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Diffstat (limited to 'src/devices/cpu/m37710/m37710.cpp')
-rw-r--r--src/devices/cpu/m37710/m37710.cpp9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/devices/cpu/m37710/m37710.cpp b/src/devices/cpu/m37710/m37710.cpp
index 09e3d3b40dc..9067979db62 100644
--- a/src/devices/cpu/m37710/m37710.cpp
+++ b/src/devices/cpu/m37710/m37710.cpp
@@ -248,7 +248,8 @@ void m37702s1_device::map(address_map &map)
// M37710S4: 2048 bytes internal RAM, no internal ROM
void m37710s4_device::map(address_map &map)
{
- map(0x000000, 0x00007f).noprw();
+ map(0x000000, 0x000001).noprw();
+ map(0x00000a, 0x00007f).noprw();
map(0x00000a, 0x000015).rw(FUNC(m37710s4_device::port_r<4>), FUNC(m37710s4_device::port_w<4>)).umask16(0x00ff);
map(0x00000a, 0x000011).rw(FUNC(m37710s4_device::port_r<5>), FUNC(m37710s4_device::port_w<5>)).umask16(0xff00);
map(0x00001a, 0x00001d).w(FUNC(m37710s4_device::da_reg_w)).umask16(0x00ff);
@@ -268,7 +269,8 @@ void m37710s4_device::map(address_map &map)
// M37720S1: 512 bytes internal RAM, no internal ROM, built-in DMA
void m37720s1_device::map(address_map &map)
{
- map(0x000000, 0x00007f).noprw();
+ map(0x000000, 0x000001).noprw();
+ map(0x00000a, 0x00007f).noprw();
map(0x00000a, 0x000019).rw(FUNC(m37720s1_device::port_r<4>), FUNC(m37720s1_device::port_w<4>)).umask16(0x00ff);
map(0x00000a, 0x000015).rw(FUNC(m37720s1_device::port_r<5>), FUNC(m37720s1_device::port_w<5>)).umask16(0xff00);
map(0x00001a, 0x00001d).w(FUNC(m37720s1_device::pulse_output_w)).umask16(0x00ff);
@@ -294,7 +296,8 @@ void m37720s1_device::map(address_map &map)
// M37730S2: 1024 bytes internal RAM, no internal ROM
void m37730s2_device::map(address_map &map)
{
- map(0x000000, 0x00007f).noprw();
+ map(0x000000, 0x000001).noprw();
+ map(0x00000a, 0x00007f).noprw();
map(0x00000a, 0x000015).rw(FUNC(m37730s2_device::port_r<4>), FUNC(m37730s2_device::port_w<4>)).umask16(0x00ff);
map(0x00000a, 0x00000d).rw(FUNC(m37730s2_device::port_r<5>), FUNC(m37730s2_device::port_w<5>)).umask16(0xff00);
map(0x00005e, 0x00005e).rw(FUNC(m37730s2_device::proc_mode_r), FUNC(m37730s2_device::proc_mode_w));