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Bochs/bochs/patches/patch.vga-mode2-speed-dohzono
Volker Ruppert 870c5aa9af - patch updated for current CVS
2003-06-16 20:41:12 +00:00

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----------------------------------------------------------------------
Patch name: patch.vga-dohzono
Author: dohzono (uploaded by cbothamy)
Date: 31 oct 2002
Status: Proposed (we have to do some tests, e.g. compiling with MSVC)
Detailed description:
This patch adds VGA write mode 2 support and includes various
speed improvements posted by the author on the ml.
Here are very detailed (nice!) notes from the author :
-------------
The feature I added is "VGA write mode 2" support (which is required
by Japanese Windows 9x). Not tested much, yet.
The original version causes panic like this.
| case 2: /* write mode 2 */
| if (BX_VGA_THIS s.graphics_ctrl.raster_op)
| BX_PANIC(("vga_mem_write: write mode 2: op = %u",
| (unsigned) BX_VGA_THIS s.graphics_ctrl.raster_op));
I consulted its specification to the FreeVGA project's documentation.
| Write Mode 2:
|
| Write Mode 2 is used to unpack a pixel value packed into the lower 4
| bits of the host data byte into the 4 display planes. In the byte
| from the host, the bit representing each plane will be replicated
| across all 8 bits of the corresponding planes. Then the operation
| specified by the Logical Operation field is performed on the
| resulting data and the data in the read latches. The Bit Mask field
| is then used to select between the resulting data and data from the
| latch register. Finally, the resulting data is written to the
| display memory planes enabled in the Memory Plane Write Enable
| field.
-------------
I also made some changes for speed. Some are (really) dirty hacks, so
I want someone to make them clean.
*
The file "rdat.h" contains rotated data which makes bochs need not to
calculate them each time. For example:
/* perform rotate on CPU data */
value = (value >> BX_VGA_THIS s.graphics_ctrl.data_rotate) |
(value << (8 - BX_VGA_THIS s.graphics_ctrl.data_rotate));
can be:
/* perform rotate on CPU data */
value = rdatp[value];
`rdatp' is changed with the variable `data_rotate'.
case 3: /* Data Rotate */
BX_VGA_THIS s.graphics_ctrl.data_rotate = value & 0x07;
rdatp = rdat[value & 0x07];
*
I made some variable scopes to be local. GNU C compier seems to
generate better code for this.
unsigned xti, yti;
...
for (yti=0; yti<iHeight/Y_TILESIZE; yti++)
for (xti=0; xti<iWidth/X_TILESIZE; xti++)
| localize
v
for (unsigned yti=0; yti<iHeight/Y_TILESIZE; yti++)
for (unsigned xti=0; xti<iWidth/X_TILESIZE; xti++)
*
I removed some multiplications.
for (yti=0; yti<iHeight/Y_TILESIZE; yti++)
for (xti=0; xti<iWidth/X_TILESIZE; xti++) {
pixely = ((yti*Y_TILESIZE) + r);
pixelx = ((xti*X_TILESIZE) + c);
bx_gui.graphics_tile_update(BX_VGA_THIS s.tile,
xti*X_TILESIZE, yti*Y_TILESIZE);
| variable exchange
v
for (unsigned yc=0,yti=0; yc<iHeight; yti++,yc+=Y_TILESIZE)
for (unsigned xc=0,xti=0; xc<iWidth; xti++,xc+=X_TILESIZE) {
pixely = (yc + r);
pixelx = (xc + c);
bx_gui.graphics_tile_update(BX_VGA_THIS s.tile,
xc, yc);
*
... and division code. Note that GCC makes DIVIDE_BY_CONSTANT to
be MULTIPLY_AND_SHIFT code on some MPUs (include x86s).
rows = (VDE+1)/(MSL+1);
| division removal
v
switch (MSL) {
#define cs(n) case n: rows = (VDE + 1)/((n) + 1); break
cs(0x00);
...
cs(0x1f);
#undef cs
}
*
x_tileno = (offset % (BX_VGA_THIS s.scan_bits/8)) / (X_TILESIZE / 8);
y_tileno = (offset / (BX_VGA_THIS s.scan_bits/8)) / Y_TILESIZE;
BX_VGA_THIS s.vga_tile_updated[x_tileno][y_tileno] = 1;
| division removal.
v
switch (BX_VGA_THIS s.scan_bits) {
case 320:
x_tileno = (offset % (320/8)) / (X_TILESIZE / 8);
y_tileno = (offset / (320/8)) / Y_TILESIZE;
break;
case 640:
x_tileno = (offset % (640/8)) / (X_TILESIZE / 8);
y_tileno = (offset / (640/8)) / Y_TILESIZE;
break;
}
BX_VGA_THIS s.vga_tile_updated[x_tileno][y_tileno] = 1;
}
-------------
Some parts of this patch are now applied to the main code and removed here.
(vruppert, May 2nd 2003)
Patch was created with:
cvs diff -u
Apply patch to what version:
cvs checked out on DATE, release version VER
Instructions:
To patch, go to main bochs directory.
Type "patch -p0 < THIS_PATCH_FILE".
----------------------------------------------------------------------
Index: iodev/vga.cc
===================================================================
RCS file: /cvsroot/bochs/bochs/iodev/vga.cc,v
retrieving revision 1.78
diff -u -r1.78 vga.cc
--- iodev/vga.cc 2003-06-10 18:26:19 +0200
+++ iodev/vga.cc 2003-06-16 22:19:40 +0200
@@ -47,6 +47,9 @@
* This would fix the gentoo bug.
*/
+#include "vga_tables.h"
+const unsigned char *rdatp;
+
// (mch)
#define VGA_TRACE_FEATURE
@@ -65,25 +68,6 @@
BX_VGA_THIS s.vga_tile_updated[(xtile)][(ytile)] \
: 0)
-static const Bit8u ccdat[16][4] = {
- { 0x00, 0x00, 0x00, 0x00 },
- { 0xff, 0x00, 0x00, 0x00 },
- { 0x00, 0xff, 0x00, 0x00 },
- { 0xff, 0xff, 0x00, 0x00 },
- { 0x00, 0x00, 0xff, 0x00 },
- { 0xff, 0x00, 0xff, 0x00 },
- { 0x00, 0xff, 0xff, 0x00 },
- { 0xff, 0xff, 0xff, 0x00 },
- { 0x00, 0x00, 0x00, 0xff },
- { 0xff, 0x00, 0x00, 0xff },
- { 0x00, 0xff, 0x00, 0xff },
- { 0xff, 0xff, 0x00, 0xff },
- { 0x00, 0x00, 0xff, 0xff },
- { 0xff, 0x00, 0xff, 0xff },
- { 0x00, 0xff, 0xff, 0xff },
- { 0xff, 0xff, 0xff, 0xff },
-};
-
bx_vga_c *theVga = NULL;
unsigned old_iHeight = 0, old_iWidth = 0, old_MSL = 0;
@@ -203,6 +187,7 @@
BX_VGA_THIS s.graphics_ctrl.enable_set_reset = 0;
BX_VGA_THIS s.graphics_ctrl.color_compare = 0;
BX_VGA_THIS s.graphics_ctrl.data_rotate = 0;
+ rdatp = rdat[0];
BX_VGA_THIS s.graphics_ctrl.raster_op = 0;
BX_VGA_THIS s.graphics_ctrl.read_map_select = 0;
BX_VGA_THIS s.graphics_ctrl.write_mode = 0;
@@ -1090,6 +1075,7 @@
break;
case 3: /* Data Rotate */
BX_VGA_THIS s.graphics_ctrl.data_rotate = value & 0x07;
+ rdatp = rdat[value & 0x07];
/* ??? is this bits 3..4 or 4..5 */
BX_VGA_THIS s.graphics_ctrl.raster_op = (value >> 3) & 0x03; /* ??? */
break;
@@ -1308,7 +1294,6 @@
{
// specific VBE code display update code
// this is partly copied/modified from the 320x200x8 update more below
- unsigned xc, yc, xti, yti;
Bit8u color;
unsigned r, c;
unsigned long byte_offset;
@@ -1320,10 +1305,8 @@
// incl virtual xres correction
Bit32u start_offset = ((BX_VGA_THIS s.vbe_offset_y) * (BX_VGA_THIS s.vbe_virtual_xres)) + BX_VGA_THIS s.vbe_offset_x;
- yti = 0;
- for (yc=0; yc<iHeight; yc+=Y_TILESIZE) {
- xti = 0;
- for (xc=0; xc<iWidth; xc+=X_TILESIZE) {
+ for (unsigned yc=0,yti=0; yc<iHeight; yti++,yc+=Y_TILESIZE) {
+ for (unsigned xc=0,xti=0; xc<iWidth; xti++,xc+=X_TILESIZE) {
if (GET_TILE_UPDATED (xti, yti)) {
for (r=0; r<Y_TILESIZE; r++) {
pixely = yc + r;
@@ -1338,9 +1321,7 @@
SET_TILE_UPDATED (xti, yti, 0);
bx_gui->graphics_tile_update(BX_VGA_THIS s.tile, xc, yc);
}
- xti++;
}
- yti++;
}
old_iWidth = iWidth;
old_iHeight = iHeight;
@@ -1365,7 +1346,6 @@
Bit8u color;
unsigned bit_no, r, c, x, y;
unsigned long byte_offset, start_addr;
- unsigned xc, yc, xti, yti;
start_addr = (BX_VGA_THIS s.CRTC.reg[0x0c] << 8) | BX_VGA_THIS s.CRTC.reg[0x0d];
@@ -1389,10 +1369,8 @@
if (BX_VGA_THIS s.graphics_ctrl.memory_mapping == 3) { // CGA 640x200x2
- yti = 0;
- for (yc=0; yc<iHeight; yc+=Y_TILESIZE) {
- xti = 0;
- for (xc=0; xc<iWidth; xc+=X_TILESIZE) {
+ for (unsigned yc=0,yti=0; yc<iHeight; yti++,yc+=Y_TILESIZE) {
+ for (unsigned xc=0,xti=0; xc<iWidth; xti++,xc+=X_TILESIZE) {
if (GET_TILE_UPDATED (xti, yti)) {
for (r=0; r<Y_TILESIZE; r++) {
y = yc + r;
@@ -1416,9 +1394,7 @@
SET_TILE_UPDATED (xti, yti, 0);
bx_gui->graphics_tile_update(BX_VGA_THIS s.tile, xc, yc);
}
- xti++;
}
- yti++;
}
} else { // output data in serial fashion with each display plane
// output on its associated serial output. Standard EGA/VGA format
@@ -1426,10 +1402,8 @@
line_compare = BX_VGA_THIS s.line_compare;
if (BX_VGA_THIS s.y_doublescan) line_compare >>= 1;
- yti = 0;
- for (yc=0; yc<iHeight; yc+=Y_TILESIZE) {
- xti = 0;
- for (xc=0; xc<iWidth; xc+=X_TILESIZE) {
+ for (unsigned yc=0,yti=0; yc<iHeight; yti++,yc+=Y_TILESIZE) {
+ for (unsigned xc=0,xti=0; xc<iWidth; xti++,xc+=X_TILESIZE) {
if (GET_TILE_UPDATED (xti, yti)) {
for (r=0; r<Y_TILESIZE; r++) {
y = yc + r;
@@ -1475,9 +1449,7 @@
SET_TILE_UPDATED (xti, yti, 0);
bx_gui->graphics_tile_update(BX_VGA_THIS s.tile, xc, yc);
}
- xti++;
}
- yti++;
}
}
break; // case 0
@@ -1494,10 +1466,8 @@
old_iHeight = iHeight;
}
- yti = 0;
