// license:BSD-3-Clause // copyright-holders:R. Belmont /*************************************************************************** laser3k.c Driver for VTech Laser 3000 / Dick Smith Electronics "The Cat" This machine is somewhat similar to a 48K Apple II if you blur your eyes a lot, but it generally fits in poorly with 100% compatible machines (no chance of a compatible language card or auxmem) so it gets its own driver. An "emulation cartridge" is required to run Apple II software; it's unclear what that consists of. Banking theory: - 6502 has 4 banking windows, 0000-3FFF, 4000-7FFF, 8000-BFFF, C000-FFFF - Physical address space is 0x00000-0x3FFFF. ROM and I/O at the top, RAM up to 0x2FFFF (192k max). - Each window has a bank number register at physical 3C07C/D/E/F Technical manual at: http://mirrors.apple2.org.za/Apple%20II%20Documentation%20Project/Computers/LASER/LASER%203000/Manuals/The%20Cat%20Technical%20Reference%20Manual.pdf TODO: - Finish keyboard - RGB graphics mode - FDC C800 page appears to be inside the FDC cartridge, need a dump :( (can hack to use IWM in the meantime) - Centronics printer port (data at 3c090, read ack at 3c1c0, read busy at 3c1c2) - cassette ***************************************************************************/ #include "emu.h" #include "cpu/m6502/m6502.h" #include "machine/bankdev.h" #include "machine/ram.h" #include "machine/kb3600.h" #include "sound/sn76496.h" #include "sound/spkrdev.h" #include "emupal.h" #include "screen.h" #include "speaker.h" enum { TEXT = 0, HIRES, RGB, DHIRES }; #define BLACK 0 #define DKRED 1 #define DKBLUE 2 #define PURPLE 3 #define DKGREEN 4 #define DKGRAY 5 #define BLUE 6 #define LTBLUE 7 #define BROWN 8 #define ORANGE 9 #define GRAY 10 #define PINK 11 #define GREEN 12 #define YELLOW 13 #define AQUA 14 #define WHITE 15 class laser3k_state : public driver_device { public: laser3k_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_ram(*this, "mainram") , m_bank0(*this, "bank0") , m_bank1(*this, "bank1") , m_bank2(*this, "bank2") , m_bank3(*this, "bank3") , m_ay3600(*this, "ay3600") , m_speaker(*this, "speaker") , m_sn(*this, "sn76489") , m_kbspecial(*this, "keyb_special") { } void laser3k(machine_config &config); protected: virtual void machine_start() override; virtual void machine_reset() override; private: READ8_MEMBER( ram_r ); WRITE8_MEMBER( ram_w ); READ8_MEMBER( io_r ); WRITE8_MEMBER( io_w ); READ8_MEMBER( io2_r ); void laser3k_palette(palette_device &palette) const; uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void text_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int beginrow, int endrow); void hgr_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int beginrow, int endrow); void dhgr_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int beginrow, int endrow); DECLARE_READ_LINE_MEMBER(ay3600_shift_r); DECLARE_READ_LINE_MEMBER(ay3600_control_r); DECLARE_WRITE_LINE_MEMBER(ay3600_data_ready_w); void banks_map(address_map &map); void laser3k_map(address_map &map); void plot_text_character(bitmap_ind16 &bitmap, int xpos, int ypos, int xscale, uint32_t code, const uint8_t *textgfx_data, uint32_t textgfx_datalen); void do_io(int offset); required_device m_maincpu; required_device m_screen; required_device m_ram; required_device m_bank0; required_device m_bank1; required_device m_bank2; required_device m_bank3; required_device m_ay3600; required_device m_speaker; required_device m_sn; required_ioport