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-rw-r--r--src/mame/drivers/smc777.cpp1176
1 files changed, 0 insertions, 1176 deletions
diff --git a/src/mame/drivers/smc777.cpp b/src/mame/drivers/smc777.cpp
deleted file mode 100644
index c1014c7618e..00000000000
--- a/src/mame/drivers/smc777.cpp
+++ /dev/null
@@ -1,1176 +0,0 @@
-// license:LGPL-2.1+
-// copyright-holders:Angelo Salese
-/*************************************************************************************
-
- SMC-777 (c) 1983 Sony
-
- driver by Angelo Salese
-
- TODO:
- - Implement SMC-70 specific features;
- - Implement GFX modes other than 160x100x4
- - 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 "imagedev/floppy.h"
-#include "machine/timer.h"
-#include "machine/wd_fdc.h"
-#include "sound/beep.h"
-#include "sound/sn76496.h"
-#include "video/mc6845.h"
-#include "emupal.h"
-#include "screen.h"
-#include "softlist.h"
-#include "imagedev/snapquik.h"
-#include "speaker.h"
-
-
-#define MASTER_CLOCK 4.028_MHz_XTAL
-
-#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_screen(*this, "screen")
- , 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")
- { }
-
- void smc777(machine_config &config);
-
-protected:
- virtual void machine_start() override;
- virtual void machine_reset() override;
- virtual void video_start() override;
-
-private:
- 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(io_status_1c_r);
- DECLARE_READ8_MEMBER(io_status_1d_r);
- DECLARE_WRITE8_MEMBER(io_control_w);
- DECLARE_WRITE8_MEMBER(color_mode_w);
- DECLARE_WRITE8_MEMBER(ramdac_w);
- DECLARE_READ8_MEMBER(gcw_r);
- DECLARE_WRITE8_MEMBER(gcw_w);
- DECLARE_READ8_MEMBER(smc777_mem_r);
- DECLARE_WRITE8_MEMBER(smc777_mem_w);
- DECLARE_READ8_MEMBER(vsync_irq_status_r);
- DECLARE_WRITE8_MEMBER(vsync_irq_enable_w);
- void smc777_palette(palette_device &palette) const;
- uint32_t screen_update_smc777(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
- DECLARE_WRITE_LINE_MEMBER(vsync_w);
- TIMER_DEVICE_CALLBACK_MEMBER(keyboard_callback);
-
- DECLARE_READ8_MEMBER(fdc_r);
- DECLARE_WRITE8_MEMBER(fdc_w);
- DECLARE_READ8_MEMBER(fdc1_fast_status_r);
- DECLARE_WRITE8_MEMBER(fdc1_select_w);
- DECLARE_WRITE_LINE_MEMBER(fdc_intrq_w);
- DECLARE_WRITE_LINE_MEMBER(fdc_drq_w);
-
- DECLARE_QUICKLOAD_LOAD_MEMBER(quickload_cb);
-
- void smc777_io(address_map &map);
- void smc777_mem(address_map &map);
-
- required_device<cpu_device> m_maincpu;
- required_device<screen_device> m_screen;
- required_device<mc6845_device> m_crtc;
- required_device<mb8876_device> 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_t *m_ipl_rom;
- std::unique_ptr<uint8_t[]> m_work_ram;
- std::unique_ptr<uint8_t[]> m_vram;
- std::unique_ptr<uint8_t[]> m_attr;
- std::unique_ptr<uint8_t[]> m_gvram;
- std::unique_ptr<uint8_t[]> m_pcg;
-
- uint8_t m_keyb_press;
- uint8_t m_keyb_press_flag;
- uint8_t m_shift_press_flag;
- uint8_t m_backdrop_pen;
- uint8_t m_display_reg;
- uint8_t m_fdc_irq_flag;
- uint8_t m_fdc_drq_flag;
- uint8_t m_system_data;
- struct { uint8_t r,g,b; } m_pal;
- uint8_t m_raminh,m_raminh_pending_change; //bankswitch
- uint8_t m_raminh_prefetch;
- uint8_t m_pal_mode;
- uint8_t m_keyb_cmd;
- uint8_t m_crtc_vreg[0x20];
- uint8_t m_crtc_addr;
- bool m_vsync_idf;
- bool m_vsync_ief;
-};
-
-
-/* TODO: correct calculation thru mc6845 regs */
-#define CRTC_MIN_X 24*8
-#define CRTC_MIN_Y 4*8
-
-void smc777_state::video_start()
-{
-}
-
-uint32_t smc777_state::screen_update_smc777(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- int x,y,yi;
- uint16_t 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_t 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 && m_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(m_screen->frame_number() & 0x10) { cursor_on = 1; } break; //fast blink
- case 0x60: if(m_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(data);
- }
- else
- {
- m_crtc_vreg[m_crtc_addr] = data;
- m_crtc->register_w(data);
- }
-}
-
-READ8_MEMBER(smc777_state::vram_r)
-{
- uint16_t vram_index;
-
- vram_index = ((offset & 0x0007) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- return m_vram[vram_index];
-}
-
-READ8_MEMBER(smc777_state::attr_r)
-{
- uint16_t vram_index;
-
- vram_index = ((offset & 0x0007) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- return m_attr[vram_index];
-}
-
-READ8_MEMBER(smc777_state::pcg_r)
-{
- uint16_t vram_index;
-
- vram_index = ((offset & 0x0007) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- return m_pcg[vram_index];
-}
-
-WRITE8_MEMBER(smc777_state::vram_w)
-{
- uint16_t vram_index;
-
- vram_index = ((offset & 0x0007) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- m_vram[vram_index] = data;
-}
-
-WRITE8_MEMBER(smc777_state::attr_w)
-{
- uint16_t vram_index;
-
- vram_index = ((offset & 0x0007) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- m_attr[vram_index] = data;
-}
-
-WRITE8_MEMBER(smc777_state::pcg_w)
-{
- uint16_t 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_t vram_index;
-
- vram_index = ((offset & 0x007f) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- return m_gvram[vram_index];
-}
-
-WRITE8_MEMBER(smc777_state::fbuf_w)
-{
- uint16_t vram_index;
-
- vram_index = ((offset & 0x00ff) << 8);
- vram_index |= ((offset & 0xff00) >> 8);
-
- m_gvram[vram_index] = data;
-}
-
-
-/***********************************************************
-
- Quickload
-
- This loads a .COM file to address 0x100 then jumps
- there. Sometimes .COM has been renamed to .CPM to
- prevent windows going ballistic. These can be loaded
- as well.
-
-************************************************************/
-
-QUICKLOAD_LOAD_MEMBER(smc777_state::quickload_cb)
-{
- address_space& prog_space = m_maincpu->space(AS_PROGRAM);
-
- if (quickload_size >= 0xfd00)
- return image_init_result::FAIL;
-
- /* The right RAM bank must be active */
-
- /* Avoid loading a program if CP/M-80 is not in memory */
- if ((prog_space.read_byte(0) != 0xc3) || (prog_space.read_byte(5) != 0xc3))
- {
- machine_reset();
- return image_init_result::FAIL;
- }
-
- /* Load image to the TPA (Transient Program Area) */
- for (uint16_t i = 0; i < quickload_size; i++)
- {
- uint8_t data;
- if (image.fread( &data, 1) != 1)
- return image_init_result::FAIL;
- prog_space.write_byte(i+0x100, data);
- }
-
- /* clear out command tail */
- prog_space.write_byte(0x80, 0); prog_space.write_byte(0x81, 0);
-
- /* Roughly set SP basing on the BDOS position */
- m_maincpu->set_state_int(Z80_SP, 256 * prog_space.read_byte(7) - 300);
- m_maincpu->set_pc(0x100); // start program
-
- return image_init_result::PASS;
-}
-
-READ8_MEMBER( smc777_state::fdc_r )
-{
- return m_fdc->read(offset) ^ 0xff;
-}
-
-WRITE8_MEMBER( smc777_state::fdc_w )
-{
- m_fdc->write(offset, data ^ 0xff);
-}
-
-READ8_MEMBER( smc777_state::fdc1_fast_status_r )
-{
- uint8_t data = 0;
-
- // TODO: inverted wrt documentation?
- data |= !m_fdc_drq_flag << 6;
- data |= m_fdc_irq_flag << 7;
-
- return data;
-}
-
-WRITE8_MEMBER( smc777_state::fdc1_select_w )
-{
- floppy_image_device *floppy = nullptr;
-
- // x--- ---- SIDE1: [SMC-70] side select
- // ---- --x- EXDS: [SMC-70] external drive select (0=internal, 1=external)
- // ---- ---x DS01: select floppy drive
- floppy = (data & 1 ? m_floppy1 : m_floppy0)->get_device();
-
- 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::io_status_1c_r)
-{
- /*
- * RES x--- ---- Power On bit (1=reset switch)
- * HiZ -x-- ---- [SMC-70] no drive (always '1'?)
- * LPH --x- ---- [SMC-70] light pen H position
- * CP ---x ---- [SMC-777] color board (active low)
- * LPV ---x x--- [SMC-70] light pen V position
- * ID ---- -x-- 0=SMC-777 1=SMC-70
- * MD ---- --xx [SMC-70] boot mode (00=DISK; 10=ROM; 11=EXT)
- */
- printf("System R\n");
-
- return 0;
-}
-
-READ8_MEMBER(smc777_state::io_status_1d_r)
-{
- /*
- * TCIN x--- ---- CMT read data
- * HiZ -x-- ---- [SMC-70] no drive (always '1'?)
- * LPIN --x- ---- [SMC-70] light pen input
- * PR_BUSY ---x ---- printer busy
- * PR_ACK ---- x--- printer ACK
- * ID ---- -x-- 0=SMC-777 1=SMC-70
- * MD ---- --xx [SMC-70] boot mode (00=DISK; 10=ROM; 11=EXT)
- */
- return 0;
-}
-
-
-WRITE8_MEMBER(smc777_state::io_control_w)
-{
- /*
- * flip-flop based
- * ---x -111 cassette write
- * ---x -110 printer strobe
- * ---x -101 beeper
- * ---x -100 cassette start (MONITOR_ON_OFF)
- * ---x -011 0=RGB 1=Component
- * ---x -010 0=525 lines 1=625 lines (NTSC/PAL switch?)
- * ---x -001 1=display disable
- * ---x -000 ram inibit signal
- */
- m_system_data = data;
- switch(m_system_data & 0x07)
- {
- case 0x00:
- // "ROM / RAM register change is done at the beginning of the next M1 cycle"
- m_raminh_pending_change = ((data & 0x10) >> 4) ^ 1;
- m_raminh_prefetch = (uint8_t)(m_maincpu->state_int(Z80_R)) & 0x7f;
- break;
- case 0x02: printf("Screen line number %d\n",data & 0x10 ? 625 : 525); 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)
-{
- /*
- * ---x -111 gfx palette select
- * ---x -110 text palette select
- * ---x -101 joy 2 out
- * ...
- * ---x -000 joy 2 out
- */
- switch(data & 0x07)
- {
- case 0x06: m_pal_mode = (data & 0x10) ^ 0x10; break;
- default: printf("Color FF %02x\n",data); break;
- }
-}
-
-WRITE8_MEMBER(smc777_state::ramdac_w)
-{
- uint8_t 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::gcw_r)
-{
- return m_display_reg;
-}
-
-/* x */
-WRITE8_MEMBER(smc777_state::gcw_w)
-{
- /*
- * x--- ---- text mode (0 = 80x25 1 = 40x25)
- * -x-- ---- text page (in 40x25 mode)
- * --x- ---- color mode (1=for 2bpp mode, blue is replaced with white)
- * ---x ---- [SMC-70] interlace
- * ---- xxyy gfx mode (model dependant)
- * [SMC-70]
- * ---- 11-- 640x400x1 bpp
- * ---- 10-- 640x200x2 bpp
- * ---- 01-- 320x200x4 bpp
- * ---- 00yy 160x100x4 bpp, bits 0-1 selects page
- * [SMC-777]
- * ---- 1--- 640x200x2 bpp
- * ---- 0--- 320x200x4 bpp
- */
-
- m_display_reg = data;
-}
-
-READ8_MEMBER(smc777_state::smc777_mem_r)
-{
- uint8_t z80_r;
-
- // TODO: do the bankswitch AFTER that the prefetch instruction is executed (hackish implementation)
- if(m_raminh_prefetch != 0xff)
- {
- z80_r = (uint8_t)m_maincpu->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::vsync_irq_status_r)
-{
- if (m_vsync_idf == true)
- {
- m_vsync_idf = false;
- return 1;
- }
-
- return 0;
-}
-
-WRITE8_MEMBER(smc777_state::vsync_irq_enable_w)
-{
- if(data & 0xfe)
- logerror("Irq mask = %02x\n",data & 0xfe);
-
- // IRQ mask
- m_vsync_ief = BIT(data,0);
- // TODO: clear idf on 1->0 irq mask transition?
-}
-
-void smc777_state::smc777_mem(address_map &map)
-{
- map.unmap_value_high();
- map(0x0000, 0xffff).rw(FUNC(smc777_state::smc777_mem_r), FUNC(smc777_state::smc777_mem_w));
-}
-
-void smc777_state::smc777_io(address_map &map)
-{
- map.unmap_value_high();
- map(0x00, 0x07).select(0xff00).rw(FUNC(smc777_state::vram_r), FUNC(smc777_state::vram_w));
- map(0x08, 0x0f).select(0xff00).rw(FUNC(smc777_state::attr_r), FUNC(smc777_state::attr_w));
- map(0x10, 0x17).select(0xff00).rw(FUNC(smc777_state::pcg_r), FUNC(smc777_state::pcg_w));
- map(0x18, 0x19).mirror(0xff00).w(FUNC(smc777_state::mc6845_w));
- map(0x1a, 0x1b).mirror(0xff00).rw(FUNC(smc777_state::key_r), FUNC(smc777_state::key_w));
- map(0x1c, 0x1c).mirror(0xff00).rw(FUNC(smc777_state::io_status_1c_r), FUNC(smc777_state::io_control_w));
- map(0x1d, 0x1d).mirror(0xff00).rw(FUNC(smc777_state::io_status_1d_r), FUNC(smc777_state::io_control_w));
-// map(0x1e, 0x1f) rs232 irq control
- map(0x20, 0x20).mirror(0xff00).rw(FUNC(smc777_state::gcw_r), FUNC(smc777_state::gcw_w));
- map(0x21, 0x21).mirror(0xff00).rw(FUNC(smc777_state::vsync_irq_status_r), FUNC(smc777_state::vsync_irq_enable_w));
-// map(0x22, 0x22) printer output data
- map(0x23, 0x23).mirror(0xff00).w(FUNC(smc777_state::border_col_w));
-// map(0x24, 0x24) rtc write address (M5M58321RS)
-// map(0x25, 0x25) rtc read
-// map(0x26, 0x26) rs232 #1
-// map(0x28, 0x2c) fdc #2 (8")
-// map(0x2d, 0x2f) rs232 #2
- map(0x30, 0x33).mirror(0xff00).rw(FUNC(smc777_state::fdc_r), FUNC(smc777_state::fdc_w));
- map(0x34, 0x34).mirror(0xff00).rw(FUNC(smc777_state::fdc1_fast_status_r), FUNC(smc777_state::fdc1_select_w));
-// map(0x35, 0x37) rs232 #3
-// map(0x38, 0x3b) cache disk unit
- // 0x38 (R) CDSTS status port (W) CDCMD command port
- // 0x39 (W) track register
- // 0x3a (W) sector register
- // 0x3b (RW) data port
-// map(0x3c, 0x3d) rgb superimposer / genlock control
-// map(0x40, 0x47) ieee-488 / TMS9914A I/F
- map(0x44, 0x44).mirror(0xff00).portr("GPDSW"); // normally unmapped in GPIB interface
-// map(0x48, 0x49) hdd (winchester)
- // TODO: address bit 8 selects joy port 2
- map(0x51, 0x51).mirror(0xff00).portr("JOY_1P").w(FUNC(smc777_state::color_mode_w));
- map(0x52, 0x52).select(0xff00).w(FUNC(smc777_state::ramdac_w));
- map(0x53, 0x53).mirror(0xff00).w("sn1", FUNC(sn76489a_device::write));
-// map(0x54, 0x59) vrt controller
-// map(0x5a, 0x5b) ram banking
-// map(0x70, 0x70) auto-start ROM (ext-ROM)
-// map(0x74, 0x74) ieee-488 GPIB ROM port
-// map(0x75, 0x75) vrt controller ROM
-// map(0x7e, 0x7f) kanji ROM
- map(0x80, 0xff).select(0xff00).rw(FUNC(smc777_state::fbuf_r), FUNC(smc777_state::fbuf_w));
-}
-
-/* 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?
-
- PORT_START("GPDSW")
- PORT_DIPNAME( 0x01, 0x00, "GPDSW" )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x01, DEF_STR( On ) )
- PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x02, DEF_STR( On ) )
- PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x04, DEF_STR( On ) )
- PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x08, DEF_STR( On ) )
- PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x10, DEF_STR( On ) )
- PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x20, DEF_STR( On ) )
- PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x40, DEF_STR( On ) )
- PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x80, DEF_STR( On ) )
-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_t 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_t shift_mod = ioport("key_mod")->read() & 1;
- uint8_t 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 = make_unique_clear<uint8_t[]>(0x10000);
- m_vram = make_unique_clear<uint8_t[]>(0x800);
- m_attr = make_unique_clear<uint8_t[]>(0x800);
- m_gvram = make_unique_clear<uint8_t[]>(0x8000);
- m_pcg = make_unique_clear<uint8_t[]>(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, std::make_unique<gfx_element>(m_palette, smc777_charlayout, m_pcg.get(), 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_vsync_idf = false;
-
- m_beeper->set_state(0);
-}
-
-
-/* set-up SMC-70 mode colors */
-void smc777_state::smc777_palette(palette_device &palette) const
-{
- for(int i = 0x10; i < 0x18; i++)
- {
- uint8_t const r = BIT(i, 2);
- uint8_t const g = BIT(i, 1);
- uint8_t const b = BIT(i, 0);
-
- palette.set_pen_color(i, pal1bit(r), pal1bit(g), pal1bit(b));
- palette.set_pen_color(i+8, rgb_t::black());
- }
-}
-
-
-WRITE_LINE_MEMBER(smc777_state::vsync_w)
-{
- if (state && m_vsync_ief)
- {
- m_maincpu->set_input_line(0,HOLD_LINE);
- m_vsync_idf = true;
- }
-}
-
-
-static void smc777_floppies(device_slot_interface &device)
-{
- device.option_add("ssdd", FLOPPY_35_SSDD);
-}
-
-
-void smc777_state::smc777(machine_config &config)
-{
- /* basic machine hardware */
- Z80(config, m_maincpu, MASTER_CLOCK);
- m_maincpu->set_addrmap(AS_PROGRAM, &smc777_state::smc777_mem);
- m_maincpu->set_addrmap(AS_IO, &smc777_state::smc777_io);
-
- /* video hardware */
- SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
- m_screen->set_refresh_hz(60);
- m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
- m_screen->set_size(0x400, 400);
- m_screen->set_visarea(0, 660-1, 0, 220-1); //normal 640 x 200 + 20 pixels for border color
- m_screen->set_screen_update(FUNC(smc777_state::screen_update_smc777));
- m_screen->set_palette(m_palette);
-
- PALETTE(config, m_palette, FUNC(smc777_state::smc777_palette), 0x20); // 16 + 8 colors (SMC-777 + SMC-70) + 8 empty entries (SMC-70)
-
- GFXDECODE(config, m_gfxdecode, m_palette, gfxdecode_device::empty);
-
- HD6845S(config, m_crtc, MASTER_CLOCK/2); /* HD68A45SP; unknown clock, hand tuned to get ~60 fps */
- m_crtc->set_screen(m_screen);
- m_crtc->set_show_border_area(true);
- m_crtc->set_char_width(8);
- m_crtc->out_vsync_callback().set(FUNC(smc777_state::vsync_w));
-
- // floppy controller
- MB8876(config, m_fdc, 1_MHz_XTAL);
- m_fdc->intrq_wr_callback().set(FUNC(smc777_state::fdc_intrq_w));
- m_fdc->drq_wr_callback().set(FUNC(smc777_state::fdc_drq_w));
-
- // does it really support 16 of them?
- FLOPPY_CONNECTOR(config, "fdc:0", smc777_floppies, "ssdd", floppy_image_device::default_floppy_formats);
- FLOPPY_CONNECTOR(config, "fdc:1", smc777_floppies, "ssdd", floppy_image_device::default_floppy_formats);
-
- SOFTWARE_LIST(config, "flop_list").set_original("smc777");
- QUICKLOAD(config, "quickload", "com,cpm", attotime::from_seconds(3)).set_load_callback(FUNC(smc777_state::quickload_cb));
-
- /* sound hardware */
- SPEAKER(config, "mono").front_center();
-
- SN76489A(config, "sn1", MASTER_CLOCK).add_route(ALL_OUTPUTS, "mono", 0.50); // unknown clock / divider
-
- BEEP(config, m_beeper, 300); // TODO: correct frequency
- m_beeper->add_route(ALL_OUTPUTS, "mono", 0.50);
-
- TIMER(config, "keyboard_timer").configure_periodic(FUNC(smc777_state::keyboard_callback), attotime::from_hz(240/32));
-}
-
-/* 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(0))
- ROM_SYSTEM_BIOS(1, "2nd", "2nd rev.")
- ROMX_LOAD( "smcrom.v2", 0x0000, 0x4000, CRC(c1494b8f) SHA1(a7396f5c292f11639ffbf0b909e8473c5aa63518), ROM_BIOS(1))
-
- ROM_REGION( 0x400, "mcu", ROMREGION_ERASEFF )
- ROM_LOAD( "m5l8041a-077p.bin", 0x000, 0x400, NO_DUMP ) // 8041 keyboard mcu, needs decapping
-ROM_END
-
-/* Driver */
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT STATE INIT COMPANY FULLNAME FLAGS
-COMP( 1983, smc777, 0, 0, smc777, smc777, smc777_state, empty_init, "Sony", "SMC-777", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND)