mirror of
https://github.com/holub/mame
synced 2025-04-23 00:39:36 +03:00
ms6102 (Elektronika MS6102.02, text terminal): new skeleton.
This commit is contained in:
Sergey Svishchev
parent
f9705aa35d
commit
fa45685b8a
@ -1898,6 +1898,7 @@ files {
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MAME_DIR .. "src/mame/machine/ms7004.h",
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MAME_DIR .. "src/mame/drivers/mk85.cpp",
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MAME_DIR .. "src/mame/drivers/mk90.cpp",
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MAME_DIR .. "src/mame/drivers/ms6102.cpp",
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}
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createMESSProjects(_target, _subtarget, "elektor")
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@ -161,6 +161,7 @@ enum
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XTAL_15_92MHz = 15920000, /* HP Integral PC */
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XTAL_16MHz = 16000000, /* Extremely common, used on 100's of PCBs */
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XTAL_16_384MHz = 16384000,
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XTAL_16_4MHz = 16400000, /* MS 6102 */
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XTAL_16_5888MHz = 16588800, /* SM 7238 */
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XTAL_16_67MHz = 16670000,
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XTAL_16_777216MHz = 16777216, /* Nintendo Game Boy Advance */
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292
src/mame/drivers/ms6102.cpp
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292
src/mame/drivers/ms6102.cpp
Normal file
@ -0,0 +1,292 @@
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// license:BSD-3-Clause
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// copyright-holders:Sergey Svishchev
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/***************************************************************************
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Elektronika MS6102.02 terminal
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https://goo.gl/photos/xJManS26QTxG1T7M7
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Schematics
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http://sfrolov.livejournal.com/110770.html
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Photos
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To do:
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- why DMA stops after 2nd char on each row?
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- what does second 8275 do?
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- what is the layout of chargen ROM?
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- keyboard (MS7002)
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Chips:
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- DD5 - KR580WM80A (8080 clone) - CPU
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- DD7 - KR580WT57 (8257 clone) - DMAC
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- DD9 - KR1601RR1 (ER2401 clone) - NVRAM
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- DD21 - KR581WA1A (TR6402 clone) - UART
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- DD55, DD56 - KR580WG75 (8275 clone) - CRTC
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- DD59 - KR556RT5 - alternate chargen ROM
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- DD64 - K556RT4 - chargen layout table ROM
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- DD70 - K555RE4 - default chargen ROM
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- DD75 - KR580WI53 (8253 clone) - timer
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- DD76 - KR580WW51A (8251 clone) - UART
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- DD80 - K589IK14 (8214 clone) - interrupt control unit
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****************************************************************************/
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#include "emu.h"
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#include "bus/rs232/rs232.h"
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#include "cpu/i8085/i8085.h"
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#include "machine/ay31015.h"
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#include "machine/clock.h"
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#include "machine/i8214.h"
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#include "machine/i8251.h"
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#include "machine/i8257.h"
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#include "machine/keyboard.h"
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#include "machine/nvram.h"
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#include "machine/pit8253.h"
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#include "video/i8275.h"
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#include "screen.h"
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#define LOG_GENERAL (1U << 0)
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//#define VERBOSE (LOG_GENERAL)
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//#define LOG_OUTPUT_FUNC printf
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#include "logmacro.h"
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class ms6102_state : public driver_device
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{
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public:
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ms6102_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_p_videoram(*this, "videoram")
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, m_maincpu(*this, "maincpu")
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, m_nvram(*this, "nvram")
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, m_pic(*this, "i8214")
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, m_dma8257(*this, "dma8257")
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, m_i8251(*this, "i8251")
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, m_rs232(*this, "rs232")
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, m_screen(*this, "screen")
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, m_palette(*this, "palette")
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, m_p_chargen(*this, "chargen")
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, m_p_charmap(*this, "charmap")
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{ }
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virtual void machine_reset() override;
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virtual void machine_start() override;
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uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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template <unsigned N> DECLARE_WRITE_LINE_MEMBER(irq) { m_pic->r_w(N, state?0:1); }
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I8275_DRAW_CHARACTER_MEMBER(display_pixels);
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DECLARE_WRITE_LINE_MEMBER(hrq_w);
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DECLARE_WRITE8_MEMBER(pic_w);
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IRQ_CALLBACK_MEMBER(ms6102_int_ack);
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DECLARE_READ8_MEMBER(memory_read_byte);
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DECLARE_READ8_MEMBER(misc_r);
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DECLARE_READ8_MEMBER(kbd_get);
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void kbd_put(u8 data);
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private:
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bool m_kbd_ready;
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uint8_t m_kbd_data;
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required_shared_ptr<uint8_t> m_p_videoram;
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required_device<i8080_cpu_device> m_maincpu;
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required_device<nvram_device> m_nvram;
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required_device<i8214_device> m_pic;
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required_device<i8257_device> m_dma8257;
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required_device<i8251_device> m_i8251;
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required_device<rs232_port_device> m_rs232;
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required_device<screen_device> m_screen;
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required_device<palette_device> m_palette;
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required_region_ptr<u8> m_p_chargen;
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required_region_ptr<u8> m_p_charmap;
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};
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static ADDRESS_MAP_START(ms6102_mem, AS_PROGRAM, 8, ms6102_state)
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE (0x0000, 0x2fff) AM_ROM
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AM_RANGE (0x3800, 0x3bff) AM_RAM AM_SHARE("nvram")
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AM_RANGE (0xc000, 0xffff) AM_RAM AM_SHARE("videoram")
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ADDRESS_MAP_END
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static ADDRESS_MAP_START(ms6102_io, AS_IO, 8, ms6102_state)
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE (0x00, 0x00) AM_DEVREADWRITE("i8251", i8251_device, data_r, data_w)
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AM_RANGE (0x01, 0x01) AM_DEVREADWRITE("i8251", i8251_device, status_r, control_w)
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AM_RANGE (0x10, 0x18) AM_DEVREADWRITE("dma8257", i8257_device, read, write)
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AM_RANGE (0x20, 0x23) AM_DEVREADWRITE("pit8253", pit8253_device, read, write)
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AM_RANGE (0x30, 0x3f) AM_READ(kbd_get)
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AM_RANGE (0x40, 0x41) AM_DEVREADWRITE("i8275", i8275_device, read, write)
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AM_RANGE (0x50, 0x5f) AM_NOP // video disable?
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AM_RANGE (0x60, 0x6f) AM_WRITE(pic_w)
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AM_RANGE (0x70, 0x7f) AM_READ(misc_r)
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ADDRESS_MAP_END
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static const gfx_layout ms6102_charlayout =
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{
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7, 8,
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RGN_FRAC(1,1),
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1,
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{ 0 },
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{ STEP8(1,1) },
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{ 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 0*8, 1*8, },
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8*8
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};
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static GFXDECODE_START(ms6102)
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GFXDECODE_ENTRY("chargen", 0x0000, ms6102_charlayout, 0, 1)
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GFXDECODE_END
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WRITE_LINE_MEMBER(ms6102_state::hrq_w)
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{
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/* HACK - this should be connected to the HOLD line of 8080 */
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m_maincpu->set_input_line(INPUT_LINE_HALT, state);
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/* HACK - this should be connected to the HLDA line of 8080 */
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m_dma8257->hlda_w(state);
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}
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READ8_MEMBER(ms6102_state::memory_read_byte)
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{
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return m_maincpu->space(AS_PROGRAM).read_byte(offset);
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}
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I8275_DRAW_CHARACTER_MEMBER(ms6102_state::display_pixels)
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{
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int i;
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const rgb_t *palette = m_palette->palette()->entry_list_raw();
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u8 dd64 = m_p_charmap[((linecount >> 1) & 7) + ((charcode >> 2) & 0x18) + ((lineattr & 2) << 4)] ^ 0xff;
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u8 gfx = m_p_chargen[(linecount & 3) + ((dd64 & 1) << 2) + ((charcode & 0x1f) << 3) + ((dd64 & 0xe) << 7)];
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if (lten)
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{
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gfx = 0xff;
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}
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for (i = 0; i < 8; i++)
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{
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bitmap.pix32(y, x + i) = palette[(gfx >> (7 - i)) & 1 ? (hlgt ? 2 : 1) : 0];
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}
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}
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READ8_MEMBER(ms6102_state::misc_r)
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{
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return m_kbd_ready << 6;
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}
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READ8_MEMBER(ms6102_state::kbd_get)
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{
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return m_kbd_data;
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}
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void ms6102_state::kbd_put(u8 data)
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{
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m_kbd_ready = true;
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m_kbd_data = data;
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m_pic->r_w(1, 0);
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}
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WRITE8_MEMBER(ms6102_state::pic_w)
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{
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m_pic->b_w(data & 7);
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m_pic->sgs_w(BIT(data, 3));
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}
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IRQ_CALLBACK_MEMBER(ms6102_state::ms6102_int_ack)
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{
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return 0xc7 | (m_pic->a_r() << 3);
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}
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void ms6102_state::machine_reset()
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{
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m_kbd_ready = false;
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}
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void ms6102_state::machine_start()
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{
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m_pic->etlg_w(1);
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}
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static MACHINE_CONFIG_START( ms6102 )
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MCFG_CPU_ADD("maincpu", I8080, XTAL_18_432MHz / 9)
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MCFG_CPU_PROGRAM_MAP(ms6102_mem)
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MCFG_CPU_IO_MAP(ms6102_io)
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MCFG_I8085A_INTE(DEVWRITELINE("i8214", i8214_device, inte_w))
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MCFG_CPU_IRQ_ACKNOWLEDGE_DRIVER(ms6102_state, ms6102_int_ack)
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MCFG_NVRAM_ADD_0FILL("nvram")
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MCFG_DEVICE_ADD("i8214", I8214, XTAL_18_432MHz / 9)
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MCFG_I8214_INT_CALLBACK(INPUTLINE("maincpu", I8085_INTR_LINE))
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/* video hardware */
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MCFG_SCREEN_ADD("screen", RASTER)
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MCFG_SCREEN_UPDATE_DEVICE("i8275", i8275_device, screen_update)
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MCFG_SCREEN_REFRESH_RATE(50)
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MCFG_SCREEN_SIZE(784, 375)
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MCFG_SCREEN_VISIBLE_AREA(100, 100+80*8-1, 7, 7+24*15-1)
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MCFG_GFXDECODE_ADD("gfxdecode", "palette", ms6102)
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MCFG_PALETTE_ADD_MONOCHROME_HIGHLIGHT("palette")
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MCFG_DEVICE_ADD("dma8257", I8257, XTAL_18_432MHz / 9)
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MCFG_I8257_OUT_HRQ_CB(WRITELINE(ms6102_state, hrq_w))
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MCFG_I8257_IN_MEMR_CB(READ8(ms6102_state, memory_read_byte))
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MCFG_I8257_OUT_IOW_2_CB(DEVWRITE8("i8275", i8275_device, dack_w))
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MCFG_DEVICE_ADD("i8275", I8275, XTAL_16_4MHz / 8) // XXX
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MCFG_I8275_CHARACTER_WIDTH(8)
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MCFG_I8275_DRAW_CHARACTER_CALLBACK_OWNER(ms6102_state, display_pixels)
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MCFG_I8275_DRQ_CALLBACK(DEVWRITELINE("dma8257", i8257_device, dreq2_w))
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MCFG_I8275_IRQ_CALLBACK(WRITELINE(ms6102_state, irq<5>))
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// keyboard
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MCFG_DEVICE_ADD("589wa1", AY31015, 0)
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MCFG_DEVICE_ADD("keyboard", GENERIC_KEYBOARD, 0)
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MCFG_GENERIC_KEYBOARD_CB(PUT(ms6102_state, kbd_put))
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// serial connection to host
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MCFG_DEVICE_ADD("i8251", I8251, 0)
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MCFG_I8251_TXD_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_txd))
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MCFG_I8251_RXRDY_HANDLER(WRITELINE(ms6102_state, irq<3>))
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MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "null_modem")
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MCFG_RS232_RXD_HANDLER(DEVWRITELINE("i8251", i8251_device, write_rxd))
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MCFG_DEVICE_ADD("pit8253", PIT8253, 0)
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MCFG_PIT8253_CLK0(XTAL_16_4MHz / 9)
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MCFG_PIT8253_OUT0_HANDLER(DEVWRITELINE("i8251", i8251_device, write_txc))
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MCFG_PIT8253_CLK1(XTAL_16_4MHz / 9)
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MCFG_PIT8253_OUT1_HANDLER(DEVWRITELINE("i8251", i8251_device, write_rxc))
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MACHINE_CONFIG_END
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ROM_START( ms6102 )
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ROM_REGION(0x3000, "maincpu", ROMREGION_ERASE00)
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ROM_LOAD("MC6102_02_KS573RF2_DD26", 0x0000, 0x0800, CRC(f96ba806) SHA1(60d155b781e97e86d31dc2194ad367030470eeb6))
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ROM_LOAD("MC6102_02_KS573RF2_DD30", 0x0800, 0x0800, CRC(1d69ba62) SHA1(bf7d19400fe606239ce8a057850cf4c63ff4cdb2))
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ROM_LOAD("MC6102_02_KS573RF2_0034", 0x1000, 0x0800, CRC(4bce121a) SHA1(e97c635c2fab70a71a31db3b53284209b5881f2c))
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ROM_LOAD("MC6102_02_KS573RF2_0037", 0x1800, 0x0800, CRC(1b22543f) SHA1(fc6cc54baf3abadca30dfaf39a50cae7fbf601b2))
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ROM_LOAD("MC6102_02_KS573RF2_0045", 0x2000, 0x0800, CRC(fd741cfe) SHA1(153abb57ca4833286811082ff50c7b36136274dc))
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ROM_LOAD("MC6102_02_KS573RF2_DD49", 0x2800, 0x0800, CRC(748f6cee) SHA1(a35e6495ea108824f2f1f9907f5e651174e9cf15))
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ROM_REGION(0x0800, "chargen", ROMREGION_ERASE00)
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ROM_LOAD("MC6102_02_K555RE4_chargen", 0x0000, 0x0800, CRC(b0e3546b) SHA1(25aca264cc64f368ffcefdfd356120a314a44947))
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ROM_REGION(0x0100, "charmap", ROMREGION_ERASE00)
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ROM_LOAD("MC6102_02_K556RT4_D64", 0x0000, 0x0100, CRC(a59fdaa7) SHA1(0851a8b12e838e8f7e5ce840a0262facce303442))
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ROM_END
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/* Driver */
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/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
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COMP( 1984, ms6102, 0, 0, ms6102, 0, ms6102_state, 0, "Elektronika", "MS 6102.02", MACHINE_IS_SKELETON)
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@ -27641,6 +27641,9 @@ mrjong // (c) 1983 Kiwako
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@source:ms0515.cpp
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ms0515 //
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@source:ms6102.cpp
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ms6102 //
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@source:ms32.cpp
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47pie2 // (c) 1994
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47pie2o // (c) 1994
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@ -392,6 +392,7 @@ mpf1.cpp
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mps1230.cpp
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mpz80.cpp
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ms0515.cpp
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ms6102.cpp
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ms9540.cpp
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msbc1.cpp
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mstation.cpp
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Block a user