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Diffstat (limited to 'src/mame/drivers/swtpc09.cpp')
-rw-r--r--src/mame/drivers/swtpc09.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/swtpc09.cpp b/src/mame/drivers/swtpc09.cpp
index 3d8aecee168..824422d0e05 100644
--- a/src/mame/drivers/swtpc09.cpp
+++ b/src/mame/drivers/swtpc09.cpp
@@ -61,7 +61,7 @@
/* only ROM from FF00-FFFF and DAT memory at FFF0-FFFF (write only) is guaranteed always*/
static ADDRESS_MAP_START(mp09_mem, AS_PROGRAM, 8, swtpc09_state)
- AM_RANGE(0x0000, 0xffef) AM_READWRITE(main_r, main_w)
+ AM_RANGE(0x0000, 0xfeff) AM_READWRITE(main_r, main_w)
AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("maincpu", 0xff00)
AM_RANGE(0xff00, 0xff0f) AM_MIRROR(0xf0) AM_WRITEONLY AM_SHARE("dat")
ADDRESS_MAP_END