidth--;
- }
- return;
- }
- if (op_bitmap_bit_depth[bitdepth] == 1)
- {
- if (pitch == 1)
+ case OBJECT_TYPE_BITMAP:
{
-#include "fbmpop1.h"
+ // Would *not* be /2 if interlaced...!
+ uint16 ypos = ((p0 >> 3) & 0x3FF) / 2;
+// This is only theory implied by Rayman...!
+// It seems that if the YPOS is zero, then bump the YPOS value so that it coincides with
+// the VDB value. With interlacing, this would be slightly more tricky.
+// There's probably another bit somewhere that enables this mode--but so far, doesn't seem
+// to affect any other game in a negative way (that I've seen).
+// Either that, or it's an undocumented bug...
+ if (ypos == 0)
+ ypos = tom_word_read(0xF00046) / 2; // Get the VDB value
+ uint32 height = (p0 & 0xFFC000) >> 14;
+ uint32 oldOPP = op_pointer - 8;
+// *** BEGIN OP PROCESSOR TESTING ONLY ***
+if (inhibit && op_start_log)
+ WriteLog("!!! ^^^ This object is INHIBITED! ^^^ !!!\n");
+bitmapCounter++;
+if (!inhibit) // For OP testing only!
+// *** END OP PROCESSOR TESTING ONLY ***
+ if (scanline >= ypos && height > 0)
+ {
+ uint64 p1 = op_load_phrase(op_pointer);
+ op_pointer += 8;
+//WriteLog("OP: Writing scanline %d with ypos == %d...\n", scanline, ypos);
+//WriteLog("--> Writing %u BPP bitmap...\n", op_bitmap_bit_depth[(p1 >> 12) & 0x07]);
+ OPProcessFixedBitmap(scanline, p0, p1, render);
+
+ // OP write-backs
+
+//???Does this really happen??? Doesn't seem to work if you do this...!
+// uint32 link = (p0 & 0x7FFFF000000) >> 21;
+// SET16(objectp_ram, 0x20, link & 0xFFFF); // OLP
+// SET16(objectp_ram, 0x22, link >> 16);
+/* uint32 height = (p0 & 0xFFC000) >> 14;
+ if (height - 1 > 0)
+ height--;*/
+ // NOTE: Would subtract 2 if in interlaced mode...!
+// uint64 height = ((p0 & 0xFFC000) - 0x4000) & 0xFFC000;
+// if (height)
+ height--;
+
+ uint64 data = (p0 & 0xFFFFF80000000000) >> 40;
+ uint64 dwidth = (p1 & 0xFFC0000) >> 15;
+ data += dwidth;
+
+ p0 &= ~0xFFFFF80000FFC000; // Mask out old data...
+ p0 |= (uint64)height << 14;
+ p0 |= data << 40;
+ OPStorePhrase(oldOPP, p0);
+ }
+ op_pointer = (p0 & 0x000007FFFF000000) >> 21;
+ break;
}
- else
+ case OBJECT_TYPE_SCALE:
{
-#include "fbmpop1p.h"
+ // Would *not* be /2 if interlaced...!
+ uint16 ypos = ((p0 >> 3) & 0x3FF) / 2;
+// This is only theory implied by Rayman...!
+// It seems that if the YPOS is zero, then bump the YPOS value so that it coincides with
+// the VDB value. With interlacing, this would be slightly more tricky.
+// There's probably another bit somewhere that enables this mode--but so far, doesn't seem
+// to affect any other game in a negative way (that I've seen).
+// Either that, or it's an undocumented bug...
+ if (ypos == 0)
+ ypos = tom_word_read(0xF00046) / 2; // Get the VDB value
+ uint32 height = (p0 & 0xFFC000) >> 14;
+ uint32 oldOPP = op_pointer - 8;
+// *** BEGIN OP PROCESSOR TESTING ONLY ***
+if (inhibit && op_start_log)
+ WriteLog("!!! ^^^ This object is INHIBITED! ^^^ !!!\n");
+bitmapCounter++;
+if (!inhibit) // For OP testing only!
+// *** END OP PROCESSOR TESTING ONLY ***
+ if (scanline >= ypos && height > 0)
+ {
+ uint64 p1 = op_load_phrase(op_pointer);
+ op_pointer += 8;
+ uint64 p2 = op_load_phrase(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));
+ OPProcessScaledBitmap(scanline, p0, p1, p2, render);
+
+ // OP write-backs
+
+//???Does this really happen??? Doesn't seem to work if you do this...!
+// uint32 link = (p0 & 0x7FFFF000000) >> 21;
+// SET16(objectp_ram, 0x20, link & 0xFFFF); // OLP
+// SET16(objectp_ram, 0x22, link >> 16);
+/* uint32 height = (p0 & 0xFFC000) >> 14;
+ if (height - 1 > 0)
+ height--;*/
+ // NOTE: Would subtract 2 if in interlaced mode...!
+// uint64 height = ((p0 & 0xFFC000) - 0x4000) & 0xFFC000;
+
+ uint8 remainder = p2 >> 16, vscale = p2 >> 8;
+ if (vscale == 0)
+ vscale = 0x20; // OP bug???
+
+ remainder -= 0x20; // 1.0f in [3.5] fixed point format
+ if (remainder & 0x80) // I.e., it's negative
+ {
+ uint64 data = (p0 & 0xFFFFF80000000000) >> 40;
+ uint64 dwidth = (p1 & 0xFFC0000) >> 15;
+
+ while (remainder & 0x80)
+ {
+ remainder += vscale;
+ if (height)
+ height--;
+
+ data += dwidth;
+ }
+ p0 &= ~0xFFFFF80000FFC000; // Mask out old data...
