From cf297dacb5db9a2c3bd7e2574d201d514fcfea3a Mon Sep 17 00:00:00 2001 From: alyosha-tas Date: Wed, 25 Nov 2020 19:05:33 -0500 Subject: [PATCH] GBHawk: bug fix --- .../Consoles/Nintendo/GBHawk/GBC_GB_PPU.cs | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_GB_PPU.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_GB_PPU.cs index 795ecf2f9e..e1d9a97e8f 100644 --- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_GB_PPU.cs +++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_GB_PPU.cs @@ -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