mirror of
https://github.com/holub/mame
synced 2025-04-25 09:50:04 +03:00
laser500 etc : added bankdev, fixes MT 07180 (crash on hard reset)
This commit is contained in:
Robbbert
parent
52537abc08
commit
0e43a220ef
@ -59,9 +59,9 @@
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F 0x3c000 - 0x3ffff ROM expansion
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TODO:
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Add ROMs and drivers for the Laser100, 110,
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210 and 310 machines and the Texet 8000.
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They should probably go to the vtech1.c files, though.
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- Hook up cart slots
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- Ram pak
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- undumped DOS ROM
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***************************************************************************/
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@ -77,24 +77,89 @@
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#include "formats/vt_cas.h"
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void vtech2_state::vtech2_mem(address_map &map)
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void vtech2_state::mem_map(address_map &map)
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{
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map.unmap_value_high();
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map(0x0000, 0x3fff).bankrw("bank1");
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map(0x4000, 0x7fff).bankrw("bank2");
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map(0x8000, 0xbfff).bankrw("bank3");
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map(0xc000, 0xffff).bankrw("bank4");
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map(0x0000, 0x3fff).m(m_banka, FUNC(address_map_bank_device::amap8));
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map(0x4000, 0x7fff).m(m_bankb, FUNC(address_map_bank_device::amap8));
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map(0x8000, 0xbfff).m(m_bankc, FUNC(address_map_bank_device::amap8));
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map(0xc000, 0xffff).m(m_bankd, FUNC(address_map_bank_device::amap8));
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}
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void vtech2_state::vtech2_io(address_map &map)
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void vtech2_state::io_map(address_map &map)
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{
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map.global_mask(0xff);
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map(0x10, 0x1f).rw(FUNC(vtech2_state::laser_fdc_r), FUNC(vtech2_state::laser_fdc_w));
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map(0x40, 0x43).w(FUNC(vtech2_state::laser_bank_select_w));
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map(0x40, 0x40).lw8("set_bankA", [this] (u8 data) { m_banka->set_bank(data & 15); });
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map(0x41, 0x41).lw8("set_bankB", [this] (u8 data) { m_bankb->set_bank(data & 15); });
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map(0x42, 0x42).lw8("set_bankC", [this] (u8 data) { m_bankc->set_bank(data & 15); });
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map(0x43, 0x43).lw8("set_bankD", [this] (u8 data) { m_bankd->set_bank(data & 15); });
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map(0x44, 0x44).w(FUNC(vtech2_state::laser_bg_mode_w));
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map(0x45, 0x45).w(FUNC(vtech2_state::laser_two_color_w));
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}
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// Laser 350, 16k ram
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void vtech2_state::m_map350(address_map &map)
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{
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map(0x00000, 0x03fff).rom().region("maincpu", 0);
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map(0x04000, 0x07fff).rom().region("maincpu", 0x4000);
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map(0x08000, 0x0bfff).rw(FUNC(vtech2_state::mmio_r), FUNC(vtech2_state::mmio_w));
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map(0x0c000, 0x0ffff).ram().share(m_videoram);
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map(0x10000, 0x13fff).noprw();
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map(0x14000, 0x17fff).noprw();
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map(0x18000, 0x1bfff).noprw();
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map(0x1c000, 0x1ffff).noprw();
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map(0x20000, 0x23fff).noprw(); // TODO: 64k ram expansion pak
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map(0x24000, 0x27fff).noprw(); // TODO: 64k ram expansion pak
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map(0x28000, 0x2bfff).noprw(); // TODO: 64k ram expansion pak
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map(0x2c000, 0x2ffff).noprw(); // TODO: 64k ram expansion pak
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map(0x30000, 0x33fff).noprw(); // TODO: rom in expansion port
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map(0x34000, 0x37fff).noprw(); // TODO: rom in expansion port
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map(0x38000, 0x3bfff).noprw(); // TODO: rom in expansion port
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map(0x3c000, 0x3ffff).noprw(); // TODO: rom in expansion port
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}
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// Laser 500, 64k ram
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void vtech2_state::m_map500(address_map &map)
