mirror of
https://github.com/holub/mame
synced 2025-05-10 08:12:13 +03:00
cleanup round + converted to bankdev
This commit is contained in:
Michaël Banaan Ananas
parent
2d3993848f
commit
66aab159de
@ -1,4 +1,4 @@
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/*
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/***************************************************************************
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Penguin Adventure bootleg (tagged 'Screen', 1988)
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Original release was on MSX, by Konami in 1986. There is no official arcade release of this game.
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@ -19,13 +19,15 @@ AY-3-8910 @ 1.789766MHz [10.7386/6]
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10.7386 XTAL
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10 position DIPSW (where are they read??)
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NOTE! switches 1, 3 & 5 must be ON or the game will not boot.
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*/
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***************************************************************************/
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#include "emu.h"
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#include "cpu/z80/z80.h"
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#include "video/tms9928a.h"
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#include "sound/ay8910.h"
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#include "machine/i8255.h"
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#include "machine/bankdev.h"
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class pengadvb_state : public driver_device
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@ -33,145 +35,98 @@ class pengadvb_state : public driver_device
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public:
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pengadvb_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu") { }
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m_maincpu(*this, "maincpu"),
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m_page0(*this, "page0"),
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m_page1(*this, "page1"),
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m_page2(*this, "page2"),
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m_page3(*this, "page3"),
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m_bank0(*this, "bank0"),
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m_bank1(*this, "bank1"),
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m_bank2(*this, "bank2"),
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m_bank3(*this, "bank3")
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{ }
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UINT8 *m_main_mem;
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UINT8 m_mem_map;
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UINT8 m_mem_banks[4];
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DECLARE_WRITE8_MEMBER(mem_w);
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DECLARE_READ8_MEMBER(pengadvb_psg_port_a_r);
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required_device<cpu_device> m_maincpu;
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required_device<address_map_bank_device> m_page0;
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required_device<address_map_bank_device> m_page1;
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required_device<address_map_bank_device> m_page2;
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required_device<address_map_bank_device> m_page3;
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required_memory_bank m_bank0;
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required_memory_bank m_bank1;
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required_memory_bank m_bank2;
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required_memory_bank m_bank3;
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UINT8 m_primary_slot_reg;
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UINT8 m_kb_matrix_row;
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DECLARE_WRITE8_MEMBER(megarom_bank_w);
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DECLARE_WRITE8_MEMBER(pengadvb_psg_port_b_w);
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DECLARE_READ8_MEMBER(pengadvb_ppi_port_a_r);
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DECLARE_WRITE8_MEMBER(pengadvb_ppi_port_a_w);
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DECLARE_READ8_MEMBER(pengadvb_ppi_port_b_r);
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DECLARE_WRITE8_MEMBER(pengadvb_ppi_port_c_w);
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DECLARE_WRITE_LINE_MEMBER(vdp_interrupt);
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DECLARE_DRIVER_INIT(pengadvb);
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virtual void machine_start();
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virtual void machine_reset();
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void pengadvb_postload();
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void mem_map_banks();
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void pengadvb_decrypt(const char* region);
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required_device<cpu_device> m_maincpu;
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};
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/***************************************************************************
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void pengadvb_state::mem_map_banks()
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Z80 Memory map
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***************************************************************************/
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WRITE8_MEMBER(pengadvb_state::megarom_bank_w)
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{
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/* memorymap: (rest is assumed unmapped)
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slot 0
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0000-7fff BIOS ROM
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slot 1
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4000-bfff game ROM
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slot 3
