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TileRenderer.cpp is now working for 2 & 4 bpps

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This commit is contained in:
Clément Le Bihan
2021-05-25 23:55:31 +02:00
parent 434dea2ba1
commit 19ca618857
4 changed files with 22 additions and 14 deletions
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10
sources/Debugger/TileViewer/TileRenderer.cpp
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@@ -7,6 +7,7 @@
#include "TileRenderer.hpp"
#include "PPU/PPU.hpp"
#include "PPU/Tile.hpp"
#include <iostream>
namespace ComSquare::Debugger
{
@@ -37,18 +38,19 @@ namespace ComSquare::Debugger
int resetX = bufX;
int it = 0;
for (uint24_t i = 0; i < fmin(this->_ram->getSize(), this->_renderSize); i += this->_bpp, it++) {
if (bufX >= 1024 || bufY >= 1024)
for (uint24_t i = 0; i < fmin(this->_ram->getSize(), this->_renderSize); i += 2, it++) {
if (bufX > 128 || bufY > 128)
break;
if (it && it % 8 == 0) {
resetX += PPU::Tile::NbPixelsWidth;
bufX = resetX;
bufY -= PPU::Tile::NbPixelsHeight;
i += (this->_bpp - 2) * 0x8;
nbTilesDrawn++;
}
if (nbTilesDrawn && nbTilesDrawn % this->_nbColumns == 0) {
nbTilesDrawn = 0;
break;
//break;
resetX = this->_offsetX;
bufX = resetX;
bufY += PPU::Tile::NbPixelsHeight;
@@ -87,7 +89,7 @@ namespace ComSquare::Debugger
case 8:
return highByte;
case 4:
secondHighByte = this->_ram->read((tileRowAddress + 16) % size);
secondHighByte = this->_ram->read((tileRowAddress + 16) % size);
secondLowByte = this->_ram->read((tileRowAddress + 17) % size);
result = ((secondHighByte & (1U << shift)) | ((secondLowByte & (1U << shift)) << 1U));
result = (shift - 2 >= 0) ? result >> (shift - 2) : result << ((shift - 2) * -1);