all repos — mgba @ 92aa78cf0c374e37ba4ef3b7f95a969295e15847

mGBA Game Boy Advance Emulator

GBA: Fix video timing when skipping BIOS (fixes #1318)
Vicki Pfau vi@endrift.com
Sat, 23 Feb 2019 02:08:30 -0800
commit

92aa78cf0c374e37ba4ef3b7f95a969295e15847

parent

31dc70e6370239292dee9649b54e28ff71f08073

2 files changed, 3 insertions(+), 1 deletions(-)

jump to
M CHANGES → CHANGES 
@@ -25,6 +25,7 @@ - Qt: Fix window icon on X11
  - GB, GBA Serialize: Fix loading two states in a row
  - GBA Video: Fix enabling layers in non-tile modes (fixes mgba.io/i/1317)
  - Qt: Fix quick load recent accidentally saving (fixes mgba.io/i/1309)
+ - GBA: Fix video timing when skipping BIOS (fixes mgba.io/i/1318)
 Misc:
  - GBA Savedata: EEPROM performance fixes
  - GBA Savedata: Automatically map 1Mbit Flash files as 1Mbit Flash
M src/gba/gba.c → src/gba/gba.c 
@@ -254,7 +254,8 @@ cpu->gprs[ARM_PC] = BASE_CART0;
 		} else {
 			cpu->gprs[ARM_PC] = BASE_WORKING_RAM;
 		}
-		gba->memory.io[REG_VCOUNT >> 1] = 0x7E;
+		gba->video.vcount = 0x7D;
+		gba->memory.io[REG_VCOUNT >> 1] = 0x7D;
 		gba->memory.io[REG_POSTFLG >> 1] = 1;
 		ARMWritePC(cpu);
 	}