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fixing the get palette and getTilesetAddress

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This commit is contained in:
Clément Le Bihan
2020-10-13 23:48:40 +02:00
parent 9193daccdb
commit 44ec270c56
2 changed files with 8 additions and 6 deletions
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sources/PPU/Background.cpp
+6 -4
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@@ -5,6 +5,7 @@
#include "PPUUtils.hpp"
#include "PPU.hpp"
#include "Background.hpp"
#include <cmath>
#include "../Models/Vector2.hpp"
namespace ComSquare::PPU
@@ -75,10 +76,11 @@ namespace ComSquare::PPU
std::vector<uint16_t> Background::getPalette(int nbPalette)
{
std::vector<uint16_t> palette(0x10);
uint16_t addr = nbPalette * 0x20;
uint8_t nbColors = std::pow(2, this->_bpp);
uint16_t addr = nbPalette * this->_bpp * this->_bpp * 2;
std::vector<uint16_t> palette(nbColors);
for (int i = 0; i < 0x10; i++) {
for (int i = 0; i < nbColors; i++) {
palette[i] = this->_cgram->read_internal(addr);
palette[i] += this->_cgram->read_internal(addr + 1) << 8U;
addr += 2;
@@ -100,7 +102,7 @@ namespace ComSquare::PPU
column -= TILE_PIXEL_WIDTH;
}
// might not work with 8 bpp must check
tileAddress += this->_bpp * row / 2;
tileAddress += 2 * row;
return this->getPixelReferenceFromTileRow(tileAddress, column);
}