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{
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map(0x00000, 0x03fff).rom().region("maincpu", 0);
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map(0x04000, 0x07fff).rom().region("maincpu", 0x4000);
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map(0x08000, 0x0bfff).rw(FUNC(vtech2_state::mmio_r), FUNC(vtech2_state::mmio_w));
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map(0x0c000, 0x0ffff).noprw();
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map(0x10000, 0x13fff).ram();
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map(0x14000, 0x17fff).ram();
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map(0x18000, 0x1bfff).ram();
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map(0x1c000, 0x1ffff).ram().share(m_videoram);
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map(0x20000, 0x23fff).noprw(); // TODO: 64k ram expansion pak
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map(0x24000, 0x27fff).noprw(); // TODO: 64k ram expansion pak
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map(0x28000, 0x2bfff).noprw(); // TODO: 64k ram expansion pak
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map(0x2c000, 0x2ffff).noprw(); // TODO: 64k ram expansion pak
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map(0x30000, 0x33fff).noprw(); // TODO: rom in expansion port
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map(0x34000, 0x37fff).noprw(); // TODO: rom in expansion port
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map(0x38000, 0x3bfff).noprw(); // TODO: rom in expansion port
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map(0x3c000, 0x3ffff).noprw(); // TODO: rom in expansion port
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}
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// Laser 700, 128k ram
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void vtech2_state::m_map700(address_map &map)
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{
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map(0x00000, 0x03fff).rom().region("maincpu", 0);
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map(0x04000, 0x07fff).rom().region("maincpu", 0x4000);
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map(0x08000, 0x0bfff).rw(FUNC(vtech2_state::mmio_r), FUNC(vtech2_state::mmio_w));
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map(0x0c000, 0x0ffff).noprw();
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map(0x10000, 0x13fff).ram();
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map(0x14000, 0x17fff).ram();
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map(0x18000, 0x1bfff).ram();
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map(0x1c000, 0x1ffff).ram().share(m_videoram);
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map(0x20000, 0x23fff).ram();
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map(0x24000, 0x27fff).ram();
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map(0x28000, 0x2bfff).ram();
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map(0x2c000, 0x2ffff).ram();
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map(0x30000, 0x33fff).noprw(); // TODO: rom in expansion port
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map(0x34000, 0x37fff).noprw(); // TODO: rom in expansion port
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map(0x38000, 0x3bfff).noprw(); // TODO: rom in expansion port
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map(0x3c000, 0x3ffff).noprw(); // TODO: rom in expansion port
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}
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static INPUT_PORTS_START( laser500 )
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PORT_START("ROW0") /* KEY ROW 0 */
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@ -428,11 +493,16 @@ static const floppy_interface vtech2_floppy_interface =
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MACHINE_CONFIG_START(vtech2_state::laser350)
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/* basic machine hardware */
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MCFG_DEVICE_ADD("maincpu", Z80, 3694700) /* 3.694700 MHz */
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MCFG_DEVICE_PROGRAM_MAP(vtech2_mem)
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MCFG_DEVICE_IO_MAP(vtech2_io)
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MCFG_DEVICE_PROGRAM_MAP(mem_map)
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MCFG_DEVICE_IO_MAP(io_map)
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MCFG_DEVICE_VBLANK_INT_DRIVER("screen", vtech2_state, vtech2_interrupt)
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MCFG_QUANTUM_TIME(attotime::from_hz(60))
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ADDRESS_MAP_BANK(config, "banka").set_map(&vtech2_state::m_map350).set_options(ENDIANNESS_LITTLE, 8, 18, 0x4000);
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ADDRESS_MAP_BANK(config, "bankb").set_map(&vtech2_state::m_map350).set_options(ENDIANNESS_LITTLE, 8, 18, 0x4000);
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ADDRESS_MAP_BANK(config, "bankc").set_map(&vtech2_state::m_map350).set_options(ENDIANNESS_LITTLE, 8, 18, 0x4000);
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ADDRESS_MAP_BANK(config, "bankd").set_map(&vtech2_state::m_map350).set_options(ENDIANNESS_LITTLE, 8, 18, 0x4000);
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/* video hardware */
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MCFG_SCREEN_ADD("screen", RASTER)
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MCFG_SCREEN_REFRESH_RATE(50)
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@ -467,13 +537,29 @@ MACHINE_CONFIG_END
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MACHINE_CONFIG_START(vtech2_state::laser500)
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laser350(config);
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MCFG_MACHINE_RESET_OVERRIDE(vtech2_state, laser500 )
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config.device_remove("banka");
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config.device_remove("bankb");
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config.device_remove("bankc");
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config.device_remove("bankd");
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ADDRESS_MAP_BANK(config, "banka").set_map(&vtech2_state::m_map500).set_options(ENDIANNESS_LITTLE, 8, 18, 0x4000);
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ADDRESS_MAP_BANK(config, "bankb").set_map(&vtech2_state::m_map500).set_options(ENDIANNESS_LITTLE, 8, 18, 0x4000);
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ADDRESS_MAP_BANK(config, "bankc").set_map(&vtech2_state::m_map500).set_options(ENDIANNESS_LITTLE, 8, 18, 0x4000);
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ADDRESS_MAP_BANK(config, "bankd").set_map(&vtech2_state::m_map500).set_options(ENDIANNESS_LITTLE, 8, 18, 0x4000);
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MACHINE_CONFIG_END
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MACHINE_CONFIG_START(vtech2_state::laser700)
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laser350(config);
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MCFG_MACHINE_RESET_OVERRIDE(vtech2_state, laser700 )
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config.device_remove("banka");
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config.device_remove("bankb");
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config.device_remove("bankc");
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config.device_remove("bankd");
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ADDRESS_MAP_BANK(config, "banka").set_map(&vtech2_state::m_map700).set_options(ENDIANNESS_LITTLE, 8, 18, 0x4000);
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ADDRESS_MAP_BANK(config, "bankb").set_map(&vtech2_state::m_map700).set_options(ENDIANNESS_LITTLE, 8, 18, 0x4000);
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ADDRESS_MAP_BANK(config, "bankc").set_map(&vtech2_state::m_map700).set_options(ENDIANNESS_LITTLE, 8, 18, 0x4000);
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ADDRESS_MAP_BANK(config, "bankd").set_map(&vtech2_state::m_map700).set_options(ENDIANNESS_LITTLE, 8, 18, 0x4000);
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/* Second 5.25" floppy drive */
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MCFG_LEGACY_FLOPPY_DRIVE_ADD( FLOPPY_1, vtech2_floppy_interface )
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@ -9,6 +9,7 @@
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#ifndef MAME_INCLUDES_VTECH2_H
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#define MAME_INCLUDES_VTECH2_H
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#include "machine/bankdev.h"
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#include "bus/generic/carts.h"
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#include "bus/generic/slot.h"
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#include "imagedev/cassette.h"
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@ -30,7 +31,12 @@ public:
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, m_laser_file(*this, {FLOPPY_0, FLOPPY_1})
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, m_gfxdecode(*this, "gfxdecode")
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, m_palette(*this, "palette")
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, m_videoram(*this, "videoram")
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, m_io_keyboard(*this, {"ROW0", "ROW1", "ROW2", "ROW3", "ROW4", "ROW5", "ROW6", "ROW7", "ROWD", "ROWC", "ROWB", "ROWA"})
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, m_banka(*this, "banka")
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, m_bankb(*this, "bankb")
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, m_bankc(*this, "bankc")
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, m_bankd(*this, "bankd")
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{ }
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void laser350(machine_config &config);
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@ -48,31 +54,20 @@ private:
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DECLARE_WRITE8_MEMBER(laser_two_color_w);
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DECLARE_READ8_MEMBER(laser_fdc_r);
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virtual void machine_reset() override;
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virtual void video_start() override;
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DECLARE_PALETTE_INIT(vtech2);
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DECLARE_MACHINE_RESET(laser500);
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DECLARE_MACHINE_RESET(laser700);
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uint32_t screen_update_laser(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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INTERRUPT_GEN_MEMBER(vtech2_interrupt);
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DECLARE_WRITE8_MEMBER(mmio_w);
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DECLARE_READ8_MEMBER(mmio_r);
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int mra_bank(int bank, int offs);
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void mwa_bank(int bank, int offs, int data);
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DECLARE_WRITE8_MEMBER(mwa_bank1);
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DECLARE_WRITE8_MEMBER(mwa_bank2);
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DECLARE_WRITE8_MEMBER(mwa_bank3);
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DECLARE_WRITE8_MEMBER(mwa_bank4);
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DECLARE_READ8_MEMBER(mra_bank1);
