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fixing hard to track dumb mistake

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This commit is contained in:
Clément Le Bihan
2021-07-04 22:43:02 +02:00
parent ba43efe262
commit e0d46121a8
1 changed files with 4 additions and 3 deletions
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sources/PPU/PPU.cpp
+4 -3
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@@ -146,8 +146,9 @@ namespace ComSquare::PPU
FALLTHROUGH
case PpuRegisters::bg2hofs:
case PpuRegisters::bg3hofs:
case PpuRegisters::bg4hofs:
this->_registers._bgofs[addr - PpuRegisters::bg1hofs].raw = ((data << 8) | (this->_ppuState.hvSharedScrollPrevValue & ~7) | (this->_ppuState.hScrollPrevValue & 7)) & 0x3FF;
case PpuRegisters::bg4hofs: this->_registers._bgofs[addr - PpuRegisters::bg1hofs].raw =
((data << 8) | (this->_ppuState.hvSharedScrollPrevValue & ~7) |
(this->_ppuState.hScrollPrevValue & 7)) & 0x3FF;
this->_ppuState.hScrollPrevValue = data;
this->_ppuState.hvSharedScrollPrevValue = data;
break;
@@ -158,7 +159,7 @@ namespace ComSquare::PPU
case PpuRegisters::bg2vofs:
case PpuRegisters::bg3vofs:
case PpuRegisters::bg4vofs:
this->_registers._bgofs[addr - PpuRegisters::bg1hofs].raw = ((data << 8) | this->_ppuState.hvSharedScrollPrevValue) & 0x3FF;
this->_registers._bgofs[addr - PpuRegisters::bg1vofs].raw = ((data << 8) | this->_ppuState.hvSharedScrollPrevValue) & 0x3FF;
this->_ppuState.hvSharedScrollPrevValue = data;
break;
case PpuRegisters::vmain: