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Diffstat (limited to 'src/mame/drivers/k8915.cpp')
-rw-r--r-- | src/mame/drivers/k8915.cpp | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/src/mame/drivers/k8915.cpp b/src/mame/drivers/k8915.cpp deleted file mode 100644 index 2c2609ee46b..00000000000 --- a/src/mame/drivers/k8915.cpp +++ /dev/null @@ -1,184 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Miodrag Milanovic, Robbbert -/*************************************************************************** - -Robotron K8915 - -2010-08-30 - -When it says DIAGNOSTIC RAZ P, press enter. - -****************************************************************************/ - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "machine/z80ctc.h" -#include "machine/z80sio.h" -#include "bus/rs232/rs232.h" -#include "emupal.h" -#include "screen.h" - -class k8915_state : public driver_device -{ -public: - k8915_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") - { } - - void k8915(machine_config &config); - - void init_k8915(); - -private: - DECLARE_WRITE8_MEMBER(k8915_a8_w); - uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - - void io_map(address_map &map); - void mem_map(address_map &map); - - uint8_t m_framecnt; - virtual void machine_reset() override; - required_device<cpu_device> m_maincpu; - required_shared_ptr<uint8_t> m_p_videoram; - required_region_ptr<u8> m_p_chargen; -}; - - -WRITE8_MEMBER( k8915_state::k8915_a8_w ) -{ -// seems to switch ram and rom around. - if (data == 0x87) - membank("boot")->set_entry(0); // ram at 0000 - else - membank("boot")->set_entry(1); // rom at 0000 -} - -void k8915_state::mem_map(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0x0fff).bankrw("boot"); - map(0x1000, 0x17ff).ram().share("videoram"); - map(0x1800, 0xffff).ram(); -} - -void k8915_state::io_map(address_map &map) -{ - map.global_mask(0xff); - map(0x50, 0x53).rw("sio", FUNC(z80sio_device::ba_cd_r), FUNC(z80sio_device::ba_cd_w)); - map(0x58, 0x5b).rw("ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); - map(0xa8, 0xa8).w(FUNC(k8915_state::k8915_a8_w)); -} - -/* Input ports */ -static INPUT_PORTS_START( k8915 ) -INPUT_PORTS_END - -void k8915_state::machine_reset() -{ - membank("boot")->set_entry(1); -} - -void k8915_state::init_k8915() -{ - uint8_t *RAM = memregion("maincpu")->base(); - membank("boot")->configure_entries(0, 2, &RAM[0x0000], 0x10000); -} - -uint32_t k8915_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - uint8_t y,ra,chr,gfx; - uint16_t sy=0,ma=0,x; - - m_framecnt++; - - for (y = 0; y < 25; y++) - { - for (ra = 0; ra < 10; ra++) - { - uint16_t *p = &bitmap.pix16(sy++); - - for (x = ma; x < ma + 80; x++) - { - gfx = 0; - - if (ra < 9) - { - chr = m_p_videoram[x]; - - /* Take care of flashing characters */ - if ((chr & 0x80) && (m_framecnt & 0x08)) - chr = 0x20; - - chr &= 0x7f; - - 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+=80; - } - return 0; -} - - -void k8915_state::k8915(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, XTAL(4'915'200) / 2); - m_maincpu->set_addrmap(AS_PROGRAM, &k8915_state::mem_map); - m_maincpu->set_addrmap(AS_IO, &k8915_state::io_map); - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER, rgb_t::green())); - screen.set_refresh_hz(60); - screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ - screen.set_screen_update(FUNC(k8915_state::screen_update)); - screen.set_size(640, 250); - screen.set_visarea(0, 639, 0, 249); - screen.set_palette("palette"); - - PALETTE(config, "palette", palette_device::MONOCHROME); - - z80ctc_device& ctc(Z80CTC(config, "ctc", XTAL(4'915'200) / 2)); - ctc.set_clk<2>(XTAL(4'915'200) / 2); - ctc.zc_callback<2>().set("sio", FUNC(z80sio_device::rxtxcb_w)); - - z80sio_device& sio(Z80SIO(config, "sio", XTAL(4'915'200) / 2)); - sio.out_txdb_callback().set("rs232", FUNC(rs232_port_device::write_txd)); - sio.out_dtrb_callback().set("rs232", FUNC(rs232_port_device::write_dtr)); - sio.out_rtsb_callback().set("rs232", FUNC(rs232_port_device::write_rts)); - - rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, "keyboard")); - rs232.rxd_handler().set("sio", FUNC(z80sio_device::rxb_w)); - rs232.dcd_handler().set("sio", FUNC(z80sio_device::dcdb_w)); - rs232.cts_handler().set("sio", FUNC(z80sio_device::ctsb_w)); -} - - -/* ROM definition */ -ROM_START( k8915 ) - ROM_REGION( 0x11000, "maincpu", ROMREGION_ERASEFF ) - ROM_LOAD( "k8915.bin", 0x10000, 0x1000, CRC(ca70385f) SHA1(a34c14adae9be821678aed7f9e33932ee1f3e61c)) - - /* character generator not dumped, using the one from 'c10' for now */ - ROM_REGION( 0x2000, "chargen", 0 ) - ROM_LOAD( "c10_char.bin", 0x0000, 0x2000, BAD_DUMP CRC(cb530b6f) SHA1(95590bbb433db9c4317f535723b29516b9b9fcbf)) -ROM_END - -/* Driver */ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1982, k8915, 0, 0, k8915, k8915, k8915_state, init_k8915, "Robotron", "K8915", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) |