From 7459b9610c523c455c017426df4c746b06997e5c Mon Sep 17 00:00:00 2001 From: Tatsuya79 Date: Sat, 3 Feb 2018 12:32:31 +0100 Subject: [PATCH] Reduce input lag by 1 frame --- libretro/libretro.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libretro/libretro.c b/libretro/libretro.c index 50c4406..7469f5a 100644 --- a/libretro/libretro.c +++ b/libretro/libretro.c @@ -137,7 +137,6 @@ static void audio_callback(void *gb) static void vblank1(GB_gameboy_t *gb) { vblank1_occurred = true; - GB_update_keys_status(gb, 0); if (audio_out == GB_1) audio_callback(gb); } @@ -145,7 +144,6 @@ static void vblank1(GB_gameboy_t *gb) static void vblank2(GB_gameboy_t *gb) { vblank2_occurred = true; - GB_update_keys_status(gb, 1); if (audio_out == GB_2) audio_callback(gb); } @@ -626,6 +624,10 @@ void retro_run(void) if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated) check_variables(emulated_devices == 2 ? true : false); + GB_update_keys_status(&gameboy[0], 0); + if (emulated_devices == 2) + GB_update_keys_status(&gameboy[1], 1); + vblank1_occurred = vblank2_occurred = false; signed delta = 0; if (emulated_devices == 2)