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Diffstat (limited to 'src/mame/drivers/hp_ipc.cpp')
-rw-r--r--src/mame/drivers/hp_ipc.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mame/drivers/hp_ipc.cpp b/src/mame/drivers/hp_ipc.cpp
index 97c2c0e7b1b..edbf1688da3 100644
--- a/src/mame/drivers/hp_ipc.cpp
+++ b/src/mame/drivers/hp_ipc.cpp
@@ -467,6 +467,9 @@ static ADDRESS_MAP_START(hp_ipc_mem_outer, AS_PROGRAM, 16, hp_ipc_state)
ADDRESS_MAP_END
static ADDRESS_MAP_START(hp_ipc_mem_inner, AS_PROGRAM, 16, hp_ipc_state)
+// bus error handler
+ AM_RANGE(0x0000000, 0x1FFFFFF) AM_READWRITE(trap_r, trap_w)
+
// user mode
AM_RANGE(0x1000000, 0x17FFFFF) AM_READWRITE(ram_r, ram_w)
AM_RANGE(0x1800000, 0x187FFFF) AM_ROM AM_REGION("maincpu", 0)
@@ -490,8 +493,6 @@ static ADDRESS_MAP_START(hp_ipc_mem_inner, AS_PROGRAM, 16, hp_ipc_state)
AM_RANGE(0x0700000, 0x07FFFFF) AM_UNMAP // External I/O
AM_RANGE(0x0800000, 0x0FFFFFF) AM_READWRITE(ram_r, ram_w)
-// bus error handler
- AM_RANGE(0x0000000, 0x1FFFFFF) AM_READWRITE(trap_r, trap_w)
ADDRESS_MAP_END
static INPUT_PORTS_START(hp_ipc)