// to Curt. ;-) Without that excellent documentation which shows *exactly*
// what's going on inside the TOM chip, we'd all still be guessing as to how
// the wily blitter and other pieces of the Jaguar puzzle actually work.
+// Now how about those JERRY ASIC nets gentlemen...? ;-)
//
-#include "jaguar.h"
#include "blitter.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "jaguar.h"
+#include "log.h"
+
// Various conditional compilation goodies...
//#define USE_ORIGINAL_BLITTER
// Blitter registers (offsets from F02200)
-#define A1_BASE ((UINT32)0x00)
-#define A1_FLAGS ((UINT32)0x04)
-#define A1_CLIP ((UINT32)0x08) // Height and width values for clipping
-#define A1_PIXEL ((UINT32)0x0C) // Integer part of the pixel (Y.i and X.i)
-#define A1_STEP ((UINT32)0x10) // Integer part of the step
-#define A1_FSTEP ((UINT32)0x14) // Fractional part of the step
-#define A1_FPIXEL ((UINT32)0x18) // Fractional part of the pixel (Y.f and X.f)
-#define A1_INC ((UINT32)0x1C) // Integer part of the increment
-#define A1_FINC ((UINT32)0x20) // Fractional part of the increment
-#define A2_BASE ((UINT32)0x24)
-#define A2_FLAGS ((UINT32)0x28)
-#define A2_MASK ((UINT32)0x2C) // Modulo values for x and y (M.y and M.x)
-#define A2_PIXEL ((UINT32)0x30) // Integer part of the pixel (no fractional part for A2)
-#define A2_STEP ((UINT32)0x34) // Integer part of the step (no fractional part for A2)
-#define COMMAND ((UINT32)0x38)
-#define PIXLINECOUNTER ((UINT32)0x3C) // Inner & outer loop values
-#define SRCDATA ((UINT32)0x40)
-#define DSTDATA ((UINT32)0x48)
-#define DSTZ ((UINT32)0x50)
-#define SRCZINT ((UINT32)0x58)
-#define SRCZFRAC ((UINT32)0x60)
-#define PATTERNDATA ((UINT32)0x68)
-#define INTENSITYINC ((UINT32)0x70)
-#define ZINC ((UINT32)0x74)
-#define COLLISIONCTRL ((UINT32)0x78)
-#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)
+#define A1_BASE ((uint32)0x00)
+#define A1_FLAGS ((uint32)0x04)
+#define A1_CLIP ((uint32)0x08) // Height and width values for clipping
+#define A1_PIXEL ((uint32)0x0C) // Integer part of the pixel (Y.i and X.i)
+#define A1_STEP ((uint32)0x10) // Integer part of the step
+#define A1_FSTEP ((uint32)0x14) // Fractional part of the step
+#define A1_FPIXEL ((uint32)0x18) // Fractional part of the pixel (Y.f and X.f)
+#define A1_INC ((uint32)0x1C) // Integer part of the increment
+#define A1_FINC ((uint32)0x20) // Fractional part of the increment
+#define A2_BASE ((uint32)0x24)
+#define A2_FLAGS ((uint32)0x28)
+#define A2_MASK ((uint32)0x2C) // Modulo values for x and y (M.y and M.x)
+#define A2_PIXEL ((uint32)0x30) // Integer part of the pixel (no fractional part for A2)
+#define A2_STEP ((uint32)0x34) // Integer part of the step (no fractional part for A2)
+#define COMMAND ((uint32)0x38)
+#define PIXLINECOUNTER ((uint32)0x3C) // Inner & outer loop values
+#define SRCDATA ((uint32)0x40)
+#define DSTDATA ((uint32)0x48)
+#define DSTZ ((uint32)0x50)
+#define SRCZINT ((uint32)0x58)
+#define SRCZFRAC ((uint32)0x60)
+#define PATTERNDATA ((uint32)0x68)
+#define INTENSITYINC ((uint32)0x70)
+#define ZINC ((uint32)0x74)
+#define COLLISIONCTRL ((uint32)0x78)
+#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
//Put 'em back, once we fix the problem!!! [KO]
// 1 bpp pixel read
#define PIXEL_SHIFT_1(a) (((~a##_x) >> 16) & 7)
-#define PIXEL_OFFSET_1(a) (((((UINT32)a##_y >> 16) * a##_width / 8) + (((UINT32)a##_x >> 19) & ~7)) * (1 + a##_pitch) + (((UINT32)a##_x >> 19) & 7))
+#define PIXEL_OFFSET_1(a) (((((uint32)a##_y >> 16) * a##_width / 8) + (((uint32)a##_x >> 19) & ~7)) * (1 + a##_pitch) + (((uint32)a##_x >> 19) & 7))
#define READ_PIXEL_1(a) ((JaguarReadByte(a##_addr+PIXEL_OFFSET_1(a), BLITTER) >> PIXEL_SHIFT_1(a)) & 0x01)
//#define READ_PIXEL_1(a) ((JaguarReadByte(a##_addr+PIXEL_OFFSET_1(a)) >> PIXEL_SHIFT_1(a)) & 0x01)
// 2 bpp pixel read
#define PIXEL_SHIFT_2(a) (((~a##_x) >> 15) & 6)
-#define PIXEL_OFFSET_2(a) (((((UINT32)a##_y >> 16) * a##_width / 4) + (((UINT32)a##_x >> 18) & ~7)) * (1 + a##_pitch) + (((UINT32)a##_x >> 18) & 7))
+#define PIXEL_OFFSET_2(a) (((((uint32)a##_y >> 16) * a##_width / 4) + (((uint32)a##_x >> 18) & ~7)) * (1 + a##_pitch) + (((uint32)a##_x >> 18) & 7))
#define READ_PIXEL_2(a) ((JaguarReadByte(a##_addr+PIXEL_OFFSET_2(a), BLITTER) >> PIXEL_SHIFT_2(a)) & 0x03)
//#define READ_PIXEL_2(a) ((JaguarReadByte(a##_addr+PIXEL_OFFSET_2(a)) >> PIXEL_SHIFT_2(a)) & 0x03)
// 4 bpp pixel read
#define PIXEL_SHIFT_4(a) (((~a##_x) >> 14) & 4)
-#define PIXEL_OFFSET_4(a) (((((UINT32)a##_y >> 16) * (a##_width/2)) + (((UINT32)a##_x >> 17) & ~7)) * (1 + a##_pitch) + (((UINT32)a##_x >> 17) & 7))
+#define PIXEL_OFFSET_4(a) (((((uint32)a##_y >> 16) * (a##_width/2)) + (((uint32)a##_x >> 17) & ~7)) * (1 + a##_pitch) + (((uint32)a##_x >> 17) & 7))
#define READ_PIXEL_4(a) ((JaguarReadByte(a##_addr+PIXEL_OFFSET_4(a), BLITTER) >> PIXEL_SHIFT_4(a)) & 0x0f)
//#define READ_PIXEL_4(a) ((JaguarReadByte(a##_addr+PIXEL_OFFSET_4(a)) >> PIXEL_SHIFT_4(a)) & 0x0f)
// 8 bpp pixel read
-#define PIXEL_OFFSET_8(a) (((((UINT32)a##_y >> 16) * a##_width) + (((UINT32)a##_x >> 16) & ~7)) * (1 + a##_pitch) + (((UINT32)a##_x >> 16) & 7))
+#define PIXEL_OFFSET_8(a) (((((uint32)a##_y >> 16) * a##_width) + (((uint32)a##_x >> 16) & ~7)) * (1 + a##_pitch) + (((uint32)a##_x >> 16) & 7))
#define READ_PIXEL_8(a) (JaguarReadByte(a##_addr+PIXEL_OFFSET_8(a), BLITTER))
//#define READ_PIXEL_8(a) (JaguarReadByte(a##_addr+PIXEL_OFFSET_8(a)))
// 16 bpp pixel read
-#define PIXEL_OFFSET_16(a) (((((UINT32)a##_y >> 16) * a##_width) + (((UINT32)a##_x >> 16) & ~3)) * (1 + a##_pitch) + (((UINT32)a##_x >> 16) & 3))
+#define PIXEL_OFFSET_16(a) (((((uint32)a##_y >> 16) * a##_width) + (((uint32)a##_x >> 16) & ~3)) * (1 + a##_pitch) + (((uint32)a##_x >> 16) & 3))
#define READ_PIXEL_16(a) (JaguarReadWord(a##_addr+(PIXEL_OFFSET_16(a)<<1), BLITTER))
//#define READ_PIXEL_16(a) (JaguarReadWord(a##_addr+(PIXEL_OFFSET_16(a)<<1)))
// 32 bpp pixel read
-#define PIXEL_OFFSET_32(a) (((((UINT32)a##_y >> 16) * a##_width) + (((UINT32)a##_x >> 16) & ~1)) * (1 + a##_pitch) + (((UINT32)a##_x >> 16) & 1))
+#define PIXEL_OFFSET_32(a) (((((uint32)a##_y >> 16) * a##_width) + (((uint32)a##_x >> 16) & ~1)) * (1 + a##_pitch) + (((uint32)a##_x >> 16) & 1))
#define READ_PIXEL_32(a) (JaguarReadLong(a##_addr+(PIXEL_OFFSET_32(a)<<2), BLITTER))
//#define READ_PIXEL_32(a) (JaguarReadLong(a##_addr+(PIXEL_OFFSET_32(a)<<2)))
#define WRITE_ZDATA(a,f,d) WRITE_ZDATA_16(a,d);
// 1 bpp r data read
-#define READ_RDATA_1(r,a,p) ((p) ? ((REG(r+(((UINT32)a##_x >> 19) & 0x04))) >> (((UINT32)a##_x >> 16) & 0x1F)) & 0x0001 : (REG(r) & 0x0001))
+#define READ_RDATA_1(r,a,p) ((p) ? ((REG(r+(((uint32)a##_x >> 19) & 0x04))) >> (((uint32)a##_x >> 16) & 0x1F)) & 0x0001 : (REG(r) & 0x0001))
