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Diffstat (limited to 'src/mess/drivers/tk80bs.c')
-rw-r--r-- | src/mess/drivers/tk80bs.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/src/mess/drivers/tk80bs.c b/src/mess/drivers/tk80bs.c deleted file mode 100644 index 99d6f1f1db5..00000000000 --- a/src/mess/drivers/tk80bs.c +++ /dev/null @@ -1,225 +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" - -#define KEYBOARD_TAG "keyboard" - -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") - { - } - - DECLARE_READ8_MEMBER(ppi_custom_r); - DECLARE_WRITE8_MEMBER(ppi_custom_w); - DECLARE_WRITE8_MEMBER(kbd_put); - DECLARE_READ8_MEMBER(port_a_r); - DECLARE_READ8_MEMBER(port_b_r); - UINT32 screen_update_tk80bs(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - required_shared_ptr<UINT8> m_p_videoram; -private: - UINT8 m_term_data; - 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 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 */ -READ8_MEMBER( tk80bs_state::ppi_custom_r ) -{ - switch(offset) - { - case 1: - return m_ppi->read(space, 2); - case 2: - return m_ppi->read(space, 1); - default: - return m_ppi->read(space, offset); - } -} - -WRITE8_MEMBER( tk80bs_state::ppi_custom_w ) -{ - switch(offset) - { - case 1: - m_ppi->write(space, 2, data); - break; - case 2: - m_ppi->write(space, 1, data); - break; - default: - m_ppi->write(space, offset, data); - } -} - -static ADDRESS_MAP_START(tk80bs_mem, AS_PROGRAM, 8, tk80bs_state) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x07ff) AM_ROM -// AM_RANGE(0x0c00, 0x7bff) AM_ROM // ext - AM_RANGE(0x7df8, 0x7df9) AM_NOP // i8251 sio - AM_RANGE(0x7dfc, 0x7dff) AM_READWRITE(ppi_custom_r,ppi_custom_w) - AM_RANGE(0x7e00, 0x7fff) AM_RAM AM_SHARE("videoram") // video ram - AM_RANGE(0x8000, 0xcfff) AM_RAM // RAM - AM_RANGE(0xd000, 0xefff) AM_ROM // BASIC - AM_RANGE(0xf000, 0xffff) AM_ROM // BSMON -ADDRESS_MAP_END - - -/* Input ports */ -static INPUT_PORTS_START( tk80bs ) -INPUT_PORTS_END - -READ8_MEMBER( tk80bs_state::port_a_r ) -{ - UINT8 ret = m_term_data; - m_term_data = 0; - return ret; -} - - -READ8_MEMBER( tk80bs_state::port_b_r ) -{ - if (m_term_data) - { - m_ppi->pc4_w(0); // send a strobe pulse - return 0x20; - } - else - return 0; -} - -WRITE8_MEMBER( tk80bs_state::kbd_put ) -{ - data &= 0x7f; - if (data > 0x5f) data-=0x20; - m_term_data = data; -} - -/* F4 Character Displayer */ -static const gfx_layout tk80bs_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( tk80bs ) - GFXDECODE_ENTRY( "chargen", 0x0000, tk80bs_charlayout, 0, 1 ) -GFXDECODE_END - - -static MACHINE_CONFIG_START( tk80bs, tk80bs_state ) - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu",I8080, XTAL_1MHz) //unknown clock - MCFG_CPU_PROGRAM_MAP(tk80bs_mem) - - /* video hardware */ - MCFG_SCREEN_ADD("screen", RASTER) - MCFG_SCREEN_REFRESH_RATE(50) - MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ - MCFG_SCREEN_SIZE(256, 128) - MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 0, 128-1) - MCFG_SCREEN_UPDATE_DRIVER(tk80bs_state, screen_update_tk80bs) - MCFG_SCREEN_PALETTE("palette") - - MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette") - MCFG_GFXDECODE_ADD("gfxdecode", "palette", tk80bs) - - /* Devices */ - MCFG_DEVICE_ADD("ppi", I8255, 0) - MCFG_I8255_IN_PORTA_CB(READ8(tk80bs_state, port_a_r)) - MCFG_I8255_IN_PORTB_CB(READ8(tk80bs_state, port_b_r)) - - MCFG_DEVICE_ADD(KEYBOARD_TAG, GENERIC_KEYBOARD, 0) - MCFG_GENERIC_KEYBOARD_CB(WRITE8(tk80bs_state, kbd_put)) -MACHINE_CONFIG_END - - -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(1)) - ROMX_LOAD( "ext.l1", 0x0c00, 0x6e46, BAD_DUMP CRC(d05ed3ff) SHA1(8544aa2cb58df9edf221f5be2cdafa248dd33828), ROM_BIOS(1)) - ROMX_LOAD( "lv1basic.l1",0xe000, 0x09a2, BAD_DUMP CRC(3ff67a71) SHA1(528c9331740637e853c099e1739ecdea6dd200bc), ROM_BIOS(1)) - ROMX_LOAD( "bsmon.l1", 0xf000, 0x0db0, BAD_DUMP CRC(5daa599b) SHA1(7e6ec5bfb3eea114f7ee9ef589a89246b8533b2f), ROM_BIOS(1)) - - ROM_SYSTEM_BIOS(1, "psedo10", "Pseudo LEVEL 2 1.0") - ROMX_LOAD( "tk80.dummy", 0x0000, 0x0800, BAD_DUMP CRC(553b25ca) SHA1(939350d7fa56ce567ddf393c9f4b9db6ebc18a2c), ROM_BIOS(2)) - ROMX_LOAD( "ext.10", 0x0c00, 0x3dc2, BAD_DUMP CRC(3c64d488) SHA1(919180d5b34b981ab3dd8b2885d3c0933203f355), ROM_BIOS(2)) - ROMX_LOAD( "lv2basic.10",0xd000, 0x2000, BAD_DUMP CRC(594fe70e) SHA1(5854c1be5fa78c1bfee365379495f14bc23e15e7), ROM_BIOS(2)) - ROMX_LOAD( "bsmon.10", 0xf000, 0x0daf, BAD_DUMP CRC(d0047983) SHA1(79e2b5dc47b574b55375cbafffff144744093ec1), ROM_BIOS(2)) - - ROM_SYSTEM_BIOS(2, "psedo11", "Pseudo LEVEL 2 1.1") - ROMX_LOAD( "tk80.dummy", 0x0000, 0x0800, BAD_DUMP CRC(553b25ca) SHA1(939350d7fa56ce567ddf393c9f4b9db6ebc18a2c), ROM_BIOS(3)) - ROMX_LOAD( "ext.11", 0x0c00, 0x3dd4, BAD_DUMP CRC(bd5c5169) SHA1(2ad70828348372328b76bac0fa93d3f6f17ade34), ROM_BIOS(3)) - ROMX_LOAD( "lv2basic.11",0xd000, 0x2000, BAD_DUMP CRC(3df9a3bd) SHA1(9539409c876bce27d630fe47d07a4316d2ce09cb), ROM_BIOS(3)) - ROMX_LOAD( "bsmon.11", 0xf000, 0x0ff6, BAD_DUMP CRC(fca7a609) SHA1(7c7eb5e5e4cf1e0021383bdfc192b88262aba6f5), ROM_BIOS(3)) - - ROM_REGION( 0x1000, "chargen", ROMREGION_ERASEFF ) - ROM_LOAD( "font.rom", 0x0000, 0x1000, BAD_DUMP CRC(94d95199) SHA1(9fe741eab866b0c520d4108bccc6277172fa190c)) -ROM_END - -/* Driver */ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -COMP( 1980, tk80bs, tk80, 0, tk80bs, tk80bs, driver_device, 0, "Nippon Electronic Company", "TK-80BS", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW) |