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-rw-r--r--src/mess/drivers/smc777.c1027
1 files changed, 0 insertions, 1027 deletions
diff --git a/src/mess/drivers/smc777.c b/src/mess/drivers/smc777.c
deleted file mode 100644
index db6e3ec6f14..00000000000
--- a/src/mess/drivers/smc777.c
+++ /dev/null
@@ -1,1027 +0,0 @@
-// license:LGPL-2.1+
-// copyright-holders:Angelo Salese
-/*************************************************************************************
-
- SMC-777 (c) 1983 Sony
-
- driver by Angelo Salese
-
- TODO:
- - no real documentation, the entire driver is just a bunch of educated
- guesses ...
- - ROM/RAM bankswitch, it apparently happens after one instruction prefetching.
- We currently use an hackish implementation until the MAME/MESS framework can
- support that ...
- - keyboard input is very sluggish;
- - cursor stuck in Bird Crash;
- - add mc6845 features;
- - many other missing features;
-
-**************************************************************************************/
-
-#include "emu.h"
-#include "cpu/z80/z80.h"
-#include "sound/sn76496.h"
-#include "sound/beep.h"
-#include "video/mc6845.h"
-#include "machine/wd_fdc.h"
-#include "imagedev/flopdrv.h"
-
-#define MASTER_CLOCK XTAL_4_028MHz
-
-#define mc6845_h_char_total (m_crtc_vreg[0]+1)
-#define mc6845_h_display (m_crtc_vreg[1])
-#define mc6845_h_sync_pos (m_crtc_vreg[2])
-#define mc6845_sync_width (m_crtc_vreg[3])
-#define mc6845_v_char_total (m_crtc_vreg[4]+1)
-#define mc6845_v_total_adj (m_crtc_vreg[5])
-#define mc6845_v_display (m_crtc_vreg[6])
-#define mc6845_v_sync_pos (m_crtc_vreg[7])
-#define mc6845_mode_ctrl (m_crtc_vreg[8])
-#define mc6845_tile_height (m_crtc_vreg[9]+1)
-#define mc6845_cursor_y_start (m_crtc_vreg[0x0a])
-#define mc6845_cursor_y_end (m_crtc_vreg[0x0b])
-#define mc6845_start_addr (((m_crtc_vreg[0x0c]<<8) & 0x3f00) | (m_crtc_vreg[0x0d] & 0xff))
-#define mc6845_cursor_addr (((m_crtc_vreg[0x0e]<<8) & 0x3f00) | (m_crtc_vreg[0x0f] & 0xff))
-#define mc6845_light_pen_addr (((m_crtc_vreg[0x10]<<8) & 0x3f00) | (m_crtc_vreg[0x11] & 0xff))
-#define mc6845_update_addr (((m_crtc_vreg[0x12]<<8) & 0x3f00) | (m_crtc_vreg[0x13] & 0xff))
-
-class smc777_state : public driver_device
-{
-public:
- smc777_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag),
- m_maincpu(*this, "maincpu"),
- m_crtc(*this, "crtc"),
- m_fdc(*this, "fdc"),
- m_floppy0(*this, "fdc:0"),
- m_floppy1(*this, "fdc:1"),
- m_beeper(*this, "beeper"),
- m_gfxdecode(*this, "gfxdecode"),
- m_palette(*this, "palette")
- { }
-
- DECLARE_WRITE8_MEMBER(mc6845_w);
- DECLARE_READ8_MEMBER(vram_r);
- DECLARE_READ8_MEMBER(attr_r);
- DECLARE_READ8_MEMBER(pcg_r);
- DECLARE_WRITE8_MEMBER(vram_w);
- DECLARE_WRITE8_MEMBER(attr_w);
- DECLARE_WRITE8_MEMBER(pcg_w);
- DECLARE_READ8_MEMBER(fbuf_r);
- DECLARE_WRITE8_MEMBER(fbuf_w);
- DECLARE_READ8_MEMBER(key_r);
- DECLARE_WRITE8_MEMBER(key_w);
- DECLARE_WRITE8_MEMBER(border_col_w);
- DECLARE_READ8_MEMBER(system_input_r);
- DECLARE_WRITE8_MEMBER(system_output_w);
- DECLARE_WRITE8_MEMBER(color_mode_w);
- DECLARE_WRITE8_MEMBER(ramdac_w);
- DECLARE_READ8_MEMBER(display_reg_r);
- DECLARE_WRITE8_MEMBER(display_reg_w);
- DECLARE_READ8_MEMBER(smc777_mem_r);
- DECLARE_WRITE8_MEMBER(smc777_mem_w);
- DECLARE_READ8_MEMBER(irq_mask_r);
- DECLARE_WRITE8_MEMBER(irq_mask_w);
- DECLARE_PALETTE_INIT(smc777);
- UINT32 screen_update_smc777(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
- INTERRUPT_GEN_MEMBER(vblank_irq);
- TIMER_DEVICE_CALLBACK_MEMBER(keyboard_callback);
-
- DECLARE_READ8_MEMBER(fdc_r);
- DECLARE_WRITE8_MEMBER(fdc_w);
- DECLARE_READ8_MEMBER(fdc_request_r);
- DECLARE_WRITE8_MEMBER(floppy_select_w);
- DECLARE_WRITE_LINE_MEMBER(fdc_intrq_w);
- DECLARE_WRITE_LINE_MEMBER(fdc_drq_w);
-
-protected:
- virtual void machine_start();
- virtual void machine_reset();
- virtual void video_start();
-
-private:
- required_device<cpu_device> m_maincpu;
- required_device<mc6845_device> m_crtc;
- required_device<mb8876_t> m_fdc;
- required_device<floppy_connector> m_floppy0;
- required_device<floppy_connector> m_floppy1;
- required_device<beep_device> m_beeper;
- required_device<gfxdecode_device> m_gfxdecode;
- required_device<palette_device> m_palette;
-
- UINT8 *m_ipl_rom;
- UINT8 *m_work_ram;
- UINT8 *m_vram;
- UINT8 *m_attr;
- UINT8 *m_gvram;
- UINT8 *m_pcg;
-
- UINT8 m_keyb_press;
- UINT8 m_keyb_press_flag;
- UINT8 m_shift_press_flag;
- UINT8 m_backdrop_pen;
- UINT8 m_display_reg;
- UINT8 m_fdc_irq_flag;
- UINT8 m_fdc_drq_flag;
- UINT8 m_system_data;
- struct { UINT8 r,g,b; } m_pal;
- UINT8 m_raminh,m_raminh_pending_change; //bankswitch
- UINT8 m_raminh_prefetch;
- UINT8 m_irq_mask;
- UINT8 m_pal_mode;
- UINT8 m_keyb_cmd;
- UINT8 m_crtc_vreg[0x20];
- UINT8 m_crtc_addr;
-};
-
-
-/* TODO: correct calculation thru mc6845 regs */
-#define CRTC_MIN_X 24*8
-#define CRTC_MIN_Y 4*8
-
-void smc777_state::video_start()
-{
-}
-
-UINT32 smc777_state::screen_update_smc777(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- int x,y,yi;
- UINT16 count;
- int x_width;
-
-// popmessage("%d %d %d %d",mc6845_v_char_total,mc6845_v_total_adj,mc6845_v_display,mc6845_v_sync_pos);
-
- bitmap.fill(m_palette->pen(m_backdrop_pen), cliprect);
-
- x_width = ((m_display_reg & 0x80) >> 7);
-
- count = 0x0000;
-
- for(yi=0;yi<8;yi++)
- {
- for(y=0;y<200;y+=8)
- {
- for(x=0;x<160;x++)
- {
- UINT16 color;
-
- color = (m_gvram[count] & 0xf0) >> 4;
- /* todo: clean this up! */
- //if(x_width)
- {
- bitmap.pix16(y+yi+CRTC_MIN_Y, x*4+0+CRTC_MIN_X) = m_palette->pen(color);
- bitmap.pix16(y+yi+CRTC_MIN_Y, x*4+1+CRTC_MIN_X) = m_palette->pen(color);
- }
- //else
- //{
- // bitmap.pix16(y+yi+CRTC_MIN_Y, x*2+0+CRTC_MIN_X) = m_palette->pen(color);
- //}
-
- color = (m_gvram[count] & 0x0f) >> 0;
- //if(x_width)
- {
- bitmap.pix16(y+yi+CRTC_MIN_Y, x*4+2+CRTC_MIN_X) = m_palette->pen(color);
- bitmap.pix16(y+yi+CRTC_MIN_Y, x*4+3+CRTC_MIN_X) = m_palette->pen(color);
- }
- //else
- //{
- // bitmap.pix16(y+yi+CRTC_MIN_Y, x*2+1+CRTC_MIN_X) = m_palette->pen(color);
- //}
-
- count++;
-
- }
- }
- count+= 0x60;
- }
-
- count = 0x0000;
-
- for(y=0;y<25;y++)
- {
- for(x=0;x<80/(x_width+1);x++)
- {
- /*
- -x-- ---- blink
- --xx x--- bg color (00 transparent, 01 white, 10 black, 11 complementary to fg color
- ---- -xxx fg color
- */
- int tile = m_vram[count];
- int color = m_attr[count] & 7;
- int bk_color = (m_attr[count] & 0x18) >> 3;
- int blink = m_attr[count] & 0x40;
- int xi;
- int bk_pen;
- //int bk_struct[4] = { -1, 0x10, 0x11, (color & 7) ^ 8 };
-
- bk_pen = -1;
- switch(bk_color & 3)
- {
- case 0: bk_pen = -1; break; //transparent
- case 1: bk_pen = 0x17; break; //white
- case 2: bk_pen = 0x10; break; //black
- case 3: bk_pen = (color ^ 0xf); break; //complementary
- }
-
- if(blink && machine().first_screen()->frame_number() & 0x10) //blinking, used by Dragon's Alphabet
- color = bk_pen;
-
- for(yi=0;yi<8;yi++)
- {
- for(xi=0;xi<8;xi++)
- {
- int pen;
-
- pen = ((m_pcg[tile*8+yi]>>(7-xi)) & 1) ? (color+m_pal_mode) : bk_pen;
-
- if (pen != -1)
- {
- if(x_width)
- {
- bitmap.pix16(y*8+CRTC_MIN_Y+yi, (x*8+xi)*2+0+CRTC_MIN_X) = m_palette->pen(pen);
- bitmap.pix16(y*8+CRTC_MIN_Y+yi, (x*8+xi)*2+1+CRTC_MIN_X) = m_palette->pen(pen);
- }
- else
- bitmap.pix16(y*8+CRTC_MIN_Y+yi, x*8+CRTC_MIN_X+xi) = m_palette->pen(pen);
- }
- }
- }
-
- // draw cursor
- if(mc6845_cursor_addr == count)