// 2 bpp r data read
-#define READ_RDATA_2(r,a,p) ((p) ? ((REG(r+(((UINT32)a##_x >> 18) & 0x04))) >> (((UINT32)a##_x >> 15) & 0x3E)) & 0x0003 : (REG(r) & 0x0003))
+#define READ_RDATA_2(r,a,p) ((p) ? ((REG(r+(((uint32)a##_x >> 18) & 0x04))) >> (((uint32)a##_x >> 15) & 0x3E)) & 0x0003 : (REG(r) & 0x0003))
// 4 bpp r data read
-#define READ_RDATA_4(r,a,p) ((p) ? ((REG(r+(((UINT32)a##_x >> 17) & 0x04))) >> (((UINT32)a##_x >> 14) & 0x28)) & 0x000F : (REG(r) & 0x000F))
+#define READ_RDATA_4(r,a,p) ((p) ? ((REG(r+(((uint32)a##_x >> 17) & 0x04))) >> (((uint32)a##_x >> 14) & 0x28)) & 0x000F : (REG(r) & 0x000F))
// 8 bpp r data read
-#define READ_RDATA_8(r,a,p) ((p) ? ((REG(r+(((UINT32)a##_x >> 16) & 0x04))) >> (((UINT32)a##_x >> 13) & 0x18)) & 0x00FF : (REG(r) & 0x00FF))
+#define READ_RDATA_8(r,a,p) ((p) ? ((REG(r+(((uint32)a##_x >> 16) & 0x04))) >> (((uint32)a##_x >> 13) & 0x18)) & 0x00FF : (REG(r) & 0x00FF))
// 16 bpp r data read
-#define READ_RDATA_16(r,a,p) ((p) ? ((REG(r+(((UINT32)a##_x >> 15) & 0x04))) >> (((UINT32)a##_x >> 12) & 0x10)) & 0xFFFF : (REG(r) & 0xFFFF))
+#define READ_RDATA_16(r,a,p) ((p) ? ((REG(r+(((uint32)a##_x >> 15) & 0x04))) >> (((uint32)a##_x >> 12) & 0x10)) & 0xFFFF : (REG(r) & 0xFFFF))
// 32 bpp r data read
-#define READ_RDATA_32(r,a,p) ((p) ? REG(r+(((UINT32)a##_x >> 14) & 0x04)) : REG(r))
+#define READ_RDATA_32(r,a,p) ((p) ? REG(r+(((uint32)a##_x >> 14) & 0x04)) : REG(r))
// register data read
#define READ_RDATA(r,a,f,p) (\
/*if (((REG(A1_FLAGS) >> 3) & 0x07) == 5)
{
uint32 offset = a1_addr+(PIXEL_OFFSET_32(a1)<<2);
-// (((((UINT32)a##_y >> 16) * a##_width) + (((UINT32)a##_x >> 16) & ~1)) * (1 + a##_pitch) + (((UINT32)a##_x >> 16) & 1))
+// (((((uint32)a##_y >> 16) * a##_width) + (((uint32)a##_x >> 16) & ~1)) * (1 + a##_pitch) + (((uint32)a##_x >> 16) & 1))
if ((offset >= 0x1FF020 && offset <= 0x1FF03F) || (offset >= 0x1FF820 && offset <= 0x1FF83F))
WriteLog("32bpp pixel write: A1 Phrase mode --> ");
}//*/
/*if (logGo)
{
uint32 offset = a2_addr+(PIXEL_OFFSET_16(a2)<<1);
-// (((((UINT32)a##_y >> 16) * a##_width) + (((UINT32)a##_x >> 16) & ~1)) * (1 + a##_pitch) + (((UINT32)a##_x >> 16) & 1))
+// (((((uint32)a##_y >> 16) * a##_width) + (((uint32)a##_x >> 16) & ~1)) * (1 + a##_pitch) + (((uint32)a##_x >> 16) & 1))
WriteLog("[%08X:%04X] ", offset, writedata);
}//*/
// write to the destination
// a1_width = blitter_scanline_width[((REG(A1_FLAGS) & 0x00007E00) >> 9)];
// According to JTRM, this must give a *whole number* of phrases in the current
// pixel size (this means the lookup above is WRONG)... !!! FIX !!!
- UINT32 m = (REG(A1_FLAGS) >> 9) & 0x03, e = (REG(A1_FLAGS) >> 11) & 0x0F;
+ uint32 m = (REG(A1_FLAGS) >> 9) & 0x03, e = (REG(A1_FLAGS) >> 11) & 0x0F;
a1_width = ((0x04 | m) << e) >> 2;//*/
a2_x = (REG(A2_PIXEL) & 0x0000FFFF) << 16;
// A1 -> pitch: 1 phrases, depth: 16bpp, z-off: 0, width: 128 (1C), addctl: XADDINC YADD1 XSIGNADD YSIGNADD
// A2 -> pitch: 1 phrases, depth: 16bpp, z-off: 0, width: 320 (21), addctl: XADD0 YADD1 XSIGNADD YSIGNADD
//if (YADD1_A1 && YADD1_A2 && xadd_a2_control == XADD0 && xadd_a1_control == XADDINC)// &&
-// UINT32 a1f = REG(A1_FLAGS), a2f = REG(A2_FLAGS);
+// uint32 a1f = REG(A1_FLAGS), a2f = REG(A2_FLAGS);
//Ok, so this ISN'T it... Prolly the XADDPHR code above that's doing it...
