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Diffstat (limited to 'src/mess/drivers/dvk_kcgd.c')
-rw-r--r--src/mess/drivers/dvk_kcgd.c384
1 files changed, 0 insertions, 384 deletions
diff --git a/src/mess/drivers/dvk_kcgd.c b/src/mess/drivers/dvk_kcgd.c
deleted file mode 100644
index 2903a402680..00000000000
--- a/src/mess/drivers/dvk_kcgd.c
+++ /dev/null
@@ -1,384 +0,0 @@
-/***************************************************************************
-
- KCGD (Kontroller Cvetnogo Graficheskogo Displeya = Colour Graphics
- Display Controller), a replacement for KSM (dvk_ksm.c) in later
- models of DVK desktops.
-
- MPI (Q-Bus clone) board. Interfaces with MS7004 (DEC LK201 workalike)
- keyboard, mouse, and monochrome or color CRT.
-
- To do:
- - K1801VM2 CPU core (interrupts and EVNT pin, full EIS set, other insns)
- - Everything else :-)
-
-****************************************************************************/
-
-#include "emu.h"
-
-#include "bus/rs232/rs232.h"
-#include "cpu/t11/t11.h"
-#include "machine/clock.h"
-#include "machine/ms7004.h"
-
-#define KCGD_TOTAL_HORZ 1000 // XXX verify
-#define KCGD_DISP_HORZ 800
-#define KCGD_HORZ_START 200 // XXX verify
-
-#define KCGD_TOTAL_VERT 600 // XXX verify
-#define KCGD_DISP_VERT 480
-#define KCGD_VERT_START 100 // XXX verify
-
-#define KCGD_STATUS_PAGE 0
-#define KCGD_STATUS_INTERLACE 1
-#define KCGD_STATUS_TIMER_INT 5
-#define KCGD_STATUS_MODE_INT 6
-#define KCGD_STATUS_MODE_LAST 7
-#define KCGD_STATUS_TIMER_VAL 15
-
-#define KCGD_PAGE_0 015574
-#define KCGD_PAGE_1 005574
-
-#define VERBOSE_DBG 1 /* general debug messages */
-
-#define DBG_LOG(N,M,A) \
- do { \
- if(VERBOSE_DBG>=N) \
- { \
- if( M ) \
- logerror("%11.6f at %s: %-24s",machine().time().as_double(),machine().describe_context(),(char*)M ); \
- logerror A; \
- } \
- } while (0)
-
-
-class kcgd_state : public driver_device
-{
-public:
- kcgd_state(const machine_config &mconfig, device_type type, const char *tag) :
- driver_device(mconfig, type, tag),
- m_maincpu(*this, "maincpu"),
-// m_ms7004(*this, "ms7004"),
- m_palette(*this, "palette"),
- m_screen(*this, "screen")
- { }
-
- virtual void machine_reset();
- virtual void video_start();
- UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
- TIMER_DEVICE_CALLBACK_MEMBER(scanline_callback);
- DECLARE_PALETTE_INIT(kcgd);
-
- enum
- {
- TIMER_ID_VSYNC_ON,
- TIMER_ID_VSYNC_OFF,
- TIMER_ID_500HZ
- };
- virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
-
- DECLARE_WRITE_LINE_MEMBER(write_keyboard_clock);
- DECLARE_WRITE_LINE_MEMBER(write_line_clock);
-
- DECLARE_READ16_MEMBER(vram_addr_r);
- DECLARE_READ16_MEMBER(vram_data_r);
- DECLARE_READ16_MEMBER(vram_mmap_r);
- DECLARE_WRITE16_MEMBER(vram_addr_w);
- DECLARE_WRITE16_MEMBER(vram_data_w);
- DECLARE_WRITE16_MEMBER(vram_mmap_w);
- DECLARE_READ16_MEMBER(status_r);
- DECLARE_WRITE16_MEMBER(status_w);
- DECLARE_READ8_MEMBER(palette_index_r);
- DECLARE_READ8_MEMBER(palette_data_r);
- DECLARE_WRITE8_MEMBER(palette_index_w);
- DECLARE_WRITE8_MEMBER(palette_data_w);
-
- emu_timer *m_vsync_on_timer;
- emu_timer *m_vsync_off_timer;
- emu_timer *m_500hz_timer;
-
-private:
- void draw_scanline(UINT16 *p, UINT16 offset);
- rectangle m_tmpclip;
- bitmap_ind16 m_tmpbmp;
-
- struct {
- UINT16 status; // 167770
- UINT8 control; // 167772
- int palette_index, vram_addr;
- UINT8 palette[16];
- } m_video;
- UINT32 *m_videoram;
-
-protected:
- required_device<cpu_device> m_maincpu;
-// required_device<ms7004_device> m_ms7004;
- required_device<palette_device> m_palette;
- required_device<screen_device> m_screen;
-};
-
-static ADDRESS_MAP_START( kcgd_mem, AS_PROGRAM, 16, kcgd_state )
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE (0000000, 0077777) AM_READWRITE(vram_mmap_r, vram_mmap_w)
- AM_RANGE (0100000, 0157777) AM_ROM
- AM_RANGE (0160000, 0160001) AM_MIRROR(03774) AM_READWRITE(vram_addr_r, vram_addr_w)
- AM_RANGE (0160002, 0160003) AM_MIRROR(03774) AM_READWRITE(vram_data_r, vram_data_w)
- AM_RANGE (0167770, 0167771) AM_READWRITE(status_r, status_w)
- AM_RANGE (0167772, 0167773) AM_READWRITE8(palette_index_r, palette_index_w, 0x00ff) // reads always return 0
- AM_RANGE (0167772, 0167773) AM_READWRITE8(palette_data_r, palette_data_w, 0xff00)
-// AM_RANGE (0176560, 0176567) AM_RAM // USART2 -- host
-// AM_RANGE (0177560, 0177567) AM_RAM // USART3 -- keyboard
-ADDRESS_MAP_END
-
-void kcgd_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
-{
- switch (id)
- {
-/*
- case TIMER_ID_VSYNC_ON:
- m_maincpu->set_input_line(INPUT_LINE_EVNT, ASSERT_LINE);
- break;
-
- case TIMER_ID_VSYNC_OFF:
- m_maincpu->set_input_line(INPUT_LINE_EVNT, CLEAR_LINE);
- break;
-*/
- case TIMER_ID_500HZ:
- m_video.status ^= (1 << KCGD_STATUS_TIMER_VAL);
- break;
- }
-}
-
-void kcgd_state::machine_reset()
-{
- memset(&m_video, 0, sizeof(m_video));
-}
-
-void kcgd_state::video_start()
-{
-// screen_device *screen = machine().device<screen_device>("screen");
-
- // 64 kwords, word size is 17 bits
- m_videoram = auto_alloc_array(machine(), UINT32, 65536);
-
- m_tmpclip = rectangle(0, KCGD_DISP_HORZ-1, 0, KCGD_DISP_VERT-1);
- m_tmpbmp.allocate(KCGD_DISP_HORZ, KCGD_DISP_VERT);
-/*
- m_vsync_on_timer = timer_alloc(TIMER_ID_VSYNC_ON);
- m_vsync_on_timer->adjust(screen->time_until_pos(0, 0), 0, screen->frame_period());
-
- m_vsync_off_timer = timer_alloc(TIMER_ID_VSYNC_OFF);
- m_vsync_off_timer->adjust(screen->time_until_pos(16, 0), 0, screen->frame_period());
-*/
- m_500hz_timer = timer_alloc(TIMER_ID_500HZ);
- m_500hz_timer->adjust(attotime::from_hz(500), 0, attotime::from_hz(500));
-}
-
-PALETTE_INIT_MEMBER(kcgd_state, kcgd)
-{
- for (int i = 0; i < 16; i++)
- {
- palette.set_pen_color(i, i?i:255, i?i:255, i?i:255);
- }
-}
-
-/*
- VRAM is 128K and is word-addressable, so address fits into 16 bits.
- Low 32K of VRAM are not used to store pixel data -- XXX.