- {
- int xc,yc,cursor_on;
-
- cursor_on = 0;
- switch(mc6845_cursor_y_start & 0x60)
- {
- case 0x00: cursor_on = 1; break; //always on
- case 0x20: cursor_on = 0; break; //always off
- case 0x40: if(machine().first_screen()->frame_number() & 0x10) { cursor_on = 1; } break; //fast blink
- case 0x60: if(machine().first_screen()->frame_number() & 0x20) { cursor_on = 1; } break; //slow blink
- }
-
- if(cursor_on)
- {
- for(yc=0;yc<(8-(mc6845_cursor_y_start & 7));yc++)
- {
- for(xc=0;xc<8;xc++)
- {
- if(x_width)
- {
- bitmap.pix16(y*8+CRTC_MIN_Y-yc+7, (x*8+xc)*2+0+CRTC_MIN_X) = m_palette->pen(0x7);
- bitmap.pix16(y*8+CRTC_MIN_Y-yc+7, (x*8+xc)*2+1+CRTC_MIN_X) = m_palette->pen(0x7);
- }
- else
- bitmap.pix16(y*8+CRTC_MIN_Y-yc+7, x*8+CRTC_MIN_X+xc) = m_palette->pen(0x7);
- }
- }
- }
- }
-
- (m_display_reg & 0x80) ? count+=2 : count++;
- }
- }
-
- return 0;
-}
-
-WRITE8_MEMBER(smc777_state::mc6845_w)
-{
- if(offset == 0)
- {
- m_crtc_addr = data;
- m_crtc->address_w(space, 0,data);
- }
- else
- {
- m_crtc_vreg[m_crtc_addr] = data;
- m_crtc->register_w(space, 0,data);
- }
-}
-
-READ8_MEMBER(smc777_state::vram_r)
-{
- UINT16 vram_index;
-
- vram_index = ((offset & 0x0007) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- return m_vram[vram_index];
-}
-
-READ8_MEMBER(smc777_state::attr_r)
-{
- UINT16 vram_index;
-
- vram_index = ((offset & 0x0007) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- return m_attr[vram_index];
-}
-
-READ8_MEMBER(smc777_state::pcg_r)
-{
- UINT16 vram_index;
-
- vram_index = ((offset & 0x0007) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- return m_pcg[vram_index];
-}
-
-WRITE8_MEMBER(smc777_state::vram_w)
-{
- UINT16 vram_index;
-
- vram_index = ((offset & 0x0007) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- m_vram[vram_index] = data;
-}
-
-WRITE8_MEMBER(smc777_state::attr_w)
-{
- UINT16 vram_index;
-
- vram_index = ((offset & 0x0007) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- m_attr[vram_index] = data;
-}
-
-WRITE8_MEMBER(smc777_state::pcg_w)
-{
- UINT16 vram_index;
-
- vram_index = ((offset & 0x0007) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- m_pcg[vram_index] = data;
-
- m_gfxdecode->gfx(0)->mark_dirty(vram_index >> 3);
-}
-
-READ8_MEMBER(smc777_state::fbuf_r)
-{
- UINT16 vram_index;
-
- vram_index = ((offset & 0x007f) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- return m_gvram[vram_index];
-}
-
-WRITE8_MEMBER(smc777_state::fbuf_w)
-{
- UINT16 vram_index;
-
- vram_index = ((offset & 0x00ff) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- m_gvram[vram_index] = data;
-}
-
-READ8_MEMBER( smc777_state::fdc_r )
-{
- return m_fdc->read(space, offset) ^ 0xff;
-}
-
-WRITE8_MEMBER( smc777_state::fdc_w )
-{
- m_fdc->write(space, offset, data ^ 0xff);
-}
-
-READ8_MEMBER( smc777_state::fdc_request_r )
-{
- UINT8 data = 0;
-
- data |= !m_fdc_drq_flag << 6;
- data |= m_fdc_irq_flag << 7;
-
- return data;
-}
-
-WRITE8_MEMBER( smc777_state::floppy_select_w )
-{
- floppy_image_device *floppy = NULL;
-
- // ---- xxxx select floppy drive (yes, 15 of them, A to P)
- switch (data & 0x01)
- {
- case 0: floppy = m_floppy0->get_device(); break;
- case 1: floppy = m_floppy1->get_device(); break;
- }
-
- m_fdc->set_floppy(floppy);
-
- // no idea where the motor on signal is
- if (floppy)
- floppy->mon_w(0);
-
- if(data & 0xf0)
- printf("floppy access %02x\n", data);
-}
-
-WRITE_LINE_MEMBER( smc777_state::fdc_intrq_w )
-{
- m_fdc_irq_flag = state;
-}
-
-WRITE_LINE_MEMBER( smc777_state::fdc_drq_w )
-{
- m_fdc_drq_flag = state;
-}
-
-READ8_MEMBER(smc777_state::key_r)
-{
- /*
- -x-- ---- shift key
- ---- -x-- MCU data ready
- ---- ---x handshake bit?
- */
-
- switch(m_keyb_cmd)
- {
- case 0x00: //poll keyboard input
- {
- if(offset == 0)
- m_keyb_press_flag = 0;
-
- return (offset == 0) ? m_keyb_press : ((m_shift_press_flag << 6) | (m_keyb_press_flag << 2) | (m_keyb_press_flag));
- }
- default:
- {
- //if(offset == 1)
- // printf("Unknown keyboard command %02x read-back\n",m_keyb_cmd);
-
- return (offset == 0) ? 0x00 : (machine().rand() & 0x5);
- }
- }
-
- // never executed
- //return 0x00;
-}
-
-/* TODO: the packet commands strikes me as something I've already seen before, don't remember where however ... */
-WRITE8_MEMBER(smc777_state::key_w)
-{
- if(offset == 1) //keyboard command
- m_keyb_cmd = data;
- else
- {
- // keyboard command param
- }
-}
-
-WRITE8_MEMBER(smc777_state::border_col_w)
-{
- if(data & 0xf0)
- printf("Special border color enabled %02x\n",data);
-
- m_backdrop_pen = data & 0xf;
-}
-
-
-READ8_MEMBER(smc777_state::system_input_r)
-{
- printf("System FF R %02x\n",m_system_data & 0x0f);
-
- switch(m_system_data & 0x0f)
- {
- case 0x00:
- return ((m_raminh & 1) << 4); //unknown bit, Dragon's Alphabet and Bird Crush relies on this for correct colors
- }
-
- return m_system_data;
-}
-
-
-
-WRITE8_MEMBER(smc777_state::system_output_w)
-{
- /*
- ---x 0000 ram inibit signal
- ---x 1001 beep
- all the rest is unknown at current time
- */
- m_system_data = data;
- switch(m_system_data & 0x0f)
- {
- case 0x00:
- m_raminh_pending_change = ((data & 0x10) >> 4) ^ 1;
- m_raminh_prefetch = (UINT8)(space.device().state().state_int(Z80_R)) & 0x7f;
- break;
- case 0x02: printf("Interlace %s\n",data & 0x10 ? "on" : "off"); break;
- case 0x05: m_beeper->set_state(data & 0x10); break;
- default: printf("System FF W %02x\n",data); break;
- }
-}
-
-WRITE8_MEMBER(smc777_state::color_mode_w)
-{
- switch(data & 0x0f)
- {
- case 0x06: m_pal_mode = (data & 0x10) ^ 0x10; break;
- default: printf("Color FF %02x\n",data); break;
- }
-}
-
-WRITE8_MEMBER(smc777_state::ramdac_w)
-{
- UINT8 pal_index;
- pal_index = (offset & 0xf00) >> 8;
-
- if(data & 0x0f)
- printf("RAMdac used with data bits 0-3 set (%02x)\n",data);
-
- switch((offset & 0x3000) >> 12)
- {
- case 0: m_pal.r = (data & 0xf0) >> 4; m_palette->set_pen_color(pal_index, pal4bit(m_pal.r), pal4bit(m_pal.g), pal4bit(m_pal.b)); break;
- case 1: m_pal.g = (data & 0xf0) >> 4; m_palette->set_pen_color(pal_index, pal4bit(m_pal.r), pal4bit(m_pal.g), pal4bit(m_pal.b)); break;
- case 2: m_pal.b = (data & 0xf0) >> 4; m_palette->set_pen_color(pal_index, pal4bit(m_pal.r), pal4bit(m_pal.g), pal4bit(m_pal.b)); break;
- case 3: printf("RAMdac used with gradient index = 3! pal_index = %02x data = %02x\n",pal_index,data); break;
- }
-}
-
-READ8_MEMBER(smc777_state::display_reg_r)
-{
- return m_display_reg;
-}
-
-/* x */
-WRITE8_MEMBER(smc777_state::display_reg_w)
-{
- /*
- x--- ---- width 80 / 40 switch (0 = 640 x 200 1 = 320 x 200)
- ---- -x-- mode select?
- */
-
- m_display_reg = data;
-}
-
-READ8_MEMBER(smc777_state::smc777_mem_r)
-{
- UINT8 z80_r;
-
- if(m_raminh_prefetch != 0xff) //do the bankswitch AFTER that the prefetch instruction is executed (FIXME: this is an hackish implementation)
- {
- z80_r = (UINT8)space.device().state().state_int(Z80_R);
-
- if(z80_r == ((m_raminh_prefetch+2) & 0x7f))
- {
- m_raminh = m_raminh_pending_change;
- m_raminh_prefetch = 0xff;
- }
- }
-
- if(m_raminh == 1 && ((offset & 0xc000) == 0))
- return m_ipl_rom[offset];
-
- return m_work_ram[offset];
-}
-
-WRITE8_MEMBER(smc777_state::smc777_mem_w)
-{
- m_work_ram[offset] = data;
-}
-
-READ8_MEMBER(smc777_state::irq_mask_r)
-{
- return m_irq_mask;
-}
-
-WRITE8_MEMBER(smc777_state::irq_mask_w)
-{
- if(data & 0xfe)
- printf("Irq mask = %02x\n",data & 0xfe);
-
- m_irq_mask = data & 1;
-}
-
-static ADDRESS_MAP_START( smc777_mem, AS_PROGRAM, 8, smc777_state )
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE(0x0000, 0xffff) AM_READWRITE(smc777_mem_r, smc777_mem_w)
-ADDRESS_MAP_END
-
-static ADDRESS_MAP_START( smc777_io, AS_IO, 8, smc777_state )
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE(0x00, 0x07) AM_MIRROR(0xff00) AM_MASK(0xffff) AM_READWRITE(vram_r, vram_w)
- AM_RANGE(0x08, 0x0f) AM_MIRROR(0xff00) AM_MASK(0xffff) AM_READWRITE(attr_r, attr_w)
- AM_RANGE(0x10, 0x17) AM_MIRROR(0xff00) AM_MASK(0xffff) AM_READWRITE(pcg_r, pcg_w)
- AM_RANGE(0x18, 0x19) AM_MIRROR(0xff00) AM_WRITE(mc6845_w)
- AM_RANGE(0x1a, 0x1b) AM_MIRROR(0xff00) AM_READWRITE(key_r, key_w)
- AM_RANGE(0x1c, 0x1c) AM_MIRROR(0xff00) AM_READWRITE(system_input_r, system_output_w)
-// AM_RANGE(0x1d, 0x1d) system and control read, printer strobe write
-// AM_RANGE(0x1e, 0x1f) rs232 irq control
- AM_RANGE(0x20, 0x20) AM_MIRROR(0xff00) AM_READWRITE(display_reg_r, display_reg_w)
- AM_RANGE(0x21, 0x21) AM_MIRROR(0xff00) AM_READWRITE(irq_mask_r, irq_mask_w)
-// AM_RANGE(0x22, 0x22) printer output data
- AM_RANGE(0x23, 0x23) AM_MIRROR(0xff00) AM_WRITE(border_col_w)
-// AM_RANGE(0x24, 0x24) rtc write address
-// AM_RANGE(0x25, 0x25) rtc read
-// AM_RANGE(0x26, 0x26) rs232 #1
-// AM_RANGE(0x28, 0x2c) fdc #2
-// AM_RANGE(0x2d, 0x2f) rs232 #2
- AM_RANGE(0x30, 0x33) AM_MIRROR(0xff00) AM_READWRITE(fdc_r, fdc_w)
- AM_RANGE(0x34, 0x34) AM_MIRROR(0xff00) AM_READWRITE(fdc_request_r, floppy_select_w)
-// AM_RANGE(0x35, 0x37) rs232 #3
-// AM_RANGE(0x38, 0x3b) cache disk unit
-// AM_RANGE(0x3c, 0x3d) rgb superimposer
-// AM_RANGE(0x40, 0x47) ieee-488
-// AM_RANGE(0x48, 0x4f) hdd (winchester)
- AM_RANGE(0x51, 0x51) AM_MIRROR(0xff00) AM_READ_PORT("JOY_1P") AM_WRITE(color_mode_w)
- AM_RANGE(0x52, 0x52) AM_MIRROR(0xff00) AM_MASK(0xffff) AM_WRITE(ramdac_w)
- AM_RANGE(0x53, 0x53) AM_MIRROR(0xff00) AM_DEVWRITE("sn1", sn76489a_device, write)
-// AM_RANGE(0x54, 0x59) vrt controller
-// AM_RANGE(0x5a, 0x5b) ram banking
-// AM_RANGE(0x70, 0x70) auto-start rom
-// AM_RANGE(0x74, 0x74) ieee-488 rom
-// AM_RANGE(0x75, 0x75) vrt controller rom
-// AM_RANGE(0x7e, 0x7f) kanji rom
- AM_RANGE(0x80, 0xff) AM_MIRROR(0xff00) AM_MASK(0xffff) AM_READWRITE(fbuf_r, fbuf_w)
-ADDRESS_MAP_END
-
-/* Input ports */
-static INPUT_PORTS_START( smc777 )
- PORT_START("key0") //0x00-0x07
- PORT_BIT (0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
- PORT_BIT (0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
- PORT_BIT (0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD))
- PORT_BIT (0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
- PORT_BIT (0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
- PORT_BIT (0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
- PORT_BIT (0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
- PORT_BIT (0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
-
- PORT_START("key1") //0x08-0x0f
- PORT_BIT (0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
- PORT_BIT (0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
- PORT_BIT (0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("/ PAD") PORT_CODE(KEYCODE_SLASH_PAD)
- PORT_BIT (0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("* PAD") PORT_CODE(KEYCODE_ASTERISK)
- PORT_BIT (0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("- PAD") PORT_CODE(KEYCODE_MINUS_PAD)
- PORT_BIT (0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("+ PAD") PORT_CODE(KEYCODE_PLUS_PAD)
- PORT_BIT (0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ENTER PAD") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(13)
- PORT_BIT (0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(". PAD") PORT_CODE(KEYCODE_DEL_PAD)
-
- PORT_START("key2") //0x10-0x17
- PORT_BIT (0x01, IP_ACTIVE_HIGH,IPT_UNUSED) // PORT_NAME("@") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@')
- PORT_BIT (0x02, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A')
- PORT_BIT (0x04, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B')
- PORT_BIT (0x08, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C')
- PORT_BIT (0x10, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D')
- PORT_BIT (0x20, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E')
- PORT_BIT (0x40, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F')
- PORT_BIT (0x80, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G')
-
- PORT_START("key3") //0x18-0x1f
- PORT_BIT (0x01, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H')
- PORT_BIT (0x02, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I')
- PORT_BIT (0x04, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J')
- PORT_BIT (0x08, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K')
- PORT_BIT (0x10, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L')
- PORT_BIT (0x20, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M')
- PORT_BIT (0x40, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N')
- PORT_BIT (0x80, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O')
-
- PORT_START("key4") //0x20-0x27
- PORT_BIT (0x01, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P')
- PORT_BIT (0x02, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q')
- PORT_BIT (0x04, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R')
- PORT_BIT (0x08, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S')
- PORT_BIT (0x10, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T')
- PORT_BIT (0x20, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U')
- PORT_BIT (0x40, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V')
- PORT_BIT (0x80, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W')
-
- PORT_START("key5") //0x28-0x2f
- PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X')
- PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y')
- PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z')
- PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0-1") /* TODO: labels */
- PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0-2")
- PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1-1")
- PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1-2")
-
- PORT_START("key6") //0x30-0x37
- PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0')
- PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1')
- PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2')
- PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3')
- PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4')
- PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5')
- PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6')
- PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7')
-
- PORT_START("key7") //0x38-0x3f
- PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8')
- PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9')
- PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2-1") /* TODO: labels */
- PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2-3")
- PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("3-1")
- PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("3-2")
- PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("3-3")
-
- PORT_START("key8") //0x40-0x47
- PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(27)
- PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
- PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("BACKSPACE") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
- PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR(9)
- PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("ESC") PORT_CHAR(27)
- PORT_BIT(0x20, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("INS") PORT_CODE(KEYCODE_INSERT)
- PORT_BIT(0x40, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL)
- /* TODO: control inputs */
-
- PORT_START("key9") //0x40-0x47
- /* TODO: cursor inputs */
- PORT_BIT(0x01, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("CURSOR UP") PORT_CODE(KEYCODE_UP)
- PORT_BIT(0x02, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("CURSOR DOWN") PORT_CODE(KEYCODE_DOWN)
- PORT_BIT(0x04, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("CURSOR LEFT") PORT_CODE(KEYCODE_LEFT)
- PORT_BIT(0x08, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("CURSOR RIGHT") PORT_CODE(KEYCODE_RIGHT)
- PORT_BIT(0x10, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("HOME") PORT_CODE(KEYCODE_HOME)
- PORT_BIT(0x20, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("END") PORT_CODE(KEYCODE_END)
- PORT_BIT(0x40, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("PGUP") PORT_CODE(KEYCODE_PGUP)
- PORT_BIT(0x80, IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("PGDOWN") PORT_CODE(KEYCODE_PGDN)
-
- PORT_START("keya") //0x48-0x4f
- PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1)
- PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2)
- PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3)
- PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4)
- PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5)
-
- PORT_START("key_mod")
- PORT_BIT (0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
- PORT_BIT (0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("KANA SHIFT") PORT_CODE(KEYCODE_LALT)
-
-
- #if 0
- PORT_BIT(0x00002000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-')
-
- PORT_BIT(0x04000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(":") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':')
- PORT_BIT(0x08000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(";") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';')
- PORT_BIT(0x08000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('[')
- PORT_BIT(0x20000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR(']')
- PORT_BIT(0x40000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("^") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('^')
- PORT_BIT(0x80000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("_")
- #endif
-
- PORT_START("JOY_1P")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x80, IP_ACTIVE_HIGH,IPT_UNKNOWN ) //status?
