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Diffstat (limited to 'src/mame/drivers/tk80bs.cpp')
-rw-r--r-- | src/mame/drivers/tk80bs.cpp | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/src/mame/drivers/tk80bs.cpp b/src/mame/drivers/tk80bs.cpp deleted file mode 100644 index f050a94f56b..00000000000 --- a/src/mame/drivers/tk80bs.cpp +++ /dev/null @@ -1,246 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Angelo Salese, Robbbert -/*************************************************************************** - - -NEC TK80BS -********** -TK-80BS (c) 1980 NEC - -Preliminary driver by Angelo Salese -Various additions by Robbbert - -The TK80BS (Basic Station) has a plugin keyboard, BASIC in rom, -and connected to a tv. - -TODO: - - (try to) dump proper roms, the whole driver is based off fake roms; - - bios 0 BASIC doesn't seem to work properly; (It does if you type NEW first) - - bios 1 does not boot up because it runs off into the weeds - - bios 2 also does that, somehow it starts up anyway, but no commands work - - -****************************************************************************/ - -#include "emu.h" -#include "cpu/i8085/i8085.h" -#include "machine/i8255.h" -#include "machine/keyboard.h" -#include "emupal.h" -#include "screen.h" - - -namespace { - -class tk80bs_state : public driver_device -{ -public: - tk80bs_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_p_videoram(*this, "videoram") - , m_maincpu(*this, "maincpu") - , m_ppi(*this, "ppi") - , m_gfxdecode(*this, "gfxdecode") - , m_palette(*this, "palette") - { } - - void tk80bs(machine_config &config); - -protected: - virtual void machine_start() override; - -private: - uint8_t ppi_custom_r(offs_t offse); - void ppi_custom_w(offs_t offset, uint8_t data); - void kbd_put(u8 data); - uint8_t port_a_r(); - uint8_t port_b_r(); - uint32_t screen_update_tk80bs(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - void mem_map(address_map &map); - uint8_t m_term_data; - required_shared_ptr<uint8_t> m_p_videoram; - required_device<cpu_device> m_maincpu; - required_device<i8255_device> m_ppi; - required_device<gfxdecode_device> m_gfxdecode; - required_device<palette_device> m_palette; -}; - - -uint32_t tk80bs_state::screen_update_tk80bs(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - int x,y; - int count; - - count = 0; - - for(y=0;y<16;y++) - { - for(x=0;x<32;x++) - { - int tile = m_p_videoram[count++]; - - m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, tile, 0, 0, 0, x*8, y*8); - } - } - - return 0; -} - -/* A0 and A1 are swapped at the 8255 chip */ -uint8_t tk80bs_state::ppi_custom_r(offs_t offset) -{ - switch(offset) - { - case 1: - return m_ppi->read(2); - case 2: - return m_ppi->read(1); - default: - return m_ppi->read(offset); - } -} - -void tk80bs_state::ppi_custom_w(offs_t offset, uint8_t data) -{ - switch(offset) - { - case 1: - m_ppi->write(2, data); - break; - case 2: - m_ppi->write(1, data); - break; - default: - m_ppi->write(offset, data); - } -} - -void tk80bs_state::mem_map(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0x07ff).rom(); -// map(0x0c00, 0x7bff).rom(); // ext - map(0x7df8, 0x7df9).noprw(); // i8251 sio - map(0x7dfc, 0x7dff).rw(FUNC(tk80bs_state::ppi_custom_r), FUNC(tk80bs_state::ppi_custom_w)); - map(0x7e00, 0x7fff).ram().share("videoram"); // video ram - map(0x8000, 0xcfff).ram(); // RAM - map(0xd000, 0xefff).rom(); // BASIC - map(0xf000, 0xffff).rom(); // BSMON -} - - -/* Input ports */ -static INPUT_PORTS_START( tk80bs ) -INPUT_PORTS_END - -uint8_t tk80bs_state::port_a_r() -{ - uint8_t ret = m_term_data; - m_term_data = 0; - return ret; -} - - -uint8_t tk80bs_state::port_b_r() -{ - if (m_term_data) - { - m_ppi->pc4_w(0); // send a strobe