diff options
Diffstat (limited to 'src/mame/drivers/z9001.cpp')
-rw-r--r-- | src/mame/drivers/z9001.cpp | 92 |
1 files changed, 59 insertions, 33 deletions
diff --git a/src/mame/drivers/z9001.cpp b/src/mame/drivers/z9001.cpp index 595a011de67..3755fcfdd85 100644 --- a/src/mame/drivers/z9001.cpp +++ b/src/mame/drivers/z9001.cpp @@ -57,6 +57,8 @@ public: : driver_device(mconfig, type, tag) , m_framecnt(0) , m_maincpu(*this, "maincpu") + , m_rom(*this, "maincpu") + , m_ram(*this, "mainram") , m_beeper(*this, "beeper") , m_cass(*this, "cassette") , m_p_colorram(*this, "colorram") @@ -74,14 +76,17 @@ private: TIMER_DEVICE_CALLBACK_MEMBER(timer_callback); uint32_t screen_update_z9001(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - void z9001_io(address_map &map); - void z9001_mem(address_map &map); + void io_map(address_map &map); + void mem_map(address_map &map); uint8_t m_framecnt; bool m_cassbit; virtual void machine_reset() override; - //virtual void machine_start(); + virtual void machine_start() override; + memory_passthrough_handler *m_rom_shadow_tap; required_device<z80_device> m_maincpu; + required_region_ptr<u8> m_rom; + required_shared_ptr<u8> m_ram; required_device<beep_device> m_beeper; required_device<cassette_image_device> m_cass; required_shared_ptr<uint8_t> m_p_colorram; @@ -89,17 +94,17 @@ private: required_region_ptr<u8> m_p_chargen; }; -void z9001_state::z9001_mem(address_map &map) +void z9001_state::mem_map(address_map &map) { map.unmap_value_high(); - map(0x0000, 0xe7ff).ram(); + map(0x0000, 0xe7ff).ram().share("mainram"); + map(0xc000, 0xe7ff).rom().region("maincpu",0x1000); map(0xe800, 0xebff).ram().share("colorram"); - map(0xc000, 0xe7ff).rom(); map(0xec00, 0xefff).ram().share("videoram"); - map(0xf000, 0xffff).rom(); + map(0xf000, 0xffff).rom().region("maincpu",0); } -void z9001_state::z9001_io(address_map &map) +void z9001_state::io_map(address_map &map) { map.unmap_value_high(); map.global_mask(0xff); @@ -144,7 +149,28 @@ TIMER_DEVICE_CALLBACK_MEMBER(z9001_state::timer_callback) void z9001_state::machine_reset() { - m_maincpu->set_state_int(Z80_PC, 0xf000); + address_space &program = m_maincpu->space(AS_PROGRAM); + program.install_rom(0x0000, 0x0fff, m_rom); // do it here for F3 + m_rom_shadow_tap = program.install_read_tap(0xf000, 0xffff, "rom_shadow_r",[this](offs_t offset, u8 &data, u8 mem_mask) + { + if (!machine().side_effects_disabled()) + { + // delete this tap + m_rom_shadow_tap->remove(); + + // reinstall ram over the rom shadow + m_maincpu->space(AS_PROGRAM).install_ram(0x0000, 0x0fff, m_ram); + } + + // return the original data + return data; + }); +} + +void z9001_state::machine_start() +{ + save_item(NAME(m_framecnt)); + save_item(NAME(m_cassbit)); } uint32_t z9001_state::screen_update_z9001(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) @@ -191,7 +217,7 @@ uint32_t z9001_state::screen_update_z9001(screen_device &screen, bitmap_ind16 &b } /* F4 Character Displayer */ -static const gfx_layout z9001_charlayout = +static const gfx_layout charlayout = { 8, 8, /* 8 x 8 characters */ 1024, /* 4 x 256 characters */ @@ -210,7 +236,7 @@ void