m_kbspecial; uint8_t m_bank0val, m_bank1val, m_bank2val, m_bank3val; int m_flash; int m_speaker_state; int m_disp_page; int m_bg_color, m_fg_color, m_border_color; uint16_t m_lastchar, m_strobe; uint8_t m_transchar; bool m_80col; bool m_mix; int m_gfxmode; std::unique_ptr m_hires_artifact_map; std::unique_ptr m_dhires_artifact_map; }; /*************************************************************************** ADDRESS MAP ***************************************************************************/ void laser3k_state::laser3k_map(address_map &map) { map(0x0000, 0x3fff).m(m_bank0, FUNC(address_map_bank_device::amap8)); map(0x4000, 0x7fff).m(m_bank1, FUNC(address_map_bank_device::amap8)); map(0x8000, 0xbfff).m(m_bank2, FUNC(address_map_bank_device::amap8)); map(0xc000, 0xffff).m(m_bank3, FUNC(address_map_bank_device::amap8)); } void laser3k_state::banks_map(address_map &map) { map(0x00000, 0x2ffff).rw(FUNC(laser3k_state::ram_r), FUNC(laser3k_state::ram_w)); map(0x38000, 0x3bfff).rom().region("maincpu", 0); map(0x3c000, 0x3c0ff).rw(FUNC(laser3k_state::io_r), FUNC(laser3k_state::io_w)); map(0x3c100, 0x3c1ff).r(FUNC(laser3k_state::io2_r)); map(0x3c200, 0x3ffff).rom().region("maincpu", 0x4200); } void laser3k_state::machine_start() { static const uint8_t hires_artifact_color_table[] = { BLACK, PURPLE, GREEN, WHITE, BLACK, BLUE, ORANGE, WHITE }; static const uint8_t dhires_artifact_color_table[] = { BLACK, DKGREEN, BROWN, GREEN, DKRED, DKGRAY, ORANGE, YELLOW, DKBLUE, BLUE, GRAY, AQUA, PURPLE, LTBLUE, PINK, WHITE }; int i, j; uint16_t c; /* 2^3 dependent pixels * 2 color sets * 2 offsets */ m_hires_artifact_map = std::make_unique(8 * 2 * 2); /* 2^4 dependent pixels */ m_dhires_artifact_map = std::make_unique(16); /* build hires artifact map */ for (i = 0; i < 8; i++) { for (j = 0; j < 2; j++) { if (i & 0x02) { if ((i & 0x05) != 0) c = 3; else c = j ? 2 : 1; } else { if ((i & 0x05) == 0x05) c = j ? 1 : 2; else c = 0; } m_hires_artifact_map[ 0 + j*8 + i] = hires_artifact_color_table[(c + 0) % 8]; m_hires_artifact_map[16 + j*8 + i] = hires_artifact_color_table[(c + 4) % 8]; } } /* build double hires artifact map */ for (i = 0; i < 16; i++) { m_dhires_artifact_map[i] = dhires_artifact_color_table[i]; } } void laser3k_state::machine_reset() { m_bank0val = 0; m_bank1val = 1; m_bank2val = 2; m_bank3val = 0xf; m_bank0->set_bank(m_bank0val); m_bank1->set_bank(m_bank1val); m_bank2->set_bank(m_bank2val); m_bank3->set_bank(m_bank3val); // reset the 6502 here with the banking set up so we get the right vector m_maincpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE); m_maincpu->set_input_line(INPUT_LINE_RESET, CLEAR_LINE); m_flash = 0; m_speaker_state = 0; m_disp_page = 0; m_bg_color = 0; m_fg_color = 15; m_border_color = 0; m_strobe = 0; m_transchar = 0; m_lastchar = 0; m_80col = 0; m_mix = false; m_gfxmode = TEXT; uint8_t *rom = (uint8_t *)memregion("maincpu")->base(); // patch out disk controller ID for now so it drops right into BASIC rom[0x4607] = 0; } READ8_MEMBER( laser3k_state::ram_r ) { return m_ram->read(offset); } WRITE8_MEMBER( laser3k_state::ram_w ) { m_ram->write(offset, data); } // most softswitches don't care about read vs write, so handle them here void laser3k_state::do_io(int offset) { switch (offset) { case 0x08: // set border color to black m_border_color = 0; break; case 0x09: // set border color to red m_border_color = 1; break; case 0x0a: // set border color to green