#define INTENSITYINC ((UINT32)0x70)
#define ZINC ((UINT32)0x74)
#define COLLISIONCTRL ((UINT32)0x78)
-#define PHRASEINT3 ((UINT32)0x7C)
-#define PHRASEINT2 ((UINT32)0x80)
-#define PHRASEINT1 ((UINT32)0x84)
-#define PHRASEINT0 ((UINT32)0x88)
-#define PHRASEZ3 ((UINT32)0x8C)
-#define PHRASEZ2 ((UINT32)0x90)
-#define PHRASEZ1 ((UINT32)0x94)
-#define PHRASEZ0 ((UINT32)0x98)
+#define PHRASEINT0 ((UINT32)0x7C)
+#define PHRASEINT1 ((UINT32)0x80)
+#define PHRASEINT2 ((UINT32)0x84)
+#define PHRASEINT3 ((UINT32)0x88)
+#define PHRASEZ0 ((UINT32)0x8C)
+#define PHRASEZ1 ((UINT32)0x90)
+#define PHRASEZ2 ((UINT32)0x94)
+#define PHRASEZ3 ((UINT32)0x98)
// Blitter command bits
// as a floating point bit pattern being followed by a number of zeroes. So, e.g., 001101 translates to
// 1.01 (the "1." being implied) x (2 ^ 3) or 1010 -> 10 in base 10 (i.e., 1.01 with the decimal place
// being shifted to the right 3 places).
-static uint32 blitter_scanline_width[48] =
+/*static uint32 blitter_scanline_width[48] =
{
0, 0, 0, 0, // Note: This would really translate to 1, 1, 1, 1
2, 0, 0, 0,
512, 640, 768, 896,
1024, 1280, 1536, 1792,
2048, 2560, 3072, 3584
-};
+};//*/
//static uint8 * tom_ram_8;
//static uint8 * paletteRam;
// compute the write data and store
if (!inhibit)
{
+// Houston, we have a problem...
+// Look here, at PATDSEL and GOURD. If both are active (as they are on the BIOS intro), then there's
+// a conflict! E.g.:
+//Blit! (00100000 <- 000095D0) count: 3 x 1, A1/2_FLAGS: 00014220/00004020 [cmd: 00011008]
+// CMD -> src: dst: DSTEN misc: a1ctl: mode: GOURD ity: PATDSEL z-op: op: LFU_CLEAR ctrl:
+// A1 -> pitch: 1 phrases, depth: 16bpp, z-off: 0, width: 320 (21), addctl: XADDPIX YADD0 XSIGNADD YSIGNADD
+// A2 -> pitch: 1 phrases, depth: 16bpp, z-off: 0, width: 256 (20), addctl: XADDPHR YADD0 XSIGNADD YSIGNADD
+// A1 x/y: 90/171, A2 x/y: 808/0 Pattern: 776D770077007700
+
if (PATDSEL)
{
// use pattern data for write data
if (LFU_A) writedata |= srcdata & dstdata;
}
+//Although, this looks like it's OK... (even if it is shitty!)
if (GOURD)
writedata = ((gd_c[colour_index]) << 8) | (gd_i[colour_index] >> 16);
}//*/
// write to the destination
WRITE_PIXEL(a2, REG(A2_FLAGS), writedata);
+
if (DSTWRZ)
WRITE_ZDATA(a2, REG(A2_FLAGS), srczdata);
}
if (GOURD || SRCSHADE)
{
gd_i[colour_index] += gd_ia;
+//Hmm, this doesn't seem to do anything...
+//But it is correct according to the JTRM...!
+if ((int32)gd_i[colour_index] < 0)
+ gd_i[colour_index] = 0;
+if (gd_i[colour_index] > 0x00FFFFFF)
+ gd_i[colour_index] = 0x00FFFFFF;//*/
+
gd_c[colour_index] += gd_ca;
+if ((int32)gd_c[colour_index] < 0)
+ gd_c[colour_index] = 0;
+if (gd_c[colour_index] > 0x000000FF)
+ gd_c[colour_index] = 0x000000FF;//*/
}
+
if (GOURD || SRCSHADE || GOURZ)
{
if (a1_phrase_mode)
+//This screws things up WORSE (for the BIOS opening screen)
+// if (a1_phrase_mode || a2_phrase_mode)
colour_index = (colour_index + 1) & 0x03;
}
}
a2_psize = 1 << ((REG(A2_FLAGS) >> 3) & 0x07);
a1_psize = 1 << ((REG(A1_FLAGS) >> 3) & 0x07);
- // zbuffering
+ // Z-buffering
if (GOURZ)
{
- zadd = JaguarReadLong(0xF02274, BLITTER);
+// zadd = JaguarReadLong(0xF02274, BLITTER);
+ zadd = REG(ZINC);
- for(int v=0; v<4; v++)
- z_i[v] = (int32)JaguarReadLong(0xF0228C + (v << 2), BLITTER);
+ for(int v=0; v<4; v++)
+// z_i[v] = (int32)JaguarReadLong(0xF0228C + (v << 2), BLITTER);
+ z_i[v] = REG(PHRASEZ0 + v*4);
}
+
+ // Gouraud shading
if (GOURD || GOURZ || SRCSHADE)
{
- // gouraud shading
- gouraud_add = JaguarReadLong(0xF02270, BLITTER);
-
- gd_c[0] = JaguarReadByte(0xF02268, BLITTER);
+/* gd_c[0] = JaguarReadByte(0xF02268, BLITTER);
gd_i[0] = JaguarReadByte(0xF02269, BLITTER);
gd_i[0] <<= 16;
- gd_i[0] |= JaguarReadWord(0xF02240, BLITTER);
+ gd_i[0] |= JaguarReadWord(0xF02240, BLITTER);//*/
+ gd_c[0] = blitter_ram[PATTERNDATA + 0];
+ gd_i[0] = ((uint32)blitter_ram[PATTERNDATA + 1] << 16)
+ | ((uint32)blitter_ram[SRCDATA + 0] << 8) | blitter_ram[SRCDATA + 1];
- gd_c[1] = JaguarReadByte(0xF0226A, BLITTER);
+/* gd_c[1] = JaguarReadByte(0xF0226A, BLITTER);
gd_i[1] = JaguarReadByte(0xF0226B, BLITTER);
gd_i[1] <<= 16;
- gd_i[1] |= JaguarReadWord(0xF02242, BLITTER);
+ gd_i[1] |= JaguarReadWord(0xF02242, BLITTER);//*/
+ gd_c[1] = blitter_ram[PATTERNDATA + 2];
+ gd_i[1] = ((uint32)blitter_ram[PATTERNDATA + 3] << 16)
+ | ((uint32)blitter_ram[SRCDATA + 2] << 8) | blitter_ram[SRCDATA + 3];
- gd_c[2] = JaguarReadByte(0xF0226C, BLITTER);
+/* gd_c[2] = JaguarReadByte(0xF0226C, BLITTER);
gd_i[2] = JaguarReadByte(0xF0226D, BLITTER);
gd_i[2] <<= 16;
- gd_i[2] |= JaguarReadWord(0xF02244, BLITTER);
+ gd_i[2] |= JaguarReadWord(0xF02244, BLITTER);//*/
+ gd_c[2] = blitter_ram[PATTERNDATA + 4];
+ gd_i[2] = ((uint32)blitter_ram[PATTERNDATA + 5] << 16)
+ | ((uint32)blitter_ram[SRCDATA + 4] << 8) | blitter_ram[SRCDATA + 5];
- gd_c[3] = JaguarReadByte(0xF0226E, BLITTER);
+/* gd_c[3] = JaguarReadByte(0xF0226E, BLITTER);
gd_i[3] = JaguarReadByte(0xF0226F, BLITTER);
gd_i[3] <<= 16;
- gd_i[3] |= JaguarReadWord(0xF02246, BLITTER);
+ gd_i[3] |= JaguarReadWord(0xF02246, BLITTER);//*/
+ gd_c[3] = blitter_ram[PATTERNDATA + 6];
+ gd_i[3] = ((uint32)blitter_ram[PATTERNDATA + 7] << 16)
+ | ((uint32)blitter_ram[SRCDATA + 6] << 8) | blitter_ram[SRCDATA + 7];
- gd_ia = gouraud_add & 0xFFFFFF;
- if (gd_ia & 0x800000)
+// gouraud_add = JaguarReadLong(0xF02270, BLITTER);
+ gouraud_add = REG(INTENSITYINC);
+
+ gd_ia = gouraud_add & 0x00FFFFFF;
+ if (gd_ia & 0x00800000)
gd_ia = 0xFF000000 | gd_ia;
- gd_ca = (gouraud_add>>24) & 0xFF;
- if (gd_ca & 0x80)
+ gd_ca = (gouraud_add >> 24) & 0xFF;
+ if (gd_ca & 0x00000080)
gd_ca = 0xFFFFFF00 | gd_ca;
}
if (a2_step_x < 0)
a2_step_x = (-n_pixels) * 65536;;
- }
- else
- // fix for wolfenstein 3d
- if (jaguar_mainRom_crc32==0x3966698f)
- {
- if (n_pixels==24)
- {
- if ((a1_step_x / 65536)==-28)
- {
- a1_step_x=-24*65536; // au lieu de -28
- a2_step_x= 0*65536; // au lieu de -8
- }
- }
- }
- else
- // fix for Tempest 2000
- if (jaguar_mainRom_crc32==0x32816d44)
- {
-
- if ((n_lines!=1)&&((n_pixels==288)||(n_pixels==384)))
- {
- WriteLog("Blit!\n");
- WriteLog(" cmd = 0x%.8x\n",cmd);
- WriteLog(" a1_base = %08X\n", a1_addr);
- WriteLog(" a1_pitch = %d\n", a1_pitch);
- WriteLog(" a1_psize = %d\n", a1_psize);
- WriteLog(" a1_width = %d\n", a1_width);
- WriteLog(" a1_xadd = %f (phrase=%d)\n", (float)a1_xadd / 65536.0, a1_phrase_mode);
- WriteLog(" a1_yadd = %f\n", (float)a1_yadd / 65536.0);
- WriteLog(" a1_xstep = %f\n", (float)a1_step_x / 65536.0);
- WriteLog(" a1_ystep = %f\n", (float)a1_step_y / 65536.0);
- WriteLog(" a1_x = %f\n", (float)a1_x / 65536.0);
- WriteLog(" a1_y = %f\n", (float)a1_y / 65536.0);
- WriteLog(" a1_zoffs = %i\n",a1_zoffs);
-
- WriteLog(" a2_base = %08X\n", a2_addr);
- WriteLog(" a2_pitch = %d\n", a2_pitch);
- WriteLog(" a2_psize = %d\n", a2_psize);
- WriteLog(" a2_width = %d\n", a2_width);
- WriteLog(" a2_xadd = %f (phrase=%d)\n", (float)a2_xadd / 65536.0, a2_phrase_mode);
- WriteLog(" a2_yadd = %f\n", (float)a2_yadd / 65536.0);
- WriteLog(" a2_xstep = %f\n", (float)a2_step_x / 65536.0);
- WriteLog(" a2_ystep = %f\n", (float)a2_step_y / 65536.0);
- WriteLog(" a2_x = %f\n", (float)a2_x / 65536.0);
- WriteLog(" a2_y = %f\n", (float)a2_y / 65536.0);
- WriteLog(" a2_mask_x= 0x%.4x\n",a2_mask_x);
- WriteLog(" a2_mask_y= 0x%.4x\n",a2_mask_y);
- WriteLog(" a2_zoffs = %i\n",a2_zoffs);
-
- WriteLog(" count = %d x %d\n", n_pixels, n_lines);
-
- WriteLog(" command = %08X\n", cmd);
- WriteLog(" dsten = %i\n",DSTEN);
- WriteLog(" srcen = %i\n",SRCEN);
- WriteLog(" patdsel = %i\n",PATDSEL);
- WriteLog(" color = 0x%.8x\n",REG(PATTERNDATA));
- WriteLog(" dcompen = %i\n",DCOMPEN);
- WriteLog(" bcompen = %i\n",BCOMPEN);
- WriteLog(" cmpdst = %i\n",CMPDST);
- WriteLog(" GOURZ = %i\n",GOURZ);
- WriteLog(" GOURD = %i\n",GOURD);
- WriteLog(" SRCSHADE = %i\n",SRCSHADE);
- WriteLog(" DSTDATA = 0x%.8x%.8x\n",REG(DSTDATA),REG(DSTDATA+4));
- }
}//*/
#ifdef LOG_BLITS
*/
extern int blit_start_log;
-extern int op_start_log;
+//extern int op_start_log;
if (blit_start_log)
{
char * ctrlStr[4] = { "XADDPHR\0", "XADDPIX\0", "XADD0\0", "XADDINC\0" };
char * bppStr[8] = { "1bpp\0", "2bpp\0", "4bpp\0", "8bpp\0", "16bpp\0", "32bpp\0", "???\0", "!!!\0" };
char * opStr[16] = { "LFU_CLEAR", "LFU_NSAND", "LFU_NSAD", "LFU_NOTS", "LFU_SAND", "LFU_NOTD", "LFU_N_SXORD", "LFU_NSORND",
"LFU_SAD", "LFU_XOR", "LFU_D", "LFU_NSORD", "LFU_REPLACE", "LFU_SORND", "LFU_SORD", "LFU_ONE" };
- uint32 src = cmd & 0x07, dst = (cmd >> 3) & 0x07, misc = (cmd >> 6) & 0x03,
- a1ctl = (cmd >> 8) & 0x07, mode = (cmd >> 11) & 0x07, ity = (cmd >> 14) & 0x0F,
- zop = (cmd >> 18) & 0x07, op = (cmd >> 21) & 0x0F, ctrl = (cmd >> 25) & 0x3F;
+ uint32 /*src = cmd & 0x07, dst = (cmd >> 3) & 0x07, misc = (cmd >> 6) & 0x03,
+ a1ctl = (cmd >> 8) & 0x07,*/ mode = (cmd >> 11) & 0x07/*, ity = (cmd >> 14) & 0x0F,
+ zop = (cmd >> 18) & 0x07, op = (cmd >> 21) & 0x0F, ctrl = (cmd >> 25) & 0x3F*/;
UINT32 a1f = REG(A1_FLAGS), a2f = REG(A2_FLAGS);
uint32 p1 = a1f & 0x07, p2 = a2f & 0x07,
d1 = (a1f >> 3) & 0x07, d2 = (a2f >> 3) & 0x07,
WriteLog(" A1 -> pitch: %d phrases, depth: %s, z-off: %d, width: %d (%02X), addctl: %s %s %s %s\n", 1 << p1, bppStr[d1], zo1, iw1, w1, ctrlStr[ac1&0x03], (ac1&0x04 ? "YADD1" : "YADD0"), (ac1&0x08 ? "XSIGNSUB" : "XSIGNADD"), (ac1&0x10 ? "YSIGNSUB" : "YSIGNADD"));
WriteLog(" A2 -> pitch: %d phrases, depth: %s, z-off: %d, width: %d (%02X), addctl: %s %s %s %s\n", 1 << p2, bppStr[d2], zo2, iw2, w2, ctrlStr[ac2&0x03], (ac2&0x04 ? "YADD1" : "YADD0"), (ac2&0x08 ? "XSIGNSUB" : "XSIGNADD"), (ac2&0x10 ? "YSIGNSUB" : "YSIGNADD"));
- WriteLog(" A1 x/y: %d/%d, A2 x/y: %d/%d\n", a1_x >> 16, a1_y >> 16, a2_x >> 16, a2_y >> 16);
+ WriteLog(" A1 x/y: %d/%d, A2 x/y: %d/%d Pattern: %08X%08X\n", a1_x >> 16, a1_y >> 16, a2_x >> 16, a2_y >> 16, REG(PATTERNDATA), REG(PATTERNDATA + 4));
// blit_start_log = 0;
// op_start_log = 1;
}
//Attempted fix for AvP:
if (offset >= 0x04 && offset <= 0x07)
- return (offset > 0x05 ? blitter_ram[PIXLINECOUNTER + offset - 0x04] : 0x00);
+// return (offset > 0x05 ? blitter_ram[PIXLINECOUNTER + offset - 0x04] : 0x00);
// return 0x00; // WO register! What does it expect to see here???
+//This is it. I wonder if it just ignores the lower three bits?
+ return blitter_ram[A1_PIXEL + offset - 0x04];
return blitter_ram[offset];
}
offset &= 0xFF;
// if ((offset >= 0x7C) && (offset <= 0x9B))
- if ((offset >= 0x7C) && (offset <= 0x8B))
+ // This handles writes to INTENSITY0-3 by also writing them to their proper places in
+ // PATTERNDATA & SOURCEDATA (should do the same for the Z registers! !!! FIX !!! [DONE])
+ if ((offset >= 0x7C) && (offset <= 0x9B))//8B))
{
switch (offset)
{
+ // INTENSITY registers 0-3
case 0x7C: break;
- case 0x7D: blitter_ram[0x69] = data; break;
- case 0x7E: blitter_ram[0x40] = data; break;
- case 0x7F: blitter_ram[0x41] = data; break;
+ case 0x7D: blitter_ram[PATTERNDATA + 1] = data; break;
+ case 0x7E: blitter_ram[SRCDATA + 0] = data; break;
+ case 0x7F: blitter_ram[SRCDATA + 1] = data; break;
case 0x80: break;
- case 0x81: blitter_ram[0x6B] = data; break;
- case 0x82: blitter_ram[0x42] = data; break;
- case 0x83: blitter_ram[0x43] = data; break;
+ case 0x81: blitter_ram[PATTERNDATA + 3] = data; break;
+ case 0x82: blitter_ram[SRCDATA + 2] = data; break;
+ case 0x83: blitter_ram[SRCDATA + 3] = data; break;
case 0x84: break;
- case 0x85: blitter_ram[0x6D] = data; break;
- case 0x86: blitter_ram[0x44] = data; break;
- case 0x87: blitter_ram[0x45] = data; break;
+ case 0x85: blitter_ram[PATTERNDATA + 5] = data; break;
+ case 0x86: blitter_ram[SRCDATA + 4] = data; break;
+ case 0x87: blitter_ram[SRCDATA + 5] = data; break;
case 0x88: break;
- case 0x89: blitter_ram[0x6F] = data; break;
-//Mistyped?
-// case 0x9A: blitter_ram[0x46] = data; break;
-// case 0x9B: blitter_ram[0x47] = data; break;
- case 0x8A: blitter_ram[0x46] = data; break;
- case 0x8B: blitter_ram[0x47] = data; break;
+ case 0x89: blitter_ram[PATTERNDATA + 7] = data; break;
+ case 0x8A: blitter_ram[SRCDATA + 6] = data; break;
+ case 0x8B: blitter_ram[SRCDATA + 7] = data; break;
+
+ // Z registers 0-3
+ case 0x8C: blitter_ram[SRCZINT + 0] = data; break;
+ case 0x8D: blitter_ram[SRCZINT + 1] = data; break;
+ case 0x8E: blitter_ram[SRCZFRAC + 0] = data; break;
+ case 0x8F: blitter_ram[SRCZFRAC + 1] = data; break;
+
+ case 0x90: blitter_ram[SRCZINT + 2] = data; break;
+ case 0x91: blitter_ram[SRCZINT + 3] = data; break;
+ case 0x92: blitter_ram[SRCZFRAC + 2] = data; break;
+ case 0x93: blitter_ram[SRCZFRAC + 3] = data; break;
+
+ case 0x94: blitter_ram[SRCZINT + 4] = data; break;
+ case 0x95: blitter_ram[SRCZINT + 5] = data; break;
+ case 0x96: blitter_ram[SRCZFRAC + 4] = data; break;
+ case 0x97: blitter_ram[SRCZFRAC + 5] = data; break;
+
+ case 0x98: blitter_ram[SRCZINT + 6] = data; break;
+ case 0x99: blitter_ram[SRCZINT + 7] = data; break;
+ case 0x9A: blitter_ram[SRCZFRAC + 6] = data; break;
+ case 0x9B: blitter_ram[SRCZFRAC + 7] = data; break;
}
}
if ((offset & 0xFF) == 0x3A)
// I.e., the second write of 32-bit value--not convinced this is the best way to do this!
// But then again, according to the Jaguar docs, this is correct...!
+{
+/*extern int blit_start_log;
+extern bool doGPUDis;
+if (blit_start_log)
+{
+ WriteLog("BLIT: Blitter started by %s...\n", whoName[who]);
+ doGPUDis = true;
+}//*/
blitter_blit(GET32(blitter_ram, 0x38));
}
+}
//F02278,9,A,B
void BlitterWriteLong(uint32 offset, uint32 data, uint32 who/*=UNKNOWN*/)
projects / virtualjaguar / commitdiff