z9001_state::kbd_put(u8 data) } static GFXDECODE_START( gfx_z9001 ) - GFXDECODE_ENTRY( "chargen", 0x0000, z9001_charlayout, 0, 1 ) + GFXDECODE_ENTRY( "chargen", 0x0000, charlayout, 0, 1 ) GFXDECODE_END @@ -218,8 +244,8 @@ void z9001_state::z9001(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, XTAL(9'830'400) / 4); - m_maincpu->set_addrmap(AS_PROGRAM, &z9001_state::z9001_mem); - m_maincpu->set_addrmap(AS_IO, &z9001_state::z9001_io); + m_maincpu->set_addrmap(AS_PROGRAM, &z9001_state::mem_map); + m_maincpu->set_addrmap(AS_IO, &z9001_state::io_map); m_maincpu->set_daisy_config(z9001_daisy_chain); /* video hardware */ @@ -261,13 +287,13 @@ void z9001_state::z9001(machine_config &config) /* ROM definition */ ROM_START( z9001 ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_REGION( 0x3800, "maincpu", 0 ) ROM_SYSTEM_BIOS( 0, "orig", "Original" ) - ROMX_LOAD( "os____f0.851", 0xf000, 0x1000, CRC(9fe60a92) SHA1(553609631f5eaa7d6758a73f56c613e280a5b310), ROM_BIOS(0)) + ROMX_LOAD( "os____f0.851", 0x0000, 0x1000, CRC(9fe60a92) SHA1(553609631f5eaa7d6758a73f56c613e280a5b310), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "rb20", "ROM-Bank System without menu" ) - ROMX_LOAD( "os_rb20.rom", 0xf000, 0x1000, CRC(c783124d) SHA1(c2893ce5bb23b280ba4e982e860586d21de2469b), ROM_BIOS(1)) + ROMX_LOAD( "os_rb20.rom", 0x0000, 0x1000, CRC(c783124d) SHA1(c2893ce5bb23b280ba4e982e860586d21de2469b), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 2, "rb21", "ROM-Bank System with menu" ) - ROMX_LOAD( "os_rb21.rom", 0xf000, 0x1000, CRC(11eec2dd) SHA1(5dbb661bdf4daf92d6c4ffbbdec674e57917e9eb), ROM_BIOS(2)) + ROMX_LOAD( "os_rb21.rom", 0x0000, 0x1000, CRC(11eec2dd) SHA1(5dbb661bdf4daf92d6c4ffbbdec674e57917e9eb), ROM_BIOS(2)) ROM_REGION( 0x2000, "chargen", 0 ) ROM_LOAD( "chargen.851", 0x0000, 0x0800, CRC(dd9c0f4e) SHA1(2e4928ba7161f5cce7173b7d2ded3d6596ae2aa2)) @@ -279,15 +305,15 @@ ROM_END #define rom_kc85_111 rom_z9001 ROM_START( kc87_10 ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_REGION( 0x3800, "maincpu", 0 ) ROM_SYSTEM_BIOS( 0, "orig", "Original" ) - ROMX_LOAD( "os____f0.851", 0xf000, 0x1000, CRC(9fe60a92) SHA1(553609631f5eaa7d6758a73f56c613e280a5b310), ROM_BIOS(0)) + ROMX_LOAD( "os____f0.851", 0x0000, 0x1000, CRC(9fe60a92) SHA1(553609631f5eaa7d6758a73f56c613e280a5b310), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "rb20", "ROM-Bank System without menu" ) - ROMX_LOAD( "os_rb20.rom", 0xf000, 0x1000, CRC(c783124d) SHA1(c2893ce5bb23b280ba4e982e860586d21de2469b), ROM_BIOS(1)) + ROMX_LOAD( "os_rb20.rom", 0x0000, 0x1000, CRC(c783124d) SHA1(c2893ce5bb23b280ba4e982e860586d21de2469b), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 2, "rb21", "ROM-Bank System with menu" ) - ROMX_LOAD( "os_rb21.rom", 0xf000, 0x1000, CRC(11eec2dd) SHA1(5dbb661bdf4daf92d6c4ffbbdec674e57917e9eb), ROM_BIOS(2)) + ROMX_LOAD( "os_rb21.rom", 0x0000, 0x1000, CRC(11eec2dd) SHA1(5dbb661bdf4daf92d6c4ffbbdec674e57917e9eb), ROM_BIOS(2)) - ROM_LOAD( "basic_c0.87a", 0xc000, 0x2800, CRC(c508d45e) SHA1(ea85b53e21429c4cb85cdb81b92f278a8f4eb574)) + ROM_LOAD( "basic_c0.87a", 0x1000, 0x2800, CRC(c508d45e) SHA1(ea85b53e21429c4cb85cdb81b92f278a8f4eb574)) ROM_REGION( 