-INPUT_PORTS_END
-
-/*
- Keyboard data:
- kana lock |= 0x80
- numpad 0 to 9 = 0x30 - 0x39
- / pad = 0x2f
- * pad = 0x2a
- - pad = 0x2d
- + pad = 0x2b
- ENTER pad = 0x0d
- . pad = 0x2e
- enter = 0x0d
- space = 0x20
- backspace = 0x08
- CTRL (TAB?) = 0x09
- cursor up = 0x17
- cursor down = 0x1c
- cursor left = 0x16
- cursor right = 0x19
- 0 to 9 -> 0x30 to 0x39
- S + 0 = 0x29
- S + 1 = 0x21
- S + 2 = 0x40
- S + 3 = 0x23
- S + 4 = 0x24
- S + 5 = 0x25
- S + 6 = 0x5e
- S + 7 = 0x26
- S + 8 = 0x2a
- S + 9 = 0x28
- F1 = 0x01 / 0x15
- F2 = 0x02 / 0x18
- F3 = 0x04 / 0x12
- F4 = 0x06 / 0x05
- F5 = 0x0b / 0x03
- ESC = 0x1b
- INS = 0x0f
- DEL = 0x11
- PG UP = 0x12
- PG DOWN = 0x03
- HOME = 0x14
- END = 0x0e
- ' = 0x2d / 0x5f
- "P" row 1 ] = 0x5d / 0x7d
- "P" row 2 ' / ~ = 0x60 / 0x7e
- "L" row 1 ; / : = 0x3b / 0x3a
- "L" row 2 = (unused)
- "L" row 3 Yen / | = 0x5c / 0x7c
- "M" row 1 , / < = 0x2c / 0x3c
- "M" row 2 . / > = 0x2e / 0x3e
- "M" row 3 / / ? = 0x2f / 0x3f
-*/
-
-static const UINT8 smc777_keytable[2][0xa0] =
-{
- /* normal*/
- {
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* numpad */
- 0x38, 0x39, 0x2f, 0x2a, 0x2d, 0x2b, 0x0d, 0x2e,
- 0xff, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* A - G */
- 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* H - O */
- 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* P - W */
- 0x78, 0x79, 0x7a, 0x2d, 0x5d, 0x60, 0xff, 0xff, /* X - Z */
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0 - 7*/
- 0x38, 0x39, 0x3b, 0x5c, 0x2c, 0x2e, 0x2f, 0xff, /* 8 - 9 */
- 0x0d, 0x20, 0x08, 0x09, 0x1b, 0x0f, 0x11, 0xff,
- 0x17, 0x1c, 0x16, 0x19, 0x14, 0x0e, 0x12, 0x03,
- 0x01, 0x02, 0x04, 0x06, 0x0b, 0xff, 0xff, 0xff,
-
- },
- /* shift */
- {
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* numpad */
- 0x38, 0x39, 0x2f, 0x2a, 0x2d, 0x2b, 0x0d, 0x2e,
- 0xff, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
- 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* H - O */
- 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* P - W */
- 0x58, 0x59, 0x5a, 0x5f, 0x7d, 0x7e, 0xff, 0xff, /* X - Z */
- 0x29, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5e, 0x26,
- 0x2a, 0x28, 0x3a, 0x7c, 0x3c, 0x3e, 0x3f, 0xff,
- 0x0d, 0x20, 0x08, 0x09, 0x1b, 0x0f, 0x11, 0xff,
- 0x17, 0x1c, 0x16, 0x19, 0x14, 0x0e, 0x12, 0x03,
- 0x15, 0x18, 0x12, 0x05, 0x03, 0xff, 0xff, 0xff, /* F1 - F5 */
- }
-};
-
-TIMER_DEVICE_CALLBACK_MEMBER(smc777_state::keyboard_callback)
-{
- static const char *const portnames[11] = { "key0","key1","key2","key3","key4","key5","key6","key7", "key8", "key9", "keya" };
- int i,port_i,scancode;
- UINT8 shift_mod = ioport("key_mod")->read() & 1;
- UINT8 kana_mod = ioport("key_mod")->read() & 0x10;
- scancode = 0;
-
- for(port_i=0;port_i<11;port_i++)
- {
- for(i=0;i<8;i++)
- {
- if((ioport(portnames[port_i])->read()>>i) & 1)
- {
- m_keyb_press = smc777_keytable[shift_mod & 1][scancode];
- if(kana_mod) { m_keyb_press|=0x80; }
- m_keyb_press_flag = 1;
- m_shift_press_flag = shift_mod & 1;
- return;
- }
- scancode++;
- }
- }
-}
-
-static const gfx_layout smc777_charlayout =
-{
- 8, 8,
- 0x800 / 8,
- 1,
- { 0 },
- { 0, 1, 2, 3, 4, 5, 6, 7 },
- { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
- 8*8
-};
-
-void smc777_state::machine_start()
-{
- m_ipl_rom = memregion("ipl")->base();
- m_work_ram = auto_alloc_array_clear(machine(), UINT8, 0x10000);
- m_vram = auto_alloc_array_clear(machine(), UINT8, 0x800);
- m_attr = auto_alloc_array_clear(machine(), UINT8, 0x800);
- m_gvram = auto_alloc_array_clear(machine(), UINT8, 0x8000);
- m_pcg = auto_alloc_array_clear(machine(), UINT8, 0x800);
-
- save_pointer(NAME(m_work_ram), 0x10000);
- save_pointer(NAME(m_vram), 0x800);
- save_pointer(NAME(m_attr), 0x800);