m_border_color = 12; break; case 0x0b: // set border color to yellow m_border_color = 13; break; case 0x0c: // set border color to blue m_border_color = 6; break; case 0x0d: // set border color to magenta m_border_color = 3; break; case 0x0e: // set border color to cyan m_border_color = 14; break; case 0x0f: // set border color to white m_border_color = 15; break; case 0x18: // set bg color to black m_bg_color = 0; break; case 0x19: // set bg color to red m_bg_color = 1; break; case 0x1a: // set bg color to green m_bg_color = 12; break; case 0x1b: // set bg color to yellow m_bg_color = 13; break; case 0x1c: // set bg color to blue m_bg_color = 6; break; case 0x1d: // set bg color to magenta m_bg_color = 3; break; case 0x1e: // set bg color to cyan m_bg_color = 14; break; case 0x1f: // set bg color to white m_bg_color = 15; break; case 0x28: // set fg color to normal m_fg_color = 15; break; case 0x29: // set fg color to red m_fg_color = 1; break; case 0x2a: // set fg color to green m_fg_color = 12; break; case 0x2b: // set fg color to yellow m_fg_color = 13; break; case 0x2c: // set fg color to blue m_fg_color = 6; break; case 0x2d: // set fg color to magenta m_fg_color = 3; break; case 0x2e: // set fg color to cyan m_fg_color = 14; break; case 0x2f: // set fg color to white m_fg_color = 15; break; case 0x30: m_speaker_state ^= 1; m_speaker->level_w(m_speaker_state); break; case 0x4c: // low resolution (40 column) m_80col = false; m_maincpu->set_unscaled_clock(1021800); break; case 0x4d: // RGB mode m_gfxmode = RGB; break; case 0x4e: // double hi-res m_80col = true; m_gfxmode = DHIRES; m_maincpu->set_unscaled_clock(1021800*2); break; case 0x4f: // high resolution (80 column). Yes, the CPU clock also doubles when the pixel clock does (!) m_80col = true; m_maincpu->set_unscaled_clock(1021800*2); break; case 0x50: // graphics mode m_gfxmode = HIRES; break; case 0x51: // text mode m_gfxmode = TEXT; break; case 0x52: // no mix m_mix = false; break; case 0x53: // mixed mode m_mix = true; break; case 0x54: // set page 1 m_disp_page = 0; break; case 0x55: // set page 2 m_disp_page = 1; break; case 0x56: // disable emulation (?) break; default: printf("do_io: unknown softswitch @ %x\n", offset); break; } } READ8_MEMBER( laser3k_state::io_r ) { switch (offset) { case 0x00: // keyboard latch return m_transchar | m_strobe; case 0x10: // keyboard strobe { uint8_t rv = m_transchar | m_strobe; m_strobe = 0; return rv; } case 0x7c: return m_bank0val; case 0x7d: return m_bank1val; case 0x7e: return m_bank2val; case 0x7f: return m_bank3val; default: do_io(offset); break; } return 0xff; } WRITE8_MEMBER( laser3k_state::io_w ) { switch (offset) { case 0x10: // clear keyboard latch m_strobe = 0; break; case 0x68: // SN76489 sound m_sn->write(data); break; case 0x78: // called "SYSTEM" in the boot ROM listing, but unsure what it does break; case 0x7c: // bank 0 m_bank0val = data & 0xf; m_bank0->set_bank(m_bank0val); break; case 0x7d: // bank 1 m_bank1val = data & 0xf; m_bank1->set_bank(m_bank1val); break; case 0x7e: // bank 2 m_bank2val = data & 0xf; m_bank2->set_bank(m_bank2val); break; case 0x7f: // bank 3 m_bank3val = data & 0xf; m_bank3->set_bank(m_bank3val); break; default: do_io(offset); break; } } READ8_MEMBER( laser3k_state::io2_r ) { switch (offset) { case 0xc2: // h-blank status return m_screen->hblank() ? 0x80 : 0x00; case 0xc3: // v-blank status return m_screen->vblank() ? 