- for (yc=0; yc<iHeight; yc+=Y_TILESIZE) {
- xti = 0;
- for (xc=0; xc<iWidth; xc+=X_TILESIZE) {
+ for (unsigned yc=0,yti=0; yc<iHeight; yti++,yc+=Y_TILESIZE) {
+ for (unsigned xc=0,xti=0; xc<iWidth; xti++,xc+=X_TILESIZE) {
if (GET_TILE_UPDATED (xti, yti)) {
for (r=0; r<Y_TILESIZE; r++) {
y = yc + r;
@@ -1523,9 +1493,7 @@
SET_TILE_UPDATED (xti, yti, 0);
bx_gui->graphics_tile_update(BX_VGA_THIS s.tile, xc, yc);
}
- xti++;
}
- yti++;
}
/* CGA 320x200x4 end */
@@ -1549,10 +1517,8 @@
old_iWidth = iWidth;
}
- yti = 0;
- for (yc=0; yc<iHeight; yc+=Y_TILESIZE) {
- xti = 0;
- for (xc=0; xc<iWidth; xc+=X_TILESIZE) {
+ for (unsigned yc=0,yti=0; yc<iHeight; yti++,yc+=Y_TILESIZE) {
+ for (unsigned xc=0,xti=0; xc<iWidth; xti++,xc+=X_TILESIZE) {
if (GET_TILE_UPDATED (xti, yti)) {
for (r=0; r<Y_TILESIZE; r++) {
pixely = yc + r;
@@ -1569,9 +1535,7 @@
SET_TILE_UPDATED (xti, yti, 0);
bx_gui->graphics_tile_update(BX_VGA_THIS s.tile, xc, yc);
}
- xti++;
}
- yti++;
}
}
@@ -1585,10 +1549,8 @@
old_iHeight = iHeight;
}
- yti = 0;
- for (yc=0; yc<iHeight; yc+=Y_TILESIZE) {
- xti = 0;
- for (xc=0; xc<iWidth; xc+=X_TILESIZE) {
+ for (unsigned yc=0,yti=0; yc<iHeight; yti++,yc+=Y_TILESIZE) {
+ for (unsigned xc=0,xti=0; xc<iWidth; xti++,xc+=X_TILESIZE) {
if (GET_TILE_UPDATED (xti, yti)) {
for (r=0; r<Y_TILESIZE; r++) {
pixely = yc + r;
@@ -1606,9 +1568,7 @@
SET_TILE_UPDATED (xti, yti, 0);
bx_gui->graphics_tile_update(BX_VGA_THIS s.tile, xc, yc);
}
- xti++;
}
- yti++;
}
}
break; // case 2
@@ -1727,7 +1687,46 @@
iWidth = cWidth * BX_VGA_THIS s.CRTC.reg[1];
iHeight = 400;
} else {
+#if 0
rows = (VDE+1)/(MSL+1);
+#else
+ switch (MSL) {
+#define case_n(n) case n: rows = (VDE + 1)/((n) + 1); break
+ case_n(0x01);
+ case_n(0x02);
+ case_n(0x03);
+ case_n(0x04);
+ case_n(0x05);
+ case_n(0x06);
+ case_n(0x07);
+ case_n(0x08);
+ case_n(0x09);
+ case_n(0x0a);
+ case_n(0x0b);
+ case_n(0x0c);
+ case_n(0x0d);
+ case_n(0x0e);
+ case_n(0x0f);
+ case_n(0x10);
+ case_n(0x11);
+ case_n(0x12);
+ case_n(0x13);
+ case_n(0x14);
+ case_n(0x15);
+ case_n(0x16);
+ case_n(0x17);
+ case_n(0x18);
+ case_n(0x19);
+ case_n(0x1a);
+ case_n(0x1b);
+ case_n(0x1c);
+ case_n(0x1d);
+ case_n(0x1e);
+ case_n(0x1f);
+#undef case_n
+ default: rows = 25;
+ }
+#endif
if (rows > BX_MAX_TEXT_LINES)
BX_PANIC(("text rows>%d: %d",BX_MAX_TEXT_LINES,rows));
cWidth = ((BX_VGA_THIS s.sequencer.reg1 & 0x01) == 1) ? 8 : 9;
@@ -2006,8 +2005,7 @@
const Bit8u enable_set_reset = BX_VGA_THIS s.graphics_ctrl.enable_set_reset;
/* perform rotate on CPU data in case its needed */
if (BX_VGA_THIS s.graphics_ctrl.data_rotate) {
- value = (value >> BX_VGA_THIS s.graphics_ctrl.data_rotate) |
- (value << (8 - BX_VGA_THIS s.graphics_ctrl.data_rotate));
+ value = rdatp[value];
}
new_val[0] = BX_VGA_THIS s.graphics_ctrl.latch[0] & ~bitmask;
new_val[1] = BX_VGA_THIS s.graphics_ctrl.latch[1] & ~bitmask;
@@ -2183,8 +2181,7 @@
/* perform rotate on CPU data */
if (BX_VGA_THIS s.graphics_ctrl.data_rotate) {
- value = (value >> BX_VGA_THIS s.graphics_ctrl.data_rotate) |
- (value << (8 - BX_VGA_THIS s.graphics_ctrl.data_rotate));
+ value = rdatp[value];
}
new_val[0] = BX_VGA_THIS s.graphics_ctrl.latch[0] & ~bitmask;
new_val[1] = BX_VGA_THIS s.graphics_ctrl.latch[1] & ~bitmask;
@@ -2392,7 +2389,7 @@
bx_vga_c::redraw_area(unsigned x0, unsigned y0, unsigned width,
unsigned height)
{
- unsigned xi, yi, x1, y1, xmax, ymax;
+ unsigned x1, y1, xmax, ymax;
BX_VGA_THIS s.vga_mem_updated = 1;
@@ -2413,8 +2410,8 @@
ymax = BX_VGA_THIS s.vbe_yres;
}
#endif
- for (yi=0; yi<ymax; yi+=Y_TILESIZE) {
- for (xi=0; xi<xmax; xi+=X_TILESIZE) {
+ for (unsigned yti=0,yi=0; yi<ymax; yi+=Y_TILESIZE,yti++) {
+ for (unsigned xti=0,xi=0; xi<xmax; xi+=X_TILESIZE,xti++) {
// is redraw rectangle outside x boundaries of this tile?
if (x1 < xi) continue;
if (x0 > (xi+X_TILESIZE-1)) continue;
@@ -2422,8 +2419,6 @@
// is redraw rectangle outside y boundaries of this tile?
if (y1 < yi) continue;
if (y0 > (yi+Y_TILESIZE-1)) continue;
- unsigned xti = xi/X_TILESIZE;
- unsigned yti = yi/Y_TILESIZE;
SET_TILE_UPDATED (xti, yti, 1);
}
}
diff -u ../bochs/iodev/vga_tables.h iodev/vga_tables.h
--- iodev/vga_tables.h 1970-01-01 01:00:00 +0100
+++ iodev/vga_tables.h 2003-06-16 22:16:25 +0200
@@ -0,0 +1,313 @@
+/////////////////////////////////////////////////////////////////////////
+// $Id: patch.vga-mode2-speed-dohzono,v 1.6 2003-06-16 20:41:12 vruppert Exp $
+/////////////////////////////////////////////////////////////////////////
+//
+// Copyright (C) 2002 MandrakeSoft S.A.
+//
+// MandrakeSoft S.A.
+// 43, rue d'Aboukir
+// 75002 Paris - France
+// http://www.linux-mandrake.com/
+// http://www.mandrakesoft.com/
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+const Bit8u rdat[][0x100] = {
+{
+0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
+0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
+0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
+0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
+0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
+0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
+0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
+0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
+0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
+0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
+0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
+0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
+0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
+0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
+0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
+0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
+0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
+0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
+0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
+0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
+0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
+},{
+0x00, 0x80, 0x01, 0x81, 0x02, 0x82, 0x03, 0x83,
+0x04, 0x84, 0x05, 0x85, 0x06, 0x86, 0x07, 0x87,
+0x08, 0x88, 0x09, 0x89, 0x0a, 0x8a, 0x0b, 0x8b,
+0x0c, 0x8c, 0x0d, 0x8d, 0x0e, 0x8e, 0x0f, 0x8f,
+0x10, 0x90, 0x11, 0x91, 0x12, 0x92, 0x13, 0x93,
+0x14, 0x94, 0x15, 0x95, 0x16, 0x96, 0x17, 0x97,
+0x18, 0x98, 0x19, 0x99, 0x1a, 0x9a, 0x1b, 0x9b,
+0x1c, 0x9c, 0x1d, 0x9d, 0x1e, 0x9e, 0x1f, 0x9f,
+0x20, 0xa0, 0x21, 0xa1, 0x22, 0xa2, 0x23, 0xa3,
+0x24, 0xa4, 0x25, 0xa5, 0x26, 0xa6, 0x27, 0xa7,
+0x28, 0xa8, 0x29, 0xa9, 0x2a, 0xaa, 0x2b, 0xab,
+0x2c, 0xac, 0x2d, 0xad, 0x2e, 0xae, 0x2f, 0xaf,
+0x30, 0xb0, 0x31, 0xb1, 0x32, 0xb2, 0x33, 0xb3,
