From 544d39f19d3707af33c889afb02c9a59dbabdf8c Mon Sep 17 00:00:00 2001
From: Lior Halphon <LIJI32@gmail.com>
Date: Sat, 26 Dec 2020 00:19:48 +0200
Subject: [PATCH] Further improvements to STOP timing

---
 Core/sm83_cpu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Core/sm83_cpu.c b/Core/sm83_cpu.c
index e56040b..cf73b31 100644
--- a/Core/sm83_cpu.c
+++ b/Core/sm83_cpu.c
@@ -346,9 +346,10 @@ static void leave_stop_mode(GB_gameboy_t *gb)
     gb->vram_ppu_blocked = false;
     gb->cgb_palettes_ppu_blocked = false;
     /* The CPU takes more time to wake up then the other components */
-    for (unsigned i = 0x2000; i--;) {
+    for (unsigned i = 0x1FFF; i--;) {
         GB_advance_cycles(gb, 0x10);
     }
+    GB_advance_cycles(gb, gb->cgb_double_speed? 0x10 : 0xF);
     GB_write_memory(gb, 0xFF00 + GB_IO_DIV, 0);
 }