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Diffstat (limited to 'src/mame/drivers/plan80.cpp')
-rw-r--r-- | src/mame/drivers/plan80.cpp | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/src/mame/drivers/plan80.cpp b/src/mame/drivers/plan80.cpp deleted file mode 100644 index d1de5e6ce91..00000000000 --- a/src/mame/drivers/plan80.cpp +++ /dev/null @@ -1,284 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Miodrag Milanovic, Robbbert -/*************************************************************************** - -Plan-80 - -2009-12-06 Skeleton driver. - -Summary of Monitor commands: - -D - dump memory -F - fill memory -G - go (execute program at address) -I - in from a port and display -M - move? -O - out to a port -S - edit memory - -ToDo: -- fix autorepeat on the keyboard -- Add missing devices -- Picture of unit shows graphics, possibly a PCG - -****************************************************************************/ - -#include "emu.h" -#include "cpu/i8085/i8085.h" -#include "emupal.h" -#include "screen.h" -#include "sound/spkrdev.h" -#include "speaker.h" - - -class plan80_state : public driver_device -{ -public: - plan80_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, "maincpu") - , m_rom(*this, "maincpu") - , m_ram(*this, "mainram") - , m_vram(*this, "videoram") - , m_p_chargen(*this, "chargen") - , m_speaker(*this, "speaker") - { } - - void plan80(machine_config &config); - -private: - u8 port04_r(); - void port09_w(u8 data); - void port10_w(u8 data); - u32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - void io_map(address_map &map); - void mem_map(address_map &map); - u8 m_kbd_row; - bool m_spk_pol; - virtual void machine_reset() override; - virtual void machine_start() override; - memory_passthrough_handler *m_rom_shadow_tap; - required_device<cpu_device> m_maincpu; - required_region_ptr<u8> m_rom; - required_shared_ptr<u8> m_ram; - required_shared_ptr<u8> m_vram; - required_region_ptr<u8> m_p_chargen; - required_device<speaker_sound_device> m_speaker; -}; - -u8 plan80_state::port04_r() -{ - u8 data = 0xff; - - if (m_kbd_row == 0xfe) - data = ioport("LINE0")->read(); - else - if (m_kbd_row == 0xfd) - data = ioport("LINE1")->read(); - else - if (m_kbd_row == 0xfb) - data = ioport("LINE2")->read(); - else - if (m_kbd_row == 0xf7) - data = ioport("LINE3")->read(); - else - if (m_kbd_row == 0xef) - data = ioport("LINE4")->read(); - - return data; -} - -void plan80_state::port09_w(u8 data) -{ - m_kbd_row = data; -} - -void plan80_state::port10_w(u8 data) -{ - m_spk_pol ^= 1; - m_speaker->level_w(m_spk_pol); -} - - -void plan80_state::mem_map(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0xefff).ram().share("mainram"); - map(0xf000, 0xf7ff).ram().share("videoram"); - map(0xf800, 0xffff).rom().region("maincpu", 0); -} - -void plan80_state::io_map(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); - map(0x04, 0x04).r(FUNC(plan80_state::port04_r)); - map(0x09, 0x09).w(FUNC(plan80_state::port09_w)); - map(0x10, 0x10).w(FUNC(plan80_state::port10_w)); -} - -/* Input ports */ -static INPUT_PORTS_START( plan80 ) // Keyboard was worked out by trial & error;'F' keys produce foreign symbols - PORT_START("LINE0") /* FE */ - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("??") PORT_CODE(KEYCODE_F1) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("??") PORT_CODE(KEYCODE_F2) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A -") PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('-') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q ! 1") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('!') PORT_CHAR('1') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F-shift") PORT_CODE(KEYCODE_RSHIFT) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P ?? 0") PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('0') - PORT_START("LINE1") /* FD */ - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Numbers") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X /") PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('/') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D =") PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('=') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E # 3") PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('#') PORT_CHAR('3') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M .") PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('.') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K [") PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('[') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I ( 8") PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('(') PORT_CHAR('8') - PORT_START("LINE2") /* FB */ - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V ;") PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR(';') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G _") PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('_') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T % 5") PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('%') PORT_CHAR('5') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B ?") PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('?') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H <") PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('<') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y & 6") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('&') PORT_CHAR('6') - PORT_START("LINE3") /* F7 */ - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C :") PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR(':') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F ^") PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('^') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R $ 4") PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('$') PORT_CHAR('4') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N ,") PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR(',') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J >") PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('>') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U \' 7") PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('\'') PORT_CHAR('7') - PORT_START("LINE4") /* EF */ - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("??") PORT_CODE(KEYCODE_F3) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("??") PORT_CODE(KEYCODE_F4) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z *") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('*') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S +") PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('+') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W \" 2") PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('\"') PORT_CHAR('2') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("??") PORT_CODE(KEYCODE_F5) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L ]") PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR(']') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O ) 9") PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR(')') PORT_CHAR('9') -INPUT_PORTS_END - - -void plan80_state::machine_reset() -{ - address_space &program = m_maincpu->space(AS_PROGRAM); - program.install_rom(0x0000, 0x07ff, m_rom); // do it here for F3 - m_rom_shadow_tap = program.install_read_tap(0xf800, 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, 0x07ff, m_ram); - } - - // return the original data - return data; - }); -} - -void plan80_state::machine_start() -{ - save_item(NAME(m_kbd_row)); - save_item(NAME(m_spk_pol)); -} - -u32 plan80_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - u16 sy=0,ma=0; - - for (u8 y = 0; y < 32; y++) - { - for (u8 ra = 0; ra < 8; ra++) - { - u16 *p = &bitmap.pix(sy++); - - for (u16 x = ma; x < ma+48; x++) - { - u8 chr = m_vram[x]; - u8 gfx = m_p_chargen[(chr << 3) | ra] ^ (BIT(chr, 7) ? 0xff : 0); - - /* Display a scanline of a character */ - *p++ = BIT(gfx, 6); - *p++ = BIT(gfx, 5); - *p++ = BIT(gfx, 4); - *p++ = BIT(gfx, 3); - *p++ = BIT(gfx, 2); - *p++ = BIT(gfx, 1); - } - } - ma+=64; - } - return 0; -} - -/* F4 Character Displayer */ -static const gfx_layout charlayout = -{ - 8, 8, /* 8 x 8 characters */ - 256, /* 256 characters */ - 1, /* 1 bits per pixel */ - { 0 }, /* no bitplanes */ - /* x offsets */ - { 0, 1, 2, 3, 4, 5, 6, 7 }, - /* y offsets */ - { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, - 8*8 /* every char takes 8 bytes */ -}; - -static GFXDECODE_START( gfx_plan80 ) - GFXDECODE_ENTRY( "chargen", 0x0000, charlayout, 0, 1 ) -GFXDECODE_END - - -void plan80_state::plan80(machine_config &config) -{ - /* basic machine hardware */ - I8080(config, m_maincpu, 2048000); - m_maincpu->set_addrmap(AS_PROGRAM, &plan80_state::mem_map); - m_maincpu->set_addrmap(AS_IO, &plan80_state::io_map); - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER, rgb_t::green())); - screen.set_refresh_hz(50); - screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ - screen.set_screen_update(FUNC(plan80_state::screen_update)); - screen.set_size(48*6, 32*8); - screen.set_visarea(0, 48*6-1, 0, 32*8-1); - screen.set_palette("palette"); - - GFXDECODE(config, "gfxdecode", "palette", gfx_plan80); - PALETTE(config, "palette", palette_device::MONOCHROME); - - /* sound hardware */ - SPEAKER(config, "mono").front_center(); - SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.50); -} - -/* ROM definition */ -ROM_START( plan80 ) - ROM_REGION( 0x0800, "maincpu", 0 ) - ROM_LOAD( "pl80mon.bin", 0x0000, 0x0800, CRC(433fb685) SHA1(43d53c35544d3a197ab71b6089328d104535cfa5) ) - - // This rom 2nd half is missing, so useless. It uses the videoram address range, so it might have been for some other system - //ROM_REGION( 0x10000, "spare", 0 ) - //ROM_LOAD_OPTIONAL( "pl80mod.bin", 0xf000, 0x0800, CRC(6bdd7136) SHA1(721eab193c33c9330e0817616d3d2b601285fe50)) - - ROM_REGION( 0x0800, "chargen", 0 ) - ROM_LOAD( "pl80gzn.bin", 0x0000, 0x0800, CRC(b4ddbdb6) SHA1(31bf9cf0f2ed53f48dda29ea830f74cea7b9b9b2) ) -ROM_END - -/* Driver */ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1988, plan80, 0, 0, plan80, plan80, plan80_state, empty_init, "Tesla Eltos", "Plan-80", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) |