//if (REG(A1_FLAGS) == 0x00073820 && REG(A2_FLAGS) == 0x00064220 && cmd == 0x41802801)
// A1 x/y: 14368/7, A2 x/y: 150/36
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 a1f = REG(A1_FLAGS), a2f = REG(A2_FLAGS);
uint32 p1 = a1f & 0x07, p2 = a2f & 0x07,
d1 = (a1f >> 3) & 0x07, d2 = (a2f >> 3) & 0x07,
zo1 = (a1f >> 6) & 0x07, zo2 = (a2f >> 6) & 0x07,
w1 = (a1f >> 9) & 0x3F, w2 = (a2f >> 9) & 0x3F,
ac1 = (a1f >> 16) & 0x1F, ac2 = (a2f >> 16) & 0x1F;
- UINT32 iw1 = ((0x04 | (w1 & 0x03)) << ((w1 & 0x3C) >> 2)) >> 2;
- UINT32 iw2 = ((0x04 | (w2 & 0x03)) << ((w2 & 0x3C) >> 2)) >> 2;
+ uint32 iw1 = ((0x04 | (w1 & 0x03)) << ((w1 & 0x3C) >> 2)) >> 2;
+ uint32 iw2 = ((0x04 | (w2 & 0x03)) << ((w2 & 0x3C) >> 2)) >> 2;
WriteLog("Blit! (%08X %s %08X) count: %d x %d, A1/2_FLAGS: %08X/%08X [cmd: %08X]\n", a1_addr, (mode&0x01 ? "->" : "<-"), a2_addr, n_pixels, n_lines, a1f, a2f, cmd);
// WriteLog(" CMD -> src: %d, dst: %d, misc: %d, a1ctl: %d, mode: %d, ity: %1X, z-op: %d, op: %1X, ctrl: %02X\n", src, dst, misc, a1ctl, mode, ity, zop, op, ctrl);
void LogBlit(void)
{
- char * opStr[16] = { "LFU_CLEAR", "LFU_NSAND", "LFU_NSAD", "LFU_NOTS", "LFU_SAND", "LFU_NOTD", "LFU_N_SXORD", "LFU_NSORND",
+ const 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 cmd = GET32(blitter_ram, 0x38);
- UINT32 m = (REG(A1_FLAGS) >> 9) & 0x03, e = (REG(A1_FLAGS) >> 11) & 0x0F;
- UINT32 a1_width = ((0x04 | m) << e) >> 2;
+ uint32 m = (REG(A1_FLAGS) >> 9) & 0x03, e = (REG(A1_FLAGS) >> 11) & 0x0F;
+ uint32 a1_width = ((0x04 | m) << e) >> 2;
m = (REG(A2_FLAGS) >> 9) & 0x03, e = (REG(A2_FLAGS) >> 11) & 0x0F;
- UINT32 a2_width = ((0x04 | m) << e) >> 2;
+ uint32 a2_width = ((0x04 | m) << e) >> 2;
WriteLog("Blit!\n");
WriteLog(" COMMAND = %08X\n", cmd);
a2_addr = REG(A2_BASE) & 0xFFFFFFF8;
a1_x = (REG(A1_PIXEL) << 16) | (REG(A1_FPIXEL) & 0xFFFF);
a1_y = (REG(A1_PIXEL) & 0xFFFF0000) | (REG(A1_FPIXEL) >> 16);
- UINT32 m = (REG(A1_FLAGS) >> 9) & 0x03, e = (REG(A1_FLAGS) >> 11) & 0x0F;
+ uint32 m = (REG(A1_FLAGS) >> 9) & 0x03, e = (REG(A1_FLAGS) >> 11) & 0x0F;
a1_width = ((0x04 | m) << e) >> 2;//*/
a2_x = (REG(A2_PIXEL) & 0x0000FFFF) << 16;
a2_y = (REG(A2_PIXEL) & 0xFFFF0000);
goto a1update
*/
/*
-#define A1_PIXEL ((UINT32)0x0C) // Integer part of the pixel (Y.i and X.i)
-#define A1_STEP ((UINT32)0x10) // Integer part of the step
-#define A1_FSTEP ((UINT32)0x14) // Fractional part of the step
-#define A1_FPIXEL ((UINT32)0x18) // Fractional part of the pixel (Y.f and X.f)
+#define A1_PIXEL ((uint32)0x0C) // Integer part of the pixel (Y.i and X.i)
+#define A1_STEP ((uint32)0x10) // Integer part of the step
+#define A1_FSTEP ((uint32)0x14) // Fractional part of the step
+#define A1_FPIXEL ((uint32)0x18) // Fractional part of the pixel (Y.f and X.f)
*/
// This is all kinda murky. All we have are the Midsummer docs to give us any guidance,
logBlit = false;
if (
cmd != 0x00010200 && // PATDSEL
- cmd != 0x01800001
+ cmd != 0x01800001 // SRCEN LFUFUNC=C
&& cmd != 0x01800005
//Boot ROM ATARI letters:
&& cmd != 0x00011008 // DSTEN GOURD PATDSEL
//Static pic on title screen:
&& cmd != 0x01800601 // SRCEN UPDA1 UPDA2 LFUFUNC=C
//Turning letters on Cybermorph intro screen:
- && cmd != 0x09800F41 // SRCEN CLIP_A1 UPDA1 UPDA1F UPDA2 DSTA2 LFUFUNC=C DCOMPEN
+// && cmd != 0x09800F41 // SRCEN CLIP_A1 UPDA1 UPDA1F UPDA2 DSTA2 LFUFUNC=C DCOMPEN
&& cmd != 0x00113078 // DSTEN DSTENZ DSTWRZ CLIP_A1 GOURD GOURZ PATDSEL ZMODE=4
&& cmd != 0x09900F39 // SRCEN DSTEN DSTENZ DSTWRZ UPDA1 UPDA1F UPDA2 DSTA2 ZMODE=4 LFUFUNC=C DCOMPEN
&& cmd != 0x09800209 // SRCEN DSTEN UPDA1 LFUFUNC=C DCOMPEN
//Hover Strike text:
&& cmd != 0x1401060C // SRCENX DSTEN UPDA1 UPDA2 PATDSEL BCOMPEN BKGWREN
//Hover Strike 3D stuff
-// && cmd != 0x01902839 // SRCEN DSTEN DSTENZ DSTWRZ DSTA2 GOURZ ZMODE=4 LFUFUNC=C