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DECLARE_READ8_MEMBER(mra_bank2);
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DECLARE_READ8_MEMBER(mra_bank3);
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DECLARE_READ8_MEMBER(mra_bank4);
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void laser_machine_init(int bank_mask, int video_mask);
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void laser_get_track();
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void laser_put_track();
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void vtech2_io(address_map &map);
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void vtech2_mem(address_map &map);
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void io_map(address_map &map);
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void mem_map(address_map &map);
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void m_map350(address_map &map);
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void m_map500(address_map &map);
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void m_map700(address_map &map);
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required_device<cpu_device> m_maincpu;
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required_device<speaker_sound_device> m_speaker;
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@ -81,16 +76,16 @@ private:
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optional_device_array<legacy_floppy_image_device, 2> m_laser_file;
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required_device<gfxdecode_device> m_gfxdecode;
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required_device<palette_device> m_palette;
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optional_shared_ptr<u8> m_videoram;
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required_ioport_array<12> m_io_keyboard;
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required_device<address_map_bank_device> m_banka;
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required_device<address_map_bank_device> m_bankb;
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required_device<address_map_bank_device> m_bankc;
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required_device<address_map_bank_device> m_bankd;
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uint8_t *m_videoram;
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int m_laser_latch;
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char m_laser_frame_message[64+1];
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int m_laser_frame_time;
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uint8_t *m_mem;
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int m_laser_bank_mask;
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int m_laser_bank[4];
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int m_laser_video_bank;
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u8 m_laser_latch;
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uint8_t m_laser_track_x2[2];
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uint8_t m_laser_fdc_status;
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uint8_t m_laser_fdc_data[TRKSIZE_FM];
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@ -26,36 +26,6 @@
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static const uint8_t laser_fdc_wrprot[2] = {0x80, 0x80};
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/* wrappers for bank #1 to #4 */
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WRITE8_MEMBER(vtech2_state::mwa_bank1 ) { mwa_bank(0,offset,data); }
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WRITE8_MEMBER(vtech2_state::mwa_bank2 ) { mwa_bank(1,offset,data); }
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WRITE8_MEMBER(vtech2_state::mwa_bank3 ) { mwa_bank(2,offset,data); }
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WRITE8_MEMBER(vtech2_state::mwa_bank4 ) { mwa_bank(3,offset,data); }
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/* wrappers for bank #1 to #4 */
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READ8_MEMBER(vtech2_state::mra_bank1 ) { return mra_bank(0,offset); }
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READ8_MEMBER(vtech2_state::mra_bank2 ) { return mra_bank(1,offset); }
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READ8_MEMBER(vtech2_state::mra_bank3 ) { return mra_bank(2,offset); }
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READ8_MEMBER(vtech2_state::mra_bank4 ) { return mra_bank(3,offset); }
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/* read banked memory (plain ROM/RAM) */
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static const char *const mra_bank_hard[4] =
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{
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"bank1", /* mapped in 0000-3fff */
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"bank2", /* mapped in 4000-7fff */
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"bank3", /* mapped in 8000-bfff */
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"bank4" /* mapped in c000-ffff */
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};
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/* write banked memory (plain ROM/RAM) */
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static const char *const mwa_bank_hard[4] =
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{
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"bank1", /* mapped in 0000-3fff */
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"bank2", /* mapped in 4000-7fff */
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"bank3", /* mapped in 8000-bfff */
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"bank4" /* mapped in c000-ffff */
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};
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void vtech2_state::init_laser()
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{
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uint8_t *gfx = memregion("gfx2")->base();
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@ -69,116 +39,18 @@ void vtech2_state::init_laser()
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gfx[i] = i;
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m_laser_latch = -1;
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m_mem = memregion("maincpu")->base();
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// check ROM expansion
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std::string region_tag;
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m_cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str());
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for (i = 0; i < ARRAY_LENGTH(m_laser_bank); i++)
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m_laser_bank[i] = -1;
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}
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void vtech2_state::laser_machine_init(int bank_mask, int video_mask)
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{
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m_laser_bank_mask = bank_mask;
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m_laser_video_bank = video_mask;
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m_videoram = m_mem + m_laser_video_bank * 0x04000;
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logerror("laser_machine_init(): bank mask $%04X, video %d [$%05X]\n", m_laser_bank_mask, m_laser_video_bank, m_laser_video_bank * 0x04000);
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for (int i = 0; i < ARRAY_LENGTH(m_laser_bank); i++)
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laser_bank_select_w(m_maincpu->space(AS_PROGRAM), i, 0);
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m_language = m_io_keyboard[5]->read() & 0x30;
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}
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void vtech2_state::machine_reset()
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{
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/* banks 0 to 3 only, optional ROM extension */
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laser_machine_init(0x00f, 3);
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m_language = m_io_keyboard[5]->read() & 0x30;
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}
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MACHINE_RESET_MEMBER(vtech2_state,laser500)
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{
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/* banks 0 to 2, and 4-7 only, optional ROM extension */
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laser_machine_init(0x0f7, 7);
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}
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MACHINE_RESET_MEMBER(vtech2_state,laser700)
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{
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/* all banks except #3 */
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laser_machine_init(0xff7, 7);
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}
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WRITE8_MEMBER(vtech2_state::laser_bank_select_w)
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{
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static const char *const bank_name[16] = {
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"ROM lo","ROM hi","MM I/O","Video RAM lo",
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"RAM #0","RAM #1","RAM #2","RAM #3",
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"RAM #4","RAM #5","RAM #6","RAM #7/Video RAM hi",
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"ext ROM #0","ext ROM #1","ext ROM #2","ext ROM #3"
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};
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char bank[10];
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offset %= 4;
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data &= 15;
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if( data != m_laser_bank[offset] )
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{
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m_laser_bank[offset] = data;
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logerror("select bank #%d $%02X [$%05X] %s\n", offset+1, data, 0x4000 * (data & 15), bank_name[data]);
|
||||
|
||||
/* memory mapped I/O bank selected? */
|
||||
if (data == 2)
|
||||
{
|
||||
static read8_delegate mra_bank_soft[] =
|
||||
{
|
||||
read8_delegate(FUNC(vtech2_state::mra_bank1), this),
|
||||
read8_delegate(FUNC(vtech2_state::mra_bank2), this),
|
||||
read8_delegate(FUNC(vtech2_state::mra_bank3), this),
|
||||
read8_delegate(FUNC(vtech2_state::mra_bank4), this),
|
||||
};
|
||||
|
||||
static write8_delegate mwa_bank_soft[] =
|
||||
{
|
||||
write8_delegate(FUNC(vtech2_state::mwa_bank1), this),
|
||||
write8_delegate(FUNC(vtech2_state::mwa_bank2), this),
|
||||
write8_delegate(FUNC(vtech2_state::mwa_bank3), this),
|
||||
write8_delegate(FUNC(vtech2_state::mwa_bank4), this),
|
||||
};
|
||||
|
||||
m_maincpu->space(AS_PROGRAM).install_readwrite_handler(offset * 0x4000, offset * 0x4000 + 0x3fff, mra_bank_soft[offset], mwa_bank_soft[offset]);
|
||||
}
|
||||
else
|
||||
{
|
||||
sprintf(bank, "bank%d", offset + 1);
|
||||
if (data >= 12 && m_cart_rom && (m_cart_rom->bytes() > (data % 12) * 0x4000)) // Expansion ROM banks
|
||||
{
|
||||
membank(bank)->set_base(m_cart_rom->base()+ (data % 12) * 0x4000);
|
||||
m_maincpu->space(AS_PROGRAM).install_read_bank(offset * 0x4000, offset * 0x4000 + 0x3fff, mra_bank_hard[offset]);
|
||||
m_maincpu->space(AS_PROGRAM).install_write_bank(offset * 0x4000, offset * 0x4000 + 0x3fff, mwa_bank_hard[offset]);
|
||||
}
|
||||
else if (data < 12 && (m_laser_bank_mask & (1 << data))) // ROM/RAM banks
|
||||
{
|
||||
// video RAM bank selected?