+0x34, 0xb4, 0x35, 0xb5, 0x36, 0xb6, 0x37, 0xb7,
+0x38, 0xb8, 0x39, 0xb9, 0x3a, 0xba, 0x3b, 0xbb,
+0x3c, 0xbc, 0x3d, 0xbd, 0x3e, 0xbe, 0x3f, 0xbf,
+0x40, 0xc0, 0x41, 0xc1, 0x42, 0xc2, 0x43, 0xc3,
+0x44, 0xc4, 0x45, 0xc5, 0x46, 0xc6, 0x47, 0xc7,
+0x48, 0xc8, 0x49, 0xc9, 0x4a, 0xca, 0x4b, 0xcb,
+0x4c, 0xcc, 0x4d, 0xcd, 0x4e, 0xce, 0x4f, 0xcf,
+0x50, 0xd0, 0x51, 0xd1, 0x52, 0xd2, 0x53, 0xd3,
+0x54, 0xd4, 0x55, 0xd5, 0x56, 0xd6, 0x57, 0xd7,
+0x58, 0xd8, 0x59, 0xd9, 0x5a, 0xda, 0x5b, 0xdb,
+0x5c, 0xdc, 0x5d, 0xdd, 0x5e, 0xde, 0x5f, 0xdf,
+0x60, 0xe0, 0x61, 0xe1, 0x62, 0xe2, 0x63, 0xe3,
+0x64, 0xe4, 0x65, 0xe5, 0x66, 0xe6, 0x67, 0xe7,
+0x68, 0xe8, 0x69, 0xe9, 0x6a, 0xea, 0x6b, 0xeb,
+0x6c, 0xec, 0x6d, 0xed, 0x6e, 0xee, 0x6f, 0xef,
+0x70, 0xf0, 0x71, 0xf1, 0x72, 0xf2, 0x73, 0xf3,
+0x74, 0xf4, 0x75, 0xf5, 0x76, 0xf6, 0x77, 0xf7,
+0x78, 0xf8, 0x79, 0xf9, 0x7a, 0xfa, 0x7b, 0xfb,
+0x7c, 0xfc, 0x7d, 0xfd, 0x7e, 0xfe, 0x7f, 0xff,
+},{
+0x00, 0x40, 0x80, 0xc0, 0x01, 0x41, 0x81, 0xc1,
+0x02, 0x42, 0x82, 0xc2, 0x03, 0x43, 0x83, 0xc3,
+0x04, 0x44, 0x84, 0xc4, 0x05, 0x45, 0x85, 0xc5,
+0x06, 0x46, 0x86, 0xc6, 0x07, 0x47, 0x87, 0xc7,
+0x08, 0x48, 0x88, 0xc8, 0x09, 0x49, 0x89, 0xc9,
+0x0a, 0x4a, 0x8a, 0xca, 0x0b, 0x4b, 0x8b, 0xcb,
+0x0c, 0x4c, 0x8c, 0xcc, 0x0d, 0x4d, 0x8d, 0xcd,
+0x0e, 0x4e, 0x8e, 0xce, 0x0f, 0x4f, 0x8f, 0xcf,
+0x10, 0x50, 0x90, 0xd0, 0x11, 0x51, 0x91, 0xd1,
+0x12, 0x52, 0x92, 0xd2, 0x13, 0x53, 0x93, 0xd3,
+0x14, 0x54, 0x94, 0xd4, 0x15, 0x55, 0x95, 0xd5,
+0x16, 0x56, 0x96, 0xd6, 0x17, 0x57, 0x97, 0xd7,
+0x18, 0x58, 0x98, 0xd8, 0x19, 0x59, 0x99, 0xd9,
+0x1a, 0x5a, 0x9a, 0xda, 0x1b, 0x5b, 0x9b, 0xdb,
+0x1c, 0x5c, 0x9c, 0xdc, 0x1d, 0x5d, 0x9d, 0xdd,
+0x1e, 0x5e, 0x9e, 0xde, 0x1f, 0x5f, 0x9f, 0xdf,
+0x20, 0x60, 0xa0, 0xe0, 0x21, 0x61, 0xa1, 0xe1,
+0x22, 0x62, 0xa2, 0xe2, 0x23, 0x63, 0xa3, 0xe3,
+0x24, 0x64, 0xa4, 0xe4, 0x25, 0x65, 0xa5, 0xe5,
+0x26, 0x66, 0xa6, 0xe6, 0x27, 0x67, 0xa7, 0xe7,
+0x28, 0x68, 0xa8, 0xe8, 0x29, 0x69, 0xa9, 0xe9,
+0x2a, 0x6a, 0xaa, 0xea, 0x2b, 0x6b, 0xab, 0xeb,
+0x2c, 0x6c, 0xac, 0xec, 0x2d, 0x6d, 0xad, 0xed,
+0x2e, 0x6e, 0xae, 0xee, 0x2f, 0x6f, 0xaf, 0xef,
+0x30, 0x70, 0xb0, 0xf0, 0x31, 0x71, 0xb1, 0xf1,
+0x32, 0x72, 0xb2, 0xf2, 0x33, 0x73, 0xb3, 0xf3,
+0x34, 0x74, 0xb4, 0xf4, 0x35, 0x75, 0xb5, 0xf5,
+0x36, 0x76, 0xb6, 0xf6, 0x37, 0x77, 0xb7, 0xf7,
+0x38, 0x78, 0xb8, 0xf8, 0x39, 0x79, 0xb9, 0xf9,
+0x3a, 0x7a, 0xba, 0xfa, 0x3b, 0x7b, 0xbb, 0xfb,
+0x3c, 0x7c, 0xbc, 0xfc, 0x3d, 0x7d, 0xbd, 0xfd,
+0x3e, 0x7e, 0xbe, 0xfe, 0x3f, 0x7f, 0xbf, 0xff,
+},{
+0x00, 0x20, 0x40, 0x60, 0x80, 0xa0, 0xc0, 0xe0,
+0x01, 0x21, 0x41, 0x61, 0x81, 0xa1, 0xc1, 0xe1,
+0x02, 0x22, 0x42, 0x62, 0x82, 0xa2, 0xc2, 0xe2,
+0x03, 0x23, 0x43, 0x63, 0x83, 0xa3, 0xc3, 0xe3,
+0x04, 0x24, 0x44, 0x64, 0x84, 0xa4, 0xc4, 0xe4,