+ p0 |= (uint64)height << 14;
+ p0 |= data << 40;
+ OPStorePhrase(oldOPP, p0);
+ }
+
+//WriteLog(" [%08X%08X -> ", (uint32)(p2>>32), (uint32)(p2&0xFFFFFFFF));
+ p2 &= ~0x0000000000FF0000;
+ p2 |= (uint64)remainder << 16;
+//WriteLog("%08X%08X]\n", (uint32)(p2>>32), (uint32)(p2&0xFFFFFFFF));
+ OPStorePhrase(oldOPP+16, p2);
+//remainder = (uint8)(p2 >> 16), vscale = (uint8)(p2 >> 8);
+//WriteLog(" [after]: rem=%02X, vscale=%02X\n", remainder, vscale);
+ }
+ op_pointer = (p0 & 0x000007FFFF000000) >> 21;
+ break;
}
- }
- else if (op_bitmap_bit_depth[bitdepth] == 2)
- {
- if (pitch == 1)
+ case OBJECT_TYPE_GPU:
{
-#include "fbmpop2.h"
+ op_set_current_object(p0);
+ gpu_set_irq_line(3, 1);
+ break;
}
- else
+ case OBJECT_TYPE_BRANCH:
{
-#include "fbmpop2p.h"
+ uint16 ypos = (p0 >> 3) & 0x7FF;
+ 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);
+ switch (cc)
+ {
+ case CONDITION_EQUAL:
+ if (ypos != 0x7FF && (ypos & 0x01))
+ ypos ^= 0x01;
+ if ((2 * tom_get_scanline()) == ypos || ypos == 0x7FF)
+ op_pointer = link;
+ break;
+ case CONDITION_LESS_THAN:
+ if ((2 * tom_get_scanline()) < ypos)
+ op_pointer = link;
+ break;
+ case CONDITION_GREATER_THAN:
+ if ((2 * tom_get_scanline()) > ypos)
+ op_pointer = link;
+ break;
+ case CONDITION_OP_FLAG_SET:
+ if (op_get_status_register() & 0x01)
+ op_pointer = link;
+ break;
+ case CONDITION_SECOND_HALF_LINE:
+ // This basically means branch if bit 10 of HC is set
+ WriteLog("OP: Unexpected CONDITION_SECOND_HALF_LINE in BRANCH object\nop: shuting down\n");
+ fclose(log_get());
+ exit(0);
+ break;
+ default:
+ WriteLog("OP: Unimplemented branch condition %i\n", cc);
+ }
+ break;
}
- }
- else if (op_bitmap_bit_depth[bitdepth] == 4)
- {
- if (pitch == 1)
+ case OBJECT_TYPE_STOP:
{
-#include "fbmpop4.h"
+//op_start_log = 0;
+ // unsure
+//WriteLog("OP: --> STOP\n");
+ op_set_status_register(((p0>>3) & 0xFFFFFFFF));
+
+ if (p0 & 0x8)
+ {
+ tom_set_pending_object_int();
+ if (tom_irq_enabled(2) && jaguar_interrupt_handler_is_valid(64))
+ m68k_set_irq(7); // Cause an NMI to occur...
+ }
+
+ return;
+ break;
}
- else
- {
-#include "fbmpop4p.h"
+ default:
+ WriteLog("op: unknown object type %i\n", ((uint8)p0 & 0x07));
+ return;
}
}
- else if (op_bitmap_bit_depth[bitdepth] == 8)
+}
+
+//
+// *** NEW ***
+// Store fixed size bitmap in line buffer
+//
+
+// Interesting thing about Rayman: There seems to be a transparent bitmap (1/8/16 bpp--which?)
+// being rendered under his feet--doesn't align when walking... Check it out!
+
+void OPProcessFixedBitmap(int scanline, uint64 p0, uint64 p1, bool render)
+{
+// Need to make sure that when writing that it stays within the line buffer...
+// LBUF ($F01800 - $F01D9E) 360 x 32-bit RAM
+ uint8 depth = (p1 >> 12) & 0x07; // Color depth of image
+//Why is HBlankWidthInPixels subtracted from this???
+// int32 xpos = (((int32)((p1 << 20) & 0xFFFFFFFF)) >> 20) - tom_getHBlankWidthInPixels();
+ int32 xpos = ((int16)((p1 << 4) & 0xFFFF)) >> 4;// Image xpos in LBUF
+ uint32 iwidth = (p1 >> 28) & 0x3FF; // Image width in *phrases*
+ uint32 data = (p0 >> 40) & 0xFFFFF8; // Pixel data address
+#ifdef OP_DEBUG_BMP
+// Prolly should use this... Though not sure exactly how.
+ uint32 firstPix = (p1 >> 49) & 0x3F;
+#endif
+// We can ignore the RELEASE (high order) bit for now--probably forever...!
+// uint8 flags = (p1 >> 45) & 0x0F; // REFLECT, RMW, TRANS, RELEASE
+//Optimize: break these out to their own BOOL values
+ uint8 flags = (p1 >> 45) & 0x07; // REFLECT (0), RMW (1), TRANS (2)
+// "For images with 1 to 4 bits/pixel the top 7 to 4 bits of the index
+// provide the most significant bits of the palette address."
+ uint8 index = (p1 >> 37) & 0xFE; // CLUT index offset (upper pix, 1-4 bpp)
+ uint32 pitch = (p1 >> 15) & 0x07; // Phrase pitch
+
+// int16 scanlineWidth = tom_getVideoModeWidth();
+ uint8 * tom_ram_8 = tom_get_ram_pointer();
+ uint8 * paletteRAM = &tom_ram_8[0x400];
+ // This is OK as long as it's used correctly: For 16-bit RAM to RAM direct copies--NOT
+ // for use when using endian-corrected data (i.e., any of the *_word_read functions!)
+ uint16 * paletteRAM16 = (uint16 *)paletteRAM;
+
+// WriteLog("bitmap %ix? %ibpp at %i,? firstpix=? data=0x%.8x pitch %i hflipped=%s dwidth=? (linked to ?) RMW=%s Tranparent=%s\n",
+// iwidth, op_bitmap_bit_depth[bitdepth], xpos, ptr, pitch, (flags&FLAGS_HFLIP ? "yes" : "no"), (flags&FLAGS_READMODIFY ? "yes" : "no"), (flags&FLAGS_TRANSPARENT ? "yes" : "no"));
+
+// 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...