0x80 : 0x00; case 0xc5: // CPU 1/2 MHz status? return 0x00; default: printf("io2_r @ unknown %x\n", offset); break; } return 0xff; } void laser3k_state::plot_text_character(bitmap_ind16 &bitmap, int xpos, int ypos, int xscale, uint32_t code, const uint8_t *textgfx_data, uint32_t textgfx_datalen) { int x, y, i; int fg = m_fg_color; int bg = m_bg_color; const uint8_t *chardata; uint16_t color; /* look up the character data */ chardata = &textgfx_data[(code * 8) % textgfx_datalen]; if (m_flash && (code >= 0x40) && (code <= 0x7f)) { /* we're flashing; swap */ i = fg; fg = bg; bg = i; } for (y = 0; y < 8; y++) { for (x = 0; x < 7; x++) { color = (chardata[y] & (1 << (6-x))) ? fg : bg; for (i = 0; i < xscale; i++) { bitmap.pix16(ypos + y, xpos + (x * xscale) + i) = color; } } } } void laser3k_state::text_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int beginrow, int endrow) { int row, col; uint32_t start_address; uint32_t address; uint8_t *m_a2_videoram = m_ram->pointer(); if (m_80col) { start_address = (m_disp_page == 0) ? 0x1000 : 0x1800; } else { start_address = (m_disp_page == 0) ? 0x400 : 0x800; } m_flash = ((machine().time() * 4).seconds() & 1) ? 1 : 0; beginrow = std::max(beginrow, cliprect.min_y - (cliprect.min_y % 8)); endrow = std::min(endrow, cliprect.max_y - (cliprect.max_y % 8) + 7); for (row = beginrow; row <= endrow; row += 8) { if (m_80col) { for (col = 0; col < 40; col++) { /* calculate address */ address = start_address + ((((row/8) & 0x07) << 7) | (((row/8) & 0x18) * 5 + col)); plot_text_character(bitmap, col * 7, row, 1, m_a2_videoram[address], memregion("gfx1")->base(), memregion("gfx1")->bytes()); plot_text_character(bitmap, (col + 40) * 7, row, 1, m_a2_videoram[address+0x400], memregion("gfx1")->base(), memregion("gfx1")->bytes()); } } else { for (col = 0; col < 40; col++) { /* calculate address */ address = start_address + ((((row/8) & 0x07) << 7) | (((row/8) & 0x18) * 5 + col)); plot_text_character(bitmap, col * 14, row, 2, m_a2_videoram[address], memregion("gfx1")->base(), memregion("gfx1")->bytes()); } } } } void laser3k_state::hgr_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int beginrow, int endrow) { const uint8_t *vram; int row, col, b; int offset; uint8_t vram_row[42] ; uint16_t v; uint16_t *p; uint32_t w; uint16_t *artifact_map_ptr; /* sanity checks */ if (beginrow < cliprect.min_y) beginrow = cliprect.min_y; if (endrow > cliprect.max_y) endrow = cliprect.max_y; if (endrow < beginrow) return; vram = m_ram->pointer() + (m_disp_page ? 0x4000 : 0x2000); vram_row[0] = 0; vram_row[41] = 0; for (row = beginrow; row <= endrow; row++) { for (col = 0; col < 40; col++) { offset = ((((row/8) & 0x07) << 7) | (((row/8) & 0x18) * 5 + col)) | ((row & 7) << 10); vram_row[1+col] = vram[offset]; } p = &bitmap.pix16(row); for (col = 0; col < 40; col++) { w = (((uint32_t) vram_row[col+0] & 0x7f) << 0) | (((uint32_t) vram_row[col+1] & 0x7f) << 7) | (((uint32_t) vram_row[col+2] & 0x7f) << 14); artifact_map_ptr = &m_hires_artifact_map[((vram_row[col+1] & 0x80) >> 7) * 16]; for (b = 0; b < 7; b++) { v = artifact_map_ptr[((w >> (b + 7-1)) & 0x07) | (((b ^ col) & 0x01) << 3)]; *(p++) = v; *(p++) = v; } } } } void laser3k_state::dhgr_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int beginrow, int endrow) { const uint8_t *vram; int row, col, b; int offset; uint8_t vram_row[82]; uint16_t v; uint16_t *p; uint32_t w; /* sanity checks */ if (beginrow < cliprect.min_y) beginrow = cliprect.min_y; if (endrow > cliprect.max_y) endrow = cliprect.max_y; if (endrow < beginrow) return; vram = m_ram->pointer() + (m_disp_page ? 