|
||||
if (data == m_laser_video_bank)
|
||||
logerror("select bank #%d VIDEO!\n", offset + 1);
|
||||
|
||||
membank(bank)->set_base(&m_mem[0x4000 * m_laser_bank[offset]]);
|
||||
m_maincpu->space(AS_PROGRAM).install_read_bank(offset * 0x4000, offset * 0x4000 + 0x3fff, mra_bank_hard[offset]);
|
||||
m_maincpu->space(AS_PROGRAM).install_write_bank(offset * 0x4000, offset * 0x4000 + 0x3fff, mwa_bank_hard[offset]);
|
||||
}
|
||||
else
|
||||
{
|
||||
logerror("select bank #%d MASKED!\n", offset + 1);
|
||||
m_maincpu->space(AS_PROGRAM).nop_readwrite(offset * 0x4000, offset * 0x4000 + 0x3fff);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/*************************************************
|
||||
* memory mapped I/O read
|
||||
@ -192,19 +64,19 @@ WRITE8_MEMBER(vtech2_state::laser_bank_select_w)
|
||||
* 1 column 1
|
||||
* 0 column 0
|
||||
************************************************/
|
||||
int vtech2_state::mra_bank(int bank, int offs)
|
||||
READ8_MEMBER( vtech2_state::mmio_r )
|
||||
{
|
||||
u8 data = 0x7f;
|
||||
|
||||
offs = ~offs & 0x7ff;
|
||||
if (BIT(offs, 10))
|
||||
offset = ~offset & 0x7ff;
|
||||
if (BIT(offset, 10))
|
||||
{
|
||||
offs = (offs >> 8) & 3;
|
||||
data &= m_io_keyboard[offs + 8]->read(); // ROW A-D
|
||||
offset = (offset >> 8) & 3;
|
||||
data &= m_io_keyboard[offset + 8]->read(); // ROW A-D
|
||||
}
|
||||
else
|
||||
for (u8 i = 0; i < 8; i++)
|
||||
if (BIT(offs, i))
|
||||
if (BIT(offset, i))
|
||||
data &= m_io_keyboard[i]->read(); // ROW 0-7
|
||||
|
||||
/* BIT 7 - tape input */
|
||||
@ -224,40 +96,11 @@ int vtech2_state::mra_bank(int bank, int offs)
|
||||
* 1 cassette out (LSB)
|
||||
* 0 speaker A
|
||||
************************************************/
|
||||
void vtech2_state::mwa_bank(int bank, int offs, int data)
|
||||
WRITE8_MEMBER( vtech2_state::mmio_w )
|
||||
{
|
||||
offs += 0x4000 * m_laser_bank[bank];
|
||||
switch (m_laser_bank[bank])
|
||||
{
|
||||
case 0: /* ROM lower 16K */
|
||||
case 1: /* ROM upper 16K */
|
||||
logerror("bank #%d write to ROM [$%05X] $%02X\n", bank+1, offs, data);
|
||||
break;
|
||||
case 2: /* memory mapped output */
|
||||
if (data != m_laser_latch)
|
||||
{
|
||||
logerror("bank #%d write to I/O [$%05X] $%02X\n", bank+1, offs, data);
|
||||
/* Toggle between graphics and text modes? */
|
||||
if ((data ^ m_laser_latch) & 0x01)
|
||||
m_speaker->level_w(data & 1);
|
||||
m_laser_latch = data;
|
||||
}
|
||||
m_cassette->output( BIT(data, 2) ? -1.0 : +1.0);
|
||||
break;
|
||||
case 12: /* ext. ROM #1 */
|
||||
case 13: /* ext. ROM #2 */
|
||||
case 14: /* ext. ROM #3 */
|
||||
case 15: /* ext. ROM #4 */
|
||||
logerror("bank #%d write to ROM [$%05X] $%02X\n", bank+1, offs, data);
|
||||
break;
|
||||
default: /* RAM */
|
||||
if( m_laser_bank[bank] == m_laser_video_bank && m_mem[offs] != data )
|
||||
{
|
||||
logerror("bank #%d write to videoram [$%05X] $%02X\n", bank+1, offs, data);
|
||||
}
|
||||
m_mem[offs] = data;
|
||||
break;
|
||||
}
|
||||
m_speaker->level_w(data & 1);
|
||||
m_laser_latch = data;
|
||||
m_cassette->output( BIT(data, 2) ? -1.0 : +1.0);
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -42,9 +42,6 @@
|
||||
* 1 1 1 1 GR1 bank 3 0E000-0FFFF
|
||||
*/
|
||||
|
||||
void vtech2_state::video_start()
|
||||
{
|
||||
}
|
||||
|
||||
static const int offs_2[192] = {
|
||||
0x0000,0x0800,0x1000,0x1800,0x2000,0x2800,0x3000,0x3800,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user