+// if (!render || op_pointer == 0 || dwidth == 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) // || data == 0 || op_pointer == 0)
+ return;
+
+//#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",
+// iwidth, height, op_bitmap_bit_depth[bitdepth], xpos, ypos, firstPix, ptr, pitch, (flags&FLAGS_HFLIP ? "yes" : "no"), dwidth, op_pointer, (flags&FLAGS_READMODIFY ? "yes" : "no"));
+//#endif
+
+ int32 phraseWidthToPixels[8] = { 64, 32, 16, 8, 4, 2, 0, 0 };
+ int32 leftMargin = xpos, rightMargin = (xpos + (phraseWidthToPixels[depth] * iwidth)) - 1;
+ uint32 clippedWidth = 0, phraseClippedWidth = 0;//, phrasePixel = 0;
+ bool in24BPPMode = (((GET16(tom_ram_8, 0x0028) >> 1) & 0x03) == 1 ? true : false); // VMODE
+ // 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...
+
+ // 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]
+//There are four possibilities:
+// 1. image sits on left edge and no REFLECT; starts out of bounds but ends in bounds.
+// 2. image sits on left edge and REFLECT; starts in bounds but ends out of bounds.
+// 3. image sits on right edge and REFLECT; starts out of bounds but ends in bounds.
+// 4. image sits on right edge and no REFLECT; starts in bounds but ends out of bounds.
+//Numbers 2 & 4 can be caught by checking the LBUF clip while in the inner loop,
+// numbers 1 & 3 are of concern.
+// This *indirectly* handles only cases 2 & 4! And is WRONG is REFLECT is set...!
+// if (rightMargin < 0 || leftMargin > lbufWidth)
+
+// It might be easier to swap these (if REFLECTed) and just use XPOS down below...
+// That way, you could simply set XPOS to leftMargin if !REFLECT and to rightMargin otherwise.
+// Still have to be careful with the DATA and IWIDTH values though...
+
+ if ((!(flags & OPFLAG_REFLECT) && (rightMargin < 0 || leftMargin > lbufWidth))
+ || ((flags & OPFLAG_REFLECT) && (leftMargin < 0 || rightMargin > lbufWidth)))
+ return;
+
+ // Otherwise, find the clip limits and clip the phrase as well...
+ // NOTE: I'm fudging here by letting the actual blit overstep the bounds of the
+ // line buffer, but it shouldn't matter since there are two unused line
+ // buffers below and nothing above and I'll at most write 8 bytes outside
+ // the line buffer... I could use a fractional clip begin/end value, but
+ // this makes the blit a *lot* more hairy. I might fix this in the future
+ // if it becomes necessary. (JLH)
+ // Probably wouldn't be *that* hairy. Just use a delta that tells the inner loop
+ // which pixel in the phrase is being written, and quit when either end of phrases
+ // is reached or line buffer extents are surpassed.
+
+//This stuff is probably wrong as well... !!! FIX !!!
+//The strange thing is that it seems to work, but that's no guarantee that it's bulletproof!
+//Yup. Seems that JagMania doesn't work correctly with this...
+//Dunno if this is the problem, but Atari Karts is showing *some* of the road now...
+ if (leftMargin < 0)
+ clippedWidth = 0 - leftMargin,
+ phraseClippedWidth = clippedWidth / phraseWidthToPixels[depth],
+ leftMargin = 0 - (clippedWidth % phraseWidthToPixels[depth]);
+// leftMargin = 0;
+
+ if (rightMargin > lbufWidth)
+ clippedWidth = rightMargin - lbufWidth,
+ phraseClippedWidth = clippedWidth / phraseWidthToPixels[depth],
+ rightMargin = lbufWidth + (clippedWidth % phraseWidthToPixels[depth]);
+// rightMargin = lbufWidth;
+
+ // If the image is sitting on the line buffer left or right edge, we need to compensate
+ // by decreasing the image phrase width accordingly.
+ iwidth -= phraseClippedWidth;
+
+ // Also, if we're clipping the phrase we need to make sure we're in the correct part of
+ // the pixel data.
+ data += phraseClippedWidth * (pitch << 3);
+
+ // NOTE: When the bitmap is in REFLECT mode, the XPOS marks the *right* side of the
+ // bitmap! This makes clipping & etc. MUCH, much easier...!
+ uint32 lbufAddress = 0x1800 + (!in24BPPMode ? leftMargin * 2 : leftMargin * 4);
+ uint8 * currentLineBuffer = &tom_ram_8[lbufAddress];
+
+ // Render.
+
+// Hmm. We check above for 24 BPP mode, but don't do anything about it below...
+// If we *were* in 24 BPP mode, how would you convert CRY to RGB24? Seems to me
+// that if you're in CRY mode then you wouldn't be able to use 24 BPP bitmaps
+// anyway.
+
+ if (depth == 0) // 1 BPP
{
- if (pitch == 1)
+// uint32 paletteIndex = index << 1;
+ // The LSB is OPFLAG_REFLECT, so sign extend it and or 2 into it.
+ int32 lbufDelta = ((int8)((flags << 7) & 0xFF) >> 5) | 0x02;
+
+ while (iwidth--)
{
-#include "fbmpop8.h"
+ // Fetch phrase...
+ uint64 pixels = ((uint64)jaguar_long_read(data) << 32) | jaguar_long_read(data + 4);
+ data += pitch << 3; // Multiply pitch * 8 (optimize: precompute this value)
+
+ for(int i=0; i<64; i++)
+ {
+ uint8 bit = pixels >> 63;
+// Seems to me that both of these are in the same endian, so we could cast it as
+// uint16 * and do straight across copies (what about 24 bpp? Treat it differently...)
