diff options
Diffstat (limited to 'src/mame/drivers/informer_213.cpp')
-rw-r--r-- | src/mame/drivers/informer_213.cpp | 463 |
1 files changed, 0 insertions, 463 deletions
diff --git a/src/mame/drivers/informer_213.cpp b/src/mame/drivers/informer_213.cpp deleted file mode 100644 index f6d9268bbd8..00000000000 --- a/src/mame/drivers/informer_213.cpp +++ /dev/null @@ -1,463 +0,0 @@ -// license: BSD-3-Clause -// copyright-holders: Dirk Best -/*************************************************************************** - - Informer 213 (IBM 374/SNA V.22) - Informer 213 AE (VT-100) - - Hardware: - - EF68B09EP - - 2x TC5564PL-15 [8k] (next to CG ROM) - - 1x TC5565APL-15 [8k] + 2x TMS4464-15NL [32k] (next to CPU) - - Z0853006PSC SCC - - ASIC (INFORMER 44223) - - 18.432 MHz XTAL - - TODO: - - Figure out the ASIC and how it's connected - -***************************************************************************/ - -#include "emu.h" -#include "cpu/m6809/m6809.h" -#include "machine/nvram.h" -#include "machine/z80scc.h" -#include "machine/informer_213_kbd.h" -#include "bus/rs232/rs232.h" -#include "bus/rs232/printer.h" -#include "sound/beep.h" -#include "emupal.h" -#include "screen.h" -#include "speaker.h" - - -//************************************************************************** -// TYPE DEFINITIONS -//************************************************************************** - -class informer_213_state : public driver_device -{ -public: - informer_213_state(const machine_config &mconfig, device_type type, const char *tag) : - driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_nvram(*this, "nvram%u", 0U), - m_screen(*this, "screen"), - m_palette(*this, "palette"), - m_scc(*this, "scc"), - m_beep(*this, "beep"), - m_nvram_bank(*this, "banked"), - m_vram(*this, "vram"), - m_aram(*this, "aram"), - m_chargen(*this, "chargen") - { } - - void informer_213(machine_config &config); - -protected: - void machine_start() override; - void machine_reset() override; - -private: - required_device<cpu_device> m_maincpu; - required_device_array<nvram_device, 2> m_nvram; - required_device<screen_device> m_screen; - required_device<palette_device> m_palette; - required_device<scc8530_device> m_scc; - required_device<beep_device> m_beep; - required_memory_bank m_nvram_bank; - required_shared_ptr<uint8_t> m_vram; - required_shared_ptr<uint8_t> m_aram; - required_region_ptr<uint8_t> m_chargen; - - void mem_map(address_map &map); - - uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); - void vblank_w(int state); - void vram_start_addr_w(offs_t offset, uint8_t data); - void vram_end_addr_w(offs_t offset, uint8_t data); - void vram_start_addr2_w(offs_t offset, uint8_t data); - void cursor_addr_w(offs_t offset, uint8_t data); - void cursor_start_w(uint8_t data); - void cursor_end_w(uint8_t data); - void screen_ctrl_w(uint8_t data); - - void bell_w(uint8_t data); - - void kbd_int_w(int state); - uint8_t firq_vector_r(); - - std::unique_ptr<uint8_t[]> m_banked_ram; - - uint16_t m_vram_start_addr; - uint16_t m_vram_end_addr; - uint16_t m_vram_start_addr2; - uint8_t m_cursor_start; - uint8_t m_cursor_end; - uint16_t m_cursor_addr; - uint8_t m_screen_ctrl; - uint8_t m_firq_vector; -}; - - -//************************************************************************** -// ADDRESS MAPS -//************************************************************************** - -void informer_213_state::mem_map(address_map &map) -{ - map(0x0000, 0x0000).rw("kbd", FUNC(informer_213_kbd_hle_device::read), FUNC(informer_213_kbd_hle_device::write)); - map(0x0006, 0x0007).unmapr().w(FUNC(informer_213_state::vram_start_addr_w)); - map(0x0008, 0x0009).unmapr().w(FUNC(informer_213_state::vram_end_addr_w)); - map(0x000a, 0x000b).unmapr().w(FUNC(informer_213_state::vram_start_addr2_w)); - map(0x000d, 0x000d).unmapr().w(FUNC(informer_213_state::cursor_start_w)); - map(0x000e, 0x000e).unmapr().w(FUNC(informer_213_state::cursor_end_w)); - map(0x000f, 0x0010).unmapr().w(FUNC(informer_213_state::cursor_addr_w)); - map(0x0021, 0x0021).w(FUNC(informer_213_state::screen_ctrl_w)); - map(0x0040, 0x0043).rw(m_scc, FUNC(scc85c30_device::ab_dc_r), FUNC(scc85c30_device::ab_dc_w)); - map(0x0060, 0x0060).w(FUNC(informer_213_state::bell_w)); - map(0x0100, 0x03ff).ram().share("nvram0"); // might not be all nvram - map(0x0400, 0x07ff).bankrw("banked"); // unknown size, data written 0x540 to 0x749 - map(0x0800, 0x5fff).ram(); - map(0x6000, 0x6fff).ram().share("vram"); - map(0x7000, 0x7fff).ram().share("aram"); - map(0x8000, 0xffff).rom().region("maincpu", 0); - map(0xfff7, 0xfff7).r(FUNC(informer_213_state::firq_vector_r)); - map(0xfff9, 0xfff9).lr8(NAME([this] () { return m_scc->m1_r(); })); // irq vector -} - - -//************************************************************************** -// INPUT PORT DEFINITIONS -//************************************************************************** - -static INPUT_PORTS_START( informer_213 ) -INPUT_PORTS_END - - -//************************************************************************** -// VIDEO EMULATION -//************************************************************************** - -uint32_t informer_213_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) -{ - offs_t chargen_base = (m_chargen.bytes() == 0x4000) ? 0x2000 : 0; - - // line at which vram splits into two windows - int split = 24 - ((m_vram_start_addr2 - m_vram_start_addr) / 80); - - for (int y = 0; y < 26; y++) - { - uint8_t line_attr = 0; - - for (int x = 0; x < 80; x++) - { - uint16_t addr; - - // vram is split into 3 areas: display window 1, display window 2, status bar - if (y >= 24) - addr = 0x6000 + (y - 24) * 80 + x; - else if (y >= split) - addr = m_vram_start_addr + (y - split) * 80 + x; - else - addr = m_vram_start_addr2 + y * 80 + x; - - uint8_t code = m_vram[addr - 0x6000]; - uint8_t attr = m_aram[addr - 0x6000]; - - if (code == 0xc0 || code == 0xe8) - line_attr = attr; - - // draw 9 lines - for (int i = 0; i < 9; i++) - { - uint8_t data = m_chargen[chargen_base | ((code << 4) + i)]; - - // conceal - if (line_attr & 0x08 || attr & 0x08) - data = 0x00; - - // reverse video - if (line_attr & 0x10 || attr & 0x10) - data ^= 0xff; - - // underline (not supported by terminal?) - if (line_attr & 0x20 || attr & 0x20) - data = +data; - - // blink (todo: timing) - if (line_attr & 0x40 || attr & 0x40) - data = m_screen->frame_number() & 0x20 ? 0x00 :data; - - if (code == 0xc0 || code == 0xe8) - data = 0; - - if (BIT(m_screen_ctrl, 5)) - data ^= 0xff; - - // cursor - if (BIT(m_cursor_start, 5) == 1 && addr == m_cursor_addr && y < 24) - if (i >= (m_cursor_start & 0x0f) && i < (m_cursor_end & 0x0f)) - if (!(BIT(m_screen_ctrl, 4) == 0 && (m_screen->frame_number() & 0x20))) - data = 0xff; - - // 6 pixels of the character - bitmap.pix(y * 9 + i, x * 6 + 0) = BIT(data, 7) ? rgb_t::white() : rgb_t::black(); - bitmap.pix(y * 9 + i, x * 6 + 1) = BIT(data, 6) ? rgb_t::white() : rgb_t::black(); - bitmap.pix(y * 9 + i, x * 6 + 2) = BIT(data, 5) ? rgb_t::white() : rgb_t::black(); - bitmap.pix(y * 9 + i, x * 6 + 3) = BIT(data, 4) ? rgb_t::white() : rgb_t::black(); - bitmap.pix(y * 9 + i, x * 6 + 4) = BIT(data, 3) ? rgb_t::white() : rgb_t::black(); - bitmap.pix(y * 9 + i, x * 6 + 5) = BIT(data, 2) ? rgb_t::white() : rgb_t::black(); - } - } - } - - return 0; -} - -void informer_213_state::vram_start_addr_w(offs_t offset, uint8_t data) -{ - if (offset) - m_vram_start_addr = (m_vram_start_addr & 0xff00) | (data << 0); - else - m_vram_start_addr = (m_vram_start_addr & 0x00ff) | (data << 8); - - if (offset) - logerror("vram_start_addr_w: %04x\n", m_vram_start_addr); -} - -void informer_213_state::vram_end_addr_w(offs_t offset, uint8_t data) -{ - if (offset) - m_vram_end_addr = (m_vram_end_addr & 0xff00) | (data << 0); - else - m_vram_end_addr = (m_vram_end_addr & 0x00ff) | (data << 8); - - if (offset) - logerror("vram_end_addr_w: %04x\n", m_vram_end_addr); -} - -void informer_213_state::vram_start_addr2_w(offs_t offset, uint8_t data) -{ - if (offset) - m_vram_start_addr2 = (m_vram_start_addr2 & 0xff00) | (data << 0); - else - m_vram_start_addr2 = (m_vram_start_addr2 & 0x00ff) | (data << 8); - - if (offset) - logerror("vram_start_addr2_w: %04x\n", m_vram_start_addr2); -} - -void informer_213_state::cursor_start_w(uint8_t data) -{ - logerror("cursor_start_w: %02x\n", data); - - // 76------ unknown - // --5----- cursor visible - // ---4---- unknown - // ----3210 cursor starting line, values seen: 0 (block/off), 6 (underline) - - m_cursor_start = data; -} - -void informer_213_state::cursor_end_w(uint8_t data) -{ - logerror("cursor_end_w: %02x\n", data); - - // 7654---- unknown - // ----3210 cursor ending line, values seen: 9 (block), 8 (underline), 1 (off) - - m_cursor_end = data; -} - -void informer_213_state::cursor_addr_w(offs_t offset, uint8_t data) -{ - if (offset) - m_cursor_addr = (m_cursor_addr & 0xff00) | (data << 0); - else - m_cursor_addr = (m_cursor_addr & 0x00ff) | (data << 8); - - if (offset) - logerror("cursor_addr_w: %04x\n", m_cursor_addr); -} - -void informer_213_state::screen_ctrl_w(uint8_t data) -{ - logerror("screen_ctrl_w: %02x\n", data); - - // 76------ unknown - // --5----- screen reverse - // ---4---- cursor blink/steady - // ----3210 unknown - - m_screen_ctrl = data; -} - -void informer_213_state::vblank_w(int state) -{ - if (state) - { - // real source if this interrupt is unknown, deactivated for now -#if 0 - m_firq_vector = 0x10; - m_maincpu->set_input_line(M6809_FIRQ_LINE, HOLD_LINE); -#endif - } -} - -static const gfx_layout char_layout = -{ - 6,9, - RGN_FRAC(1,1), - 1, - { 0 }, - { 0, 1, 2, 3, 4, 5 }, - { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8 }, - 8*16 -}; - -static GFXDECODE_START(chars) - GFXDECODE_ENTRY("chargen", 0, char_layout, 0, 1) -GFXDECODE_END - - -//************************************************************************** -// MACHINE EMULATION -//************************************************************************** - -void informer_213_state::bell_w(uint8_t data) -{ - logerror("bell_w: %02x\n", data); - - // 7654---- unknown - // ----3--- ram bank - // -----2-- beeper - // ------10 unknown - - m_beep->set_state(BIT(data, 2)); - m_nvram_bank->set_entry(BIT(data, 3)); -} - -void informer_213_state::kbd_int_w(int state) -{ - m_firq_vector = 0x14; - m_maincpu->set_input_line(M6809_FIRQ_LINE, HOLD_LINE); -} - -uint8_t informer_213_state::firq_vector_r() -{ - uint8_t tmp = m_firq_vector; - m_firq_vector = 0x00; - - return tmp; -} - -void informer_213_state::machine_start() -{ - m_banked_ram = make_unique_clear<uint8_t[]>(0x800); - membank("banked")->configure_entries(0, 2, m_banked_ram.get(), 0x400); - - m_nvram[1]->set_base(m_banked_ram.get(), 0x800); - - // register for save states - save_item(NAME(m_vram_start_addr)); - save_item(NAME(m_vram_start_addr2)); - save_item(NAME(m_vram_end_addr)); - save_item(NAME(m_cursor_addr)); - save_item(NAME(m_screen_ctrl)); - save_item(NAME(m_firq_vector)); -} - -void informer_213_state::machine_reset() -{ - m_firq_vector = 0x00; -} - - -//************************************************************************** -// MACHINE DEFINTIONS -//************************************************************************** - -void in213_printer_devices(device_slot_interface &device) -{ - device.option_add("printer", SERIAL_PRINTER); -} - -void informer_213_state::informer_213(machine_config &config) -{ - MC6809(config, m_maincpu, 18.432_MHz_XTAL / 4); // unknown clock - m_maincpu->set_addrmap(AS_PROGRAM, &informer_213_state::mem_map); - - NVRAM(config, m_nvram[0], nvram_device::DEFAULT_ALL_0); - NVRAM(config, m_nvram[1], nvram_device::DEFAULT_ALL_0); - - SCC8530N(config, m_scc, 18.432_MHz_XTAL / 5); - m_scc->out_txda_callback().set("host", FUNC(rs232_port_device::write_txd)); - m_scc->out_dtra_callback().set("host", FUNC(rs232_port_device::write_dtr)); - m_scc->out_rtsa_callback().set("host", FUNC(rs232_port_device::write_rts)); - m_scc->out_txdb_callback().set("printer", FUNC(rs232_port_device::write_txd)); - m_scc->out_int_callback().set_inputline(m_maincpu, M6809_IRQ_LINE); - - rs232_port_device &rs232_host(RS232_PORT(config, "host", default_rs232_devices, nullptr)); - rs232_host.rxd_handler().set(m_scc, FUNC(scc85c30_device::rxa_w)); - rs232_host.dcd_handler().set(m_scc, FUNC(scc85c30_device::dcda_w)); - rs232_host.cts_handler().set(m_scc, FUNC(scc85c30_device::ctsa_w)); - - RS232_PORT(config, "printer", in213_printer_devices, nullptr); - - // video - SCREEN(config, m_screen, SCREEN_TYPE_LCD); - m_screen->set_color(rgb_t::amber()); - m_screen->set_size(480, 234); - m_screen->set_visarea_full(); - m_screen->set_refresh_hz(60); - m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); // not accurate -// m_screen->set_raw(18.432_MHz_XTAL, 0, 0, 0, 0, 0, 0); - m_screen->set_screen_update(FUNC(informer_213_state::screen_update)); - m_screen->screen_vblank().set(FUNC(informer_213_state::vblank_w)); - - PALETTE(config, m_palette, palette_device::MONOCHROME); - - GFXDECODE(config, "gfxdecode", m_palette, chars); - - // sound - SPEAKER(config, "mono").front_center(); - BEEP(config, "beep", 500).add_route(ALL_OUTPUTS, "mono", 0.50); // frequency unknown - - informer_213_kbd_hle_device &kbd(INFORMER_213_KBD_HLE(config, "kbd")); - kbd.int_handler().set(FUNC(informer_213_state::kbd_int_w)); -} - - -//************************************************************************** -// ROM DEFINITIONS -//************************************************************************** - -ROM_START( in213 ) - ROM_REGION(0x8000, "maincpu", 0) - // 79687-305 PTF02 SNA V2.6 CK=24EE (checksum matches) - ROM_LOAD("79687-305.bin", 0x0000, 0x8000, CRC(0638c6d6) SHA1(1906f835f255d595c5743b453614ba21acb5acae)) - - ROM_REGION(0x2000, "chargen", 0) - // 79688-003 ICT 213/CG. CK=C4E0 (checksum matches) - ROM_LOAD("79688-003.bin", 0x0000, 0x2000, CRC(75e0da94) SHA1(c10c71fcf980a5f868a85bc264661183fa69fa72)) -ROM_END - -ROM_START( in213ae ) - ROM_REGION(0x8000, "maincpu", 0) - // 79750-304-213AE_V1.6_CK-B1B8 - ROM_LOAD("79750-304.bin", 0x0000, 0x8000, CRC(82ffe69e) SHA1(3803100aeb8f5e484bc9f4c533ef4f25223c9023)) - - ROM_REGION(0x4000, "chargen", 0) - // 79747-002 V.32 ME C.G. V3.1 CK=D68C (checksum matches) - ROM_LOAD("79747-002.bin", 0x0000, 0x4000, CRC(7425327f) SHA1(e3e67305b3b8936683724d1347a451fffe96bf0e)) -ROM_END - - -//************************************************************************** -// SYSTEM DRIVERS -//************************************************************************** - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1990, in213 , 0, 0, informer_213, informer_213, informer_213_state, empty_init, "Informer", "Informer 213", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) -COMP( 1992, in213ae, 0, 0, informer_213, informer_213, informer_213_state, empty_init, "Informer", "Informer 213 AE", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) |