diff options
Diffstat (limited to 'src/mame/drivers/c10.cpp')
-rw-r--r-- | src/mame/drivers/c10.cpp | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/src/mame/drivers/c10.cpp b/src/mame/drivers/c10.cpp deleted file mode 100644 index 511b6741ffe..00000000000 --- a/src/mame/drivers/c10.cpp +++ /dev/null @@ -1,199 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Robbbert -/***************************************************************************************************** - -Cromemco C-10 Personal Computer - -2010-08-30 Skeleton driver - -Photos show: Intersil 74954-1, Mostek MK3880N-4 (Z80A), CROMEMCO 011-0082-01, CROMEMCO 011-0095, - Intel P8275-2, AM92128BPC (16K ROM), NEC D8257C-5, CROMEMCO 011-0083, WDC FD1793B-02, - 2x 8251. Crystals: 8MHz, 13.028MHz - -Driver currently gets to a loop where it waits for an interrupt. -The interrupt routine presumably writes to FE69 which the loop is -constantly looking at. - -*****************************************************************************************************/ - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "emupal.h" -#include "screen.h" - - -class c10_state : public driver_device -{ -public: - enum - { - TIMER_RESET - }; - - c10_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, "maincpu") - , m_p_videoram(*this, "videoram") - , m_p_chargen(*this, "chargen") - { } - - uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - void init_c10(); - - void c10(machine_config &config); - void c10_io(address_map &map); - void c10_mem(address_map &map); -private: - required_device<cpu_device> m_maincpu; - required_shared_ptr<uint8_t> m_p_videoram; - required_region_ptr<u8> m_p_chargen; - virtual void machine_reset() override; - virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; -}; - - - -void c10_state::c10_mem(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0x0fff).bankrw("boot"); - map(0x1000, 0x7fff).ram(); - map(0x8000, 0xbfff).rom(); - map(0xc000, 0xf0a1).ram(); - map(0xf0a2, 0xffff).ram().share("videoram"); -} - -void c10_state::c10_io(address_map &map) -{ - map.global_mask(0xff); -} - -/* Input ports */ -static INPUT_PORTS_START( c10 ) -INPUT_PORTS_END - -void c10_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) -{ - switch (id) - { - case TIMER_RESET: - /* after the first 4 bytes have been read from ROM, switch the ram back in */ - membank("boot")->set_entry(0); - break; - default: - throw emu_fatalerror("Unknown id in c10_state::device_timer"); - } -} - -void c10_state::machine_reset() -{ - membank("boot")->set_entry(1); - timer_set(attotime::from_usec(4), TIMER_RESET); -} - -/* This system appears to have inline attribute bytes of unknown meaning. - Currently they are ignored. The word at FAB5 looks like it might be cursor location. */ -uint32_t c10_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - //static uint8_t framecnt=0; - uint8_t y,ra,chr,gfx; - uint16_t sy=0,ma=0,x,xx; - - //framecnt++; - - for (y = 0; y < 25; y++) - { - for (ra = 0; ra < 10; ra++) - { - uint16_t *p = &bitmap.pix16(sy++); - - xx = ma; - for (x = ma; x < ma + 80; x++) - { - gfx = 0; - if (ra < 9) - { - chr = m_p_videoram[xx++]; - - // /* Take care of flashing characters */ - // if ((chr < 0x80) && (framecnt & 0x08)) - // chr |= 0x80; - - if (BIT(chr, 7)) // ignore attribute bytes - x--; - else - gfx = m_p_chargen[(chr<<4) | ra ]; - } - /* 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+=96; - } - return 0; -} - -/* F4 Character Displayer */ -static const gfx_layout c10_charlayout = -{ - 8, 9, /* 8 x 9 characters */ - 512, /* 512 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 }, - 8*16 /* every char takes 16 bytes */ -}; - -static GFXDECODE_START( gfx_c10 ) - GFXDECODE_ENTRY( "chargen", 0x0000, c10_charlayout, 0, 1 ) -GFXDECODE_END - - -void c10_state::c10(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, XTAL(8'000'000) / 2); - m_maincpu->set_addrmap(AS_PROGRAM, &c10_state::c10_mem); - m_maincpu->set_addrmap(AS_IO, &c10_state::c10_io); - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_refresh_hz(60); - screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ - screen.set_screen_update(FUNC(c10_state::screen_update)); - screen.set_size(640, 250); - screen.set_visarea_full(); - screen.set_palette("palette"); - GFXDECODE(config, "gfxdecode", "palette", gfx_c10); - PALETTE(config, "palette", palette_device::MONOCHROME); -} - -void c10_state::init_c10() -{ - uint8_t *RAM = memregion("maincpu")->base(); - membank("boot")->configure_entries(0, 2, &RAM[0x0000], 0x8000); -} - -/* ROM definition */ -ROM_START( c10 ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) - ROM_LOAD( "502-0055.ic16", 0x8000, 0x4000, CRC(2ccf5983) SHA1(52f7c497f5284bf5df9eb0d6e9142bb1869d8c24)) - - ROM_REGION( 0x2000, "chargen", 0 ) - ROM_LOAD( "c10_char.ic9", 0x0000, 0x2000, CRC(cb530b6f) SHA1(95590bbb433db9c4317f535723b29516b9b9fcbf)) -ROM_END - -/* Driver */ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -COMP( 1982, c10, 0, 0, c10, c10, c10_state, init_c10, "Cromemco", "C-10", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) |