0x8000 : 0x4000); vram_row[0] = 0; vram_row[81] = 0; for (row = beginrow; row <= endrow; row++) { for (col = 0; col < 40; col++) { offset = ((((row/8) & 0x07) << 7) | (((row/8) & 0x18) * 5 + col)) | ((row & 7) << 10); if (col < 40) { vram_row[1+(col*2)+0] = vram[offset]; vram_row[1+(col*2)+1] = vram[offset+1]; } else { vram_row[1+(col*2)+0] = vram[offset+0x2000]; vram_row[1+(col*2)+1] = vram[offset+0x2001]; } } p = &bitmap.pix16(row); for (col = 0; col < 80; col++) { w = (((uint32_t) vram_row[col+0] & 0x7f) << 0) | (((uint32_t) vram_row[col+1] & 0x7f) << 7) | (((uint32_t) vram_row[col+2] & 0x7f) << 14); for (b = 0; b < 7; b++) { v = m_dhires_artifact_map[((((w >> (b + 7-1)) & 0x0F) * 0x11) >> (((2-(col*7+b))) & 0x03)) & 0x0F]; *(p++) = v; } } } } uint32_t laser3k_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { switch (m_gfxmode) { case TEXT: text_update(screen, bitmap, cliprect, 0, 191); break; case HIRES: if (m_mix) { hgr_update(screen, bitmap, cliprect, 0, 159); text_update(screen, bitmap, cliprect, 160, 191); } else { hgr_update(screen, bitmap, cliprect, 0, 191); } break; case RGB: break; case DHIRES: if (m_mix) { dhgr_update(screen, bitmap, cliprect, 0, 159); text_update(screen, bitmap, cliprect, 160, 191); } else { dhgr_update(screen, bitmap, cliprect, 0, 191); } break; } return 0; } READ_LINE_MEMBER(laser3k_state::ay3600_shift_r) { // either shift key if (m_kbspecial->read() & 0x06) { return ASSERT_LINE; } return CLEAR_LINE; } READ_LINE_MEMBER(laser3k_state::ay3600_control_r) { if (m_kbspecial->read() & 0x08) { return ASSERT_LINE; } return CLEAR_LINE; } static const uint8_t key_remap[0x32][4] = { /* norm shft ctrl both */ { 0x33,0x23,0x33,0x23 }, /* 3 # 00 */ { 0x34,0x24,0x34,0x24 }, /* 4 $ 01 */ { 0x35,0x25,0x35,0x25 }, /* 5 % 02 */ { 0x36,0x5e,0x35,0x53 }, /* 6 ^ 03 */ { 0x37,0x26,0x37,0x26 }, /* 7 & 04 */ { 0x38,0x2a,0x38,0x2a }, /* 8 * 05 */ { 0x39,0x28,0x39,0x28 }, /* 9 ( 06 */ { 0x30,0x29,0x30,0x29 }, /* 0 ) 07 */ { 0x3b,0x3a,0x3b,0x3a }, /* ; : 08 */ { 0x2d,0x5f,0x2d,0x1f }, /* - _ 09 */ { 0x51,0x51,0x11,0x11 }, /* q Q 0a */ { 0x57,0x57,0x17,0x17 }, /* w W 0b */ { 0x45,0x45,0x05,0x05 }, /* e E 0c */ { 0x52,0x52,0x12,0x12 }, /* r R 0d */ { 0x54,0x54,0x14,0x14 }, /* t T 0e */ { 0x59,0x59,0x19,0x19 }, /* y Y 0f */ { 0x55,0x55,0x15,0x15 }, /* u U 10 */ { 0x49,0x49,0x09,0x09 }, /* i I 11 */ { 0x4f,0x4f,0x0f,0x0f }, /* o O 12 */ { 0x50,0x50,0x10,0x10 }, /* p P 13 */ { 0x44,0x44,0x04,0x04 }, /* d D 14 */ { 0x46,0x46,0x06,0x06 }, /* f F 15 */ { 0x47,0x47,0x07,0x07 }, /* g G 16 */ { 0x48,0x48,0x08,0x08 }, /* h H 17 */ { 0x4a,0x4a,0x0a,0x0a }, /* j J 18 */ { 0x4b,0x4b,0x0b,0x0b }, /* k K 19 */ { 0x4c,0x4c,0x0c,0x0c }, /* l L 1a */ { 0x3d,0x2b,0x3d,0x2b }, /* = + 1b */ { 0x08,0x08,0x08,0x08 }, /* Left 1c */ { 0x15,0x15,0x15,0x15 }, /* Right 1d */ { 0x5a,0x5a,0x1a,0x1a }, /* z Z 1e */ { 0x58,0x58,0x18,0x18 }, /* x X 1f */ { 0x43,0x43,0x03,0x03 }, /* c C 20 */ { 0x56,0x56,0x16,0x16 }, /* v V 21 */ { 0x42,0x42,0x02,0x02 }, /* b B 22 */ { 0x4e,0x4e,0x0e,0x0e }, /* n N 23 */ { 0x4d,0x4d,0x0d,0x0d }, /* m M 24 */ { 0x2c,0x3c,0x2c,0x3c }, /* , < 25 */ { 0x2e,0x3e,0x2e,0x3e }, /* . > 26 */ { 0x2f,0x3f,0x2f,0x3f }, /* / ? 27 */ { 0x53,0x53,0x13,0x13 }, /* s S 28 */ { 0x32,0x40,0x32,0x00 }, /* 2 @ 29 */ { 0x31,0x21,0x31,0x31 }, /* 1 ! 2a */ { 0x9b,0x9b,0x9b,0x9b }, /* Escape 2b */ { 0x41,0x41,0x01,0x01 }, /* a A 2c */ { 0x20,0x20,0x20,0x20 }, /* Space 2d */ { 0x27,0x22,0x27,0x22 }, /* ' " 2e */ { 0x00,0x00,0x00,0x00 }, /* 0x2f unused */ { 0x00,0x00,0x00,0x00 }, /* 0x30 unused */ { 0x0d,0x0d,0x0d,0x0d }, /* Enter 31 */ }; WRITE_LINE_MEMBER(laser3k_state::ay3600_data_ready_w) { if (state == ASSERT_LINE) { int mod = 0; m_lastchar = m_ay3600->b_r(); mod = (m_kbspecial->read() & 0x06) ? 0x01 : 0x00; mod |= (m_kbspecial->read() & 0x08) ? 0x02 : 0x00; // printf("lastchar = %02x\n", m_lastchar & 0x3f); m_transchar = key_remap[m_lastchar&0x3f][mod]; if (m_transchar != 0) { m_strobe = 0x80; // printf("new char = %04x (%02x)\n", m_lastchar&0x3f, m_transchar); } } } /*************************************************************************** INPUT PORTS ***************************************************************************/ static INPUT_PORTS_START( laser3k ) PORT_START("X0") PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') PORT_START("X1") PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q') PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w') PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e') PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r') PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t') PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y') PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u') PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i') PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o') PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p') PORT_START("X2") PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d') PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f') PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g') PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h') PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j') PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k') PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l') PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT) PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) PORT_START("X3") PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z') PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x') PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c') PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v') PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b') PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n') PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m') PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') PORT_START("X4") PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s') PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"') PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CODE(KEYCODE_ESC) PORT_CHAR(27) PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a') PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('\"') PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_START("X5") PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_START("X6") PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_START("X7") PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_START("X8") PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_START("keyb_special") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Left Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Right Shift") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Control") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RESET") PORT_CODE(KEYCODE_F12) INPUT_PORTS_END // this is an apple II palette; it seems more likely the // actual laser3000 has a digital RGB palette... static constexpr rgb_t laser3k_pens[] = { { 0x00, 0x00, 0x00 }, // Black { 0xe3, 0x1e, 0x60 }, // Dark Red { 0x60, 0x4e, 0xbd }, // Dark Blue { 0xff, 0x44, 0xfd }, // Purple { 0x00, 0xa3, 0x60 }, // Dark Green { 0x9c, 0x9c, 0x9c }, // Dark Gray { 0x14, 0xcf, 0xfd }, // Medium Blue { 0xd0, 0xc3, 0xff }, // Light Blue { 0x60, 0x72, 0x03 }, // Brown { 0xff, 0x6a, 0x3c }, // Orange { 0x9c, 0x9c, 0x9c }, // Light Grey { 0xff, 0xa0, 0xd0 }, // Pink { 0x14, 0xf5, 0x3c }, // Light Green { 0xd0, 0xdd, 0x8d }, // Yellow { 0x72, 0xff, 0xd0 }, // Aquamarine { 0xff, 0xff, 0xff } // White }; /* Initialize the palette */ void laser3k_state::laser3k_palette(palette_device &palette) const { palette.set_pen_colors(0, laser3k_pens); } void laser3k_state::laser3k(machine_config &config) { /* basic machine hardware */ M6502(config, m_maincpu, 1021800); m_maincpu->set_addrmap(AS_PROGRAM, &laser3k_state::laser3k_map); SCREEN(config, m_screen, SCREEN_TYPE_RASTER); m_screen->set_refresh_hz(50); m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ m_screen->set_size(300*2, 192); m_screen->set_visarea(0, (280*2)-1,0,192-1); m_screen->set_screen_update(FUNC(laser3k_state::screen_update)); m_screen->set_palette("palette"); PALETTE(config, "palette", FUNC(laser3k_state::laser3k_palette), ARRAY_LENGTH(laser3k_pens)); /* memory banking */ ADDRESS_MAP_BANK(config, "bank0").set_map(&laser3k_state::banks_map).set_options(ENDIANNESS_LITTLE, 8, 32, 0x4000); ADDRESS_MAP_BANK(config, "bank1").set_map(&laser3k_state::banks_map).set_options(ENDIANNESS_LITTLE, 8, 32, 0x4000); ADDRESS_MAP_BANK(config, "bank2").set_map(&laser3k_state::banks_map).set_options(ENDIANNESS_LITTLE, 8, 32, 0x4000); ADDRESS_MAP_BANK(config, "bank3").set_map(&laser3k_state::banks_map).set_options(ENDIANNESS_LITTLE, 8, 32, 0x4000); RAM(config, "mainram").set_default_size("192K"); /* the 8048 isn't dumped, so substitute modified real Apple II h/w */ AY3600(config, m_ay3600, 0); m_ay3600->x0().set_ioport("X0"); m_ay3600->x1().set_ioport("X1"); m_ay3600->x2().set_ioport("X2"); m_ay3600->x3().set_ioport("X3"); m_ay3600->x4().set_ioport("X4"); m_ay3600->x5().set_ioport("X5"); m_ay3600->x6().set_ioport("X6"); m_ay3600->x7().set_ioport("X7"); m_ay3600->x8().set_ioport("X8"); m_ay3600->shift().set(FUNC(laser3k_state::ay3600_shift_r)); m_ay3600->control().set(FUNC(laser3k_state::ay3600_control_r)); m_ay3600->data_ready().set(FUNC(laser3k_state::ay3600_data_ready_w)); /* sound hardware */ SPEAKER(config, "mono").front_center(); SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 1.00); SN76489(config, m_sn, 1020484).add_route(ALL_OUTPUTS, "mono", 0.50); } ROM_START(las3000) ROM_REGION(0x0800,"gfx1",0) ROM_LOAD ( "341-0036.chr", 0x0000, 0x0800, CRC(64f415c6) SHA1(f9d312f128c9557d9d6ac03bfad6c3ddf83e5659)) ROM_REGION(0x8000, "maincpu", 0) ROM_LOAD ( "las3000.rom", 0x0000, 0x8000, CRC(9c7aeb09) SHA1(3302adf41e258cf50210c19736948c8fa65e91de)) ROM_REGION(0x100, "fdc", 0) ROM_LOAD ( "l3kdisk.rom", 0x0000, 0x0100, CRC(2d4b1584) SHA1(989780b77e100598124df7b72663e5a31a3339c0)) ROM_END // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1983, las3000, 0, 0, laser3k, laser3k, laser3k_state, empty_init, "Video Technology", "Laser 3000", MACHINE_NOT_WORKING )