git.y1.nz

commit 544d39f19d3707af33c889afb02c9a59dbabdf8c
parent 4bbd27735fb6d12ba95deb10437214b2172aeec3
Author: Lior Halphon <LIJI32@gmail.com>
Date:   Sat, 26 Dec 2020 00:19:48 +0200

Further improvements to STOP timing

Diffstat:
M
Core/sm83_cpu.c
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git 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);
 }
 

This webpage is intended to be an accessible preview of this repository. To get a fuller picture, clone it and use the git CLI.