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c000-ffff RAM
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*/
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// page 0 (0000-3fff)
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switch(m_mem_map & 3)
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{
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case 0:
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// BIOS
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m_maincpu->space(AS_PROGRAM).install_read_bank(0x0000, 0x3fff, "bank1" );
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membank("bank1")->set_base(memregion("maincpu")->base());
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break;
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default:
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m_maincpu->space(AS_PROGRAM).unmap_read(0x0000, 0x3fff);
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break;
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}
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// page 1 (4000-7fff)
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switch(m_mem_map >> 2 & 3)
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{
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case 0:
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// BIOS
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m_maincpu->space(AS_PROGRAM).install_read_bank(0x4000, 0x5fff, "bank21" );
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m_maincpu->space(AS_PROGRAM).install_read_bank(0x6000, 0x7fff, "bank22" );
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membank("bank21")->set_base(memregion("maincpu")->base() + 0x4000);
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membank("bank22")->set_base(memregion("maincpu")->base() + 0x4000 + 0x2000);
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break;
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case 1:
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// game
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m_maincpu->space(AS_PROGRAM).install_read_bank(0x4000, 0x5fff, "bank21" );
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m_maincpu->space(AS_PROGRAM).install_read_bank(0x6000, 0x7fff, "bank22" );
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membank("bank21")->set_base(memregion("game")->base() + m_mem_banks[0]*0x2000);
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membank("bank22")->set_base(memregion("game")->base() + m_mem_banks[1]*0x2000);
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break;
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default:
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m_maincpu->space(AS_PROGRAM).unmap_read(0x4000, 0x7fff);
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break;
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}
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// page 2 (8000-bfff)
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switch(m_mem_map >> 4 & 3)
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{
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case 1:
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// game
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m_maincpu->space(AS_PROGRAM).install_read_bank(0x8000, 0x9fff, "bank31" );
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m_maincpu->space(AS_PROGRAM).install_read_bank(0xa000, 0xbfff, "bank32" );
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membank("bank31")->set_base(memregion("game")->base() + m_mem_banks[2]*0x2000);
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membank("bank32")->set_base(memregion("game")->base() + m_mem_banks[3]*0x2000);
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break;
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default:
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m_maincpu->space(AS_PROGRAM).unmap_read(0x8000, 0xbfff);
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break;
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}
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// page 3 (c000-ffff)
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switch(m_mem_map >> 6 & 3)
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{
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case 3:
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// RAM
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m_maincpu->space(AS_PROGRAM).install_read_bank(0xc000, 0xffff, "bank4" );
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membank("bank4")->set_base(m_main_mem);
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break;
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default:
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m_maincpu->space(AS_PROGRAM).unmap_read(0xc000, 0xffff);
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break;
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}
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memory_bank *bank[4] = { m_bank0, m_bank1, m_bank2, m_bank3 };
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bank[offset >> 13 & 3]->set_entry(data & 0xf);
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}
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WRITE8_MEMBER(pengadvb_state::mem_w)
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{
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if (offset >= 0xc000)
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{
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// write to RAM
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if ((m_mem_map >> 6 & 3) == 3)
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m_main_mem[offset - 0xc000] = data;
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}
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else if (offset >= 0x4000 && (m_mem_map >> (offset >> 13 & 6) & 3) == 1 && (m_mem_banks[(offset - 0x4000) >> 13] != (data & 0xf)))
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{
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// ROM bankswitch
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m_mem_banks[(offset - 0x4000) >> 13] = data & 0xf;
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mem_map_banks();
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}
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}
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static ADDRESS_MAP_START( program_mem, AS_PROGRAM, 8, pengadvb_state )