+0x05, 0x25, 0x45, 0x65, 0x85, 0xa5, 0xc5, 0xe5,
+0x06, 0x26, 0x46, 0x66, 0x86, 0xa6, 0xc6, 0xe6,
+0x07, 0x27, 0x47, 0x67, 0x87, 0xa7, 0xc7, 0xe7,
+0x08, 0x28, 0x48, 0x68, 0x88, 0xa8, 0xc8, 0xe8,
+0x09, 0x29, 0x49, 0x69, 0x89, 0xa9, 0xc9, 0xe9,
+0x0a, 0x2a, 0x4a, 0x6a, 0x8a, 0xaa, 0xca, 0xea,
+0x0b, 0x2b, 0x4b, 0x6b, 0x8b, 0xab, 0xcb, 0xeb,
+0x0c, 0x2c, 0x4c, 0x6c, 0x8c, 0xac, 0xcc, 0xec,
+0x0d, 0x2d, 0x4d, 0x6d, 0x8d, 0xad, 0xcd, 0xed,
+0x0e, 0x2e, 0x4e, 0x6e, 0x8e, 0xae, 0xce, 0xee,
+0x0f, 0x2f, 0x4f, 0x6f, 0x8f, 0xaf, 0xcf, 0xef,
+0x10, 0x30, 0x50, 0x70, 0x90, 0xb0, 0xd0, 0xf0,
+0x11, 0x31, 0x51, 0x71, 0x91, 0xb1, 0xd1, 0xf1,
+0x12, 0x32, 0x52, 0x72, 0x92, 0xb2, 0xd2, 0xf2,
+0x13, 0x33, 0x53, 0x73, 0x93, 0xb3, 0xd3, 0xf3,
+0x14, 0x34, 0x54, 0x74, 0x94, 0xb4, 0xd4, 0xf4,
+0x15, 0x35, 0x55, 0x75, 0x95, 0xb5, 0xd5, 0xf5,
+0x16, 0x36, 0x56, 0x76, 0x96, 0xb6, 0xd6, 0xf6,
+0x17, 0x37, 0x57, 0x77, 0x97, 0xb7, 0xd7, 0xf7,
+0x18, 0x38, 0x58, 0x78, 0x98, 0xb8, 0xd8, 0xf8,
+0x19, 0x39, 0x59, 0x79, 0x99, 0xb9, 0xd9, 0xf9,
+0x1a, 0x3a, 0x5a, 0x7a, 0x9a, 0xba, 0xda, 0xfa,
+0x1b, 0x3b, 0x5b, 0x7b, 0x9b, 0xbb, 0xdb, 0xfb,
+0x1c, 0x3c, 0x5c, 0x7c, 0x9c, 0xbc, 0xdc, 0xfc,
+0x1d, 0x3d, 0x5d, 0x7d, 0x9d, 0xbd, 0xdd, 0xfd,
+0x1e, 0x3e, 0x5e, 0x7e, 0x9e, 0xbe, 0xde, 0xfe,
+0x1f, 0x3f, 0x5f, 0x7f, 0x9f, 0xbf, 0xdf, 0xff,
+},{
+0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70,
+0x80, 0x90, 0xa0, 0xb0, 0xc0, 0xd0, 0xe0, 0xf0,
+0x01, 0x11, 0x21, 0x31, 0x41, 0x51, 0x61, 0x71,
+0x81, 0x91, 0xa1, 0xb1, 0xc1, 0xd1, 0xe1, 0xf1,
+0x02, 0x12, 0x22, 0x32, 0x42, 0x52, 0x62, 0x72,
+0x82, 0x92, 0xa2, 0xb2, 0xc2, 0xd2, 0xe2, 0xf2,
+0x03, 0x13, 0x23, 0x33, 0x43, 0x53, 0x63, 0x73,
+0x83, 0x93, 0xa3, 0xb3, 0xc3, 0xd3, 0xe3, 0xf3,
+0x04, 0x14, 0x24, 0x34, 0x44, 0x54, 0x64, 0x74,
+0x84, 0x94, 0xa4, 0xb4, 0xc4, 0xd4, 0xe4, 0xf4,
+0x05, 0x15, 0x25, 0x35, 0x45, 0x55, 0x65, 0x75,
+0x85, 0x95, 0xa5, 0xb5, 0xc5, 0xd5, 0xe5, 0xf5,
+0x06, 0x16, 0x26, 0x36, 0x46, 0x56, 0x66, 0x76,
+0x86, 0x96, 0xa6, 0xb6, 0xc6, 0xd6, 0xe6, 0xf6,
+0x07, 0x17, 0x27, 0x37, 0x47, 0x57, 0x67, 0x77,
+0x87, 0x97, 0xa7, 0xb7, 0xc7, 0xd7, 0xe7, 0xf7,
+0x08, 0x18, 0x28, 0x38, 0x48, 0x58, 0x68, 0x78,
+0x88, 0x98, 0xa8, 0xb8, 0xc8, 0xd8, 0xe8, 0xf8,
+0x09, 0x19, 0x29, 0x39, 0x49, 0x59, 0x69, 0x79,
+0x89, 0x99, 0xa9, 0xb9, 0xc9, 0xd9, 0xe9, 0xf9,
+0x0a, 0x1a, 0x2a, 0x3a, 0x4a, 0x5a, 0x6a, 0x7a,
+0x8a, 0x9a, 0xaa, 0xba, 0xca, 0xda, 0xea, 0xfa,
+0x0b, 0x1b, 0x2b, 0x3b, 0x4b, 0x5b, 0x6b, 0x7b,
+0x8b, 0x9b, 0xab, 0xbb, 0xcb, 0xdb, 0xeb, 0xfb,
+0x0c, 0x1c, 0x2c, 0x3c, 0x4c, 0x5c, 0x6c, 0x7c,
+0x8c, 0x9c, 0xac, 0xbc, 0xcc, 0xdc, 0xec, 0xfc,
+0x0d, 0x1d, 0x2d, 0x3d, 0x4d, 0x5d, 0x6d, 0x7d,
+0x8d, 0x9d, 0xad, 0xbd, 0xcd, 0xdd, 0xed, 0xfd,
+0x0e, 0x1e, 0x2e, 0x3e, 0x4e, 0x5e, 0x6e, 0x7e,
+0x8e, 0x9e, 0xae, 0xbe, 0xce, 0xde, 0xee, 0xfe,
+0x0f, 0x1f, 0x2f, 0x3f, 0x4f, 0x5f, 0x6f, 0x7f,
+0x8f, 0x9f, 0xaf, 0xbf, 0xcf, 0xdf, 0xef, 0xff,
+},{
+0x00, 0x08, 0x10, 0x18, 0x20, 0x28, 0x30, 0x38,
+0x40, 0x48, 0x50, 0x58, 0x60, 0x68, 0x70, 0x78,
+0x80, 0x88, 0x90, 0x98, 0xa0, 0xa8, 0xb0, 0xb8,
+0xc0, 0xc8, 0xd0, 0xd8, 0xe0, 0xe8, 0xf0, 0xf8,
+0x01, 0x09, 0x11, 0x19, 0x21, 0x29, 0x31, 0x39,
+0x41, 0x49, 0x51, 0x59, 0x61, 0x69, 0x71, 0x79,
+0x81, 0x89, 0x91, 0x99, 0xa1, 0xa9, 0xb1, 0xb9,
+0xc1, 0xc9, 0xd1, 0xd9, 0xe1, 0xe9, 0xf1, 0xf9,
+0x02, 0x0a, 0x12, 0x1a, 0x22, 0x2a, 0x32, 0x3a,
+0x42, 0x4a, 0x52, 0x5a, 0x62, 0x6a, 0x72, 0x7a,
+0x82, 0x8a, 0x92, 0x9a, 0xa2, 0xaa, 0xb2, 0xba,
+0xc2, 0xca, 0xd2, 0xda, 0xe2, 0xea, 0xf2, 0xfa,
+0x03, 0x0b, 0x13, 0x1b, 0x23, 0x2b, 0x33, 0x3b,
+0x43, 0x4b, 0x53, 0x5b, 0x63, 0x6b, 0x73, 0x7b,
+0x83, 0x8b, 0x93, 0x9b, 0xa3, 0xab, 0xb3, 0xbb,
+0xc3, 0xcb, 0xd3, 0xdb, 0xe3, 0xeb, 0xf3, 0xfb,
+0x04, 0x0c, 0x14, 0x1c, 0x24, 0x2c, 0x34, 0x3c,
+0x44, 0x4c, 0x54, 0x5c, 0x64, 0x6c, 0x74, 0x7c,
+0x84, 0x8c, 0x94, 0x9c, 0xa4, 0xac, 0xb4, 0xbc,
+0xc4, 0xcc, 0xd4, 0xdc, 0xe4, 0xec, 0xf4, 0xfc,
+0x05, 0x0d, 0x15, 0x1d, 0x25, 0x2d, 0x35, 0x3d,
+0x45, 0x4d, 0x55, 0x5d, 0x65, 0x6d, 0x75, 0x7d,
+0x85, 0x8d, 0x95, 0x9d, 0xa5, 0xad, 0xb5, 0xbd,
+0xc5, 0xcd, 0xd5, 0xdd, 0xe5, 0xed, 0xf5, 0xfd,
+0x06, 0x0e, 0x16, 0x1e, 0x26, 0x2e, 0x36, 0x3e,
+0x46, 0x4e, 0x56, 0x5e, 0x66, 0x6e, 0x76, 0x7e,
+0x86, 0x8e, 0x96, 0x9e, 0xa6, 0xae, 0xb6, 0xbe,
+0xc6, 0xce, 0xd6, 0xde, 0xe6, 0xee, 0xf6, 0xfe,
+0x07, 0x0f, 0x17, 0x1f, 0x27, 0x2f, 0x37, 0x3f,
+0x47, 0x4f, 0x57, 0x5f, 0x67, 0x6f, 0x77, 0x7f,
+0x87, 0x8f, 0x97, 0x9f, 0xa7, 0xaf, 0xb7, 0xbf,
+0xc7, 0xcf, 0xd7, 0xdf, 0xe7, 0xef, 0xf7, 0xff,
+},{
+0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, 0x18, 0x1c,
+0x20, 0x24, 0x28, 0x2c, 0x30, 0x34, 0x38, 0x3c,
+0x40, 0x44, 0x48, 0x4c, 0x50, 0x54, 0x58, 0x5c,
+0x60, 0x64, 0x68, 0x6c, 0x70, 0x74, 0x78, 0x7c,
+0x80, 0x84, 0x88, 0x8c, 0x90, 0x94, 0x98, 0x9c,
+0xa0, 0xa4, 0xa8, 0xac, 0xb0, 0xb4, 0xb8, 0xbc,
+0xc0, 0xc4, 0xc8, 0xcc, 0xd0, 0xd4, 0xd8, 0xdc,
+0xe0, 0xe4, 0xe8, 0xec, 0xf0, 0xf4, 0xf8, 0xfc,
+0x01, 0x05, 0x09, 0x0d, 0x11, 0x15, 0x19, 0x1d,
+0x21, 0x25, 0x29, 0x2d, 0x31, 0x35, 0x39, 0x3d,
+0x41, 0x45, 0x49, 0x4d, 0x51, 0x55, 0x59, 0x5d,
+0x61, 0x65, 0x69, 0x6d, 0x71, 0x75, 0x79, 0x7d,
+0x81, 0x85, 0x89, 0x8d, 0x91, 0x95, 0x99, 0x9d,
+0xa1, 0xa5, 0xa9, 0xad, 0xb1, 0xb5, 0xb9, 0xbd,
+0xc1, 0xc5, 0xc9, 0xcd, 0xd1, 0xd5, 0xd9, 0xdd,
+0xe1, 0xe5, 0xe9, 0xed, 0xf1, 0xf5, 0xf9, 0xfd,
+0x02, 0x06, 0x0a, 0x0e, 0x12, 0x16, 0x1a, 0x1e,
+0x22, 0x26, 0x2a, 0x2e, 0x32, 0x36, 0x3a, 0x3e,
+0x42, 0x46, 0x4a, 0x4e, 0x52, 0x56, 0x5a, 0x5e,
+0x62, 0x66, 0x6a, 0x6e, 0x72, 0x76, 0x7a, 0x7e,
+0x82, 0x86, 0x8a, 0x8e, 0x92, 0x96, 0x9a, 0x9e,
+0xa2, 0xa6, 0xaa, 0xae, 0xb2, 0xb6, 0xba, 0xbe,
