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make_table.cpp
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make_table.cpp
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#include "alfe/main.h"
#include "alfe/vectors.h"
class Program : public ProgramBase
{
public:
void run()
{
static const int numFrames = 838;
static const int numLines = 200;
FileStream output = File("tables.asm").openWrite();
output.write("align 16\n\n");
//output.write("sineTable:");
//for (int y = 0; y < 838 + 116 - 1; ++y) {
// int x = static_cast<int>(78.5 + 78.5 * sin(7 * tau*y / 838));
// if (x >= 157)
// x = 156;
// if (x < 0)
// x = 0;
// if ((y & 7) == 0)
// output.write("\n dw ");
// else
// output.write(", ");
// output.write(String(hex(x*2, 4)));
//}
//output.write("\npixelTable:");
//for (int x = 0; x < 320; ++x) {
// int xx = x % 160;
//
//}
output.write("frameTable:\n");
Int16 frameno_6[numFrames];
Int16 frameno_8[numFrames];
Int32 frameno_1017_acc[numFrames];
Int32 frameno_547_acc[numFrames];
Int32 frameno_78_acc[numFrames];
UInt16 frameno_20020_acc[numFrames];
UInt16 frameno_240247_acc[numFrames];
UInt16 frameno_140144_acc[numFrames];
for (int frame = 0; frame < numFrames; ++frame) {
frameno_6[frame] = (frame*6) & 0xff;
frameno_8[frame] = (frame*8) & 0xff;
//frameno_1017[frame] = frame*1017;
//frameno_547[frame] = frame*547;
//frameno_78[frame] = frame*78;
frameno_1017_acc[frame] = ((frame*1017)>>8) & 0xff;
frameno_547_acc[frame] = ((frame*547)>>8) & 0xff;
frameno_78_acc[frame] = ((frame*78)>>8) & 0xff;
//frameno_20020[frame] = frame*20020;
//frameno_240247[frame] = frame*240247;
//frameno_140144[frame] = frame*140144;
frameno_20020_acc[frame] = ((frame*20020)>>16) & 0xff;
frameno_240247_acc[frame] = ((frame*240247)>>16) & 0xff;
frameno_140144_acc[frame] = ((frame*140144)>>16) & 0xff;
output.write(String(" dw "));
//output.write(String("sintab_16+") + hex(frameno_8[frame]<<1, 4) + ", ");
//output.write(String("sintab_12+") + hex(frameno_6[frame]<<1, 4) + ", ");
//output.write(String("sintab_76+") + hex(frameno_1017_acc[frame]<<1, 4) + ", ");
//output.write(String("sintab_76+") + hex(frameno_547_acc[frame]<<1, 4) + ", ");
//output.write(String("sintab_25+") + hex(frameno_78_acc[frame]<<1, 4) + ", ");
output.write(String(hex(frameno_20020_acc[frame]<<1, 4)) + ", ");
output.write(String(hex(frameno_240247_acc[frame]<<1, 4)) + ", ");
output.write(String(hex(frameno_140144_acc[frame]<<1, 4)) + "\n");
//output.write(String(hex(frame*2, 4)) + "\n");
}
output.write(String("\n"));
Int16 y_900[numLines];
Int16 y_1024[numLines];
UInt16 y_521[numLines];
UInt16 y_1043[numLines];
UInt16 y_642[numLines];
Int16 y_82[numLines];
UInt16 y_469[numLines];
UInt16 y_1064[numLines];
UInt16 y_2107[numLines];
int yTab[numLines];
output.write(String("yTable:\n"));
for (int y = 0; y < numLines; ++y) {
y_900[y] = (Int16)((y*900) >> 8) & 0xff;
y_1024[y] = (Int16)((y*1024) >> 8) & 0xff;
y_521[y] = ((y*130) >> 6) & 0xff;
y_1043[y] = ((y*261) >> 6) & 0xff;
y_642[y] = ((y*161) >> 6) & 0xff;
y_82[y] = y*82;
y_469[y] = ((y*59) >> 5) & 0xff;
y_1064[y] = ((y*133) >> 5) & 0xff;
y_2107[y] = ((y*263) >> 5) & 0xff;
yTab[y] = (y & 1)*1848;
//output.write(" dw " + String(hex(y_82[y], 4)) + ", ");
//output.write(String(hex(((-y_1024[y])&0xff)<<1, 4)) + ", ");
//output.write(String(hex(y_900[y]<<1, 4)) + ", ");
//output.write(String(hex(y_469[y]<<1, 4)) + ", ");