pulse - return 0x20; - } - else - return 0; -} - -void tk80bs_state::kbd_put(u8 data) -{ - data &= 0x7f; - if (data > 0x5f) data-=0x20; - m_term_data = data; -} - -void tk80bs_state::machine_start() -{ - save_item(NAME(m_term_data)); - - m_term_data = 0; -} - - -/* F4 Character Displayer */ -static const gfx_layout charlayout = -{ - 8, 8, - 512, - 1, - { 0 }, - { 0, 1, 2, 3, 4, 5, 6, 7 }, - { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, - 8*8 -}; - -static GFXDECODE_START( gfx_tk80bs ) - GFXDECODE_ENTRY( "chargen", 0x0000, charlayout, 0, 1 ) -GFXDECODE_END - - -void tk80bs_state::tk80bs(machine_config &config) -{ - /* basic machine hardware */ - I8080(config, m_maincpu, XTAL(1'000'000)); //unknown clock - m_maincpu->set_addrmap(AS_PROGRAM, &tk80bs_state::mem_map); - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_refresh_hz(50); - screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ - screen.set_size(256, 128); - screen.set_visarea(0, 256-1, 0, 128-1); - screen.set_screen_update(FUNC(tk80bs_state::screen_update_tk80bs)); - screen.set_palette(m_palette); - - PALETTE(config, m_palette, palette_device::MONOCHROME); - GFXDECODE(config, m_gfxdecode, m_palette, gfx_tk80bs); - - /* Devices */ - I8255(config, m_ppi); - m_ppi->in_pa_callback().set(FUNC(tk80bs_state::port_a_r)); - m_ppi->in_pb_callback().set(FUNC(tk80bs_state::port_b_r)); - - generic_keyboard_device &keyboard(GENERIC_KEYBOARD(config, "keyboard", 0)); - keyboard.set_keyboard_callback(FUNC(tk80bs_state::kbd_put)); -} - - -ROM_START( tk80bs ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) - /* all of these aren't taken from an original machine*/ - ROM_SYSTEM_BIOS(0, "psedo", "Pseudo LEVEL 1") - ROMX_LOAD( "tk80.dummy", 0x0000, 0x0800, BAD_DUMP CRC(553b25ca) SHA1(939350d7fa56ce567ddf393c9f4b9db6ebc18a2c), ROM_BIOS(0)) - ROMX_LOAD( "ext.l1", 0x0c00, 0x6e46, BAD_DUMP CRC(d05ed3ff) SHA1(8544aa2cb58df9edf221f5be2cdafa248dd33828), ROM_BIOS(0)) - ROMX_LOAD( "lv1basic.l1",0xe000, 0x09a2, BAD_DUMP CRC(3ff67a71) SHA1(528c9331740637e853c099e1739ecdea6dd200bc), ROM_BIOS(0)) - ROMX_LOAD( "bsmon.l1", 0xf000, 0x0db0, BAD_DUMP CRC(5daa599b) SHA1(7e6ec5bfb3eea114f7ee9ef589a89246b8533b2f), ROM_BIOS(0)) - - ROM_SYSTEM_BIOS(1, "psedo10", "Pseudo LEVEL 2 1.0") - ROMX_LOAD( "tk80.dummy", 0x0000, 0x0800, BAD_DUMP CRC(553b25ca) SHA1(939350d7fa56ce567ddf393c9f4b9db6ebc18a2c), ROM_BIOS(1)) - ROMX_LOAD( "ext.10", 0x0c00, 0x3dc2, BAD_DUMP CRC(3c64d488) SHA1(919180d5b34b981ab3dd8b2885d3c0933203f355), ROM_BIOS(1)) - ROMX_LOAD( "lv2basic.10",0xd000, 0x2000, BAD_DUMP CRC(594fe70e) SHA1(5854c1be5fa78c1bfee365379495f14bc23e15e7), ROM_BIOS(1)) - ROMX_LOAD( "bsmon.10", 0xf000, 0x0daf, BAD_DUMP CRC(d0047983) SHA1(79e2b5dc47b574b55375cbafffff144744093ec1), ROM_BIOS(1)) - - ROM_SYSTEM_BIOS(2, "psedo11", "Pseudo LEVEL 2 1.1") - ROMX_LOAD( "tk80.dummy", 0x0000, 0x0800, BAD_DUMP CRC(553b25ca) SHA1(939350d7fa56ce567ddf393c9f4b9db6ebc18a2c), ROM_BIOS(2)) - ROMX_LOAD( "ext.11", 0x0c00, 0x3dd4, BAD_DUMP CRC(bd5c5169) SHA1(2ad70828348372328b76bac0fa93d3f6f17ade34), ROM_BIOS(2)) - ROMX_LOAD( "lv2basic.11",0xd000, 0x2000, BAD_DUMP CRC(3df9a3bd) SHA1(9539409c876bce27d630fe47d07a4316d2ce09cb), ROM_BIOS(2)) - ROMX_LOAD( "bsmon.11", 0xf000, 0x0ff6, BAD_DUMP CRC(fca7a609) SHA1(7c7eb5e5e4cf1e0021383bdfc192b88262aba6f5), ROM_BIOS(2)) - - ROM_REGION( 0x1000, "chargen", 0 ) - ROM_LOAD( "font.rom", 0x0000, 0x1000, BAD_DUMP CRC(94d95199) SHA1(9fe741eab866b0c520d4108bccc6277172fa190c)) -ROM_END - -} // Anonymous namespace - - -/* Driver */ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1980, tk80bs, tk80, 0, tk80bs, tk80bs, tk80bs_state, empty_init, "NEC", "TK-80BS", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW | MACHINE_SUPPORTS_SAVE ) |