- save_pointer(NAME(m_gvram), 0x8000);
- save_pointer(NAME(m_pcg), 0x800);
-
- m_gfxdecode->set_gfx(0, global_alloc(gfx_element(m_palette, smc777_charlayout, (UINT8 *)m_pcg, 0, 8, 0)));
-}
-
-void smc777_state::machine_reset()
-{
- m_raminh = 1;
- m_raminh_pending_change = 1;
- m_raminh_prefetch = 0xff;
- m_pal_mode = 0x10;
-
- m_beeper->set_frequency(300); //TODO: correct frequency
- m_beeper->set_state(0);
-}
-
-
-/* set-up SMC-70 mode colors */
-PALETTE_INIT_MEMBER(smc777_state, smc777)
-{
- int i;
-
- for(i=0x10;i<0x18;i++)
- {
- UINT8 r,g,b;
-
- r = (i & 4) >> 2;
- g = (i & 2) >> 1;
- b = (i & 1) >> 0;
-
- palette.set_pen_color(i, pal1bit(r),pal1bit(g),pal1bit(b));
- palette.set_pen_color(i+8, pal1bit(0),pal1bit(0),pal1bit(0));
- }
-}
-
-
-INTERRUPT_GEN_MEMBER(smc777_state::vblank_irq)
-{
- if(m_irq_mask)
- device.execute().set_input_line(0,HOLD_LINE);
-}
-
-
-static SLOT_INTERFACE_START( smc777_floppies )
- SLOT_INTERFACE("ssdd", FLOPPY_35_SSDD)
-SLOT_INTERFACE_END
-
-
-static MACHINE_CONFIG_START( smc777, smc777_state )
- /* basic machine hardware */
- MCFG_CPU_ADD("maincpu",Z80, MASTER_CLOCK)
- MCFG_CPU_PROGRAM_MAP(smc777_mem)
- MCFG_CPU_IO_MAP(smc777_io)
- MCFG_CPU_VBLANK_INT_DRIVER("screen", smc777_state, vblank_irq)
-
- /* video hardware */
- MCFG_SCREEN_ADD("screen", RASTER)
- MCFG_SCREEN_REFRESH_RATE(60)
- MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
- MCFG_SCREEN_SIZE(0x400, 400)
- MCFG_SCREEN_VISIBLE_AREA(0, 660-1, 0, 220-1) //normal 640 x 200 + 20 pixels for border color
- MCFG_SCREEN_UPDATE_DRIVER(smc777_state, screen_update_smc777)
- MCFG_SCREEN_PALETTE("palette")
-
- MCFG_PALETTE_ADD("palette", 0x20) // 16 + 8 colors (SMC-777 + SMC-70) + 8 empty entries (SMC-70)
- MCFG_PALETTE_INIT_OWNER(smc777_state, smc777)
-
- MCFG_GFXDECODE_ADD("gfxdecode", "palette", empty)
-
- MCFG_MC6845_ADD("crtc", H46505, "screen", MASTER_CLOCK/2) /* unknown clock, hand tuned to get ~60 fps */
- MCFG_MC6845_SHOW_BORDER_AREA(true)
- MCFG_MC6845_CHAR_WIDTH(8)
-
- // floppy controller
- MCFG_MB8876_ADD("fdc", XTAL_1MHz)
- MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(smc777_state, fdc_intrq_w))
- MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(smc777_state, fdc_drq_w))
-
- // does it really support 16 of them?
- MCFG_FLOPPY_DRIVE_ADD("fdc:0", smc777_floppies, "ssdd", floppy_image_device::default_floppy_formats)
- MCFG_FLOPPY_DRIVE_ADD("fdc:1", smc777_floppies, "ssdd", floppy_image_device::default_floppy_formats)
-
- MCFG_SOFTWARE_LIST_ADD("flop_list", "smc777")
-
- /* sound hardware */
- MCFG_SPEAKER_STANDARD_MONO("mono")
-
- MCFG_SOUND_ADD("sn1", SN76489A, MASTER_CLOCK) // unknown clock / divider
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
-
- MCFG_SOUND_ADD("beeper", BEEP, 0)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS,"mono",0.50)
-
- MCFG_TIMER_DRIVER_ADD_PERIODIC("keyboard_timer", smc777_state, keyboard_callback, attotime::from_hz(240/32))
-MACHINE_CONFIG_END
-
-/* ROM definition */
-ROM_START( smc777 )
- /* shadow ROM */
- ROM_REGION( 0x10000, "ipl", ROMREGION_ERASEFF )
- ROM_SYSTEM_BIOS(0, "1st", "1st rev.")
- ROMX_LOAD( "smcrom.dat", 0x0000, 0x4000, CRC(b2520d31) SHA1(3c24b742c38bbaac85c0409652ba36e20f4687a1), ROM_BIOS(1))
- ROM_SYSTEM_BIOS(1, "2nd", "2nd rev.")
- ROMX_LOAD( "smcrom.v2", 0x0000, 0x4000, CRC(c1494b8f) SHA1(a7396f5c292f11639ffbf0b909e8473c5aa63518), ROM_BIOS(2))
-
- ROM_REGION( 0x800, "mcu", ROMREGION_ERASEFF )
- ROM_LOAD( "i80xx", 0x000, 0x800, NO_DUMP ) // keyboard mcu, needs decapping
-ROM_END
-
-/* Driver */
-
-/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
-COMP( 1983, smc777, 0, 0, smc777, smc777, driver_device, 0, "Sony", "SMC-777", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND)