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fixing the color for 2bpp

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This commit is contained in:
Clément Le Bihan
2020-05-28 01:37:27 +02:00
parent a5d353b1ed
commit 4d68e8c300
4 changed files with 32 additions and 20 deletions
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sources/PPU/Background.cpp
+10 -2
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@@ -5,6 +5,7 @@
#include "PPUUtils.hpp"
#include "PPU.hpp"
#include "Background.hpp"
#include "../Models/Vector2.hpp"
namespace ComSquare::PPU
{
@@ -72,6 +73,8 @@ namespace ComSquare::PPU
index = 0;
pos.x -= this->_characterSize.x;
pos.y++;
if (i == 7)
graphicAddress += 0x100 - this->_characterSize.x * this->_bpp;
}
}
@@ -103,9 +106,9 @@ namespace ComSquare::PPU
case 4:
secondHightByte = this->_vram->read_internal((addr + 32) % VRAMSIZE);
secondLowByte = this->_vram->read_internal((addr + 33) %VRAMSIZE);
result = (((secondLowByte & (1U << (7U - nb))) + ((secondHightByte & (1U << (7U - nb))) << 1U)) << 2U) >> (7U - nb - 2);
result = ((secondHightByte & (1U << (7U - nb))) | ((secondLowByte & (1U << (7U - nb))) << 1U)) >> (7U - nb - 2);
case 2:
result += ((lowByte & (1U << (7U - nb))) + ((highByte & (1U << (7U - nb))) << 1U)) >> (7U - nb - 1);
result += ((highByte & (1U << (7U - nb))) | ((lowByte & (1U << (7U - nb))) << 1U)) >> (7U - nb);
default:
break;
}
@@ -137,5 +140,10 @@ namespace ComSquare::PPU
this->_TileMapStartAddress = address;
}
void Background::setCharacterSize(Vector2<int> size)
{
this->_characterSize = size;
}
}