+0xc2, 0xc6, 0xca, 0xce, 0xd2, 0xd6, 0xda, 0xde,
+0xe2, 0xe6, 0xea, 0xee, 0xf2, 0xf6, 0xfa, 0xfe,
+0x03, 0x07, 0x0b, 0x0f, 0x13, 0x17, 0x1b, 0x1f,
+0x23, 0x27, 0x2b, 0x2f, 0x33, 0x37, 0x3b, 0x3f,
+0x43, 0x47, 0x4b, 0x4f, 0x53, 0x57, 0x5b, 0x5f,
+0x63, 0x67, 0x6b, 0x6f, 0x73, 0x77, 0x7b, 0x7f,
+0x83, 0x87, 0x8b, 0x8f, 0x93, 0x97, 0x9b, 0x9f,
+0xa3, 0xa7, 0xab, 0xaf, 0xb3, 0xb7, 0xbb, 0xbf,
+0xc3, 0xc7, 0xcb, 0xcf, 0xd3, 0xd7, 0xdb, 0xdf,
+0xe3, 0xe7, 0xeb, 0xef, 0xf3, 0xf7, 0xfb, 0xff,
+},{
+0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,
+0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
+0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e,
+0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
+0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e,
+0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
+0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e,
+0x70, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7e,
+0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e,
+0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
+0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae,
+0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
+0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce,
+0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde,
+0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee,
+0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe,
+0x01, 0x03, 0x05, 0x07, 0x09, 0x0b, 0x0d, 0x0f,
+0x11, 0x13, 0x15, 0x17, 0x19, 0x1b, 0x1d, 0x1f,
+0x21, 0x23, 0x25, 0x27, 0x29, 0x2b, 0x2d, 0x2f,
+0x31, 0x33, 0x35, 0x37, 0x39, 0x3b, 0x3d, 0x3f,
+0x41, 0x43, 0x45, 0x47, 0x49, 0x4b, 0x4d, 0x4f,
+0x51, 0x53, 0x55, 0x57, 0x59, 0x5b, 0x5d, 0x5f,
+0x61, 0x63, 0x65, 0x67, 0x69, 0x6b, 0x6d, 0x6f,
+0x71, 0x73, 0x75, 0x77, 0x79, 0x7b, 0x7d, 0x7f,
+0x81, 0x83, 0x85, 0x87, 0x89, 0x8b, 0x8d, 0x8f,
+0x91, 0x93, 0x95, 0x97, 0x99, 0x9b, 0x9d, 0x9f,
+0xa1, 0xa3, 0xa5, 0xa7, 0xa9, 0xab, 0xad, 0xaf,
+0xb1, 0xb3, 0xb5, 0xb7, 0xb9, 0xbb, 0xbd, 0xbf,
+0xc1, 0xc3, 0xc5, 0xc7, 0xc9, 0xcb, 0xcd, 0xcf,
+0xd1, 0xd3, 0xd5, 0xd7, 0xd9, 0xdb, 0xdd, 0xdf,
+0xe1, 0xe3, 0xe5, 0xe7, 0xe9, 0xeb, 0xed, 0xef,
+0xf1, 0xf3, 0xf5, 0xf7, 0xf9, 0xfb, 0xfd, 0xff,
+}
+};
+
+
+static const Bit8u ccdat[16][4] = {
+ { 0x00, 0x00, 0x00, 0x00 },
+ { 0xff, 0x00, 0x00, 0x00 },
+ { 0x00, 0xff, 0x00, 0x00 },
+ { 0xff, 0xff, 0x00, 0x00 },
+ { 0x00, 0x00, 0xff, 0x00 },
+ { 0xff, 0x00, 0xff, 0x00 },
+ { 0x00, 0xff, 0xff, 0x00 },
+ { 0xff, 0xff, 0xff, 0x00 },
+ { 0x00, 0x00, 0x00, 0xff },
+ { 0xff, 0x00, 0x00, 0xff },
+ { 0x00, 0xff, 0x00, 0xff },
+ { 0xff, 0xff, 0x00, 0xff },
+ { 0x00, 0x00, 0xff, 0xff },
+ { 0xff, 0x00, 0xff, 0xff },
+ { 0x00, 0xff, 0xff, 0xff },
+ { 0xff, 0xff, 0xff, 0xff },
+};
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