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megatech.cpp: Replace some tag lookups with finders

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This commit is contained in:
AJR 2021-12-05 13:10:24 -05:00
parent 25f69579bf
commit 5dc5ab60b8
1 changed files with 19 additions and 4 deletions
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23
src/mame/drivers/megatech.cpp
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@ -106,6 +106,9 @@ public:
m_cart7(*this, "mt_slot7"),
m_cart8(*this, "mt_slot8"),
m_bioscpu(*this, "mtbios"),
m_pad(*this, "PAD%u", 1U),
m_alarm_sound(*this, "Alarm_sound"),
m_flash_screen(*this, "Flash_screen"),
m_region_maincpu(*this, "maincpu")
{ }
@ -116,6 +119,7 @@ public:
void init_mt_slot();
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
private:
@ -186,6 +190,9 @@ private:
optional_device<generic_slot_device> m_cart7;
optional_device<generic_slot_device> m_cart8;
required_device<cpu_device> m_bioscpu;
required_ioport_array<2> m_pad;
output_finder<> m_alarm_sound;
output_finder<> m_flash_screen;
required_memory_region m_region_maincpu;
memory_region *m_cart_reg[8];
@ -333,14 +340,14 @@ uint8_t mtech_state::sms_ioport_dc_r()
{
/* 2009-05 FP: would it be worth to give separate inputs to SMS? SMS has only 2 keys A,B (which are B,C on megadrive) */
/* bit 4: TL-A; bit 5: TR-A */
return (ioport("PAD1")->read() & 0x3f) | ((ioport("PAD2")->read() & 0x03) << 6);
return (m_pad[0]->read() & 0x3f) | ((m_pad[1]->read() & 0x03) << 6);
}
uint8_t mtech_state::sms_ioport_dd_r()
{
/* 2009-05 FP: would it be worth to give separate inputs to SMS? SMS has only 2 keys A,B (which are B,C on megadrive) */
/* bit 2: TL-B; bit 3: TR-B; bit 4: RESET; bit 5: unused; bit 6: TH-A; bit 7: TH-B*/
return ((ioport("PAD2")->read() & 0x3c) >> 2) | 0x10;
return ((m_pad[1]->read() & 0x3c) >> 2) | 0x10;
}
@ -485,13 +492,13 @@ uint8_t mtech_state::bios_porte_r()
void mtech_state::bios_portd_w(uint8_t data)
{
output().set_value("Alarm_sound", BIT(data, 7));
m_alarm_sound = BIT(data, 7);
m_bios_ctrl_inputs = data & 0x04; // Genesis/SMS input ports disable bit
}
void mtech_state::bios_porte_w(uint8_t data)
{
output().set_value("Flash_screen", BIT(data, 1));
m_flash_screen = BIT(data, 1);
}
/* this sets 0x300000 which may indicate that the 68k can see the instruction rom
@ -644,6 +651,14 @@ WRITE_LINE_MEMBER(mtech_state::screen_vblank_main)
screen_vblank_megadriv(state);
}
void mtech_state::machine_start()
{
md_base_state::machine_start();
m_alarm_sound.resolve();
m_flash_screen.resolve();
}
void mtech_state::machine_reset()
{
m_mt_bank_addr = 0;