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GBHawk: bug fix

This commit is contained in:
alyosha-tas 2020-11-25 19:05:33 -05:00
parent 53efd448d2
commit cf297dacb5
1 changed files with 7 additions and 6 deletions
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13
src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_GB_PPU.cs
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@ -320,9 +320,10 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
if (HDMA_countdown > 0)
{
HDMA_countdown--;
if ((Core.cpu.TotalExecutedCycles - Core.cpu.instruction_start) == 0)
if (HDMA_countdown == 3)
{
if (HDMA_countdown == 3)
if ((Core.cpu.TotalExecutedCycles - Core.cpu.instruction_start) == 0)
{
if (!Core.HDMA_transfer) { Core.HDMA_start_stop(true); }
VRAM_access_read_HDMA = false;
@ -330,10 +331,10 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
VRAM_access_write_HDMA = false;
VRAM_access_write = VRAM_access_write_PPU & VRAM_access_write_HDMA;
}
}
else
{
HDMA_countdown++;
else
{
HDMA_countdown++;
}
}
}
else