+// This only works for the palettized modes (1 - 8 BPP), since we actually have to
+// copy data from memory in 16 BPP mode (or does it? Isn't this the same as the CLUT case?)
+// No, it isn't because we read the memory in an endian safe way--this *won't* work...
+ if ((flags & OPFLAG_TRANS) && bit == 0)
+ ; // Do nothing...
+ else
+ {
+ if (!(flags & OPFLAG_RMW))
+//Optimize: Set palleteRAM16 to beginning of palette RAM + index*2 and use only [bit] as index...
+ *(uint16 *)currentLineBuffer = paletteRAM16[index | bit];
+ else
+ *currentLineBuffer =
+ BLEND_CR(*currentLineBuffer, paletteRAM[(index | bit) << 1]),
+ *(currentLineBuffer + 1) =
+ BLEND_Y(*(currentLineBuffer + 1), paletteRAM[((index | bit) << 1) + 1]);
+ }
+
+ currentLineBuffer += lbufDelta;
+ pixels <<= 1;
+ }
}
- else
+ }
+ else if (depth == 1) // 2 BPP
+ {
+ index &= 0xFC; // Top six bits form CLUT index
+ // The LSB is OPFLAG_REFLECT, so sign extend it and or 2 into it.
+ int32 lbufDelta = ((int8)((flags << 7) & 0xFF) >> 5) | 0x02;
+
+ while (iwidth--)
{
-#include "fbmpop8p.h"
+ // Fetch phrase...
+ uint64 pixels = ((uint64)jaguar_long_read(data) << 32) | jaguar_long_read(data + 4);
+ data += pitch << 3; // Multiply pitch * 8 (optimize: precompute this value)
+
+ for(int i=0; i<32; i++)
+ {
+ uint8 bits = pixels >> 62;
+// Seems to me that both of these are in the same endian, so we could cast it as
+// uint16 * and do straight across copies (what about 24 bpp? Treat it differently...)
+// This only works for the palettized modes (1 - 8 BPP), since we actually have to
+// copy data from memory in 16 BPP mode (or does it? Isn't this the same as the CLUT case?)
+// No, it isn't because we read the memory in an endian safe way--this *won't* work...
+ if ((flags & OPFLAG_TRANS) && bits == 0)
+ ; // Do nothing...
+ else
+ {
+ if (!(flags & OPFLAG_RMW))
+ *(uint16 *)currentLineBuffer = paletteRAM16[index | bits];
+ else
+ *currentLineBuffer =
+ BLEND_CR(*currentLineBuffer, paletteRAM[(index | bits) << 1]),
+ *(currentLineBuffer + 1) =
+ BLEND_Y(*(currentLineBuffer + 1), paletteRAM[((index | bits) << 1) + 1]);
+ }
+
+ currentLineBuffer += lbufDelta;
+ pixels <<= 2;
+ }
}
}
- else if (op_bitmap_bit_depth[bitdepth] == 16)
+ else if (depth == 2) // 4 BPP
{
- if (pitch == 1)
+ index &= 0xF0; // Top four bits form CLUT index
+ // The LSB is OPFLAG_REFLECT, so sign extend it and or 2 into it.
+ int32 lbufDelta = ((int8)((flags << 7) & 0xFF) >> 5) | 0x02;
+
+ while (iwidth--)
{
-#include "fbmpop16.h"
+ // Fetch phrase...
+ uint64 pixels = ((uint64)jaguar_long_read(data) << 32) | jaguar_long_read(data + 4);
+ data += pitch << 3; // Multiply pitch * 8 (optimize: precompute this value)
+
+ for(int i=0; i<16; i++)
+ {
+ uint8 bits = pixels >> 60;
+// Seems to me that both of these are in the same endian, so we could cast it as
+// uint16 * and do straight across copies (what about 24 bpp? Treat it differently...)
+// This only works for the palettized modes (1 - 8 BPP), since we actually have to
+// copy data from memory in 16 BPP mode (or does it? Isn't this the same as the CLUT case?)
+// No, it isn't because we read the memory in an endian safe way--this *won't* work...
+ if ((flags & OPFLAG_TRANS) && bits == 0)
+ ; // Do nothing...
+ else
+ {
+ if (!(flags & OPFLAG_RMW))
+ *(uint16 *)currentLineBuffer = paletteRAM16[index | bits];
+ else
+ *currentLineBuffer =
+ BLEND_CR(*currentLineBuffer, paletteRAM[(index | bits) << 1]),
+ *(currentLineBuffer + 1) =
+ BLEND_Y(*(currentLineBuffer + 1), paletteRAM[((index | bits) << 1) + 1]);
+ }
+
+ currentLineBuffer += lbufDelta;
+ pixels <<= 4;
+ }
}
- else
+ }
+ else if (depth == 3) // 8 BPP
+ {
+ // The LSB is OPFLAG_REFLECT, so sign extend it and or 2 into it.
+ int32 lbufDelta = ((int8)((flags << 7) & 0xFF) >> 5) | 0x02;
+
+ while (iwidth--)
{
-#include "fbmpop16p.h"
+ // Fetch phrase...
+ uint64 pixels = ((uint64)jaguar_long_read(data) << 32) | jaguar_long_read(data + 4);
+ data += pitch << 3; // Multiply pitch * 8 (optimize: precompute this value)
+
+ for(int i=0; i<8; i++)
+ {
+ uint8 bits = pixels >> 56;
+// Seems to me that both of these are in the same endian, so we could cast it as
+// uint16 * and do straight across copies (what about 24 bpp? Treat it differently...)
+// This only works for the palettized modes (1 - 8 BPP), since we actually have to
+// copy data from memory in 16 BPP mode (or does it? Isn't this the same as the CLUT case?)
+// No, it isn't because we read the memory in an endian safe way--this *won't* work...
+ if ((flags & OPFLAG_TRANS) && bits == 0)
+ ; // Do nothing...
