O2Hawk: fix quad behaviour
This commit is contained in:
alyosha-tas
parent
eaca8373d2
commit
a018851703
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@ -476,89 +476,32 @@ namespace BizHawk.Emulation.Cores.Consoles.O2Hawk
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}
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}
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// single characters
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for (int i = 0; i < 12; i++)
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if (VDC_ctrl.Bit(5))
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{
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if (((LY - OBJ_OFST) >= Foreground[i * 4]) && ((LY - OBJ_OFST) < (Foreground[i * 4] + 8 * 2)))
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// single characters
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for (int i = 0; i < 12; i++)
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{
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if ((cycle >= Foreground[i * 4 + 1]) && (cycle < (Foreground[i * 4 + 1] + 8)))
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if (((LY - OBJ_OFST) >= Foreground[i * 4]) && ((LY - OBJ_OFST) < (Foreground[i * 4] + 8 * 2)))
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{
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// sprite is in drawing region, pick a pixel
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int offset_y = ((LY - OBJ_OFST) - Foreground[i * 4]) >> 1;
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int offset_x = 7 - (cycle - Foreground[i * 4 + 1]);
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int char_sel = Foreground[i * 4 + 2];
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int char_pick = (char_sel - (((~(Foreground[i * 4] >> 1)) + 1) & 0xFF));
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if (char_pick < 0)
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if ((cycle >= Foreground[i * 4 + 1]) && (cycle < (Foreground[i * 4 + 1] + 8)))
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{
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char_pick &= 0xFF;
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char_pick |= (Foreground[i * 4 + 3] & 1) << 8;
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}
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else
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{
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char_pick &= 0xFF;
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char_pick |= (~(Foreground[i * 4 + 3] & 1)) << 8;
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char_pick &= 0x1FF;
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}
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// sprite is in drawing region, pick a pixel
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int offset_y = ((LY - OBJ_OFST) - Foreground[i * 4]) >> 1;
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int offset_x = 7 - (cycle - Foreground[i * 4 + 1]);
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int char_sel = Foreground[i * 4 + 2];
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// don't display past the end of a character
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int pixel_pick = 0;
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if (((char_pick + 1) & 7) + offset_y < 8)
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{
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pixel_pick = (Internal_Graphics[(char_pick + offset_y) % 0x200] >> offset_x) & 1;
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}
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if (pixel_pick == 1)
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{
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if (Core._settings.Show_Chars)
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{
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Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Foreground[i * 4 + 3] >> 1) & 0x7];
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Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Foreground[i * 4 + 3] >> 1) & 0x7];
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}
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Pixel_Stat |= 0x80;
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}
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}
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}
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}
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// quads
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// note: the quads all share X/Y values
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for (int i = 3; i >= 0; i--)
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{
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if (((LY - OBJ_OFST) >= Quad_Chars[i * 16]) && ((LY - OBJ_OFST) < (Quad_Chars[i * 16] + 8 * 2)))
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{
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if ((cycle >= Quad_Chars[i * 16 + 1]) && (cycle < (Quad_Chars[i * 16 + 1] + 64)))
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{
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// sprite is in drawing region, pick a pixel
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int offset_y = ((LY - OBJ_OFST) - Quad_Chars[i * 16]) >> 1;
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int offset_x = 63 - (cycle - Quad_Chars[i * 16 + 1]);
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int quad_num = 3;
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while (offset_x > 15)
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{
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offset_x -= 16;
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quad_num--;
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}
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if (offset_x > 7)
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{
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offset_x -= 8;
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int char_sel = Quad_Chars[i * 16 + 4 * quad_num + 2];
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int char_pick = (char_sel - (((~(Quad_Chars[i * 16] >> 1)) + 1) & 0xFF));
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int char_pick = (char_sel - (((~(Foreground[i * 4] >> 1)) + 1) & 0xFF));
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if (char_pick < 0)
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{
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char_pick &= 0xFF;
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char_pick |= (Quad_Chars[i * 16 + 4 * quad_num + 3] & 1) << 8;
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char_pick |= (Foreground[i * 4 + 3] & 1) << 8;
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}
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else
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{
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char_pick &= 0xFF;
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char_pick |= (~(Quad_Chars[i * 16 + 4 * quad_num + 3] & 1)) << 8;
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char_pick |= (~(Foreground[i * 4 + 3] & 1)) << 8;
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char_pick &= 0x1FF;
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}
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@ -572,10 +515,10 @@ namespace BizHawk.Emulation.Cores.Consoles.O2Hawk
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if (pixel_pick == 1)
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{
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if (Core._settings.Show_Quads)
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if (Core._settings.Show_Chars)
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{
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Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Quad_Chars[i * 16 + 4 * quad_num + 3] >> 1) & 0x7];
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Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Quad_Chars[i * 16 + 4 * quad_num + 3] >> 1) & 0x7];
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Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Foreground[i * 4 + 3] >> 1) & 0x7];
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Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Foreground[i * 4 + 3] >> 1) & 0x7];
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}
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Pixel_Stat |= 0x80;
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@ -583,148 +526,132 @@ namespace BizHawk.Emulation.Cores.Consoles.O2Hawk
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}
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}
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}
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}
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// sprites
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for (int i = 3; i >= 0; i--)
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{
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double_size = Sprites[i * 4 + 2].Bit(2) ? 4 : 2;
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right_shift = Sprites[i * 4 + 2].Bit(0) ? 1 : 0;
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if (((LY - OBJ_OFST) >= Sprites[i * 4]) && ((LY - OBJ_OFST) < (Sprites[i * 4] + 8 * double_size)))
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// quads
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// note: the quads all share X/Y values
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for (int i = 3; i >= 0; i--)
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{
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right_shift_even = (Sprites[i * 4 + 2].Bit(1) && (((Sprites[i * 4] + 8 * double_size - (LY - OBJ_OFST)) % 2) == 0)) ? 1 : 0;
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x_base = Sprites[i * 4 + 1];
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if ((right_shift + right_shift_even) == 0)
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if (((LY - OBJ_OFST) >= Quad_Chars[i * 16]) && ((LY - OBJ_OFST) < (Quad_Chars[i * 16] + 8 * 2)))
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{
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if ((cycle >= x_base) && (cycle < (x_base + 8 * (double_size / 2))))
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if ((cycle >= Quad_Chars[i * 16 + 1]) && (cycle < (Quad_Chars[i * 16 + 1] + 64)))
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{
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// character is in drawing region, pick a pixel
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int offset_y = ((LY - OBJ_OFST) - Sprites[i * 4]) >> (double_size / 2);
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int offset_x = (cycle - x_base) >> (double_size / 2 - 1);
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int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
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if (pixel_pick == 1)
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// object is in drawing region, pick a pixel
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int offset_y = ((LY - OBJ_OFST) - Quad_Chars[i * 16]) >> 1;
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int offset_x = 63 - (cycle - Quad_Chars[i * 16 + 1]);
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int quad_num = 3;
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while (offset_x > 15)
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{
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if (Core._settings.Show_Sprites)
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{
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Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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}
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Pixel_Stat |= (byte)(1 << i);
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offset_x -= 16;
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quad_num--;
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}
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}
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}
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else
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{
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// special shifted cases
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// since we are drawing two pixels at a time, we need to be careful that the next background / grid / char pixel
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// doesn't overwrite the shifted pixel on the next pass
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if ((cycle >= x_base) && (cycle < (x_base + 1 + 8 * (double_size / 2))))
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{
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// character is in drawing region, pick a pixel
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int offset_y = ((LY - OBJ_OFST) - Sprites[i * 4]) >> (double_size / 2);
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int offset_x = (cycle - x_base) >> (double_size / 2 - 1);
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if (double_size == 2)
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if (offset_x > 7)
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{
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if ((cycle - x_base) == 8)
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offset_x -= 8;
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int char_sel = Quad_Chars[i * 16 + 4 * quad_num + 2];
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int char_pick = (char_sel - (((~(Quad_Chars[i * 16] >> 1)) + 1) & 0xFF));
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if (char_pick < 0)
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{
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offset_x = 7;
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int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
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if (pixel_pick == 1)
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{
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if (Core._settings.Show_Sprites)
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{
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Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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if ((right_shift + right_shift_even) == 2)
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{
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Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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}
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}
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Pixel_Stat |= (byte)(1 << i);
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}
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}
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else if ((cycle - x_base) == 0)
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{
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if ((right_shift + right_shift_even) < 2)
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{
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offset_x = 0;
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int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
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if (pixel_pick == 1)
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{
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if (Core._settings.Show_Sprites)
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{
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Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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}
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Pixel_Stat |= (byte)(1 << i);
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}
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}
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char_pick &= 0xFF;
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char_pick |= (Quad_Chars[i * 16 + 4 * quad_num + 3] & 1) << 8;
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}
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else
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{
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offset_x = cycle - x_base;
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char_pick &= 0xFF;
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char_pick |= (~(Quad_Chars[i * 16 + 4 * quad_num + 3] & 1)) << 8;
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char_pick &= 0x1FF;
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}
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if ((right_shift + right_shift_even) < 2)
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// don't display past the end of a character
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// for quads, this is controlled by the last quad, so need to recalculate the char
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int char_sel_3 = Quad_Chars[i * 16 + 4 * 3 + 2];
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int char_pick_3 = (char_sel_3 - (((~(Quad_Chars[i * 16] >> 1)) + 1) & 0xFF));
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if (char_pick_3 < 0)
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{
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char_pick_3 &= 0xFF;
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char_pick_3 |= (Quad_Chars[i * 16 + 4 * 3 + 3] & 1) << 8;
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}
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else
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{
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char_pick_3 &= 0xFF;
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char_pick_3 |= (~(Quad_Chars[i * 16 + 4 * 3 + 3] & 1)) << 8;
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char_pick_3 &= 0x1FF;
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}
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int pixel_pick = 0;
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if (((char_pick_3 + 1) & 7) + offset_y < 8)
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{
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pixel_pick = (Internal_Graphics[(char_pick + offset_y) % 0x200] >> offset_x) & 1;
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}
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if (pixel_pick == 1)
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{
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if (Core._settings.Show_Quads)
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{
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int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> (offset_x - 1)) & 1;
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if (pixel_pick == 1)
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{
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if (Core._settings.Show_Sprites)
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{
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Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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}
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Pixel_Stat |= (byte)(1 << i);
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}
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pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
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if (pixel_pick == 1)
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{
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if (Core._settings.Show_Sprites)
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{
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Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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}
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Pixel_Stat |= (byte)(1 << i);
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}
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Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Quad_Chars[i * 16 + 4 * quad_num + 3] >> 1) & 0x7];
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Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Quad_Chars[i * 16 + 4 * quad_num + 3] >> 1) & 0x7];
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}
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else
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{
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offset_x -= 1;
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int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
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if (pixel_pick == 1)
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{
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if (Core._settings.Show_Sprites)
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{
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Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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}
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Pixel_Stat |= (byte)(1 << i);
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}
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}
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Pixel_Stat |= 0x80;
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}
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}
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else
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}
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}
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}
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// sprites
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for (int i = 3; i >= 0; i--)
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{
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double_size = Sprites[i * 4 + 2].Bit(2) ? 4 : 2;
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right_shift = Sprites[i * 4 + 2].Bit(0) ? 1 : 0;
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if (((LY - OBJ_OFST) >= Sprites[i * 4]) && ((LY - OBJ_OFST) < (Sprites[i * 4] + 8 * double_size)))
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{
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right_shift_even = (Sprites[i * 4 + 2].Bit(1) && (((Sprites[i * 4] + 8 * double_size - (LY - OBJ_OFST)) % 2) == 0)) ? 1 : 0;
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x_base = Sprites[i * 4 + 1];
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if ((right_shift + right_shift_even) == 0)
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{
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if ((cycle >= x_base) && (cycle < (x_base + 8 * (double_size / 2))))
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{
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if (((cycle - x_base) >> 1) == 8)
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// character is in drawing region, pick a pixel
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int offset_y = ((LY - OBJ_OFST) - Sprites[i * 4]) >> (double_size / 2);
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int offset_x = (cycle - x_base) >> (double_size / 2 - 1);
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int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
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if (pixel_pick == 1)
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{
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if (((cycle - x_base) % 2) == 0)
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if (Core._settings.Show_Sprites)
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{
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Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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}
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Pixel_Stat |= (byte)(1 << i);
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}
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}
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}
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else
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{
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// special shifted cases
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// since we are drawing two pixels at a time, we need to be careful that the next background / grid / char pixel
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// doesn't overwrite the shifted pixel on the next pass
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if ((cycle >= x_base) && (cycle < (x_base + 1 + 8 * (double_size / 2))))
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{
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// character is in drawing region, pick a pixel
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int offset_y = ((LY - OBJ_OFST) - Sprites[i * 4]) >> (double_size / 2);
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int offset_x = (cycle - x_base) >> (double_size / 2 - 1);
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if (double_size == 2)
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{
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if ((cycle - x_base) == 8)
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{
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offset_x = 7;
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@ -735,6 +662,7 @@ namespace BizHawk.Emulation.Cores.Consoles.O2Hawk
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if (Core._settings.Show_Sprites)
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{
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Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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if ((right_shift + right_shift_even) == 2)
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{
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Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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@ -744,27 +672,7 @@ namespace BizHawk.Emulation.Cores.Consoles.O2Hawk
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Pixel_Stat |= (byte)(1 << i);
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}
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}
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}
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else if (((cycle - x_base) >> 1) == 0)
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{
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if (((cycle - x_base) % 2) == 1)
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{
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offset_x = 0;
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int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
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if (pixel_pick == 1)
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{
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if (Core._settings.Show_Sprites)
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{
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Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
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}
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Pixel_Stat |= (byte)(1 << i);
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}
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}
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else
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else if ((cycle - x_base) == 0)
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{
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if ((right_shift + right_shift_even) < 2)
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{
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@ -783,29 +691,9 @@ namespace BizHawk.Emulation.Cores.Consoles.O2Hawk
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}
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}
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}
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}
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else
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||||
{
|
||||
if (((cycle - x_base) % 2) == 1)
|
||||
{
|
||||
offset_x = (cycle - x_base) >> 1;
|
||||
|
||||
int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
|
||||
|
||||
if (pixel_pick == 1)
|
||||
{
|
||||
if (Core._settings.Show_Sprites)
|
||||
{
|
||||
Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
|
||||
Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
|
||||
}
|
||||
|
||||
Pixel_Stat |= (byte)(1 << i);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
offset_x = (cycle - x_base) >> 1;
|
||||
offset_x = cycle - x_base;
|
||||
|
||||
if ((right_shift + right_shift_even) < 2)
|
||||
{
|
||||
|
|
@ -852,6 +740,139 @@ namespace BizHawk.Emulation.Cores.Consoles.O2Hawk
|
|||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (((cycle - x_base) >> 1) == 8)
|
||||
{
|
||||
if (((cycle - x_base) % 2) == 0)
|
||||
{
|
||||
offset_x = 7;
|
||||
|
||||
int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
|
||||
|
||||
if (pixel_pick == 1)
|
||||
{
|
||||
if (Core._settings.Show_Sprites)
|
||||
{
|
||||
Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
|
||||
if ((right_shift + right_shift_even) == 2)
|
||||
{
|
||||
Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
|
||||
}
|
||||
}
|
||||
|
||||
Pixel_Stat |= (byte)(1 << i);
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (((cycle - x_base) >> 1) == 0)
|
||||
{
|
||||
if (((cycle - x_base) % 2) == 1)
|
||||
{
|
||||
offset_x = 0;
|
||||
|
||||
int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
|
||||
|
||||
if (pixel_pick == 1)
|
||||
{
|
||||
if (Core._settings.Show_Sprites)
|
||||
{
|
||||
Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
|
||||
Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
|
||||
}
|
||||
|
||||
Pixel_Stat |= (byte)(1 << i);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if ((right_shift + right_shift_even) < 2)
|
||||
{
|
||||
offset_x = 0;
|
||||
|
||||
int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
|
||||
|
||||
if (pixel_pick == 1)
|
||||
{
|
||||
if (Core._settings.Show_Sprites)
|
||||
{
|
||||
Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
|
||||
}
|
||||
|
||||
Pixel_Stat |= (byte)(1 << i);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (((cycle - x_base) % 2) == 1)
|
||||
{
|
||||
offset_x = (cycle - x_base) >> 1;
|
||||
|
||||
int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
|
||||
|
||||
if (pixel_pick == 1)
|
||||
{
|
||||
if (Core._settings.Show_Sprites)
|
||||
{
|
||||
Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
|
||||
Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
|
||||
}
|
||||
|
||||
Pixel_Stat |= (byte)(1 << i);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
offset_x = (cycle - x_base) >> 1;
|
||||
|
||||
if ((right_shift + right_shift_even) < 2)
|
||||
{
|
||||
int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> (offset_x - 1)) & 1;
|
||||
|
||||
if (pixel_pick == 1)
|
||||
{
|
||||
if (Core._settings.Show_Sprites)
|
||||
{
|
||||
Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
|
||||
}
|
||||
|
||||
Pixel_Stat |= (byte)(1 << i);
|
||||
}
|
||||
|
||||
pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
|
||||
|
||||
if (pixel_pick == 1)
|
||||
{
|
||||
if (Core._settings.Show_Sprites)
|
||||
{
|
||||
Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
|
||||
}
|
||||
|
||||
Pixel_Stat |= (byte)(1 << i);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
offset_x -= 1;
|
||||
|
||||
int pixel_pick = (Sprite_Shapes[i * 8 + offset_y] >> offset_x) & 1;
|
||||
|
||||
if (pixel_pick == 1)
|
||||
{
|
||||
if (Core._settings.Show_Sprites)
|
||||
{
|
||||
Core._vidbuffer[LY * 372 + current_pixel_offset] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
|
||||
Core._vidbuffer[LY * 372 + current_pixel_offset + 1] = (int)Color_Palette_SPR[(Sprites[i * 4 + 2] >> 3) & 0x7];
|
||||
}
|
||||
|
||||
Pixel_Stat |= (byte)(1 << i);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue