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author Aaron Giles <aaron@aarongiles.com>2008-01-29 16:37:58 +0000
committer Aaron Giles <aaron@aarongiles.com>2008-01-29 16:37:58 +0000
commit839029d30256b05cdfed594eecf995d02a5f5812 (patch)
tree5eced076c5b16b64302d897a43982a3287d71b77 /src/emu/tilemap.c
parentbd18da7d71cad0cb3296db82f2ffe42deaa9fdec (diff)
From: Dirk Best
the latest changes in MAME 0.122u7 broke the screenless systems in MESS. The attached patch fixes this.
Diffstat (limited to 'src/emu/tilemap.c')
-rw-r--r--src/emu/tilemap.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/src/emu/tilemap.c b/src/emu/tilemap.c
index 24ef7360d8f..37bbc9a7730 100644
--- a/src/emu/tilemap.c
+++ b/src/emu/tilemap.c
@@ -265,15 +265,18 @@ INLINE tilemap *indexed_tilemap(int index)
void tilemap_init(running_machine *machine)
{
- screen_width = Machine->screen[0].width;
- screen_height = Machine->screen[0].height;
+ screen_width = machine->screen[0].width;
+ screen_height = machine->screen[0].height;
- tilemap_list = NULL;
- tilemap_tailptr = &tilemap_list;
- tilemap_instance = 0;
-
- priority_bitmap = auto_bitmap_alloc(screen_width, screen_height, BITMAP_FORMAT_INDEXED8);
- add_exit_callback(machine, tilemap_exit);
+ if (screen_width != 0 && screen_height != 0)
+ {
+ tilemap_list = NULL;
+ tilemap_tailptr = &tilemap_list;
+ tilemap_instance = 0;
+
+ priority_bitmap = auto_bitmap_alloc(screen_width, screen_height, BITMAP_FORMAT_INDEXED8);
+ add_exit_callback(machine, tilemap_exit);
+ }
}