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https://github.com/holub/mame
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Software list items promoted to working
--------------------------------------- odyssey2: Chess Module (Euro) [hap]
This commit is contained in:
hap
parent
206767bf56
commit
18f2dd9ac1
@ -83,7 +83,7 @@ adds 16K RAM and 16K ROM, that plugs into the G7000.
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</part>
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</software>
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<software name="homecomp" supported="no"><!-- needs home computer module emulation, wrong romtype right now, just a placeholder -->
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<software name="homecomp" supported="no"><!-- needs home computer module emulation, wrong romtype right now - move to g7400.xml? -->
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<description>Home Computer Module (Euro)</description><!-- aka Basic -->
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<year>1983</year>
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<publisher>Philips</publisher>
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@ -92,7 +92,7 @@ adds 16K RAM and 16K ROM, that plugs into the G7000.
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<feature name="slot" value="o2_rom" />
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<dataarea name="rom" size="0x4800">
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<rom name="z80_c7420.bin" size="0x4000" crc="939f0e4c" sha1="24c334ba4321f3dd30ac659d35e43f74283ad93b" offset="0" />
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<rom name="vp_c7420.bin" size="0x800" crc="8e824b98" sha1="60dfc1eea93c25f30d25e549f32f837e22735224" offset="0x800" />
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<rom name="vp_c7420.bin" size="0x800" crc="8e824b98" sha1="60dfc1eea93c25f30d25e549f32f837e22735224" offset="0x4000" />
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</dataarea>
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</part>
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</software>
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@ -545,15 +545,16 @@ adds 16K RAM and 16K ROM, that plugs into the G7000.
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</part>
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</software>
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<software name="chess" supported="no"><!-- needs chess module emulation -->
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<software name="chess">
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<description>Chess Module (Euro)</description>
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<year>1982</year>
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<publisher>Philips</publisher>
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<info name="serial" value="C7010"/>
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<part name="cart" interface="odyssey_cart">
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<feature name="slot" value="o2_chess" />
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<dataarea name="rom" size="2048">
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<rom name="chess (europe).bin" size="2048" crc="77066338" sha1="7162359313f66fe759bdd8a34755a5f62f3cadfb" offset="0" />
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<dataarea name="rom" size="0x2800">
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<rom name="z80_c7010.bin" size="0x2000" crc="45080245" sha1="fff3e6449a0e82e8e4ff45e5830c98fc38a8848e" offset="0" />
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<rom name="vp_c7010.bin" size="0x800" crc="77066338" sha1="7162359313f66fe759bdd8a34755a5f62f3cadfb" offset="0x2000" />
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</dataarea>
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</part>
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</software>
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@ -1,5 +1,5 @@
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// license:BSD-3-Clause
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// copyright-holders:Fabio Priuli
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// copyright-holders:hap
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/******************************************************************************
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Videopac C7010 Chess Module emulation
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@ -11,10 +11,6 @@ Hardware notes:
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Service manual with schematics is available.
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TODO:
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- this code is just a stub... hence, almost everything is still to do!
