mirror of
https://github.com/holub/mame
synced 2025-06-30 16:00:01 +03:00
New machines added as NOT_WORKING:
- TeleVideo 990 [R. Belmont, Al Kossow]
This commit is contained in:
arbee
parent
4992a769c6
commit
843bdf4b4a
311
src/mame/drivers/tv990.cpp
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311
src/mame/drivers/tv990.cpp
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@ -0,0 +1,311 @@
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// license:BSD-3-Clause
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// copyright-holders:R. Belmont
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/***************************************************************************
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TeleVideo 990 terminal
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Preliminary driver by R. Belmont
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H/W:
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68000-P16 CPU (clock unknown, above 10 MHz it outruns the AT keyboard controller)
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16C452 dual 16450 (PC/AT standard) UART + PC-compatible Centronics
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AMI MEGA-KBD-H-Q PS/2 keyboard interface
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Televideo ASIC marked "134446-00 TVI1111-0 427"
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3x AS7C256 (32K x 8 SRAM)
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IRQs:
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2 = PS/2 keyboard
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3 = Centronics
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4 = UART 1
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5 = UART 0
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6 = VBL (9003b is status, write 3 to 9003b to reset
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Video modes include 80 or 132 wide by 24, 25, 42, 43, 48, or 49 lines high plus an
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optional status bar
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Modes include TeleVideo 990, 950, and 955, Wyse WY-60, WY-150/120/50+/50, ANSI,
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DEC VT320/220, VT100/52, SCO Console, and PC TERM.
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ASIC registers:
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0x01 = possibly width (80 written at startup)
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0x09 = possibly height (50 written at startup; 49 + the status bar)
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0x16 = cursor X position
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Status bar is out of the way of used VRAM at offset 0x36b0.
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****************************************************************************/
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#include "emu.h"
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#include "cpu/m68000/m68000.h"
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#include "machine/ins8250.h"
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#include "machine/at_keybc.h"
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#include "bus/rs232/rs232.h"
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#include "bus/pc_kbd/pc_kbdc.h"
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#include "bus/pc_kbd/keyboards.h"
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#define UART0_TAG "ns16450_0"
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#define UART1_TAG "ns16450_1"
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#define RS232A_TAG "rs232a"
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#define RS232B_TAG "rs232b"
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class tv990_state : public driver_device
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{
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public:
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tv990_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu"),
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m_vram(*this, "vram"),
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m_fontram(*this, "fontram"),
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m_uart0(*this, UART0_TAG),
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m_uart1(*this, UART1_TAG),
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m_keybc(*this, "keybc")
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{
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}
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required_device<m68000_device> m_maincpu;
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required_shared_ptr<UINT16> m_vram;
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required_shared_ptr<UINT16> m_fontram;
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required_device<ns16450_device> m_uart0, m_uart1;
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required_device<at_keyboard_controller_device> m_keybc;
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virtual void machine_reset() override;
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UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
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DECLARE_READ16_MEMBER(tvi1111_r);
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DECLARE_WRITE16_MEMBER(tvi1111_w);
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DECLARE_READ16_MEMBER(keyb_r);
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DECLARE_WRITE16_MEMBER(keyb_w);
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WRITE_LINE_MEMBER(keybc_irq);
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WRITE_LINE_MEMBER(uart0_irq);
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WRITE_LINE_MEMBER(uart1_irq);
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private:
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UINT16 tvi1111_regs[0xff/2];
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};
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WRITE_LINE_MEMBER(tv990_state::keybc_irq)
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{
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m_maincpu->set_input_line(M68K_IRQ_2, state);
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}
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WRITE_LINE_MEMBER(tv990_state::uart0_irq)
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{
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m_maincpu->set_input_line(M68K_IRQ_5, state);
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}
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WRITE_LINE_MEMBER(tv990_state::uart1_irq)
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{
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m_maincpu->set_input_line(M68K_IRQ_4, state);
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}
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READ16_MEMBER(tv990_state::tvi1111_r)
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{
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if (offset == (0x32/2))
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{
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tvi1111_regs[offset] |= 8; // loop at 109ca wants this set
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}
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return tvi1111_regs[offset];
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}
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WRITE16_MEMBER(tv990_state::tvi1111_w)
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{
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#if 0
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//if ((offset != 0x50) && (offset != 0x68) && (offset != 0x1d))
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{
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if (mem_mask == 0x00ff)
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{
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printf("%x (%d) to ASIC @ %x (mask %04x)\n", data & 0xff, data & 0xff, offset, mem_mask);
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}
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else if (mem_mask == 0xff00)
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{
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printf("%x (%d) to ASIC @ %x (mask %04x)\n", data & 0xff, data & 0xff, offset, mem_mask);
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}
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else
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{
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printf("%x (%d) to ASIC @ %x (mask %04x)\n", data, data, offset, mem_mask);
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}
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}
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#endif
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COMBINE_DATA(&tvi1111_regs[offset]);
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}
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UINT32 tv990_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
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{
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UINT32 *scanline;
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int x, y;
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UINT8 pixels, pixels2;
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static const UINT32 palette[2] = { 0, 0xffffff };
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static const UINT32 invpalette[2] = { 0xffffff, 0 };
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UINT16 *vram = (UINT16 *)m_vram.target();
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UINT8 *fontram = (UINT8 *)m_fontram.target();
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UINT16 *curchar;
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UINT8 *fontptr;
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for (y = 0; y < 50; y++)
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{
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if (y == 49)
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{
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curchar = &vram[14000/2];
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}
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else
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{
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curchar = &vram[80 * y];
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}
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for (x = 0; x < 80; x++)
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{
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fontptr = (UINT8 *)&fontram[((curchar[x]>>8) & 0xff) * 64];
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for (int chary = 0; chary < 16; chary++)
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{
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scanline = &bitmap.pix32((y*16)+chary, (x*16));
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pixels = *fontptr++;
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pixels2 = *fontptr++;
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if (curchar[x] & 0x4) // inverse video?
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{
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*scanline++ = invpalette[(pixels>>7)&1];
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*scanline++ = invpalette[(pixels2>>7)&1];
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*scanline++ = invpalette[(pixels>>6)&1];
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*scanline++ = invpalette[(pixels2>>6)&1];
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*scanline++ = invpalette[(pixels>>5)&1];
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*scanline++ = invpalette[(pixels2>>5)&1];
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*scanline++ = invpalette[(pixels>>4)&1];
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*scanline++ = invpalette[(pixels2>>4)&1];
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*scanline++ = invpalette[(pixels>>3)&1];
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*scanline++ = invpalette[(pixels2>>3)&1];
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*scanline++ = invpalette[(pixels>>2)&1];
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*scanline++ = invpalette[(pixels2>>2)&1];
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*scanline++ = invpalette[(pixels>>1)&1];
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*scanline++ = invpalette[(pixels2>>1)&1];
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*scanline++ = invpalette[(pixels&1)];
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*scanline++ = invpalette[(pixels2&1)];
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}
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else
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{
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*scanline++ = palette[(pixels>>7)&1];
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*scanline++ = palette[(pixels2>>7)&1];
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*scanline++ = palette[(pixels>>6)&1];
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*scanline++ = palette[(pixels2>>6)&1];
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*scanline++ = palette[(pixels>>5)&1];
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*scanline++ = palette[(pixels2>>5)&1];
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*scanline++ = palette[(pixels>>4)&1];
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*scanline++ = palette[(pixels2>>4)&1];
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*scanline++ = palette[(pixels>>3)&1];
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*scanline++ = palette[(pixels2>>3)&1];
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*scanline++ = palette[(pixels>>2)&1];
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*scanline++ = palette[(pixels2>>2)&1];
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*scanline++ = palette[(pixels>>1)&1];
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*scanline++ = palette[(pixels2>>1)&1];
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*scanline++ = palette[(pixels&1)];
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*scanline++ = palette[(pixels2&1)];
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}
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}
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}
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}
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return 0;
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}
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// 2ac = test
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READ16_MEMBER(tv990_state::keyb_r)
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{
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UINT8 rv = 0;
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if (offset == 0)
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{
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rv = m_keybc->data_r(space, 0);
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}
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else
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{
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rv = m_keybc->status_r(space, 0);
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}
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return rv;
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}
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WRITE16_MEMBER(tv990_state::keyb_w)
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{
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if (offset == 0)
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{
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m_keybc->data_w(space, 0, data);
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}
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else
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{
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m_keybc->command_w(space, 0, data);
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}
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}
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static ADDRESS_MAP_START(tv990_mem, AS_PROGRAM, 16, tv990_state)
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AM_RANGE(0x000000, 0x01ffff) AM_ROM AM_REGION("maincpu", 0)
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AM_RANGE(0x060000, 0x063fff) AM_RAM AM_SHARE("vram") // character/attribute RAM
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AM_RANGE(0X080000, 0X087fff) AM_RAM AM_SHARE("fontram") // font RAM
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AM_RANGE(0x090000, 0x0900ff) AM_READWRITE(tvi1111_r, tvi1111_w)
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AM_RANGE(0x0a0000, 0x0a000f) AM_DEVREADWRITE8(UART0_TAG, ns16450_device, ins8250_r, ins8250_w, 0x00ff)
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AM_RANGE(0x0a0010, 0x0a001f) AM_DEVREADWRITE8(UART1_TAG, ns16450_device, ins8250_r, ins8250_w, 0x00ff)
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AM_RANGE(0x0b0000, 0x0b0003) AM_READWRITE(keyb_r, keyb_w)
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AM_RANGE(0x0c0000, 0x0c7fff) AM_RAM // work RAM
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ADDRESS_MAP_END
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/* Input ports */
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static INPUT_PORTS_START( tv990 )
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INPUT_PORTS_END
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void tv990_state::machine_reset()
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{
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}
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static MACHINE_CONFIG_START( tv990, tv990_state )
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/* basic machine hardware */
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MCFG_CPU_ADD("maincpu", M68000, XTAL_10MHz) // real speed unclear, this is as fast as you can go without outrunning the AT keyboard controller, but real 990 uses an HLE reproduction
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MCFG_CPU_PROGRAM_MAP(tv990_mem)
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MCFG_CPU_VBLANK_INT_DRIVER("screen", tv990_state, irq6_line_hold)
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MCFG_SCREEN_ADD("screen", RASTER)
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MCFG_SCREEN_UPDATE_DRIVER(tv990_state, screen_update)
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MCFG_SCREEN_SIZE(132*16, 50*16)
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MCFG_SCREEN_VISIBLE_AREA(0, (80*16)-1, 0, (50*16)-1)
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MCFG_SCREEN_REFRESH_RATE(60)
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MCFG_DEVICE_ADD( UART0_TAG, NS16450, XTAL_1_8432MHz )
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MCFG_INS8250_OUT_TX_CB(DEVWRITELINE(RS232A_TAG, rs232_port_device, write_txd))
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MCFG_INS8250_OUT_INT_CB(WRITELINE(tv990_state, uart0_irq))
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MCFG_DEVICE_ADD( UART1_TAG, NS16450, XTAL_1_8432MHz )
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MCFG_INS8250_OUT_TX_CB(DEVWRITELINE(RS232B_TAG, rs232_port_device, write_txd))
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MCFG_INS8250_OUT_INT_CB(WRITELINE(tv990_state, uart0_irq))
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MCFG_RS232_PORT_ADD(RS232A_TAG, default_rs232_devices, nullptr)
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MCFG_RS232_RXD_HANDLER(DEVWRITELINE(UART0_TAG, ns16450_device, rx_w))
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MCFG_RS232_DCD_HANDLER(DEVWRITELINE(UART0_TAG, ns16450_device, dcd_w))
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MCFG_RS232_CTS_HANDLER(DEVWRITELINE(UART0_TAG, ns16450_device, cts_w))
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MCFG_RS232_PORT_ADD(RS232B_TAG, default_rs232_devices, nullptr)
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MCFG_RS232_RXD_HANDLER(DEVWRITELINE(UART1_TAG, ns16450_device, rx_w))
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MCFG_RS232_DCD_HANDLER(DEVWRITELINE(UART1_TAG, ns16450_device, dcd_w))
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MCFG_RS232_CTS_HANDLER(DEVWRITELINE(UART1_TAG, ns16450_device, cts_w))
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MCFG_DEVICE_ADD("keybc", AT_KEYBOARD_CONTROLLER, XTAL_12MHz)
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MCFG_AT_KEYBOARD_CONTROLLER_KEYBOARD_CLOCK_CB(DEVWRITELINE("pc_kbdc", pc_kbdc_device, clock_write_from_mb))
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MCFG_AT_KEYBOARD_CONTROLLER_KEYBOARD_DATA_CB(DEVWRITELINE("pc_kbdc", pc_kbdc_device, data_write_from_mb))
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MCFG_AT_KEYBOARD_CONTROLLER_INPUT_BUFFER_FULL_CB(WRITELINE(tv990_state, keybc_irq))
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MCFG_DEVICE_ADD("pc_kbdc", PC_KBDC, 0)
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MCFG_PC_KBDC_OUT_CLOCK_CB(DEVWRITELINE("keybc", at_keyboard_controller_device, keyboard_clock_w))
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MCFG_PC_KBDC_OUT_DATA_CB(DEVWRITELINE("keybc", at_keyboard_controller_device, keyboard_data_w))
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MCFG_PC_KBDC_SLOT_ADD("pc_kbdc", "kbd", pc_at_keyboards, STR_KBD_MICROSOFT_NATURAL)
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MACHINE_CONFIG_END
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/* ROM definition */
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ROM_START( tv990 )
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ROM_REGION( 0x20000, "maincpu", 0 )
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ROM_LOAD16_BYTE( "180003-89_u3.bin", 0x000000, 0x010000, CRC(0465fc55) SHA1(b8874ce54bf2bf4f77664194d2f23c0e4e6ccbe9) )
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ROM_LOAD16_BYTE( "180003-90_u4.bin", 0x000001, 0x010000, CRC(fad7d77d) SHA1(f1114a4a07c8b4ffa0323a2e7ce03d82a386f7d3) )
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ROM_END
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/* Driver */
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COMP( 1992, tv990, 0, 0, tv990, tv990, driver_device, 0, "TeleVideo", "TeleVideo 990", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
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@ -35722,6 +35722,9 @@ tutor // 1983? Tomy Tutor
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@source:tv950.cpp
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tv950 //
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@source:tv990.cpp
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tv990 // 1992? Televideo
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@source:tvc.cpp
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tvc64 //
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tvc64p //
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@ -618,6 +618,7 @@ ts816.cpp
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tsispch.cpp
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tutor.cpp
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tv950.cpp
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tv990.cpp
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tvc.cpp
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tvgame.cpp
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tx0.cpp
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