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AM_RANGE(0x0000, 0x3fff) AM_ROMBANK("bank1")
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AM_RANGE(0x4000, 0x5fff) AM_ROMBANK("bank21")
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AM_RANGE(0x6000, 0x7fff) AM_ROMBANK("bank22")
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AM_RANGE(0x8000, 0x9fff) AM_ROMBANK("bank31")
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AM_RANGE(0xa000, 0xbfff) AM_ROMBANK("bank32")
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AM_RANGE(0xc000, 0xffff) AM_ROMBANK("bank4")
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AM_RANGE(0x0000, 0xffff) AM_WRITE(mem_w)
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AM_RANGE(0x0000, 0x3fff) AM_DEVICE("page0", address_map_bank_device, amap8)
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AM_RANGE(0x0000, 0x7fff) AM_DEVICE("page1", address_map_bank_device, amap8)
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AM_RANGE(0x0000, 0xbfff) AM_DEVICE("page2", address_map_bank_device, amap8)
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AM_RANGE(0x0000, 0xffff) AM_DEVICE("page3", address_map_bank_device, amap8)
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( bank_mem, AS_PROGRAM, 8, pengadvb_state )
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// slot 0, MSX BIOS
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AM_RANGE(0x00000, 0x07fff) AM_ROM AM_REGION("maincpu", 0)
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// slot 1, MegaROM
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AM_RANGE(0x14000, 0x15fff) AM_ROMBANK("bank0")
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AM_RANGE(0x16000, 0x17fff) AM_ROMBANK("bank1")
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AM_RANGE(0x18000, 0x19fff) AM_ROMBANK("bank2")
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AM_RANGE(0x1a000, 0x1bfff) AM_ROMBANK("bank3")
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AM_RANGE(0x14000, 0x1bfff) AM_WRITE(megarom_bank_w)
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// slot 3, 16KB RAM
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AM_RANGE(0x3c000, 0x3ffff) AM_RAM
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( io_mem, AS_IO, 8, pengadvb_state )
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ADDRESS_MAP_UNMAP_HIGH
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ADDRESS_MAP_GLOBAL_MASK(0xff)
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AM_RANGE(0x98, 0x98) AM_DEVREADWRITE( "tms9928a", tms9928a_device, vram_read, vram_write )
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AM_RANGE(0x99, 0x99) AM_DEVREADWRITE( "tms9928a", tms9928a_device, register_read, register_write )
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AM_RANGE(0x98, 0x98) AM_DEVREADWRITE("tms9128", tms9128_device, vram_read, vram_write)
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AM_RANGE(0x99, 0x99) AM_DEVREADWRITE("tms9128", tms9128_device, register_read, register_write)
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AM_RANGE(0xa0, 0xa1) AM_DEVWRITE("aysnd", ay8910_device, address_data_w)
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AM_RANGE(0xa2, 0xa2) AM_DEVREAD("aysnd", ay8910_device, data_r)
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AM_RANGE(0xa8, 0xab) AM_DEVREADWRITE("ppi8255", i8255_device, read, write)
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ADDRESS_MAP_END
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/***************************************************************************
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Inputs
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***************************************************************************/
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static INPUT_PORTS_START( pengadvb )
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PORT_START("IN0")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP)
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@ -188,42 +143,57 @@ static INPUT_PORTS_START( pengadvb )
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INPUT_PORTS_END
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READ8_MEMBER(pengadvb_state::pengadvb_psg_port_a_r)
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/***************************************************************************
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IC Interfaces
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***************************************************************************/
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// AY8910
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WRITE8_MEMBER(pengadvb_state::pengadvb_psg_port_b_w)
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{
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return ioport("IN0")->read();
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// leftover from msx ver?
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}
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static const ay8910_interface pengadvb_ay8910_interface =
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{
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AY8910_LEGACY_OUTPUT,
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AY8910_DEFAULT_LOADS,
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DEVCB_DRIVER_MEMBER(pengadvb_state,pengadvb_psg_port_a_r),
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DEVCB_INPUT_PORT("IN0"),
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL
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DEVCB_DRIVER_MEMBER(pengadvb_state,pengadvb_psg_port_b_w)
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};
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/**************************************************************************/
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// I8255
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READ8_MEMBER(pengadvb_state::pengadvb_ppi_port_a_r)
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{
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return m_mem_map;
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return m_primary_slot_reg;
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}
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WRITE8_MEMBER(pengadvb_state::pengadvb_ppi_port_a_w)
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{
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if (data != m_mem_map)
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{
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m_mem_map = data;
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mem_map_banks();
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}
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m_page0->set_bank(data >> 0 & 3);
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m_page1->set_bank(data >> 2 & 3);
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m_page2->set_bank(data >> 4 & 3);
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m_page3->set_bank(data >> 6 & 3);
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m_primary_slot_reg = data;
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}
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READ8_MEMBER(pengadvb_state::pengadvb_ppi_port_b_r)
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{
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i8255_device *ppi = machine().device<i8255_device>("ppi8255");
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if ((ppi->read(space, 2) & 0x0f) == 0)
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if (m_kb_matrix_row == 0)
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return ioport("IN1")->read();
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else
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return 0xff;
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}
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return 0xff;
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WRITE8_MEMBER(pengadvb_state::pengadvb_ppi_port_c_w)
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{
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m_kb_matrix_row = data & 0x0f;
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}
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static I8255A_INTERFACE(pengadvb_ppi8255_interface)
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@ -233,70 +203,116 @@ static I8255A_INTERFACE(pengadvb_ppi8255_interface)
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DEVCB_DRIVER_MEMBER(pengadvb_state,pengadvb_ppi_port_b_r),
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL
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DEVCB_DRIVER_MEMBER(pengadvb_state,pengadvb_ppi_port_c_w)
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};
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/**************************************************************************/
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// TMS9928
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WRITE_LINE_MEMBER(pengadvb_state::vdp_interrupt)
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{
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m_maincpu->set_input_line(0, (state ? ASSERT_LINE : CLEAR_LINE));
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}
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static TMS9928A_INTERFACE(pengadvb_tms9928a_interface)
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static TMS9928A_INTERFACE(pengadvb_tms9128_interface)
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{
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0x4000,
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DEVCB_DRIVER_LINE_MEMBER(pengadvb_state,vdp_interrupt)
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};
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void pengadvb_state::pengadvb_postload()
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{
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mem_map_banks();
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}
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/***************************************************************************
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Machine config(s)
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***************************************************************************/
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static MACHINE_CONFIG_START( pengadvb, pengadvb_state )
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/* basic machine hardware */
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MCFG_CPU_ADD("maincpu", Z80, XTAL_10_738635MHz/3)
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MCFG_CPU_PROGRAM_MAP(program_mem)
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MCFG_CPU_IO_MAP(io_mem)
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// -_-;
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MCFG_DEVICE_ADD("page0", ADDRESS_MAP_BANK, 0)
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MCFG_DEVICE_PROGRAM_MAP(bank_mem)
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MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_LITTLE)
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MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
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MCFG_ADDRESS_MAP_BANK_ADDRBUS_WIDTH(18)
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MCFG_ADDRESS_MAP_BANK_STRIDE(0x10000)
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MCFG_DEVICE_ADD("page1", ADDRESS_MAP_BANK, 0)
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MCFG_DEVICE_PROGRAM_MAP(bank_mem)
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MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_LITTLE)
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MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
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MCFG_ADDRESS_MAP_BANK_ADDRBUS_WIDTH(18)
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MCFG_ADDRESS_MAP_BANK_STRIDE(0x10000)
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MCFG_DEVICE_ADD("page2", ADDRESS_MAP_BANK, 0)
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MCFG_DEVICE_PROGRAM_MAP(bank_mem)
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MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_LITTLE)
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MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
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MCFG_ADDRESS_MAP_BANK_ADDRBUS_WIDTH(18)
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MCFG_ADDRESS_MAP_BANK_STRIDE(0x10000)
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MCFG_DEVICE_ADD("page3", ADDRESS_MAP_BANK, 0)
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MCFG_DEVICE_PROGRAM_MAP(bank_mem)
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MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_LITTLE)
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MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
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MCFG_ADDRESS_MAP_BANK_ADDRBUS_WIDTH(18)
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MCFG_ADDRESS_MAP_BANK_STRIDE(0x10000)
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MCFG_I8255_ADD("ppi8255", pengadvb_ppi8255_interface)
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/* video hardware */
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MCFG_TMS9928A_ADD("tms9128", TMS9128, pengadvb_tms9128_interface)
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MCFG_TMS9928A_SCREEN_ADD_NTSC( "screen" )
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MCFG_SCREEN_UPDATE_DEVICE("tms9128", tms9128_device, screen_update)
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/* sound hardware */
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MCFG_SPEAKER_STANDARD_MONO("mono")
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MCFG_SOUND_ADD("aysnd", AY8910, XTAL_10_738635MHz/6)
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MCFG_SOUND_CONFIG(pengadvb_ay8910_interface)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
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MACHINE_CONFIG_END
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/***************************************************************************
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Machine start/init
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***************************************************************************/
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void pengadvb_state::machine_start()
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{
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save_pointer(NAME(m_main_mem), 0x4000);
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save_item(NAME(m_mem_map));
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save_item(NAME(m_mem_banks));
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machine().save().register_postload(save_prepost_delegate(FUNC(pengadvb_state::pengadvb_postload), this));
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save_item(NAME(m_primary_slot_reg));
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save_item(NAME(m_kb_matrix_row));
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}
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void pengadvb_state::machine_reset()
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{
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m_mem_map = 0;
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m_mem_banks[0] = m_mem_banks[1] = m_mem_banks[2] = m_mem_banks[3] = 0;
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mem_map_banks();
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m_primary_slot_reg = 0;
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m_kb_matrix_row = 0;
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m_page0->set_bank(0);
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||||
m_page1->set_bank(0);
|
||||
m_page2->set_bank(0);
|
||||
m_page3->set_bank(0);
|
||||
|
||||
m_bank0->set_entry(0);
|
||||
m_bank1->set_entry(1);
|
||||
m_bank2->set_entry(2);
|
||||
m_bank3->set_entry(3);
|
||||
}
|
||||
|
||||
|
||||
static MACHINE_CONFIG_START( pengadvb, pengadvb_state )
|
||||
|
||||
MCFG_CPU_ADD("maincpu", Z80, XTAL_10_738635MHz/3) /* 3.579545 Mhz */
|
||||
MCFG_CPU_PROGRAM_MAP(program_mem)
|
||||
MCFG_CPU_IO_MAP(io_mem)
|
||||
|
||||
|
||||
MCFG_I8255_ADD( "ppi8255", pengadvb_ppi8255_interface)
|
||||
|
||||
/* video hardware */
|
||||
MCFG_TMS9928A_ADD( "tms9928a", TMS9928A, pengadvb_tms9928a_interface )
|
||||
MCFG_TMS9928A_SCREEN_ADD_NTSC( "screen" )
|
||||
MCFG_SCREEN_UPDATE_DEVICE( "tms9928a", tms9928a_device, screen_update )
|
||||
|
||||
/* sound hardware */
|
||||
MCFG_SPEAKER_STANDARD_MONO("mono")
|
||||
MCFG_SOUND_ADD("aysnd", AY8910, (float)XTAL_10_738635MHz/6)
|
||||
MCFG_SOUND_CONFIG(pengadvb_ay8910_interface)
|
||||
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
|
||||
MACHINE_CONFIG_END
|
||||
|
||||
void pengadvb_state::pengadvb_decrypt(const char* region)
|
||||
{
|
||||
UINT8 *mem = memregion(region)->base();
|
||||
int memsize = memregion(region)->bytes();
|
||||
int i;
|
||||
|
||||
// data lines swap
|
||||
for ( i = 0; i < memsize; i++ )
|
||||
for (int i = 0; i < memsize; i++)
|
||||
{
|
||||
mem[i] = BITSWAP8(mem[i],7,6,5,3,4,2,1,0);
|
||||
}
|
||||
@ -304,7 +320,7 @@ void pengadvb_state::pengadvb_decrypt(const char* region)
|
||||
// address line swap
|
||||
dynamic_buffer buf(memsize);
|
||||
memcpy(buf, mem, memsize);
|
||||
for ( i = 0; i < memsize; i++ )
|
||||
for (int i = 0; i < memsize; i++)
|
||||
{
|
||||
mem[i] = buf[BITSWAP24(i,23,22,21,20,19,18,17,16,15,14,13,5,11,10,9,8,7,6,12,4,3,2,1,0)];
|
||||
}
|
||||
@ -314,10 +330,20 @@ DRIVER_INIT_MEMBER(pengadvb_state,pengadvb)
|
||||
{
|
||||
pengadvb_decrypt("maincpu");
|
||||
pengadvb_decrypt("game");
|
||||
|
||||
m_main_mem = auto_alloc_array(machine(), UINT8, 0x4000);
|
||||
|
||||
m_bank0->configure_entries(0, 0x10, memregion("game")->base(), 0x2000);
|
||||
m_bank1->configure_entries(0, 0x10, memregion("game")->base(), 0x2000);
|
||||
m_bank2->configure_entries(0, 0x10, memregion("game")->base(), 0x2000);
|
||||
m_bank3->configure_entries(0, 0x10, memregion("game")->base(), 0x2000);
|
||||
}
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
|
||||
Game driver(s)
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
ROM_START( pengadvb )
|
||||
ROM_REGION( 0x8000, "maincpu", 0 )
|
||||
ROM_LOAD( "rom.u5", 0x00000, 0x8000, CRC(d21950d2) SHA1(0b1815677f17a680ba63c3839bea2d451813eec8) )
|
||||
@ -327,7 +353,7 @@ ROM_START( pengadvb )
|
||||
ROM_LOAD( "rom.u8", 0x08000, 0x8000, CRC(eada2232) SHA1(f4182f0921b621acd8be6077eb9639b31a97e907) )
|
||||
ROM_LOAD( "rom.u9", 0x10000, 0x8000, CRC(6478c561) SHA1(6f9a794a5bb51e96552f6d1e9fa6515659d25933) )
|
||||
ROM_LOAD( "rom.u10", 0x18000, 0x8000, CRC(5c48360f) SHA1(0866e20969f57b7b7c59df8f7ca203f18c7c9870) )
|
||||
|
||||
ROM_END
|
||||
|
||||
|
||||
GAME( 1988, pengadvb, 0, pengadvb, pengadvb, pengadvb_state, pengadvb, ROT0, "bootleg (Screen) / Konami", "Penguin Adventure (bootleg of MSX version)", GAME_SUPPORTS_SAVE )
|
||||
|
||||
Loading…
Reference in New Issue
Block a user