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most importantly, missing 8KB ROM dump
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******************************************************************************/
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#include "emu.h"
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@ -28,22 +24,38 @@ TODO:
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DEFINE_DEVICE_TYPE(O2_ROM_CHESS, o2_chess_device, "o2_chess", "Odyssey 2 Videopac Chess Module")
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o2_chess_device::o2_chess_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
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: o2_rom_device(mconfig, O2_ROM_CHESS, tag, owner, clock)
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, m_cpu(*this, "subcpu")
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o2_chess_device::o2_chess_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
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o2_rom_device(mconfig, O2_ROM_CHESS, tag, owner, clock),
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m_cpu(*this, "subcpu"),
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m_latch(*this, "latch%u", 0)
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{ }
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void o2_chess_device::device_start()
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{
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save_item(NAME(m_control));
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}
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void o2_chess_device::cart_init()
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{
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if (m_rom_size != 0x2800)
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fatalerror("o2_chess_device: Wrong ROM region size\n");
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}
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//-------------------------------------------------
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// address maps
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//-------------------------------------------------
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void o2_chess_device::chess_mem(address_map &map)
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{
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map(0x0000, 0x07ff).r(FUNC(o2_chess_device::read_rom04));
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map(0x0000, 0x1fff).r(FUNC(o2_chess_device::internal_rom_r));
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map(0xe000, 0xe7ff).mirror(0x1800).ram();
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}
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void o2_chess_device::chess_io(address_map &map)
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{
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map.unmap_value_high();
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map.global_mask(0xff);
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map.global_mask(0x01);
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map(0x00, 0x01).r(m_latch[1], FUNC(generic_latch_8_device::read)).w(m_latch[0], FUNC(generic_latch_8_device::write));
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}
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@ -56,4 +68,35 @@ void o2_chess_device::device_add_mconfig(machine_config &config)
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NSC800(config, m_cpu, 4.433619_MHz_XTAL);
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m_cpu->set_addrmap(AS_PROGRAM, &o2_chess_device::chess_mem);
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m_cpu->set_addrmap(AS_IO, &o2_chess_device::chess_io);
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GENERIC_LATCH_8(config, m_latch[0]);
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GENERIC_LATCH_8(config, m_latch[1]);
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}
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//-------------------------------------------------
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// mapper specific handlers
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//-------------------------------------------------
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void o2_chess_device::write_bank(int bank)
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{
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// P10: must be low to access latches
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// P11: reset
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m_cpu->set_input_line(INPUT_LINE_RESET, (bank & 2) ? CLEAR_LINE : ASSERT_LINE);
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m_control = bank;
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}
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u8 o2_chess_device::io_read(offs_t offset)
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{
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if (offset & 0x80 && offset & 0x20 && ~m_control & 1)
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return m_latch[0]->read();
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else
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return 0xff;
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}
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void o2_chess_device::io_write(offs_t offset, u8 data)
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{
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if (offset & 0x80 && ~m_control & 1)
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m_latch[1]->write(data);
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}
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@ -1,5 +1,11 @@
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// license:BSD-3-Clause
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// copyright-holders:Fabio Priuli
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// copyright-holders:hap
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/**********************************************************************
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Videopac C7010 Chess Module emulation
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**********************************************************************/
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#ifndef MAME_BUS_ODYSSEY2_CHESS_H
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#define MAME_BUS_ODYSSEY2_CHESS_H
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@ -8,6 +14,7 @@
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#include "slot.h"
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#include "rom.h"
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#include "cpu/z80/z80.h"
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#include "machine/gen_latch.h"
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// ======================> o2_chess_device
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@ -19,14 +26,29 @@ public:
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o2_chess_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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protected:
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// device-level overrides
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virtual void device_start() override;
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virtual void device_add_mconfig(machine_config &config) override;
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// virtual const rom_entry *device_rom_region() const;
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virtual void cart_init() override;
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virtual u8 read_rom04(offs_t offset) override { return m_rom[offset + 0x2000]; }
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virtual u8 read_rom0c(offs_t offset) override { return m_rom[offset + 0x2000]; }
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virtual void write_bank(int bank) override;
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virtual void io_write(offs_t offset, u8 data) override;
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virtual u8 io_read(offs_t offset) override;
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private:
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required_device<nsc800_device> m_cpu;
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required_device_array<generic_latch_8_device, 2> m_latch;
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u8 internal_rom_r(offs_t offset) { return m_rom[offset]; }
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void chess_io(address_map &map);
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void chess_mem(address_map &map);
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u8 m_control = 0;
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};
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// device type definition
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@ -174,7 +174,7 @@ image_init_result o2_cart_slot_device::call_load()
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m_type = o2_get_pcb_id(pcb_name);
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}
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//printf("Type: %s\n", o2_get_slot(m_type));
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m_cart->cart_init();
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return image_init_result::PASS;
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}
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@ -231,7 +231,7 @@ uint8_t o2_cart_slot_device::read_rom0c(offs_t offset)
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}
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/*-------------------------------------------------
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io_write
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io
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-------------------------------------------------*/
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void o2_cart_slot_device::io_write(offs_t offset, uint8_t data)
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@ -240,6 +240,14 @@ void o2_cart_slot_device::io_write(offs_t offset, uint8_t data)
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m_cart->io_write(offset, data);
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}
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uint8_t o2_cart_slot_device::io_read(offs_t offset)
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{
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if (m_cart)
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return m_cart->io_read(offset);
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else
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return 0xff;
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}
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#include "bus/odyssey2/rom.h"
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#include "bus/odyssey2/chess.h"
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@ -38,8 +38,11 @@ public:
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virtual void write_bank(int bank) { }
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virtual void io_write(offs_t offset, uint8_t data) { }
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virtual uint8_t io_read(offs_t offset) { return 0xff; }
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virtual DECLARE_READ_LINE_MEMBER(t0_read) { return 0; }
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virtual void cart_init() { } // called after loading ROM
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void rom_alloc(uint32_t size, const char *tag);
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void ram_alloc(uint32_t size);
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uint8_t* get_rom_base() { return m_rom; }
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@ -100,9 +103,10 @@ public:
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uint8_t read_rom04(offs_t offset);
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uint8_t read_rom0c(offs_t offset);
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void io_write(offs_t offset, uint8_t data);
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uint8_t io_read(offs_t offset);
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DECLARE_READ_LINE_MEMBER(t0_read) { if (m_cart) return m_cart->t0_read(); else return 0; }
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void write_bank(int bank) { if (m_cart) m_cart->write_bank(bank); }
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void write_bank(int bank) { if (m_cart) m_cart->write_bank(bank); }
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protected:
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// device-level overrides
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@ -88,8 +88,11 @@ WRITE_LINE_MEMBER(o2_voice_device::lrq_callback)
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void o2_voice_device::io_write(offs_t offset, uint8_t data)
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{
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if (data & 0x20)
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m_speech->ald_w(offset & 0x7f);
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else
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m_speech->reset();
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if (offset & 0x80)
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{
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if (data & 0x20)
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m_speech->ald_w(offset & 0x7f);
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else
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m_speech->reset();
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}
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}
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@ -2,12 +2,14 @@
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// copyright-holders:Wilbert Pol
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/***************************************************************************
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/drivers/odyssey2.c
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Driver file to handle emulation of the Odyssey2.
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Driver file to handle emulation of the Odyssey2.
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Minor update to "the voice" rom names, and add comment about
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the older revision of "the voice" - LN, 10/03/08
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TODO:
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- chess has graphics issues near the screen borders: missing A-H at bottom,
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rightmost column is not erased properly, wrongly places chars at top
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- homecomp does not work, needs new slot device
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- a lot more issues, probably, this TODO list was written by someone with
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no knowledge on odyssey2
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***************************************************************************/
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@ -52,7 +54,7 @@ protected:
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required_device<i8244_device> m_i8244;
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required_device<o2_cart_slot_device> m_cart;
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uint8_t m_ram[256];
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uint8_t m_ram[0x80];
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uint8_t m_p1;
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uint8_t m_p2;
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uint8_t m_lum;
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@ -290,19 +292,17 @@ void g7400_state::g7400_palette(palette_device &palette) const
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void odyssey2_state::init_odyssey2()
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{
