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Diffstat (limited to 'src/mame/drivers/modellot.cpp')
-rw-r--r-- | src/mame/drivers/modellot.cpp | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/src/mame/drivers/modellot.cpp b/src/mame/drivers/modellot.cpp deleted file mode 100644 index a8ba92808fa..00000000000 --- a/src/mame/drivers/modellot.cpp +++ /dev/null @@ -1,223 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Miodrag Milanovic, Robbbert -/********************************************************************************** - -General Processor Modello T - -2012-12-10 Skeleton driver. -2013-09-27 Added keyboard and cursor. - -Made in Italy, a single board with numerous small daughter boards. -The 3 units (keyboard, disk drives, main unit) had wooden cabinets. -It had an inbuilt small green-screen CRT, like a Kaypro, and the RAM could -be 16, 32, or 48k. The FDC is a FD1791. - -All the articles and doco (what there is of it) is all in Italian. - -Doco found... - -Port 77 out (cassette control): -- d0 = recording signal #1 -- d1 = relay #1 (0 = open) -- d2 = recording signal #2 -- d3 = relay #2 (0 = open) - -Port 77 in: -- d0 = free -- d1 = playback signal -- d2 = signal from the anti-glare circuit -- d3 = same as d2 - -Optional ports: -- 3c to 3f (FDC) -- 5c to 5f (PRT) -- 6c to 6f (US2) -- 78 to 7b (US1) -It's not clear if these are meant to be 3881 PIOs connected to the devices, or for -the devices themselves. An example shows a i8251 used as the US1 device. - -There's a rom missing EC00-EFFF, it is used if you try to save to tape. -All input must in UPPER case. - -***********************************************************************************/ - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "machine/keyboard.h" -#include "emupal.h" -#include "screen.h" - - -class modellot_state : public driver_device -{ -public: - modellot_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_p_chargen(*this, "chargen") - { } - - void modellot(machine_config &config); - -private: - DECLARE_READ8_MEMBER(port77_r); - DECLARE_READ8_MEMBER(portff_r); - void kbd_put(u8 data); - uint32_t screen_update_modellot(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - - void io_map(address_map &map); - void mem_map(address_map &map); - - uint8_t m_term_data; - virtual void machine_reset() override; - required_shared_ptr<uint8_t> m_p_videoram; - required_device<cpu_device> m_maincpu; - required_region_ptr<u8> m_p_chargen; -}; - -void modellot_state::mem_map(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0xbfff).ram(); // 48k ram - map(0xc000, 0xc3ff).ram().share("videoram"); - map(0xe000, 0xffff).rom(); -} - -void modellot_state::io_map(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); - map(0x77, 0x77).r(FUNC(modellot_state::port77_r)); - map(0xff, 0xff).r(FUNC(modellot_state::portff_r)); -} - - -/* Input ports */ -static INPUT_PORTS_START( modellot ) -INPUT_PORTS_END - -READ8_MEMBER( modellot_state::port77_r) -{ - return 4; -} - -READ8_MEMBER( modellot_state::portff_r) -{ - uint8_t data = (m_term_data) ? m_term_data ^ 0x7f : 0xff; - m_term_data = 0; - return data; -} - -void modellot_state::kbd_put(u8 data) -{ - m_term_data = data; -} - -void modellot_state::machine_reset() -{ - m_term_data = 1; - m_maincpu->set_state_int(Z80_PC, 0xe000); -} - -const gfx_layout modellot_charlayout = -{ - 8, 16, /* 8x16 characters */ - 128, /* 128 characters */ - 1, /* 1 bits per pixel */ - {0}, /* no bitplanes; 1 bit per pixel */ - {0,1,2,3,4,5,6,7}, - {0, 8, 2 * 8, 3 * 8, 4 * 8, 5 * 8, 6 * 8, 7 * 8, - 0x400*8, 0x401*8, 0x402*8, 0x403*8, 0x404*8, 0x405*8, 0x406*8, 0x407*8}, - 8*8 /* space between characters */ -}; - -static GFXDECODE_START( gfx_modellot ) - GFXDECODE_ENTRY( "chargen", 0x0000, modellot_charlayout, 0, 1 ) -GFXDECODE_END - - -uint32_t modellot_state::screen_update_modellot(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - uint8_t y,ra,chr,gfx,inv; - uint16_t sy=0,ma=0,x; - - for (y = 0; y < 16; y++) - { - for (ra = 0; ra < 16; ra++) - { - uint16_t *p = &bitmap.pix16(sy++); - - for (x = 0; x < 64; x++) - { - inv = 0; - - chr = m_p_videoram[x+ma]; - - if (BIT(chr, 7)) inv = 0xff; - - chr &= 0x7f; // cursor - - if (ra < 8) - gfx = m_p_chargen[(chr<<3) | ra ]; - else - gfx = m_p_chargen[(chr<<3) | (ra-8) | 0x400]; - - gfx ^= inv; - - /* Display a scanline of a character */ - *p++ = BIT(gfx, 7); - *p++ = BIT(gfx, 6); - *p++ = BIT(gfx, 5); - *p++ = BIT(gfx, 4); - *p++ = BIT(gfx, 3); - *p++ = BIT(gfx, 2); - *p++ = BIT(gfx, 1); - *p++ = BIT(gfx, 0); - } - } - ma+=64; - } - return 0; -} - -void modellot_state::modellot(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, XTAL(4'000'000)); - m_maincpu->set_addrmap(AS_PROGRAM, &modellot_state::mem_map); - m_maincpu->set_addrmap(AS_IO, &modellot_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_size(64*8, 16*16); - screen.set_visarea(0, 64*8-1, 0, 16*16-1); - screen.set_screen_update(FUNC(modellot_state::screen_update_modellot)); - screen.set_palette("palette"); - - GFXDECODE(config, "gfxdecode", "palette", gfx_modellot); - PALETTE(config, "palette", palette_device::MONOCHROME); - - /* Devices */ - generic_keyboard_device &keyboard(GENERIC_KEYBOARD(config, "keyboard", 0)); - keyboard.set_keyboard_callback(FUNC(modellot_state::kbd_put)); -} - -/* ROM definition */ -ROM_START( modellot ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) - //ROM_LOAD( "fdc8119.u3", 0x0000, 0x0400, CRC(a8aee944) SHA1(f2cc598ed2e7a1a620e2f3f53c1a573965f6af26)) - ROM_LOAD( "dt49-48.u1", 0xe000, 0x0400, CRC(2441c438) SHA1(832994a4214a744b7e19e5f74000c95ae65e3759)) - ROM_LOAD( "ht20.u2", 0xe400, 0x0400, CRC(497c0495) SHA1(d03beebc4c31284729f6eac3bdf1fbf44adf7fff)) - - ROM_REGION( 0x0800, "chargen", ROMREGION_INVERT ) - ROM_LOAD( "gcem1.u3", 0x0000, 0x0200, CRC(e7739268) SHA1(091ef69282abe657d5f38c70a572964f5200a1d5)) - ROM_CONTINUE(0x400, 0x200) - ROM_LOAD( "gcem2.u4", 0x0200, 0x0200, CRC(6614330e) SHA1(880a541fb0ef6f37ac89439f9ea75a313c3e53d6)) - ROM_CONTINUE(0x600, 0x200) -ROM_END - -/* Driver */ -COMP( 1979, modellot, 0, 0, modellot, modellot, modellot_state, empty_init, "General Processor", "Modello T", MACHINE_IS_SKELETON ) |