// 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/speaker.h"
#include "sound/sn76496.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_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")
{ }
required_device<m6502_device> m_maincpu;
required_device<ram_device> m_ram;
required_device<address_map_bank_device> m_bank0;
required_device<address_map_bank_device> m_bank1;
required_device<address_map_bank_device> m_bank2;
required_device<address_map_bank_device> m_bank3;
required_device<ay3600_device> m_ay3600;
required_device<speaker_sound_device> m_speaker;
required_device<sn76489_device> m_sn;
required_ioport m_kbspecial;
READ8_MEMBER( ram_r );
WRITE8_MEMBER( ram_w );
READ8_MEMBER( io_r );
WRITE8_MEMBER( io_w );
READ8_MEMBER( io2_r );
virtual void machine_start() override;
virtual void machine_reset() override;
DECLARE_PALETTE_INIT(laser3k);
UINT32 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);
private:
UINT8 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 m_lastchar, m_strobe;
UINT8 m_transchar;
bool m_80col;
bool m_mix;
int m_gfxmode;
std::unique_ptr<UINT16[]> m_hires_artifact_map;
std::unique_ptr<UINT16[]> m_dhires_artifact_map;
void plot_text_character(bitmap_ind16 &bitmap, int xpos, int ypos, int xscale, UINT32 code, const UINT8 *textgfx_data, UINT32 textgfx_datalen);
void do_io(int offset);
};
/***************************************************************************
ADDRESS MAP
***************************************************************************/
static ADDRESS_MAP_START( laser3k_map, AS_PROGRAM, 8, laser3k_state )
AM_RANGE(0x0000, 0x3fff) AM_DEVICE("bank0", address_map_bank_device, amap8)
AM_RANGE(0x4000, 0x7fff) AM_DEVICE("bank1", address_map_bank_device, amap8)
AM_RANGE(0x8000, 0xbfff) AM_DEVICE("bank2", address_map_bank_device, amap8)
AM_RANGE(0xc000, 0xffff) AM_DEVICE("bank3", address_map_bank_device, amap8)
ADDRESS_MAP_END
static ADDRESS_MAP_START( banks_map, AS_PROGRAM, 8, laser3k_state )
AM_RANGE(0x00000, 0x2ffff) AM_READWRITE(ram_r, ram_w)
AM_RANGE(0x38000, 0x3bfff) AM_ROM AM_REGION("maincpu", 0)
AM_RANGE(0x3c000, 0x3c0ff) AM_READWRITE(io_r, io_w)
AM_RANGE(0x3c100, 0x3c1ff) AM_READ(io2_r)
AM_RANGE(0x3c200, 0x3ffff) AM_ROM AM_REGION("maincpu", 0x4200)
ADDRESS_MAP_END
void laser3k_state::machine_start()
{
static const UINT8 hires_artifact_color_table[] =
{
BLACK, PURPLE, GREEN, WHITE,
BLACK, BLUE, ORANGE, WHITE
};
static const UINT8 dhires_artifact_color_table[] =
{
BLACK, DKGREEN, BROWN, GREEN,
DKRED, DKGRAY, ORANGE, YELLOW,
DKBLUE, BLUE, GRAY, AQUA,
PURPLE, LTBLUE, PINK, WHITE
};
int i, j;
UINT16 c;
/* 2^3 dependent pixels * 2 color sets * 2 offsets */
m_hires_artifact_map = std::make_unique<UINT16[]>(8 * 2 * 2);
/* 2^4 dependent pixels */
m_dhires_artifact_map = std::make_unique<UINT16[]>(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 *rom = (UINT8 *)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 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(space, 0, 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 space.machine().first_screen()->hblank() ? 0x80 : 0x00;
case 0xc3: // v-blank status
return space.machine().first_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 code,
const UINT8 *textgfx_data, UINT32 textgfx_datalen)
{
int x, y, i;
int fg = m_fg_color;
int bg = m_bg_color;
const UINT8 *chardata;
UINT16 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 start_address;
UINT32 address;
UINT8 *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 = MAX(beginrow, cliprect.min_y - (cliprect.min_y % 8));
endrow = 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 *vram;
int row, col, b;
int offset;
UINT8 vram_row[42] ;
UINT16 v;
UINT16 *p;
UINT32 w;
UINT16 *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) vram_row[col+0] & 0x7f) << 0)
| (((UINT32) vram_row[col+1] & 0x7f) << 7)
| (((UINT32) 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 *vram;
int row, col, b;
int offset;
UINT8 vram_row[82];
UINT16 v;
UINT16 *p;
UINT32 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) vram_row[col+0] & 0x7f) << 0)
| (((UINT32) vram_row[col+1] & 0x7f) << 7)
| (((UINT32) 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 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 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 const rgb_t laser3k_palette[] =
{
rgb_t::black,
rgb_t(0xE3, 0x1E, 0x60), /* Dark Red */
rgb_t(0x60, 0x4E, 0xBD), /* Dark Blue */
rgb_t(0xFF, 0x44, 0xFD), /* Purple */
rgb_t(0x00, 0xA3, 0x60), /* Dark Green */
rgb_t(0x9C, 0x9C, 0x9C), /* Dark Gray */
rgb_t(0x14, 0xCF, 0xFD), /* Medium Blue */
rgb_t(0xD0, 0xC3, 0xFF), /* Light Blue */
rgb_t(0x60, 0x72, 0x03), /* Brown */
rgb_t(0xFF, 0x6A, 0x3C), /* Orange */
rgb_t(0x9C, 0x9C, 0x9C), /* Light Grey */
rgb_t(0xFF, 0xA0, 0xD0), /* Pink */
rgb_t(0x14, 0xF5, 0x3C), /* Light Green */
rgb_t(0xD0, 0xDD, 0x8D), /* Yellow */
rgb_t(0x72, 0xFF, 0xD0), /* Aquamarine */
rgb_t(0xFF, 0xFF, 0xFF) /* White */
};
/* Initialize the palette */
PALETTE_INIT_MEMBER(laser3k_state, laser3k)
{
palette.set_pen_colors(0, laser3k_palette, ARRAY_LENGTH(laser3k_palette));
}
static MACHINE_CONFIG_START( laser3k, laser3k_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M6502, 1021800)
MCFG_CPU_PROGRAM_MAP(laser3k_map)
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
MCFG_SCREEN_SIZE(300*2, 192)
MCFG_SCREEN_VISIBLE_AREA(0, (280*2)-1,0,192-1)
MCFG_SCREEN_UPDATE_DRIVER(laser3k_state, screen_update)
MCFG_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD("palette", ARRAY_LENGTH(laser3k_palette))
MCFG_PALETTE_INIT_OWNER(laser3k_state, laser3k)
/* memory banking */
MCFG_DEVICE_ADD("bank0", ADDRESS_MAP_BANK, 0)
MCFG_DEVICE_PROGRAM_MAP(banks_map)
MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_LITTLE)
MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
MCFG_ADDRESS_MAP_BANK_STRIDE(0x4000)
MCFG_DEVICE_ADD("bank1", ADDRESS_MAP_BANK, 0)
MCFG_DEVICE_PROGRAM_MAP(banks_map)
MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_LITTLE)
MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
MCFG_ADDRESS_MAP_BANK_STRIDE(0x4000)
MCFG_DEVICE_ADD("bank2", ADDRESS_MAP_BANK, 0)
MCFG_DEVICE_PROGRAM_MAP(banks_map)
MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_LITTLE)
MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
MCFG_ADDRESS_MAP_BANK_STRIDE(0x4000)
MCFG_DEVICE_ADD("bank3", ADDRESS_MAP_BANK, 0)
MCFG_DEVICE_PROGRAM_MAP(banks_map)
MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_LITTLE)
MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
MCFG_ADDRESS_MAP_BANK_STRIDE(0x4000)
MCFG_RAM_ADD("mainram")
MCFG_RAM_DEFAULT_SIZE("192K")
/* the 8048 isn't dumped, so substitute modified real Apple II h/w */
MCFG_DEVICE_ADD("ay3600", AY3600, 0)
MCFG_AY3600_MATRIX_X0(IOPORT("X0"))
MCFG_AY3600_MATRIX_X1(IOPORT("X1"))
MCFG_AY3600_MATRIX_X2(IOPORT("X2"))
MCFG_AY3600_MATRIX_X3(IOPORT("X3"))
MCFG_AY3600_MATRIX_X4(IOPORT("X4"))
MCFG_AY3600_MATRIX_X5(IOPORT("X5"))
MCFG_AY3600_MATRIX_X6(IOPORT("X6"))
MCFG_AY3600_MATRIX_X7(IOPORT("X7"))
MCFG_AY3600_MATRIX_X8(IOPORT("X8"))
MCFG_AY3600_SHIFT_CB(READLINE(laser3k_state, ay3600_shift_r))
MCFG_AY3600_CONTROL_CB(READLINE(laser3k_state, ay3600_control_r))
MCFG_AY3600_DATA_READY_CB(WRITELINE(laser3k_state, ay3600_data_ready_w))
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
MCFG_SOUND_ADD("sn76489", SN76489, 1020484)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_CONFIG_END
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 INIT COMPANY FULLNAME */
COMP( 1983, las3000, 0, 0, laser3k, laser3k, driver_device, 0, "Video Technology", "Laser 3000", MACHINE_NOT_WORKING )