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Fix sega usb sound device, was using more memory than allocated (fixes zaxxon, segag80)

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This commit is contained in:
Olivier Galibert 2020-11-26 22:02:06 +01:00
parent 615e202943
commit e310e72075
2 changed files with 3 additions and 3 deletions
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4
src/mame/audio/segausb.cpp
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@ -43,7 +43,7 @@ usb_sound_device::usb_sound_device(const machine_config &mconfig, device_type ty
m_out_latch(0),
m_last_p2_value(0),
m_program_ram(*this, "pgmram"),
m_work_ram(*this, "workram"),
m_work_ram(*this, "workram", 4*256, ENDIANNESS_LITTLE),
m_work_ram_bank(0),
m_t1_clock(0),
m_t1_clock_mask(0),
@ -726,7 +726,7 @@ void usb_sound_device::usb_map(address_map &map)
void usb_sound_device::usb_portmap(address_map &map)
{
map(0x00, 0xff).rw(FUNC(usb_sound_device::workram_r), FUNC(usb_sound_device::workram_w)).share("workram");
map(0x00, 0xff).rw(FUNC(usb_sound_device::workram_r), FUNC(usb_sound_device::workram_w));
}

2
src/mame/audio/segausb.h
View File

@ -71,7 +71,7 @@ private:
u8 m_out_latch; // output latch
u8 m_last_p2_value; // current P2 output value
optional_shared_ptr<u8> m_program_ram; // pointer to program RAM
required_shared_ptr<u8> m_work_ram; // pointer to work RAM
memory_share_creator<u8> m_work_ram; // pointer to work RAM
u8 m_work_ram_bank; // currently selected work RAM bank
u8 m_t1_clock; // T1 clock value
u8 m_t1_clock_mask; // T1 clock mask (configured via jumpers)