+ && cmd != 0x01902839 // SRCEN DSTEN DSTENZ DSTWRZ DSTA2 GOURZ ZMODE=4 LFUFUNC=C
//Hover Strike darkening on intro to play (briefing) screen
&& cmd != 0x00020208 // DSTEN UPDA1 ADDDSEL
//Trevor McFur stuff:
//T2K:
&& cmd != 0x00011000 // GOURD PATDSEL
&& cmd != 0x00011040 // CLIP_A1 GOURD PATDSEL
+//Checkered flag:
+ && cmd != 0x01800000 // LFUFUNC=C
+ && cmd != 0x01800401 //
+ && cmd != 0x01800040 //
+ && cmd != 0x00020008 //
+// && cmd != 0x09800F41 // SRCEN CLIP_A1 UPDA1 UPDA1F UPDA2 DSTA2 LFUFUNC=C DCOMPEN
)
logBlit = true;//*/
//logBlit = true;
logBlit = F, cmd = 00011040
logBlit = F, cmd = 01800005 *
logBlit = F, cmd = 09800741 *
+
Hover Strike mission selection screen:
Blit! (CMD = 01902839) // SRCEN DSTEN DSTENZ DSTWRZ DSTA2 GOURZ ZMODE=4 LFUFUNC=C
+
+Checkered Flag blits in the screw up zone:
+Blit! (CMD = 01800001) // SRCEN LFUFUNC=C
+Blit! (CMD = 01800000) // LFUFUNC=C
+Blit! (CMD = 00010000) // PATDSEL
+
+Wolfenstein 3D in the fuckup zone:
+Blit! (CMD = 01800000) // LFUFUNC=C
*/
//printf("logBlit = %s, cmd = %08X\n", (logBlit ? "T" : "F"), cmd);
#endif
idlei = true;
- return;
+//Instead of a return, let's try breaking out of the loop...
+break;
+// return;
}
else
idlei = false;
if (srcshift == 0)
srcd = srcd1;
+//NOTE: This only works with pixel sizes less than 8BPP...
+//DOUBLE NOTE: Still need to do regression testing to ensure that this doesn't break other stuff... !!! CHECK !!!
+if (!phrase_mode && srcshift != 0)
+ srcd = ((srcd2 & 0xFF) << (8 - srcshift)) | ((srcd1 & 0xFF) >> srcshift);
+
//Z DATA() stuff done here... And it has to be done before any Z shifting...
//Note that we need to have phrase mode start/end support here... (Not since we moved it from dzwrite...!)
/*
ADDARRAY(addq, 6/*daddasel*/, 7/*daddbsel*/, 1/*daddmode*/, 0, 0, initcin, 0, 0, 0, 0, 0, srcz1, srcz2, zinc, 0);
srcz1 = ((uint64)addq[3] << 48) | ((uint64)addq[2] << 32) | ((uint64)addq[1] << 16) | (uint64)addq[0];
-#ifdef VERBOSE_BLITTER_LOGGING
+#if 0//def VERBOSE_BLITTER_LOGGING
if (logBlit)
{
printf("\n[srcz1=%08X%08X, srcz2=%08X%08X, zinc=%08X",
if (zSrcShift == 0)
srcz = srcz1;
-#ifdef VERBOSE_BLITTER_LOGGING
+#if 0//def VERBOSE_BLITTER_LOGGING
if (logBlit)
{
printf(" srcz=%08X%08X]\n", (uint32)(srcz >> 32), (uint32)(srcz & 0xFFFFFFFF));
#ifdef VERBOSE_BLITTER_LOGGING
if (logBlit)
{
- printf(" [%08X%08X]", (uint32)(wdata >> 32), (uint32)(wdata & 0xFFFFFFFF));
+ printf(" [%08X%08X]%s", (uint32)(wdata >> 32), (uint32)(wdata & 0xFFFFFFFF), (winhibit ? "[X]" : ""));
printf(" (icount=%04X, inc=%u)\n", icount, (uint16)inc);
printf(" [dstart=%X dend=%X pwidth=%X srcshift=%X]", dstart, dend, pwidth, srcshift);
printf("[daas=%X dabs=%X dam=%X ds=%X daq=%s]\n", daddasel, daddbsel, daddmode, data_sel, (daddq_sel ? "T" : "F"));
#endif
}
+/*
+This is because the address generator was using only 15 bits of the X when it should have
+used 16!
+
+There's a slight problem here: The X pointer isn't wrapping like it should when it hits
+the edge of the window... Notice how the X isn't reset at the edge of the window:
+
+Blit! (CMD = 00010000)
+Flags: PATDSEL
+ count = 160 x 261
+ a1_base = 000E8008, a2_base = 0001FA68
+ a1_x = 0000, a1_y = 0000, a1_frac_x = 0000, a1_frac_y = 0000, a2_x = 0000, a2_y = 0000
+ a1_step_x = 0000, a1_step_y = 0000, a1_stepf_x = 0000, a1_stepf_y = 0000, a2_step_x = 0000, a2_step_y = 0000
+ a1_inc_x = 0000, a1_inc_y = 0000, a1_incf_x = 0000, a1_incf_y = 0000
+ a1_win_x = 0000, a1_win_y = 0000, a2_mask_x = 0000, a2_mask_y = 0000
+ a2_mask=F a1add=+phr/+0 a2add=+phr/+0
+ a1_pixsize = 5, a2_pixsize = 5
+ srcd=7717771777177717 dstd=0000000000000000 patd=7730773077307730 iinc=00000000
+ srcz1=0000000000000000 srcz2=0000000000000000 dstz=0000000000000000 zinc=00000000, coll=0
+ Phrase mode is ON
+ [in=T a1f=F a1=F zf=F z=F a2=F iif=F iii=F izf=F izi=F]
+ Entering INNER state...