//output.write(String(hex(y_1064[y]<<1, 4)) + ", ");
//output.write(String(hex(y_2107[y]<<1, 4)) + ", ");
output.write(" dw " + String("sintab_42+") + String(hex(y_521[y]<<1, 4)) + ", ");
output.write(String("sintab_25+") + String(hex(y_1043[y]<<1, 4)) + ", ");
output.write(String("sintab_76+") + String(hex(y_642[y]<<1, 4)) + "\n");
//output.write(String(hex(yTab[y], 4)) + "\n");
//output.write(String(hex(y * ((numFrames*2 + 15) >> 4), 4)) + "\n");
}
output.write(String("\n"));
Int16 sintab_12[512];
Int16 sintab_13[512];
Int16 sintab_16[512];
Int16 sintab_25[512];
Int16 sintab_42[512];
Int16 sintab_48[512];
Int16 sintab_76[512];
for (int i = 0; i < 512; ++i) {
sintab_12[i] = (Int16) (sin (i * 2.0 * M_PI / 256.0) * 128.0 * 12.0);
//sintab_13[i] = (Int16) (sin (i * 2.0 * M_PI / 256.0) * 128.0 * 13.0);
sintab_25[i] = (Int16) (sin (i * 2.0 * M_PI / 256.0) * 128.0 * 25.0);
sintab_42[i] = (Int16) (sin (i * 2.0 * M_PI / 256.0) * 128.0 * 42.0 * 2.38) + 77*256;
//sintab_48[i] = (Int16) (sin (i * 2.0 * M_PI / 256.0) * 128.0 * 12.0);
sintab_16[i] = (Int16) (sin (i * 2.0 * M_PI / 256.0) * 128.0 * 16.0 * 2.38);
sintab_76[i] = (Int16) (sin (i * 2.0 * M_PI / 256.0) * 128.0 * 12.0 * 2.38); //76.0);
}
//output.write(String("sintab_12:\n"));
//for (int i = 0; i < 512; ++i)
// output.write(String(" dw ") + hex(sintab_12[i], 4) + "\n");
output.write(String("sintab_25:\n"));
for (int i = 0; i < 512; ++i)
output.write(String(" dw ") + hex(sintab_25[i], 4) + "\n");
output.write(String("sintab_42:\n"));
for (int i = 0; i < 512; ++i)
output.write(String(" dw ") + hex(sintab_42[i], 4) + "\n");
//output.write(String("sintab_16:\n"));
//for (int i = 0; i < 512; ++i)
// output.write(String(" dw ") + hex(sintab_16[i], 4) + "\n");
output.write(String("sintab_76:\n"));
for (int i = 0; i < 512; ++i)
output.write(String(" dw ") + hex(sintab_76[i], 4) + "\n");
int xTab[154];
//output.write(String("xTable:\n"));
for (int x = 0; x < 154; ++x) {
xTab[x] = x*12;
// output.write(String(" dw ") + hex(xTab[x], 4) + "\n");
}
//output.write(String("xTableOdd:\n"));
//for (int x = 0; x < 154; ++x) {
// output.write(String(" dw ") + hex(xTab[x] + 1848, 4) + "\n");
//}
int colourTab[16];
//output.write(String("colourTable:\n"));
for (int colour = 0; colour < 16; ++colour) {
colourTab[colour] = colour*3696;
// output.write(String(" dw ") + hex(colourTab[colour], 4) + "\n");
}
//output.write(String("colourTableEven:\n"));
//for (int colour = 0; colour < 16; ++colour) {
// colourTab[colour] = colour*3696;
// output.write(String(" dw ") + hex(colourTab[colour], 4) + "\n");
//}
//output.write(String("colourTableOdd:\n"));
//for (int colour = 0; colour < 16; ++colour) {
// output.write(String(" dw ") + hex(colourTab[colour] + 1848, 4) + "\n");
//}
//output.write(String("lcTab:\n"));
static char lc[] = { 0, 0, 1, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
//for (int colour = 0; colour < 16; ++colour)
// output.write(String(" dw ") + hex(colourTab[lc[colour]], 4) + "\n");
//
//output.write(String("hcTab:\n"));
static char hc[] = { 0, 1, 9, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
//for (int colour = 0; colour < 16; ++colour)
// output.write(String(" dw ") + hex(colourTab[hc[colour]], 4) + "\n");
//output.write(String("highlightTab:\n"));
static char highlight[] = { 0, 0, 0, 0, 4, 6, 14, 15,
