diff options
Diffstat (limited to 'src/mame/drivers/tim100.cpp')
-rw-r--r-- | src/mame/drivers/tim100.cpp | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/src/mame/drivers/tim100.cpp b/src/mame/drivers/tim100.cpp deleted file mode 100644 index e0dedbddc6f..00000000000 --- a/src/mame/drivers/tim100.cpp +++ /dev/null @@ -1,236 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Miodrag Milanovic, Robbbert -/******************************************************************************************************** - -TIM-100 Terminal -Mihajlo Pupin Institute - -2012/12/21 Skeleton driver. -2016/07/14 Fixed display etc [Robbbert] - -Notes: -- Serial terminals appear to need 8 bits, 2 stop bits, odd parity @ 9600 -- Unable to type anything as it seems uarts want BRKDET activated all the time, which we cannot do. -- Unable to find any technical info at all, so it's all guesswork. - -*******************************************************************************************************/ - -#include "emu.h" -#include "bus/rs232/rs232.h" -#include "cpu/i8085/i8085.h" -#include "machine/clock.h" -#include "machine/i8251.h" -#include "video/i8275.h" -#include "emupal.h" -#include "screen.h" - -class tim100_state : public driver_device -{ -public: - tim100_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_charmap(*this, "chargen") - , m_p_videoram(*this, "videoram") - , m_maincpu(*this, "maincpu") - , m_palette(*this, "palette") - , m_crtc(*this, "crtc") - { } - - void tim100(machine_config &config); - -private: - DECLARE_WRITE_LINE_MEMBER(drq_w); - DECLARE_WRITE_LINE_MEMBER(irq_w); - I8275_DRAW_CHARACTER_MEMBER( crtc_display_pixels ); - - void tim100_io(address_map &map); - void tim100_mem(address_map &map); - - virtual void machine_start() override; - - uint16_t m_dma_adr; - required_region_ptr<uint8_t> m_charmap; - required_shared_ptr<uint8_t> m_p_videoram; - required_device<cpu_device> m_maincpu; - required_device<palette_device> m_palette; - required_device<i8276_device> m_crtc; -}; - -void tim100_state::tim100_mem(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0x1fff).rom(); // 2764 at U16 - map(0x2000, 0x27ff).ram().share("videoram"); // 2KB static ram CDM6116A at U15 - map(0x6000, 0x6001).rw("uart_u17", FUNC(i8251_device::read), FUNC(i8251_device::write)); - map(0x8000, 0x8001).rw("uart_u18", FUNC(i8251_device::read), FUNC(i8251_device::write)); - map(0xa000, 0xa000).nopw(); // continuously writes 00 here - map(0xc000, 0xc001).rw(m_crtc, FUNC(i8276_device::read), FUNC(i8276_device::write)); // i8276 -} - -void tim100_state::tim100_io(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); -} - - -/* Input ports */ -static INPUT_PORTS_START( tim100 ) -INPUT_PORTS_END - -static DEVICE_INPUT_DEFAULTS_START( tim100 ) - DEVICE_INPUT_DEFAULTS( "RS232_TXBAUD", 0xff, RS232_BAUD_9600 ) - DEVICE_INPUT_DEFAULTS( "RS232_RXBAUD", 0xff, RS232_BAUD_9600 ) - DEVICE_INPUT_DEFAULTS( "RS232_STARTBITS", 0xff, RS232_STARTBITS_1 ) - DEVICE_INPUT_DEFAULTS( "RS232_DATABITS", 0xff, RS232_DATABITS_8 ) - DEVICE_INPUT_DEFAULTS( "RS232_PARITY", 0xff, RS232_PARITY_ODD ) - DEVICE_INPUT_DEFAULTS( "RS232_STOPBITS", 0xff, RS232_STOPBITS_2 ) -DEVICE_INPUT_DEFAULTS_END - -static const rgb_t tim100_palette[3] = { - rgb_t(0x00, 0x00, 0x00), // black - rgb_t(0xa0, 0xa0, 0xa0), // white - rgb_t(0xff, 0xff, 0xff) // highlight -}; - -void tim100_state::machine_start() -{ - m_palette->set_pen_colors(0, tim100_palette); -} - -const gfx_layout tim100_charlayout = -{ - 12, 16, /* 8x16 characters */ - 256, /* 128 characters */ - 1, /* 1 bits per pixel */ - {0}, /* no bitplanes; 1 bit per pixel */ - {0,1,2,3,4,5,0x8000,0x8001,0x8002,0x8003,0x8004,0x8005}, - {0 * 8, 1 * 8, 2 * 8, 3 * 8, 4 * 8, 5 * 8, 6 * 8, 7 * 8, - 8 * 8, 9 * 8, 10 * 8, 11 * 8, 12 * 8, 13 * 8, 14 * 8, 15 * 8}, - 8*16 /* space between characters */ -}; - -static GFXDECODE_START( gfx_tim100 ) - GFXDECODE_ENTRY( "chargen", 0x0000, tim100_charlayout, 0, 1 ) -GFXDECODE_END - - -I8275_DRAW_CHARACTER_MEMBER( tim100_state::crtc_display_pixels ) -{ - const rgb_t *palette = m_palette->palette()->entry_list_raw(); - uint8_t pixels; - for (uint8_t i = 0; i < 2; i++) - { - pixels = m_charmap[(i * 0x1000) | (linecount & 15) | (charcode << 4)]; - if (vsp) - pixels = 0; - - if (lten) - pixels = 0xff; - - if (rvv) - pixels ^= 0xff; - - bitmap.pix32(y, x++) = palette[BIT(pixels, 7) ? (hlgt ? 2 : 1) : 0]; - bitmap.pix32(y, x++) = palette[BIT(pixels, 6) ? (hlgt ? 2 : 1) : 0]; - bitmap.pix32(y, x++) = palette[BIT(pixels, 5) ? (hlgt ? 2 : 1) : 0]; - bitmap.pix32(y, x++) = palette[BIT(pixels, 4) ? (hlgt ? 2 : 1) : 0]; - bitmap.pix32(y, x++) = palette[BIT(pixels, 3) ? (hlgt ? 2 : 1) : 0]; - bitmap.pix32(y, x++) = palette[BIT(pixels, 2) ? (hlgt ? 2 : 1) : 0]; - } -} - -WRITE_LINE_MEMBER( tim100_state::drq_w ) -{ - if (state) - m_crtc->dack_w(m_p_videoram[m_dma_adr++]); -} - -WRITE_LINE_MEMBER( tim100_state::irq_w ) -{ - if (state) - { - m_dma_adr = 2; - m_maincpu->set_input_line(I8085_RST65_LINE, HOLD_LINE); - } - else - m_maincpu->set_input_line(I8085_RST65_LINE, CLEAR_LINE); -} - - -void tim100_state::tim100(machine_config &config) -{ - /* basic machine hardware */ - I8085A(config, m_maincpu, XTAL(4'915'200)); // divider unknown - m_maincpu->set_addrmap(AS_PROGRAM, &tim100_state::tim100_mem); - m_maincpu->set_addrmap(AS_IO, &tim100_state::tim100_io); - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_screen_update("crtc", FUNC(i8276_device::screen_update)); - screen.set_refresh_hz(50); - screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ - screen.set_size(600, 352); - screen.set_visarea(0, 40*12-1, 0, 16*16-1); - - GFXDECODE(config, "gfxdecode", m_palette, gfx_tim100); - - I8276(config, m_crtc, XTAL(4'915'200)); - m_crtc->set_character_width(12); - m_crtc->set_display_callback(FUNC(tim100_state::crtc_display_pixels)); - m_crtc->drq_wr_callback().set(FUNC(tim100_state::drq_w)); - m_crtc->irq_wr_callback().set(FUNC(tim100_state::irq_w)); - m_crtc->set_screen("screen"); - - PALETTE(config, m_palette).set_entries(3); - - i8251_device &uart_u17(I8251(config, "uart_u17", 0)); - uart_u17.txd_handler().set("rs232", FUNC(rs232_port_device::write_txd)); - uart_u17.dtr_handler().set("rs232", FUNC(rs232_port_device::write_dtr)); - uart_u17.rts_handler().set("rs232", FUNC(rs232_port_device::write_rts)); - - rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, "keyboard")); - rs232.rxd_handler().set("uart_u17", FUNC(i8251_device::write_rxd)); - rs232.dsr_handler().set("uart_u17", FUNC(i8251_device::write_dsr)); - rs232.cts_handler().set("uart_u17", FUNC(i8251_device::write_cts)); - rs232.set_option_device_input_defaults("keyboard", DEVICE_INPUT_DEFAULTS_NAME(tim100)); - - i8251_device &uart_u18(I8251(config, "uart_u18", 0)); - uart_u18.txd_handler().set("rs232a", FUNC(rs232_port_device::write_txd)); - uart_u18.dtr_handler().set("rs232a", FUNC(rs232_port_device::write_dtr)); - uart_u18.rts_handler().set("rs232a", FUNC(rs232_port_device::write_rts)); - - rs232_port_device &rs232a(RS232_PORT(config, "rs232a", default_rs232_devices, "terminal")); //"keyboard")); - rs232a.rxd_handler().set("uart_u18", FUNC(i8251_device::write_rxd)); - rs232a.dsr_handler().set("uart_u18", FUNC(i8251_device::write_dsr)); - rs232a.cts_handler().set("uart_u18", FUNC(i8251_device::write_cts)); - rs232a.set_option_device_input_defaults("terminal", DEVICE_INPUT_DEFAULTS_NAME(tim100)); - - clock_device &uart_clock(CLOCK(config, "uart_clock", 153'600)); - uart_clock.signal_handler().set("uart_u17", FUNC(i8251_device::write_txc)); - uart_clock.signal_handler().append("uart_u17", FUNC(i8251_device::write_rxc)); - uart_clock.signal_handler().append("uart_u18", FUNC(i8251_device::write_txc)); - uart_clock.signal_handler().append("uart_u18", FUNC(i8251_device::write_rxc)); -} - -/* ROM definition */ -ROM_START( tim100 ) - ROM_REGION( 0x2000, "maincpu", 0 ) - ROM_LOAD( "tim 100 v.3.2.0.u16", 0x0000, 0x2000, CRC(4de9c8ad) SHA1(b0914d6e8d618e92a87b4b39c35391541251e8cc)) - - // The first and 2nd halves of these roms are identical, confirmed ok - ROM_REGION( 0x2000, "chargen", ROMREGION_INVERT ) - ROM_SYSTEM_BIOS( 0, "212", "v 2.1.2" ) - ROMX_LOAD( "tim 100kg v.2.1.2.u12", 0x0000, 0x0800, CRC(faf5743c) SHA1(310b662e9535878210f8aaab3e2b846fade60642), ROM_BIOS(0)) - ROM_CONTINUE (0x1000, 0x0800) - ROM_CONTINUE (0x0800, 0x0800) - ROM_CONTINUE (0x1800, 0x0800) - ROM_SYSTEM_BIOS( 1, "220", "v 2.2.0" ) - ROMX_LOAD( "tim 100kg v.2.2.0.u12", 0x0000, 0x0800, CRC(358dbbd3) SHA1(14b7d6ee41b19bedf2f070f5b28b03aaff2cac4f), ROM_BIOS(1)) - ROM_CONTINUE (0x1000, 0x0800) - ROM_CONTINUE (0x0800, 0x0800) - ROM_CONTINUE (0x1800, 0x0800) -ROM_END - -/* Driver */ -COMP( 1985, tim100, 0, 0, tim100, tim100, tim100_state, empty_init, "Mihajlo Pupin Institute", "TIM-100", MACHINE_IS_SKELETON) |