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Diffstat (limited to 'src/mame/machine/gb.cpp')
-rw-r--r--src/mame/machine/gb.cpp15
1 files changed, 7 insertions, 8 deletions
diff --git a/src/mame/machine/gb.cpp b/src/mame/machine/gb.cpp
index 3e0e04686cc..b5373bb7b9f 100644
--- a/src/mame/machine/gb.cpp
+++ b/src/mame/machine/gb.cpp
@@ -150,8 +150,7 @@ void gb_state::gb_init_regs()
void gb_state::gb_init()
{
- address_space &space = m_maincpu->space(AS_PROGRAM);
- m_apu->sound_w(space, 0x16, 0x00); /* Initialize sound hardware */
+ m_apu->sound_w(0x16, 0x00); /* Initialize sound hardware */
m_divcount = 8;
m_internal_serial_clock = 0;
@@ -747,14 +746,14 @@ static const uint8_t megaduck_sound_offsets[16] = { 0, 2, 1, 3, 4, 6, 5, 7, 8, 9
WRITE8_MEMBER(megaduck_state::megaduck_sound_w1)
{
if ((offset == 0x01) || (offset == 0x07))
- m_apu->sound_w(space, megaduck_sound_offsets[offset], ((data & 0x0f)<<4) | ((data & 0xf0)>>4));
+ m_apu->sound_w(megaduck_sound_offsets[offset], ((data & 0x0f)<<4) | ((data & 0xf0)>>4));
else
- m_apu->sound_w(space, megaduck_sound_offsets[offset], data);
+ m_apu->sound_w(megaduck_sound_offsets[offset], data);
}
READ8_MEMBER(megaduck_state::megaduck_sound_r1)
{
- uint8_t data = m_apu->sound_r(space, megaduck_sound_offsets[offset]);
+ uint8_t data = m_apu->sound_r(megaduck_sound_offsets[offset]);
if ((offset == 0x01) || (offset == 0x07))
return ((data & 0x0f)<<4) | ((data & 0xf0)>>4);
else
@@ -764,14 +763,14 @@ READ8_MEMBER(megaduck_state::megaduck_sound_r1)
WRITE8_MEMBER(megaduck_state::megaduck_sound_w2)
{
if ((offset == 0x01) || (offset == 0x02))
- m_apu->sound_w(space, 0x10 + megaduck_sound_offsets[offset], ((data & 0x0f)<<4) | ((data & 0xf0)>>4));
+ m_apu->sound_w(0x10 + megaduck_sound_offsets[offset], ((data & 0x0f)<<4) | ((data & 0xf0)>>4));
else
- m_apu->sound_w(space, 0x10 + megaduck_sound_offsets[offset], data);
+ m_apu->sound_w(0x10 + megaduck_sound_offsets[offset], data);
}
READ8_MEMBER(megaduck_state::megaduck_sound_r2)
{
- uint8_t data = m_apu->sound_r(space, 0x10 + megaduck_sound_offsets[offset]);
+ uint8_t data = m_apu->sound_r(0x10 + megaduck_sound_offsets[offset]);
if ((offset == 0x01) || (offset == 0x02))
return ((data & 0x0f)<<4) | ((data & 0xf0)>>4);
else