15, 15, 15, 15, 15, 15, 15, 15,
};
//for (int colour = 0; colour < 16; ++colour)
// output.write(String(" dw ") + hex(colourTab[highlight[colour]], 4) + "\n");
UInt16 finalTable[numLines*(numFrames + 2)];
memset(finalTable, 0, numLines*(numFrames + 2)*sizeof(UInt16));
UInt8 kefrensTable[numLines*(numFrames + 2)];
UInt8 rasterTable[numLines*(numFrames + 2)];
int minx = 999;
int maxx = 0;
for (int frame = 0; frame < numFrames; ++frame) {
UInt16 y_accum = 0;
int p = frame;
int lastX = 0;
int lastColour = 0;
int lastV = 0;
for (int y = 0; y < numLines; ++y) {
UInt16 ym = y_82[y]
+ sintab_16[frameno_8[frame] - y_1024[y]]
+ sintab_12[frameno_6[frame] - y_900[y]];
y_accum += ym & 0x1fc0;
int ym3 = ((ym + 0x2000) >> 13);
int colour;
if (y_accum > 0x2000) {
colour = hc[ym3];
y_accum -= 0x2000;
}
else
colour = lc[ym3];
Int16 ovtmp = sintab_76[frameno_1017_acc[frame] + y_469[y]]
+ sintab_76[frameno_547_acc[frame] + y_1064[y]]
+ sintab_25[frameno_78_acc[frame] + y_2107[y]];
if (ovtmp > 8191)
colour = highlight[ovtmp >> 11];
int x = (sintab_42[frameno_20020_acc[frame] + y_521[y]]
+ sintab_25[frameno_240247_acc[frame] + y_1043[y]]
+ sintab_76[frameno_140144_acc[frame] + y_642[y]]) >> 8;
if (x < minx)
minx = x;
if (x > maxx)
maxx = x;
kefrensTable[p] = x - lastX;
lastX = x;
rasterTable[p] = colour - lastColour;
lastColour = colour;
int v = /*xTab[x] + yTab[y] +*/ colourTab[colour];
finalTable[p] = v;
p += (numFrames + 2);
}
}
printf("%i %i\n",minx,maxx);
//for (int y = 0; y < numLines; ++y) {
// int lastX = 0;
// for (int frame = 0; frame < numFrames; ++frame) {
// int x = finalTable[y*(numFrames+2) + frame];
// finalTable[y*(numFrames+2) + frame] = lastX - x;
// lastX = x;
// }
//}
//////output.write(String("rasterTab:\n"));
////for (int y = 0; y < numLines; ++y) {
//// int lastX = 0;
//// //output.write(String(" db "));
//// for (int frame = 0; frame < numFrames; ++frame) {
//// int x = kefrensTable[y*(numFrames+2) + frame];
//// //output.write(String(hex(x - lastX, 2)));
//// //if (frame != numFrames - 1)
//// // output.write(", ");
//// //else
//// // output.write("\n");
//// kefrensTable[y*(numFrames+2) + frame] = x - lastX;
//// lastX = x;
//// }
////}
//////output.write("\n");
//////output.write(String("kefrensTab:\n"));
////for (int y = 0; y < numLines; ++y) {
//// int lastColour = 0;
//// //output.write(" db ");
//// for (int frame = 0; frame < numFrames; ++frame) {
//// int colour = rasterTable[y*(numFrames+2) + frame];
//// //output.write(String(hex(colour - lastColour, 2)));
//// //if (frame != numFrames - 1)
//// // output.write(", ");
//// //else
//// // output.write("\n");
//// rasterTable[y*(numFrames+2) + frame] = colour - lastColour;
//// finalTable[y*(numFrames+2) + frame] = rasterTable[y*(numFrames+2) + frame]*512 + (kefrensTable[y*(numFrames+2) + frame] & 0xff);
//// lastColour = colour;
//// }
////}
//FILE* fp = fopen("tables.dat", "wb");
//fwrite(kefrensTable, 1, numLines*(numFrames + 2), fp);
//fwrite(rasterTable, 1, numLines*(numFrames + 2), fp);
//fwrite(finalTable, 2, numLines*(numFrames + 2), fp);
//fclose(fp);
FILE* fp2 = fopen("q:\\raster_colours.raw", "rb");
Byte rasterColours[154];
fread(rasterColours, 1, 154, fp2);
fclose(fp2);
output.write("rasterData:\n");
for (int i = 0; i < 154; ++i)
output.write(String(" dw ") + hex(3696*rasterColours[i], 4) + "\n");
output.write("\nunrolledCode:\n");
}
};