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Diffstat (limited to 'src/mame/drivers/tk635.cpp')
-rw-r--r-- | src/mame/drivers/tk635.cpp | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/src/mame/drivers/tk635.cpp b/src/mame/drivers/tk635.cpp deleted file mode 100644 index e57e27e870d..00000000000 --- a/src/mame/drivers/tk635.cpp +++ /dev/null @@ -1,212 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders: Dirk Best -/**************************************************************************** - - Termtek TK-635 terminal - - Hardware: - - AMD N80C188-25 - - TERMTEK TKA-200 - - 128k + 32k RAM - - 256 KB flash memory - - Features: - - 31.5khz or 48.1khz horizontal - - 70/72 hz vertical - - 16 background/foreground/border colors - - 24x80/132, 25x80/132, 42x80/132, 43x80/132 - - Standard PC/AT keyboard - - Notes: - - Identical to the Qume QVT-72 Plus? - - TODO: - - Everything - -****************************************************************************/ - -#include "emu.h" -#include "cpu/i86/i186.h" -#include "emupal.h" -#include "screen.h" - -class tk635_state : public driver_device -{ -public: - tk635_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_ram(*this, "ram"), - m_charram(*this, "charram"), - m_nmi_enable(false), - m_voffset(0) - { } - - void tk635(machine_config &config); - -protected: - virtual void machine_start() override; - virtual void machine_reset() override; - -private: - required_device<cpu_device> m_maincpu; - required_shared_ptr<u8> m_ram; - required_shared_ptr<u8> m_charram; - - void mem_map(address_map &map); - void io_map(address_map &map); - - uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); - void vblank_w(int state); - - uint8_t unk_00_r(); - void voffset_lsb_w(uint8_t data); - void voffset_msb_w(uint8_t data); - uint8_t unk_11_r(); - uint8_t unk_19_r(); - void unk_f0_w(uint8_t data); - - bool m_nmi_enable; - uint16_t m_voffset; -}; - -void tk635_state::mem_map(address_map &map) -{ - map(0x00000, 0x1ffff).ram().share("ram"); - map(0x20000, 0x23fff).ram().share("charram"); - map(0xc0000, 0xfffff).rom().region("maincpu", 0); -} - -void tk635_state::io_map(address_map &map) -{ - map(0x00, 0x00).r(FUNC(tk635_state::unk_00_r)); - map(0x04, 0x04).w(FUNC(tk635_state::voffset_lsb_w)); - map(0x05, 0x05).w(FUNC(tk635_state::voffset_msb_w)); - map(0x11, 0x11).r(FUNC(tk635_state::unk_11_r)); -// map(0x13, 0x13).ram(); // host port - map(0x19, 0x19).r(FUNC(tk635_state::unk_19_r)); -// map(0x1b, 0x1b).ram(); // aux port - map(0xf0, 0xf0).w(FUNC(tk635_state::unk_f0_w)); -} - -static INPUT_PORTS_START( tk635 ) -INPUT_PORTS_END - -static const gfx_layout char_layout_8x16 = -{ - 8, 16, - 512, - 1, - { 0 }, - { STEP8(0, 1) }, - { STEP16(0, 8) }, - 8*32 -}; - -static GFXDECODE_START(chars) - GFXDECODE_RAM("charram", 0, char_layout_8x16, 0, 1) -GFXDECODE_END - -uint32_t tk635_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) -{ - for (int y = 0; y < 26; y++) - { - for (int x = 0; x < 132; x++) - { - uint8_t code = m_ram[(0x10000 | m_voffset) + (y * 132) + x]; - - // draw 16 lines - for (int i = 0; i < 16; i++) - { - uint8_t data = m_charram[(code << 5) + i]; - - // 8 pixels of the character - for (int p = 0; p < 8; p++) - bitmap.pix32(y * 16 + i, x * 9 + p) = BIT(data, 7 - p) ? rgb_t::white() : rgb_t::black(); - - // 9th pixel empty - bitmap.pix32(y * 16 + i, x * 9 + 8) = rgb_t::black(); - } - } - } - - return 0; -} - -void tk635_state::vblank_w(int state) -{ - if (state == 1 && m_nmi_enable) - m_maincpu->pulse_input_line(INPUT_LINE_NMI, attotime::zero); -} - -uint8_t tk635_state::unk_00_r() -{ - logerror("unk_00_r: %02x\n", 0x10); - return 0x10; -} - -void tk635_state::voffset_lsb_w(uint8_t data) -{ - m_voffset = (m_voffset & 0xff00) | data; -} - -void tk635_state::voffset_msb_w(uint8_t data) -{ - m_voffset = (data << 8) | (m_voffset & 0x00ff); -} - -uint8_t tk635_state::unk_11_r() -{ - logerror("unk_11_r: %02x\n", 0x09); - return 0x09; -} - -uint8_t tk635_state::unk_19_r() -{ - logerror("unk_19_r: %02x\n", 0x09); - return 0x09; -} - -void tk635_state::unk_f0_w(uint8_t data) -{ - logerror("unk_f0_w: %02x\n", data); - m_nmi_enable = true; -} - -void tk635_state::machine_start() -{ - // register for save states - save_item(NAME(m_nmi_enable)); - save_item(NAME(m_voffset)); -} - -void tk635_state::machine_reset() -{ - m_nmi_enable = false; -} - -void tk635_state::tk635(machine_config &config) -{ - I80188(config, m_maincpu, 25000000); - m_maincpu->set_addrmap(AS_PROGRAM, &tk635_state::mem_map); - m_maincpu->set_addrmap(AS_IO, &tk635_state::io_map); - - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_refresh_hz(70); - screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); // not accurate - screen.set_screen_update(FUNC(tk635_state::screen_update)); - screen.set_size(1188, 416); - screen.set_visarea(0, 1188-1, 0, 416-1); - screen.screen_vblank().set(FUNC(tk635_state::vblank_w)); - - PALETTE(config, "palette").set_entries(16); - - GFXDECODE(config, "gfxdecode", "palette", chars); -} - -ROM_START( tk635 ) - ROM_REGION(0x40000, "maincpu", 0) - ROM_LOAD("fw_v0_23.bin", 0x00000, 0x40000, CRC(bec6fdae) SHA1(37dc46f6b761d874bd1627a1137bc4082e364698)) -ROM_END - -COMP( 199?, tk635, 0, 0, tk635, tk635, tk635_state, empty_init, "Termtek", "TK-635", MACHINE_NOT_WORKING | MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE ) |