+ else
+ {
+ if (!(flags & OPFLAG_RMW))
+ *(uint16 *)currentLineBuffer = paletteRAM16[bits];
+ else
+ *currentLineBuffer =
+ BLEND_CR(*currentLineBuffer, paletteRAM[bits << 1]),
+ *(currentLineBuffer + 1) =
+ BLEND_Y(*(currentLineBuffer + 1), paletteRAM[(bits << 1) + 1]);
+ }
+
+ currentLineBuffer += lbufDelta;
+ pixels <<= 8;
+ }
}
}
- else if (op_bitmap_bit_depth[bitdepth] == 24)
+ else if (depth == 4) // 16 BPP
{
- if (pitch == 1)
+ // The LSB is OPFLAG_REFLECT, so sign extend it and or 2 into it.
+ int32 lbufDelta = ((int8)((flags << 7) & 0xFF) >> 5) | 0x02;
+
+ while (iwidth--)
{
-#include "fbmpop24.h"
+ // Fetch phrase...
+ uint64 pixels = ((uint64)jaguar_long_read(data) << 32) | jaguar_long_read(data + 4);
+ data += pitch << 3; // Multiply pitch * 8 (optimize: precompute this value)
+
+ for(int i=0; i<4; i++)
+ {
+ uint8 bitsHi = pixels >> 56, bitsLo = pixels >> 48;
+// Seems to me that both of these are in the same endian, so we could cast it as
+// uint16 * and do straight across copies (what about 24 bpp? Treat it differently...)
+// This only works for the palettized modes (1 - 8 BPP), since we actually have to
+// copy data from memory in 16 BPP mode (or does it? Isn't this the same as the CLUT case?)
+// No, it isn't because we read the memory in an endian safe way--it *won't* work...
+ if ((flags & OPFLAG_TRANS) && (bitsLo | bitsHi) == 0)
+ ; // Do nothing...
+ else
+ {
+ if (!(flags & OPFLAG_RMW))
+ *currentLineBuffer = bitsHi,
+ *(currentLineBuffer + 1) = bitsLo;
+ else
+ *currentLineBuffer =
+ BLEND_CR(*currentLineBuffer, bitsHi),
+ *(currentLineBuffer + 1) =
+ BLEND_Y(*(currentLineBuffer + 1), bitsLo);
+ }
+
+ currentLineBuffer += lbufDelta;
+ pixels <<= 16;
+ }
}
- else
+ }
+ else if (depth == 5) // 24 BPP
+ {
+WriteLog("OP: Writing 24 BPP bitmap!\n");
+ // Not sure, but I think RMW only works with 16 BPP and below, and only in CRY mode...
+ // The LSB is OPFLAG_REFLECT, so sign extend it and or 4 into it.
+ int32 lbufDelta = ((int8)((flags << 7) & 0xFF) >> 4) | 0x04;
+
+ while (iwidth--)
{
-#include "fbmpop24p.h"
+ // Fetch phrase...
+ uint64 pixels = ((uint64)jaguar_long_read(data) << 32) | jaguar_long_read(data + 4);
+ data += pitch << 3; // Multiply pitch * 8 (optimize: precompute this value)
+
+ for(int i=0; i<2; i++)
+ {
+ uint8 bits3 = pixels >> 56, bits2 = pixels >> 48,
+ bits1 = pixels >> 40, bits0 = pixels >> 32;
+// Seems to me that both of these are in the same endian, so we could cast it as
+// uint16 * and do straight across copies (what about 24 bpp? Treat it differently...)
+// This only works for the palettized modes (1 - 8 BPP), since we actually have to
+// copy data from memory in 16 BPP mode (or does it? Isn't this the same as the CLUT case?)
+// No, it isn't because we read the memory in an endian safe way--it *won't* work...
+ if ((flags & OPFLAG_TRANS) && (bits3 | bits2 | bits1 | bits0) == 0)
+ ; // Do nothing...
+ else
+ *currentLineBuffer = bits3,
+ *(currentLineBuffer + 1) = bits2,
+ *(currentLineBuffer + 2) = bits1,
+ *(currentLineBuffer + 3) = bits0;
+
+ currentLineBuffer += lbufDelta;
+ pixels <<= 32;
+ }
}
}
}
//
-// Object Processor scaled bitmap processing
+// *** NEW ***
+// Store scaled bitmap in line buffer
//
-
-void op_process_scaled_bitmap(int16 * backbuffer, int scanline, uint64 p0, uint64 p1, uint64 p2, int render)
+void OPProcessScaledBitmap(int scanline, uint64 p0, uint64 p1, uint64 p2, bool render)
{
-// if ((render == 0) || (op_pointer == 0) || (height < 0) || (dwidth < 0) || (ptr == 0) || (pitch == 0))
-
int32 xpos = (((int32)((p1 << 20) & 0xFFFFFFFF)) >> 20) - tom_getHBlankWidthInPixels();
- int16 ypos = ((p0 & 0x3FF8) >> 3) / 2;
+// uint16 ypos = ((p0 & 0x3FF8) >> 3) / 2;
uint16 iwidth = ((p1 >> 28) & 0x3FF) * 4;
- int16 dwidth = ((p1 >> 18) & 0x3FF) * 4; // ??? Signed or unsigned ???
- int16 height = (p0 >> 14) & 0x3FF; // ??? Signed or unsigned ???
- uint32 link = ((p0 >> 24) & 0x7FFFF) << 3;
- uint32 ptr = ((p0 >> 43) & 0x1FFFFF) << 3;
+ uint16 dwidth = ((p1 >> 18) & 0x3FF) * 4; // Unsigned!
+// uint16 height = (p0 >> 14) & 0x3FF; // Unsigned!
+// uint32 link = ((p0 >> 24) & 0x7FFFF) << 3;
+ uint32 ptr = (p0 >> 40) & 0xFFFFF8;
//unused uint32 firstPix = (p1 >> 49) & 0x3F;
uint8 flags = (p1 >> 45) & 0x0F;
uint8 idx = (p1 >> 38) & 0x7F;
uint8 pitch = (p1 >> 15) & 0x07;
uint8 bitdepth = (p1 >> 12) & 0x07;
+
int16 scanline_width = tom_getVideoModeWidth();
uint8 * tom_ram_8 = tom_get_ram_pointer();
uint8 * current_line_buffer = &tom_ram_8[0x1800];
- uint32 vscale_fixed3p5 = ((p2 >> 8) & 0xFF);
- uint32 hscale_fixed3p5 = (p2 & 0xFF);
- float vscale = (float)vscale_fixed3p5 / 32.0f, hscale = (float)hscale_fixed3p5 / 32.0f;
- op_pointer = link;
+ uint32 vscale_fixed3p5 = (p2 >> 8) & 0xFF;
+ uint32 hscale_fixed3p5 = p2 & 0xFF;
+ float vscale = (float)vscale_fixed3p5 / 32.0f, hscale = (float)hscale_fixed3p5 / 32.0f;
- if (jaguar_mainRom_crc32==0x5a5b9c68) // atari karts
+//No hacks!
+/* if (jaguar_mainRom_crc32==0x5a5b9c68) // atari karts
{
if (vscale == 0.0f)
vscale = 1.0f;
if (ypos == 0)
ypos = scanline;
- }
+ }*/
#ifdef OP_DEBUG_BMP
if (xpos == -3)
- fprintf(log_get(), "[scanline %i] %ix%i scaled to %ix%i scale (%f, %f)%i bpp pitch %i at (%i,%i) @ 0x%.8x Transluency=%s\n",
+ WriteLog("[scanline %i] %ix%i scaled to %ix%i scale (%f, %f)%i bpp pitch %i at (%i,%i) @ 0x%.8x Transluency=%s\n",
scanline, iwidth,height, (int)(iwidth*hscale), (int)(height*vscale), hscale, vscale,
op_bitmap_bit_depth[bitdepth], pitch, xpos, ypos, ptr, (flags&FLAGS_READMODIFY) ? "yes" : "no");
#endif
- if (jaguar_mainRom_crc32==0x2f032271)
- ypos += 8;
+//No hacks!
+/* if (jaguar_mainRom_crc32==0x2f032271)
+ ypos += 8;*/
- if ((render == 0) || (op_pointer == 0) || (height < 0) || (dwidth < 0) || (ptr == 0) || (pitch == 0))
+ if (!render || dwidth == 0 || ptr == 0 || pitch == 0)
return;
- if (op_bitmap_bit_depth[bitdepth]==8)
- {
- iwidth*=2;
- dwidth*=2;
- }
- if (op_bitmap_bit_depth[bitdepth]==4)
- {
- iwidth*=2;
- dwidth*=2;
- }
- if (op_bitmap_bit_depth[bitdepth]==2)
- {
- iwidth*=2;
- dwidth*=2;
- }
- if (op_bitmap_bit_depth[bitdepth]==1)
- {
- iwidth*=2;
- dwidth*=2;
- }
+ if (bitdepth <= 3) // 1, 2, 4, 8 BPP
+ iwidth *= 2, dwidth *= 2;
- uint16 scaled_width = (uint16)((float)iwidth * hscale),
- scaled_height = (uint16)((float)height * vscale);
+ uint16 scaled_width = (uint16)((float)iwidth * hscale);
if (op_bitmap_bit_depth[bitdepth] == 4) // why ?
scaled_width *= 2;
if (op_bitmap_bit_depth[bitdepth] == 1) // why ?
scaled_width *= 8;
- // seek to the good bitmap scanline
- // not sure for palettized modes
- if (op_bitmap_bit_depth[bitdepth] > 8)
- ptr += ((dwidth * op_bitmap_bit_size[bitdepth]) >> 16) * ((uint32)((scanline - ypos) / vscale));
- else
- ptr += dwidth * ((uint32)((scanline - ypos) / vscale));
-
// visible ?
- if ((scanline < ypos) || (scanline > (ypos+scaled_height)) || ((xpos+scaled_width) < 0)
- || (xpos >= scanline_width))
+/* if ((scanline < ypos) || (scanline > (ypos + scaled_height)) || ((xpos + scaled_width) < 0)
+ || (xpos >= scanline_width))*/
+ if ((xpos + scaled_width) < 0 || xpos >= scanline_width)
return;
-
+
if (xpos < 0)
{
scaled_width += xpos;
xpos = 0;
}
- if (iwidth<=0)
+ if (iwidth <= 0)
return;
- if (flags&FLAGS_HFLIP)
+ if (flags & FLAGS_HFLIP)
{
- if ((xpos<0)||((xpos-scaled_width)>=scanline_width))
+ if (xpos < 0 || (xpos-scaled_width) >= scanline_width)
return;
- if ((xpos-scaled_width)<0)
- scaled_width=xpos;
+ if ((xpos - scaled_width) < 0)
+ scaled_width = xpos;
}
else
{
- if (((xpos+scaled_width)<0)||(xpos>=scanline_width))
+ if ((xpos + scaled_width) < 0 || xpos >= scanline_width)
return;
- if ((xpos+scaled_width)>scanline_width)
- scaled_width=scanline_width-xpos;
+ if ((xpos + scaled_width) > scanline_width)
+ scaled_width = scanline_width-xpos;
}
current_line_buffer += xpos * 2;
}
}
else
- fprintf(log_get(),"(unimplemented) %i bpp scaled bitmap\n",op_bitmap_bit_depth[bitdepth]);
-}
-
-uint64 op_load_phrase(uint32 offset)
-{
- offset &= ~0x07; // 8 byte alignment
- return ((uint64)jaguar_long_read(offset) << 32) | (uint64)jaguar_long_read(offset+4);
-}
-
-//
-// Object Processor main list processing
-//
-
-void op_process_list(int16 * backbuffer, int scanline, int render)
-{
-// char * condition_to_str[8] =
-// { "==", "<", ">", "(opflag set)", "(second half line)", "?", "?", "?" };
-//WTFITF??? cnt_bitmap = 0;
-
- if (scanline < tom_get_vdb())
- return;
-
- if (scanline >= 525)//tom_getVideoModeHeight()+tom_get_vdb())
- return;
-
- op_pointer = op_get_list_pointer();
-
- objectp_stop_reading_list = 0;
-//WTFITF??? cnt = 0;
-
-// if (op_pointer) fprintf(log_get()," new op list at 0x%.8x scanline %i\n",op_pointer,scanline);
- while (op_pointer)
- {
- if (objectp_stop_reading_list)
- return;
-
- uint64 p0 = op_load_phrase(op_pointer);
- op_pointer += 8;
-/*if (scanline == tom_get_vdb())
-{
-fprintf(log_get(), "%08X --> phrase %08X %08X", op_pointer - 8, (int)(p0>>32), (int)(p0&0xFFFFFFFF));
-if ((p0 & 0x07) == OBJECT_TYPE_BITMAP)
-{
-fprintf(log_get(), " (BITMAP) ");
-uint64 p1 = op_load_phrase(op_pointer);
-fprintf(log_get(), "\n%08X --> phrase %08X %08X ", op_pointer, (int)(p1>>32), (int)(p1&0xFFFFFFFF));
- uint8 bitdepth = (p1 >> 12) & 0x07;
- int16 ypos = ((p0 >> 3) & 0x3FF); // ??? What if not interlaced (/2)?
-// int32 xpos = (((int32)((p1 << 20) & 0xFFFFFFFF)) >> 20);
-int32 xpos = p1 & 0xFFF;
-xpos = (xpos & 0x800 ? xpos | 0xFFFFF000 : xpos);
- uint32 iwidth = ((p1 >> 28) & 0x3FF);
- uint32 dwidth = ((p1 >> 18) & 0x3FF); // ??? Should it be signed or unsigned ???
- int16 height = ((p0 >> 14) & 0x3FF) - 1;
- 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;
-fprintf(log_get(), "[%u (%u) x %u @ %i, %u (%u bpp), l: %08X, p: %08X fp: %02X, fl:%02X, idx:%02X, pt:%02X]\n", iwidth, dwidth, height, xpos, ypos, op_bitmap_bit_depth[bitdepth], link, ptr, firstPix, flags, idx, pitch);
-uint8 * jaguar_mainRam = GetRamPtr();
-fprintf(log_get(), "[RAM] --> ");
-for(int k=0; k<16; k++)
- fprintf(log_get(), "%02X ", jaguar_mainRam[op_pointer-8 + k]);
-fprintf(log_get(), "\n");
-}
-if ((p0 & 0x07) == OBJECT_TYPE_SCALE)
-{
-fprintf(log_get(), " (SCALED BITMAP)\n");
-}
-if ((p0 & 0x07) == OBJECT_TYPE_GPU)
-fprintf(log_get(), " (GPU)\n");
-if ((p0 & 0x07) == OBJECT_TYPE_BRANCH)
-{
-fprintf(log_get(), " (BRANCH)\n");
-uint8 * jaguar_mainRam = GetRamPtr();
-fprintf(log_get(), "[RAM] --> ");
-for(int k=0; k<8; k++)
- fprintf(log_get(), "%02X ", jaguar_mainRam[op_pointer-8 + k]);
-fprintf(log_get(), "\n");
-}
-if ((p0 & 0x07) == OBJECT_TYPE_STOP)
-fprintf(log_get(), " --> List end\n");
-}*/
-
-// fprintf(log_get(),"0x%.8x type %i\n",op_pointer,((uint8)p0&0x07));
- switch ((uint8)p0 & 0x07)
- {
- case OBJECT_TYPE_BITMAP:
- {
- uint64 p1 = op_load_phrase(op_pointer);
- op_pointer += 8;
- op_process_bitmap(backbuffer, scanline, p0, p1, render);
- break;
- }
- case OBJECT_TYPE_SCALE:
- {
- uint64 p1 = op_load_phrase(op_pointer);
- op_pointer += 8;
- uint64 p2 = op_load_phrase(op_pointer);
- op_pointer += 8;
- op_process_scaled_bitmap(backbuffer, scanline, p0, p1, p2, render);
- break;
- }
- case OBJECT_TYPE_GPU:
- {
-//unused uint64 data = p0 >> 3;
- op_set_current_object(p0);
- gpu_set_irq_line(3, 1);
- break;
- }
- case OBJECT_TYPE_BRANCH:
- {
- uint16 vcnt = (p0 >> 3) & 0x7FF;
- uint8 cc = (p0 >> 14) & 0x03;
- uint32 link = ((p0 >> 24) & 0x1FFFFF) << 3;
-
-// if ((vcnt!=507)&&(vcnt!=25))
-// fprintf(log_get(),"\t%i%s%i link=0x%.8x\n",scanline,condition_to_str[cc],vcnt>>1,link);
- switch (cc)
- {
- case CONDITION_EQUAL:
- if ((vcnt != 0x7FF) && (vcnt & 0x01))
- vcnt ^= 0x01;
- if (((2 * tom_get_scanline()) == vcnt) || (vcnt == 0x7FF))
- op_pointer = link;
- break;
- case CONDITION_LESS_THAN:
- if ((2 * tom_get_scanline()) < vcnt)
- op_pointer = link;
- break;
- case CONDITION_GREATER_THAN:
- if ((2 * tom_get_scanline()) > vcnt)
- op_pointer = link;
- break;
- case CONDITION_OP_FLAG_SET:
- if (op_get_status_register() & 0x01)
- op_pointer = link;
- break;
- case CONDITION_SECOND_HALF_LINE:
- fprintf(log_get(), "op: unexpected CONDITION_SECOND_HALF_LINE in BRANCH object\nop: shuting down\n");
- fclose(log_get());
- exit(0);
- break;
- default:
- fprintf(log_get(),"op: unimplemented branch condition %i\n", cc);
- }
- break;
- }
- case OBJECT_TYPE_STOP:
- {
- // unsure
- op_set_status_register(((p0>>3) & 0xFFFFFFFF));
-
- if (p0 & 0x8)
- {
- tom_set_pending_object_int();
- if ((tom_irq_enabled(2)) && (jaguar_interrupt_handler_is_valid(64)))
- {
-// s68000interrupt(7,64);
-// s68000flushInterrupts();
- m68k_set_irq(7); // Cause an NMI to occur...
- }
- }
-
- return;
- break;
- }
- default:
- fprintf(log_get(),"op: unknown object type %i\n", ((uint8)p0 & 0x07));
- return;
- }
- }
-}
-
-//
-// Object Processor initialization
-//
-
-void op_init(void)
-{
- memory_malloc_secure((void **)&op_blend_y, 0x10000, "Jaguar Object processor Y blend lookup table");
- memory_malloc_secure((void **)&op_blend_cc, 0x10000, "Jaguar Object processor C blend lookup table");
-
- for(int i=0; i<256*256; i++)
- {
- int y = (i >> 8) & 0xFF;
- int dy = (int8)(i & 0xFF);
- y += dy;
- if (y < 0)
- y = 0;
- else if (y > 0xFF)
- y = 0xFF;
- op_blend_y[i] = y;
- }
-
- for(int i=0; i<256*256; i++)
- {
- int cl = (i >> 8) & 0xFF;
- int dcl = (int8)(i & 0xFF);
- cl += dcl;
- if (cl < 0)
- cl = 0;
- else if (cl > 0xFF)
- cl = 0xFF;
- op_blend_cc[i] = cl;
- }
- op_reset();
-}
-
-//
-// Object Processor reset
-//
-
-void op_reset(void)
-{
- memset(objectp_ram, 0x00, 0x40);
- objectp_running = 0;
-}
-
-void op_done(void)
-{
-}
-
-void op_byte_write(uint32 offset, uint8 data)
-{
- offset &= 0x3F;
- objectp_ram[offset] = data;
-}
-
-void op_word_write(uint32 offset, uint16 data)
-{
- offset &= 0x3F;
- objectp_ram[offset] = (data >> 8) & 0xFF;
- objectp_ram[offset+1] = data & 0xFF;
-
-/*if (offset == 0x20)
-fprintf(log_get(), "OP: Setting lo list pointer: %04X\n", data);
-if (offset == 0x22)
-fprintf(log_get(), "OP: Setting hi list pointer: %04X\n", data);//*/
-}
-
-// Memory range: F00010 - F00027
-
-uint8 op_byte_read(uint32 offset)
-{
- offset &= 0x3F;
- return objectp_ram[offset];
-}
-
-uint16 op_word_read(uint32 offset)
-{
- return (objectp_ram[offset & 0x3F] << 8) | objectp_ram[(offset+1) & 0x3F];
-}
-
-// F00010-F00017 R xxxxxxxx xxxxxxxx OB - current object code from the graphics processor
-// F00020-F00023 W xxxxxxxx xxxxxxxx OLP - start of the object list
-// F00026 W -------- -------x OBF - object processor flag
-
-uint32 op_get_list_pointer(void)
-{
- // Note: This register is WORD swapped, hence the funky look of this...
-/* uint32 ptr = objectp_ram[0x22];
- ptr <<= 8;
- ptr |= objectp_ram[0x23];
- ptr <<= 8;
- ptr |= objectp_ram[0x20];
- ptr <<= 8;
- ptr |= objectp_ram[0x21];
-fprintf(log_get(), "OP: Getting list pointer: %08X\n", (unsigned int)ptr);
- ptr &= ~0x07;
-
- return ptr;//*/
- return (objectp_ram[0x22] << 24) | (objectp_ram[0x23] << 16) | (objectp_ram[0x20] << 8) | objectp_ram[0x21];
-}
-
-uint32 op_get_status_register(void)
-{
-/* uint32 ptr = objectp_ram[0x26];
- ptr <<= 8;
- ptr |= objectp_ram[0x27];
- ptr <<= 8;
- ptr |= objectp_ram[0x28];
- ptr <<= 8;
- ptr |= objectp_ram[0x29];
-
- return ptr;//*/
- return (objectp_ram[0x26] << 24) | (objectp_ram[0x27] << 16) | (objectp_ram[0x28] << 8) | objectp_ram[0x29];
-}
-
-void op_set_status_register(uint32 data)
-{
- objectp_ram[0x26] = (data & 0xFF000000) >> 24;
- objectp_ram[0x27] = (data & 0x00FF0000) >> 16;
- objectp_ram[0x28] = (data & 0x0000FF00) >> 8;
- objectp_ram[0x29] |= (data & 0xFE);
-}
-
-void op_set_current_object(uint64 object)
-{
-/*
- 32 28 24 20 16 12 8 4 0
- +--------^---------^---------^--------^--------^--------^--------^--------+
-0 | object-data |
- +-------------------------------------------------------------------------+
-
- 64 60 56 52 48 44 40 36 32
- +--------^---------^---------^--------^--------^--------^--------^--------+
-1 | object-data |
- +-------------------------------------------------------------------------+
-*/
- // Stored as least significant 32 bits first, ms32 last in big endian
- objectp_ram[0x13] = object & 0xFF; object >>= 8;
- objectp_ram[0x12] = object & 0xFF; object >>= 8;
- objectp_ram[0x11] = object & 0xFF; object >>= 8;
- objectp_ram[0x10] = object & 0xFF; object >>= 8;
-
- objectp_ram[0x17] = object & 0xFF; object >>= 8;
- objectp_ram[0x16] = object & 0xFF; object >>= 8;
- objectp_ram[0x15] = object & 0xFF; object >>= 8;
- objectp_ram[0x14] = object & 0xFF;
+ WriteLog("(unimplemented) %i bpp scaled bitmap\n",op_bitmap_bit_depth[bitdepth]);
}
projects / virtualjaguar / blobdiff