Mercurial > repos > blastem

changeset 1281:34113230fd88

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix heuristic detection of SRAM for 3MB ROMs with SRAM at the 3MB mark
author Michael Pavone <pavone@retrodev.com>
date Tue, 14 Mar 2017 00:06:19 -0700
parents 6a6cc3b3949b
children c5821f9de325
files romdb.c
diffstat 1 files changed, 3 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/romdb.c	Tue Mar 14 00:05:33 2017 -0700
+++ b/romdb.c	Tue Mar 14 00:06:19 2017 -0700
@@ -529,6 +529,9 @@
 
 		if (ram_start >= rom_end) {
 			info->map[0].end = rom_end < 0x400000 ? nearest_pow2(rom_end) - 1 : 0xFFFFFF;
+			if (info->map[0].end > ram_start) {
+				info->map[0].end = ram_start;
+			}
 			//TODO: ROM mirroring
 			info->map[0].mask = 0xFFFFFF;
 			info->map[0].flags = MMAP_READ;