0x2000, "chargen", 0 ) ROM_LOAD( "chargen.851", 0x0000, 0x0800, CRC(dd9c0f4e) SHA1(2e4928ba7161f5cce7173b7d2ded3d6596ae2aa2)) @@ -299,15 +325,15 @@ ROM_END #define rom_kc87_11 rom_kc87_10 ROM_START( kc87_20 ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_REGION( 0x3800, "maincpu", 0 ) ROM_SYSTEM_BIOS( 0, "orig", "Original" ) - ROMX_LOAD( "os____f0.87b", 0xf000, 0x1000, CRC(a357d093) SHA1(b1df6b499517c8366a0795030ee800e8a258e938), ROM_BIOS(0)) + ROMX_LOAD( "os____f0.87b", 0x0000, 0x1000, CRC(a357d093) SHA1(b1df6b499517c8366a0795030ee800e8a258e938), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "rb20", "ROM-Bank System without menu" ) - ROMX_LOAD( "os_rb20.rom", 0xf000, 0x1000, CRC(c783124d) SHA1(c2893ce5bb23b280ba4e982e860586d21de2469b), ROM_BIOS(1)) + ROMX_LOAD( "os_rb20.rom", 0x0000, 0x1000, CRC(c783124d) SHA1(c2893ce5bb23b280ba4e982e860586d21de2469b), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 2, "rb21", "ROM-Bank System with menu" ) - ROMX_LOAD( "os_rb21.rom", 0xf000, 0x1000, CRC(11eec2dd) SHA1(5dbb661bdf4daf92d6c4ffbbdec674e57917e9eb), ROM_BIOS(2)) + ROMX_LOAD( "os_rb21.rom", 0x0000, 0x1000, CRC(11eec2dd) SHA1(5dbb661bdf4daf92d6c4ffbbdec674e57917e9eb), ROM_BIOS(2)) - ROM_LOAD( "basic_c0.87b", 0xc000, 0x2800, CRC(9e8f6380) SHA1(8ffecc64ba35c953c93738f8568c83dc6af1ae72)) + ROM_LOAD( "basic_c0.87b", 0x1000, 0x2800, CRC(9e8f6380) SHA1(8ffecc64ba35c953c93738f8568c83dc6af1ae72)) ROM_REGION( 0x2000, "chargen", 0 ) ROM_LOAD( "chargen.851", 0x0000, 0x0800, CRC(dd9c0f4e) SHA1(2e4928ba7161f5cce7173b7d2ded3d6596ae2aa2)) @@ -321,9 +347,9 @@ ROM_END /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1984, z9001, 0, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "Z9001 (KC 85/1.10)", MACHINE_NOT_WORKING ) -COMP( 1986, kc85_111, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 85/1.11", MACHINE_NOT_WORKING ) -COMP( 1987, kc87_10, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 87.10", MACHINE_NOT_WORKING ) -COMP( 1987, kc87_11, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 87.11", MACHINE_NOT_WORKING ) -COMP( 1987, kc87_20, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 87.20", MACHINE_NOT_WORKING ) -COMP( 1987, kc87_21, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 87.21", MACHINE_NOT_WORKING ) +COMP( 1984, z9001, 0, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "Z9001 (KC 85/1.10)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) +COMP( 1986, kc85_111, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 85/1.11", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) +COMP( 1987, kc87_10, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 87.10", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) +COMP( 1987, kc87_11, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 87.11", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) +COMP( 1987, kc87_20, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 87.20", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) +COMP( 1987, kc87_21, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 87.21", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) |