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Diffstat (limited to 'src/mame/drivers/wmg.cpp')
-rw-r--r--src/mame/drivers/wmg.cpp10
1 files changed, 3 insertions, 7 deletions
diff --git a/src/mame/drivers/wmg.cpp b/src/mame/drivers/wmg.cpp
index 4dd207b9a8a..ac7982eba5f 100644
--- a/src/mame/drivers/wmg.cpp
+++ b/src/mame/drivers/wmg.cpp
@@ -87,8 +87,6 @@ public:
wmg_state(const machine_config &mconfig, device_type type, const char *tag)
: williams_state(mconfig, type, tag)
, m_p_ram(*this, "nvram")
- , m_pia0(*this, "pia_0")
- , m_pia1(*this, "pia_1")
, m_keyboard(*this, "X%d", 0)
{ }
@@ -114,8 +112,6 @@ private:
uint8_t m_wmg_port_select;
uint8_t m_wmg_vram_bank;
required_shared_ptr<uint8_t> m_p_ram;
- required_device<pia6821_device> m_pia0;
- required_device<pia6821_device> m_pia1;
required_ioport_array<17> m_keyboard;
};
@@ -393,8 +389,8 @@ WRITE8_MEMBER( wmg_state::wmg_d000_w )
if (data == 0)
{
/* install the i/o devices into c000-cfff */
- pia6821_device *pia0 = m_pia0;
- pia6821_device *pia1 = m_pia1;
+ pia6821_device *pia0 = m_pia_0;
+ pia6821_device *pia1 = m_pia_1;
space.unmap_read(0xc000, 0xcfff); // throw out bank7
space.install_write_bank (0xc000, 0xc00f, "bank4");
@@ -460,7 +456,7 @@ READ8_MEMBER( wmg_state::wmg_pia_0_r )
Since there is no code in rom to handle this, it must be a hardware feature
which probably just resets the cpu. */
- uint8_t data = m_pia0->read(space, offset);
+ uint8_t data = m_pia_0->read(space, offset);
if ((m_wmg_c400) && (offset == 0) && ((data & 0x30) == 0x30)) // P1 and P2 pressed
{