+ Entering DWRITE state... Dest write address/pix address: 000E8008/0 [7730773077307730] (icount=009E, inc=2)
+ srcz=0000000000000000][dcomp=AA zcomp=00 dbinh=00]
+[srcz=0000000000000000 dstz=0000000000000000 zwdata=0000000000000000 mask=7FFF]
+ [dstart=0 dend=40 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=0 daq=F]
+ Entering A1_ADD state [a1_x=0000, a1_y=0000, addasel=0, addbsel=0, modx=1, addareg=F, adda_xconst=1, adda_yconst=0]...
+ Entering DWRITE state... Dest write address/pix address: 000E8018/0 [7730773077307730] (icount=009C, inc=2)
+ srcz=0000000000000000][dcomp=AA zcomp=00 dbinh=00]
+[srcz=0000000000000000 dstz=0000000000000000 zwdata=0000000000000000 mask=7FFF]
+ [dstart=0 dend=40 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=0 daq=F]
+ Entering A1_ADD state [a1_x=0002, a1_y=0000, addasel=0, addbsel=0, modx=1, addareg=F, adda_xconst=1, adda_yconst=0]...
+
+...
+
+ Entering A1_ADD state [a1_x=009C, a1_y=0000, addasel=0, addbsel=0, modx=1, addareg=F, adda_xconst=1, adda_yconst=0]...
+ Entering DWRITE state... Dest write address/pix address: 000E84F8/0 [7730773077307730] (icount=0000, inc=2)
+ srcz=0000000000000000][dcomp=AA zcomp=00 dbinh=00]
+[srcz=0000000000000000 dstz=0000000000000000 zwdata=0000000000000000 mask=7FFF]
+ [dstart=0 dend=40 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=0 daq=F]
+ Entering A1_ADD state [a1_x=009E, a1_y=0000, addasel=0, addbsel=0, modx=1, addareg=F, adda_xconst=1, adda_yconst=0]...
+ Entering IDLE_INNER state...
+
+ Leaving INNER state... (ocount=0104)
+ [in=T a1f=F a1=F zf=F z=F a2=F iif=F iii=F izf=F izi=F]
+
+ Entering INNER state...
+ Entering DWRITE state... Dest write address/pix address: 000E8508/0 [7730773077307730] (icount=009E, inc=2)
+ srcz=0000000000000000][dcomp=AA zcomp=00 dbinh=00]
+[srcz=0000000000000000 dstz=0000000000000000 zwdata=0000000000000000 mask=7FFF]
+ [dstart=0 dend=40 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=0 daq=F]
+ Entering A1_ADD state [a1_x=00A0, a1_y=0000, addasel=0, addbsel=0, modx=1, addareg=F, adda_xconst=1, adda_yconst=0]...
+ Entering DWRITE state... Dest write address/pix address: 000E8518/0 [7730773077307730] (icount=009C, inc=2)
+ srcz=0000000000000000][dcomp=AA zcomp=00 dbinh=00]
+[srcz=0000000000000000 dstz=0000000000000000 zwdata=0000000000000000 mask=7FFF]
+ [dstart=0 dend=40 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=0 daq=F]
+ Entering A1_ADD state [a1_x=00A2, a1_y=0000, addasel=0, addbsel=0, modx=1, addareg=F, adda_xconst=1, adda_yconst=0]...
+
+*/
+
if (a1_add)
{
#ifdef VERBOSE_BLITTER_LOGGING
}
}
+// We never get here! !!! FIX !!!
+
+#ifdef VERBOSE_BLITTER_LOGGING
+if (logBlit)
+{
+ printf("Done!\na1_x=%04X a1_y=%04X a1_frac_x=%04X a1_frac_y=%04X a2_x=%04X a2_y%04X\n",
+ GET16(blitter_ram, A1_PIXEL + 2),
+ GET16(blitter_ram, A1_PIXEL + 0),
+ GET16(blitter_ram, A1_FPIXEL + 2),
+ GET16(blitter_ram, A1_FPIXEL + 0),
+ GET16(blitter_ram, A2_PIXEL + 2),
+ GET16(blitter_ram, A2_PIXEL + 0));
+ fflush(stdout);
+}
+#endif
+
// Write values back to registers (in real blitter, these are continuously updated)
- SET16(blitter_ram, A1_PIXEL + 0, a1_y);
SET16(blitter_ram, A1_PIXEL + 2, a1_x);
- SET16(blitter_ram, A1_FPIXEL + 0, a1_frac_y);
+ SET16(blitter_ram, A1_PIXEL + 0, a1_y);
SET16(blitter_ram, A1_FPIXEL + 2, a1_frac_x);
- SET16(blitter_ram, A2_PIXEL + 0, a2_y);
+ SET16(blitter_ram, A1_FPIXEL + 0, a1_frac_y);
SET16(blitter_ram, A2_PIXEL + 2, a2_x);
-}
+ SET16(blitter_ram, A2_PIXEL + 0, a2_y);
+#ifdef VERBOSE_BLITTER_LOGGING
+if (logBlit)
+{
+ printf("Writeback!\na1_x=%04X a1_y=%04X a1_frac_x=%04X a1_frac_y=%04X a2_x=%04X a2_y%04X\n",
+ GET16(blitter_ram, A1_PIXEL + 2),
+ GET16(blitter_ram, A1_PIXEL + 0),
+ GET16(blitter_ram, A1_FPIXEL + 2),
+ GET16(blitter_ram, A1_FPIXEL + 0),
+ GET16(blitter_ram, A2_PIXEL + 2),
+ GET16(blitter_ram, A2_PIXEL + 0));
+ fflush(stdout);
+}
+#endif
+}
/*
-The latest that doesn't work properly:
-
-Blit! (CMD = 09800741)
-Flags: SRCEN CLIP_A1 UPDA1 UPDA1F UPDA2 LFUFUNC=C DCOMPEN
- count = 15 x 18
- a1_base = 00050000, a2_base = 0083F400
- a1_x = 003D, a1_y = 00AD, a1_frac_x = 8000, a1_frac_y = 0000, a2_x = 0027, a2_y = 00A4
- a1_step_x = FFF1, a1_step_y = 0001, a1_stepf_x = 0000, a1_stepf_y = 0000, a2_step_x = FFF1, a2_step_y = 0001
- a1_inc_x = 0001, a1_inc_y = 0000, a1_incf_x = 0000, a1_incf_y = 0000
- a1_win_x = 0180, a1_win_y = 0118, a2_mask_x = 0000, a2_mask_y = 0000
- a2_mask=F a1add=+inc/+0 a2add=+1/+0
- a1_pixsize = 4, a2_pixsize = 4
- srcd=0000000000000000 dstd=0000000000000000 patd=0000000000000000 iinc=00FFF000
- srcz1=0000000000000000 srcz2=0000000000000000 dstz=0000000000000000 zinc=00000000, col=2
- Phrase mode is off
- [in=T a1f=F a1=F zf=F z=F a2=F iif=F iii=F izf=F izi=F]
- Entering INNER state...
- Entering SREAD state... Source read address/pix address: 00858E4E/0 [0000000000000000]
- Entering A2_ADD state [a2_x=0027, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 0007077A/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [0000000000000000] (icount=000E, inc=1)
- Entering A1_ADD state [a1_x=003D, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E50/0 [0000000000000000]
- Entering A2_ADD state [a2_x=0028, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 0007077C/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [0000000000000000] (icount=000D, inc=1)
- Entering A1_ADD state [a1_x=003E, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E52/0 [0000000000000000]
- Entering A2_ADD state [a2_x=0029, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 0007077E/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [0000000000000000] (icount=000C, inc=1)
- Entering A1_ADD state [a1_x=003F, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E54/0 [000000000000014A]
- Entering A2_ADD state [a2_x=002A, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 00070780/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [000000000000014A] (icount=000B, inc=1)
- Entering A1_ADD state [a1_x=0040, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E56/0 [000000000000014A]
- Entering A2_ADD state [a2_x=002B, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 00070782/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [000000000000014A] (icount=000A, inc=1)
- Entering A1_ADD state [a1_x=0041, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E58/0 [000000000000014A]
- Entering A2_ADD state [a2_x=002C, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 00070784/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [000000000000014A] (icount=0009, inc=1)
- Entering A1_ADD state [a1_x=0042, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E5A/0 [000000000000014A]
- Entering A2_ADD state [a2_x=002D, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 00070786/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [000000000000014A] (icount=0008, inc=1)
- Entering A1_ADD state [a1_x=0043, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E5C/0 [000000000000014A]
- Entering A2_ADD state [a2_x=002E, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 00070788/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [000000000000014A] (icount=0007, inc=1)
- Entering A1_ADD state [a1_x=0044, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E5E/0 [000000000000014A]
- Entering A2_ADD state [a2_x=002F, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 0007078A/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [000000000000014A] (icount=0006, inc=1)
- Entering A1_ADD state [a1_x=0045, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E60/0 [000000000000014A]
- Entering A2_ADD state [a2_x=0030, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 0007078C/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [000000000000014A] (icount=0005, inc=1)
- Entering A1_ADD state [a1_x=0046, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E62/0 [000000000000014A]
- Entering A2_ADD state [a2_x=0031, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 0007078E/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [000000000000014A] (icount=0004, inc=1)
- Entering A1_ADD state [a1_x=0047, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E64/0 [000000000000014A]
- Entering A2_ADD state [a2_x=0032, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 00070790/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [000000000000014A] (icount=0003, inc=1)
- Entering A1_ADD state [a1_x=0048, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E66/0 [0000000000000000]
- Entering A2_ADD state [a2_x=0033, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 00070792/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [0000000000000000] (icount=0002, inc=1)
- Entering A1_ADD state [a1_x=0049, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E68/0 [0000000000000000]
- Entering A2_ADD state [a2_x=0034, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 00070794/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [0000000000000000] (icount=0001, inc=1)
- Entering A1_ADD state [a1_x=004A, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering SREAD state... Source read address/pix address: 00858E6A/0 [0000000000000000]
- Entering A2_ADD state [a2_x=0035, a2_y=00A4, addasel=0, addbsel=1, modx=0, addareg=F, adda_xconst=0, adda_yconst=0]...
- Entering DWRITE state...
- Dest write address/pix address: 00070796/0 [dstart=0 dend=10 pwidth=8 srcshift=0][daas=0 dabs=0 dam=7 ds=1 daq=F] [0000000000000000] (icount=0000, inc=1)
- Entering A1_ADD state [a1_x=004B, a1_y=00AD, addasel=3, addbsel=2, modx=0, addareg=T, adda_xconst=7, adda_yconst=0]...
- Entering IDLE_INNER state...
- Leaving INNER state... (ocount=0011)
- [in=F a1f=T a1=F zf=F z=F a2=F iif=F iii=F izf=F izi=F]
- Entering A1FUPDATE state...
- [in=F a1f=F a1=T zf=F z=F a2=F iif=F iii=F izf=F izi=F]
- Entering A1UPDATE state... (76/173 -> 61/174)
- [in=F a1f=F a1=F zf=F z=F a2=T iif=F iii=F izf=F izi=F]
- Entering A2UPDATE state... (54/164 -> 39/165)
- [in=T a1f=F a1=F zf=F z=F a2=F iif=F iii=F izf=F izi=F]
- Entering INNER state...
+ int16 a1_x = (int16)GET16(blitter_ram, A1_PIXEL + 2);
+ int16 a1_y = (int16)GET16(blitter_ram, A1_PIXEL + 0);
+ uint16 a1_frac_x = GET16(blitter_ram, A1_FPIXEL + 2);
+ uint16 a1_frac_y = GET16(blitter_ram, A1_FPIXEL + 0);
+ int16 a2_x = (int16)GET16(blitter_ram, A2_PIXEL + 2);
+ int16 a2_y = (int16)GET16(blitter_ram, A2_PIXEL + 0);
+
+Seems that the ending a1_x should be written between blits, but it doesn't seem to be...
+
+Blit! (CMD = 01800000)
+Flags: LFUFUNC=C
+ count = 28672 x 1
+ a1_base = 00050000, a2_base = 00070000
+ a1_x = 0000, a1_y = 0000, a1_frac_x = 49CD, a1_frac_y = 0000, a2_x = 0033, a2_y = 0001
+ a1_step_x = 0000, a1_step_y = 0000, a1_stepf_x = 939A, a1_stepf_y = 0000, a2_step_x = 0000, a2_step_y = 0000
+ a1_inc_x = 0000, a1_inc_y = 0000, a1_incf_x = 0000, a1_incf_y = 0000
+ a1_win_x = 0100, a1_win_y = 0020, a2_mask_x = 0000, a2_mask_y = 0000
+ a2_mask=F a1add=+phr/+0 a2add=+phr/+0
+ a1_pixsize = 4, a2_pixsize = 3
+ srcd=DEDEDEDEDEDEDEDE dstd=0000000000000000 patd=0000000000000000 iinc=00000000
+ srcz1=0000000000000000 srcz2=0000000000000000 dstz=0000000000000000 zinc=00000000, coll=0
+ Phrase mode is ON
+
+Blit! (CMD = 01800000)
+Flags: LFUFUNC=C
+ count = 28672 x 1
+ a1_base = 00050000, a2_base = 00070000
+ a1_x = 0000, a1_y = 0000, a1_frac_x = 49CD, a1_frac_y = 0000, a2_x = 0033, a2_y = 0001
+ a1_step_x = 0000, a1_step_y = 0000, a1_stepf_x = 939A, a1_stepf_y = 0000, a2_step_x = 0000, a2_step_y = 0000
+ a1_inc_x = 0000, a1_inc_y = 0000, a1_incf_x = 0000, a1_incf_y = 0000
+ a1_win_x = 0100, a1_win_y = 0020, a2_mask_x = 0000, a2_mask_y = 0000
+ a2_mask=F a1add=+phr/+0 a2add=+phr/+0
+ a1_pixsize = 4, a2_pixsize = 3
+ srcd=D6D6D6D6D6D6D6D6 dstd=0000000000000000 patd=0000000000000000 iinc=00000000
+ srcz1=0000000000000000 srcz2=0000000000000000 dstz=0000000000000000 zinc=00000000, coll=0
+ Phrase mode is ON
*/
+
// Various pieces of the blitter puzzle are teased out here...
uint16 a1_x, uint16 a1_y, uint32 a1_base, uint8 a1_pitch, uint8 a1_pixsize, uint8 a1_width, uint8 a1_zoffset,
uint16 a2_x, uint16 a2_y, uint32 a2_base, uint8 a2_pitch, uint8 a2_pixsize, uint8 a2_width, uint8 a2_zoffset)
{
- uint16 x = (gena2 ? a2_x : a1_x) & 0x7FFF;
+// uint16 x = (gena2 ? a2_x : a1_x) & 0x7FFF;
+ uint16 x = (gena2 ? a2_x : a1_x) & 0xFFFF; // Actually uses all 16 bits to generate address...!
uint16 y = (gena2 ? a2_y : a1_y) & 0x0FFF;
uint8 width = (gena2 ? a2_width : a1_width);
uint8 pixsize = (gena2 ? a2_pixsize : a1_pixsize);
////////////////////////////////////// C++ CODE //////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////
+// !!! TESTING !!! TESTING !!! TESTING !!! TESTING !!! TESTING !!! TESTING !!! TESTING !!!
+// !!! TESTING !!! TESTING !!! TESTING !!! TESTING !!! TESTING !!! TESTING !!! TESTING !!!
+// !!! TESTING !!! TESTING !!! TESTING !!! TESTING !!! TESTING !!! TESTING !!! TESTING !!!
+
#endif
+
projects / virtualjaguar / blobdiff