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uint8_t *gfx = memregion("gfx1")->base();
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memset(m_ram, 0, 0x80);
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uint8_t *gfx = memregion("gfx1")->base();
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for (int i = 0; i < 256; i++)
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{
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gfx[i] = i; /* TODO: Why i and not 0? */
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m_ram[i] = 0;
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}
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gfx[i] = i; /* TODO: Why i and not 0? */
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}
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void odyssey2_state::machine_start()
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{
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save_pointer(NAME(m_ram),256);
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save_item(NAME(m_ram));
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save_item(NAME(m_p1));
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save_item(NAME(m_p2));
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save_item(NAME(m_lum));
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@ -344,16 +344,20 @@ void g7400_state::machine_reset()
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uint8_t odyssey2_state::io_read(offs_t offset)
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{
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u8 data = 0;
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if ((m_p1 & (P1_VDC_COPY_MODE_ENABLE | P1_VDC_ENABLE)) == 0)
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{
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return m_i8244->read(offset);
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data = m_i8244->read(offset);
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}
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if (!(m_p1 & P1_EXT_RAM_ENABLE))
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else if (!(m_p1 & P1_EXT_RAM_ENABLE))
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{
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return m_ram[offset];
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data = m_cart->io_read(offset);
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if (~offset & 0x80)
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data &= m_ram[offset];
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}
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return 0;
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return data;
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}
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@ -361,12 +365,9 @@ void odyssey2_state::io_write(offs_t offset, uint8_t data)
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{
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if ((m_p1 & (P1_EXT_RAM_ENABLE | P1_VDC_COPY_MODE_ENABLE)) == 0x00)
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{
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m_ram[offset] = data;
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if (offset & 0x80)
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{
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logerror("voice write %02X, data = %02X (p1 = %02X)\n", offset, data, m_p1);
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m_cart->io_write(offset, data);
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}
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if (~offset & 0x80)
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m_ram[offset] = data;
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m_cart->io_write(offset, data);
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}
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else if (!(m_p1 & P1_VDC_ENABLE))
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{
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@ -377,20 +378,24 @@ void odyssey2_state::io_write(offs_t offset, uint8_t data)
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uint8_t g7400_state::io_read(offs_t offset)
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{
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u8 data = 0;
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if ((m_p1 & (P1_VDC_COPY_MODE_ENABLE | P1_VDC_ENABLE)) == 0)
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{
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return m_i8244->read(offset);
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data = m_i8244->read(offset);
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}
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else if (!(m_p1 & P1_EXT_RAM_ENABLE))
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{
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return m_ram[offset];
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data = m_cart->io_read(offset);
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if (~offset & 0x80)
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data &= m_ram[offset];
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}
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else if (!(m_p1 & P1_VPP_ENABLE))
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{
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return m_ef9340_1->ef9341_read( offset & 0x02, offset & 0x01 );
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data = m_ef9340_1->ef9341_read( offset & 0x02, offset & 0x01 );
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}
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return 0;
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return data;
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}
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@ -398,12 +403,9 @@ void g7400_state::io_write(offs_t offset, uint8_t data)
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{
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if ((m_p1 & (P1_EXT_RAM_ENABLE | P1_VDC_COPY_MODE_ENABLE)) == 0x00)
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{
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m_ram[offset] = data;
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if (offset & 0x80)
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{
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logerror("voice write %02X, data = %02X (p1 = %02X)\n", offset, data, m_p1);
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m_cart->io_write(offset, data);
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}
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if (~offset & 0x80)
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m_ram[offset] = data;
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m_cart->io_write(offset, data);
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}
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else if (!(m_p1 & P1_VDC_ENABLE))
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{
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@ -892,4 +894,4 @@ COMP( 1978, odyssey2, 0, 0, odyssey2, odyssey2, odyssey2_state, init
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COMP( 1979, videopac, odyssey2, 0, videopac, odyssey2, odyssey2_state, init_odyssey2, "Philips", "Videopac G7000/C52", 0 )
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COMP( 1983, g7400, odyssey2, 0, g7400, odyssey2, g7400_state, init_odyssey2, "Philips", "Videopac Plus G7400", MACHINE_IMPERFECT_GRAPHICS )
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COMP( 1983, jopac, odyssey2, 0, g7400, odyssey2, g7400_state, init_odyssey2, "Brandt", "Jopac JO7400", MACHINE_IMPERFECT_GRAPHICS )
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COMP( 1983, odyssey3, odyssey2, 0, odyssey3, odyssey2, g7400_state, init_odyssey2, "Magnavox", "Odyssey 3 Command Center (prototype)", MACHINE_IMPERFECT_GRAPHICS )
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COMP( 1983, odyssey3, odyssey2, 0, odyssey3, odyssey2, g7400_state, init_odyssey2, "Magnavox", "Odyssey 3 Command Center (prototype)", MACHINE_IMPERFECT_GRAPHICS ) // USA version of G7400
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