diff options
Diffstat (limited to 'src/mess/drivers/smc777.c')
-rw-r--r-- | src/mess/drivers/smc777.c | 1027 |
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) |