-*/
-WRITE16_MEMBER(kcgd_state::vram_addr_w)
-{
- DBG_LOG(3,"VRAM WA", ("%06o\n", data));
- m_video.vram_addr = data;
-}
-
-READ16_MEMBER(kcgd_state::vram_addr_r)
-{
- DBG_LOG(3,"VRAM RA", ("\n"));
- return m_video.vram_addr;
-}
-
-WRITE16_MEMBER(kcgd_state::vram_data_w)
-{
- DBG_LOG(1,"VRAM W2", ("%06o <- %04XH\n", m_video.vram_addr, data));
- m_videoram[m_video.vram_addr] = data | (BIT(m_video.control, 7) << 16);
-}
-
-READ16_MEMBER(kcgd_state::vram_data_r)
-{
- DBG_LOG(2,"VRAM R2", ("%06o\n", m_video.vram_addr));
- m_video.status = (m_video.status & 0xff7f) | (BIT(m_videoram[m_video.vram_addr], 16) << 7);
- return (UINT16) (m_videoram[m_video.vram_addr] & 0xffff);
-}
-
-WRITE16_MEMBER(kcgd_state::vram_mmap_w)
-{
- DBG_LOG(3,"VRAM W1", ("%06o <- %04XH\n", offset, data));
- m_videoram[offset] = data | (BIT(m_video.control, 7) << 16);
-}
-
-READ16_MEMBER(kcgd_state::vram_mmap_r)
-{
- DBG_LOG(3,"VRAM R1", ("%06o\n", offset));
- return (UINT16) (m_videoram[offset] & 0xffff);
-}
-
-WRITE16_MEMBER(kcgd_state::status_w)
-{
- DBG_LOG(1,"Status W", ("data %04XH (useful %02XH)\n", data, data & 0x63));
- // bits 7 and 15 are read-only
- m_video.status = (m_video.status & 0x8080) | (data & 0x7f7f);
-}
-
-READ16_MEMBER(kcgd_state::status_r)
-{
- UINT16 data = m_video.status ^ (BIT(m_video.control, 6) << 7);
- DBG_LOG(1,"Status R", ("data %04X index %d\n", data, m_video.palette_index));
- return data;
-}
-
-WRITE8_MEMBER(kcgd_state::palette_index_w)
-{
- m_video.control = data;
- m_video.palette_index = ((data >> 2) & 15);
- DBG_LOG(1,"Palette index, Control W", ("data %02XH index %d\n", data, m_video.palette_index));
-}
-
-WRITE8_MEMBER(kcgd_state::palette_data_w)
-{
- DBG_LOG(1,"Palette data W", ("data %02XH index %d\n", data, m_video.palette_index));
- m_video.palette[m_video.palette_index] = data;
- m_palette->set_pen_color(m_video.palette_index,
- 85*(data & 3), 85*((data >> 2) & 3), 85*((data >> 4) & 3));
-}
-
-READ8_MEMBER(kcgd_state::palette_index_r)
-{
- return 0;
-}
-
-READ8_MEMBER(kcgd_state::palette_data_r)
-{
- DBG_LOG(1,"Palette data R", ("index %d\n", m_video.palette_index));
- return m_video.palette[m_video.palette_index];
-}
-
-/*
- Raster sizes are:
- - 800(400)x480 in hires(lores) 60 Hz interlaced mode
- - 800(400)x240 in hires(lores) 30 Hz progressive mode
-
- Video memory is 17 bits wide (bit 16 indicates hi/lo res mode for each word,
- host writes it separately (via bit 7 in 167772).
-*/
-
-void kcgd_state::draw_scanline(UINT16 *p, UINT16 offset)
-{
- int i;
-
- for ( i = 0; i < 100; i++ )
- {
- UINT32 data = m_videoram[ offset++ ];
- if (BIT(data, 16)) {
- *p = ( data >> 12) & 0x0F; p++;
- *p = ( data >> 12) & 0x0F; p++;
- *p = ( data >> 8 ) & 0x0F; p++;
- *p = ( data >> 8 ) & 0x0F; p++;
- *p = ( data >> 4 ) & 0x0F; p++;
- *p = ( data >> 4 ) & 0x0F; p++;
- *p = data & 0x0F; p++;
- *p = data & 0x0F; p++;
- } else {
- *p = 5*(( data >> 14) & 0x03); p++;
- *p = 5*(( data >> 12) & 0x03); p++;
- *p = 5*(( data >> 10) & 0x03); p++;
- *p = 5*(( data >> 8 ) & 0x03); p++;
- *p = 5*(( data >> 6 ) & 0x03); p++;
- *p = 5*(( data >> 4 ) & 0x03); p++;
- *p = 5*(( data >> 2 ) & 0x03); p++;
- *p = 5*( data & 0x03); p++;
- }
- }
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(kcgd_state::scanline_callback)
-{
- UINT16 y = m_screen->vpos(), offset;
-
- if (y < KCGD_VERT_START) return;
- y -= KCGD_VERT_START;
- if (y >= KCGD_DISP_VERT) return;
-
- offset = BIT(m_video.status, KCGD_STATUS_PAGE) ? (KCGD_PAGE_1 >> 1) : (KCGD_PAGE_0 >> 1);
-
- DBG_LOG(2,"scanline_cb", ("frame %" I64FMT "d y %.3d page %d offset %04X *offset %04X\n",
- m_screen->frame_number(), BIT(m_video.status, KCGD_STATUS_PAGE),
- y, offset + y, m_videoram[offset + y]));
-
- draw_scanline(&m_tmpbmp.pix16(y), m_videoram[offset + (KCGD_DISP_VERT-1) - y]);
-}
-
-UINT32 kcgd_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- copybitmap(bitmap, m_tmpbmp, 0, 0, KCGD_HORZ_START, KCGD_VERT_START, cliprect);
- return 0;
-}
-
-/* F4 Character Displayer */
-static const gfx_layout kcgd_charlayout =
-{
- 8, 10, /* 8x10 pixels */
- 256, /* 256 characters */
- 1, /* 1 bits per pixel */
- { 0 }, /* no bitplanes */
- /* x offsets */
- { 0, 1, 2, 3, 4, 5, 6, 7 },
- /* y offsets */
- { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8 },
- 8*10 /* every char takes 10 bytes */
-};
-
-static GFXDECODE_START( kcgd )
- GFXDECODE_ENTRY("maincpu", 0112236, kcgd_charlayout, 0, 1)
-GFXDECODE_END
-
-static MACHINE_CONFIG_START( kcgd, kcgd_state )
- MCFG_CPU_ADD("maincpu", K1801VM2, XTAL_30_8MHz/4)
- MCFG_CPU_PROGRAM_MAP(kcgd_mem)
- MCFG_T11_INITIAL_MODE(0100000)
-
- MCFG_TIMER_DRIVER_ADD_PERIODIC("scantimer", kcgd_state, scanline_callback, attotime::from_hz(50*28*11)) // XXX verify
- MCFG_TIMER_START_DELAY(attotime::from_hz(XTAL_30_8MHz/KCGD_HORZ_START))
-
- MCFG_SCREEN_ADD("screen", RASTER)
- MCFG_SCREEN_UPDATE_DRIVER(kcgd_state, screen_update)
- MCFG_SCREEN_RAW_PARAMS(XTAL_30_8MHz, KCGD_TOTAL_HORZ, KCGD_HORZ_START,
- KCGD_HORZ_START+KCGD_DISP_HORZ, KCGD_TOTAL_VERT, KCGD_VERT_START,
- KCGD_VERT_START+KCGD_DISP_VERT);
-
- MCFG_SCREEN_PALETTE("palette")
- MCFG_PALETTE_ADD("palette", 16)
- MCFG_PALETTE_INIT_OWNER(kcgd_state, kcgd)
-
- MCFG_GFXDECODE_ADD("gfxdecode", "palette", kcgd)
-#if 0
- MCFG_DEVICE_ADD("ms7004", MS7004, 0)
- MCFG_MS7004_TX_HANDLER(DEVWRITELINE("i8251kbd", i8251_device, write_rxd))
-
- MCFG_DEVICE_ADD("keyboard_clock", CLOCK, 4800*16)
- MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(kcgd_state, write_keyboard_clock))
-#endif
-MACHINE_CONFIG_END
-
-ROM_START( dvk_kcgd )
- ROM_REGION16_BE(0x100000,"maincpu", ROMREGION_ERASE00)
- ROM_DEFAULT_BIOS("181")
- ROM_SYSTEM_BIOS(0, "181", "mask 181")
- ROMX_LOAD("kr1801re2-181.bin", 0100000, 020000, CRC(acac124f) SHA1(412c3eb71bece6f791fc5a9d707cf4692fd0b45b), ROM_BIOS(1))
- ROM_SYSTEM_BIOS(1, "182", "mask 182")
- ROMX_LOAD("kr1801re2-182.bin", 0100000, 020000, CRC(3ca2921a) SHA1(389b30c40ed7e41dae71d58c7bff630359a48153), ROM_BIOS(2))
-ROM_END
-
-/* Driver */
-
-/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
-COMP( 1987, dvk_kcgd, 0, 0, kcgd, 0, driver_device, 0, "USSR", "DVK KCGD", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW )