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077efbe873
mame/src/mess/machine/terminal.c

554 lines
24 KiB
C
Raw Blame History

#include "machine/terminal.h"
/***************************************************************************
IMPLEMENTATION
***************************************************************************/
static const UINT8 terminal_font[256*16] =
{
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0x00, 0x00, 0x00, 0x82, 0x82, 0x44, 0x28, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x82, 0x82, 0x92, 0xaa, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x84, 0x48, 0x30, 0x48, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x84, 0x84, 0x8c, 0x74, 0x04, 0x84, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xfe, 0x04, 0x18, 0x20, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x0e, 0x10, 0x10, 0x60, 0x10, 0x10, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x10, 0x10, 0x10, 0x00, 0x00, 0x10, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xe0, 0x10, 0x10, 0x0c, 0x10, 0x10, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x62, 0x92, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
generic_terminal_device::generic_terminal_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, type, name, tag, owner, clock),
m_io_term_frame(*this, "TERM_FRAME"),
m_io_term_conf(*this, "TERM_CONF")
{
}
generic_terminal_device::generic_terminal_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, GENERIC_TERMINAL, "Generic Terminal", tag, owner, clock),
m_io_term_frame(*this, "TERM_FRAME"),
m_io_term_conf(*this, "TERM_CONF")
{
}
void generic_terminal_device::scroll_line()
{
memcpy(m_buffer,m_buffer+TERMINAL_WIDTH,(TERMINAL_HEIGHT-1)*TERMINAL_WIDTH);
memset(m_buffer + TERMINAL_WIDTH*(TERMINAL_HEIGHT-1),0x20,TERMINAL_WIDTH);
}
void generic_terminal_device::write_char(UINT8 data)
{
m_buffer[m_y_pos*TERMINAL_WIDTH+m_x_pos] = data;
m_x_pos++;
if (m_x_pos >= TERMINAL_WIDTH)
{
m_x_pos = 0;
m_y_pos++;
if (m_y_pos >= TERMINAL_HEIGHT)
{
scroll_line();
m_y_pos = TERMINAL_HEIGHT-1;
}
}
}
void generic_terminal_device::clear()
{
memset(m_buffer,0x20,TERMINAL_WIDTH*TERMINAL_HEIGHT);
m_x_pos = 0;
m_y_pos = 0;
}
void generic_terminal_device::term_write(UINT8 data)
{
if (data > 0x1f)
{
// printable char
if (data!=0x7f) write_char(data);
}
else
{
switch(data)
{
case 0x07 : // bell
break;
case 0x08: if (m_x_pos) m_x_pos--;
break;
case 0x09: m_x_pos = (m_x_pos & 0xf8) + 8;
if (m_x_pos >= TERMINAL_WIDTH)
m_x_pos = TERMINAL_WIDTH-1;
break;
case 0x0a: m_y_pos++;
m_x_pos = 0;
if (m_y_pos >= TERMINAL_HEIGHT)
{
scroll_line();
m_y_pos = TERMINAL_HEIGHT-1;
}
break;
case 0x0b: if (m_y_pos) m_y_pos--;
break;
case 0x0c: clear();
break;
case 0x0d: m_x_pos = 0;
break;
case 0x1e: m_x_pos = 0;
m_y_pos = 0;
break;
}
}
}
/***************************************************************************
VIDEO HARDWARE
***************************************************************************/
UINT32 generic_terminal_device::update(screen_device &device, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
UINT8 options = m_io_term_conf->read();
UINT16 cursor = m_y_pos * TERMINAL_WIDTH + m_x_pos;
UINT8 y,ra,chr,gfx;
UINT16 sy=0,ma=0,x;
UINT32 font_color;
switch (options & 0x30)
{
case 0x10:
font_color = 0x00ff7e00;
break;
case 0x20:
font_color = 0x00ffffff;
break;
default:
font_color = 0x0000ff00;
break;
}
m_framecnt++;
for (y = 0; y < TERMINAL_HEIGHT; y++)
{
for (ra = 0; ra < 10; ra++)
{
UINT32 *p = &bitmap.pix32(sy++);
for (x = ma; x < ma + TERMINAL_WIDTH; x++)
{
chr = m_buffer[x];
gfx = terminal_font[(chr<<4) | ra ];
if ((x == cursor) && (options & 1)) // at cursor position and want a cursor
{
if ((options & 2) || (ra == 9)) // block, or underline & at bottom line
{
if ((options & 4) && (m_framecnt & 8)) // want blink & time to blink
{
}
else
{
if (options & 8)
gfx ^= 0xff; // invert
else
gfx |= 0xff; // overwrite
}
}
}
/* Display a scanline of a character */
*p++ = (BIT( gfx, 7 ))?font_color:0;
*p++ = (BIT( gfx, 6 ))?font_color:0;
*p++ = (BIT( gfx, 5 ))?font_color:0;
*p++ = (BIT( gfx, 4 ))?font_color:0;
*p++ = (BIT( gfx, 3 ))?font_color:0;
*p++ = (BIT( gfx, 2 ))?font_color:0;
*p++ = (BIT( gfx, 1 ))?font_color:0;
*p++ = (BIT( gfx, 0 ))?font_color:0;
}
}
ma+=TERMINAL_WIDTH;
}
return 0;
}
void generic_terminal_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
}
WRITE8_MEMBER( generic_terminal_device::kbd_put )
{
if (data)
send_key(data);
}
static ASCII_KEYBOARD_INTERFACE( keyboard_intf )
{
DEVCB_DEVICE_MEMBER(DEVICE_SELF_OWNER, generic_terminal_device, kbd_put)
};
/***************************************************************************
VIDEO HARDWARE
***************************************************************************/
static MACHINE_CONFIG_FRAGMENT( generic_terminal )
MCFG_SCREEN_ADD(TERMINAL_SCREEN_TAG, RASTER)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
MCFG_SCREEN_SIZE(TERMINAL_WIDTH*8, TERMINAL_HEIGHT*10)
MCFG_SCREEN_VISIBLE_AREA(0, TERMINAL_WIDTH*8-1, 0, TERMINAL_HEIGHT*10-1)
MCFG_SCREEN_UPDATE_DEVICE(DEVICE_SELF, generic_terminal_device, update)
MCFG_ASCII_KEYBOARD_ADD(KEYBOARD_TAG, keyboard_intf)
MACHINE_CONFIG_END
machine_config_constructor generic_terminal_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME(generic_terminal);
}
void generic_terminal_device::device_start()
{
m_keyboard_func.resolve(m_keyboard_cb, *this);
m_timer = timer_alloc();
}
void generic_terminal_device::device_config_complete()
{
const terminal_interface *intf = reinterpret_cast<const terminal_interface *>(static_config());
if(intf != NULL)
{
*static_cast<terminal_interface *>(this) = *intf;
}
else
{
memset(&m_keyboard_cb, 0, sizeof(m_keyboard_cb));
}
}
void generic_terminal_device::device_reset()
{
clear();
m_framecnt = 0;
//m_timer->adjust(attotime::from_hz(2400), 0, attotime::from_hz(2400));
}
/*
Char Dec Oct Hex | Char Dec Oct Hex | Char Dec Oct Hex | Char Dec Oct Hex
-------------------------------------------------------------------------------------
(nul) 0 0000 0x00 | (sp) 32 0040 0x20 | @ 64 0100 0x40 | ` 96 0140 0x60
(soh) 1 0001 0x01 | ! 33 0041 0x21 | A 65 0101 0x41 | a 97 0141 0x61
(stx) 2 0002 0x02 | " 34 0042 0x22 | B 66 0102 0x42 | b 98 0142 0x62
(etx) 3 0003 0x03 | # 35 0043 0x23 | C 67 0103 0x43 | c 99 0143 0x63
(eot) 4 0004 0x04 | $ 36 0044 0x24 | D 68 0104 0x44 | d 100 0144 0x64
(enq) 5 0005 0x05 | % 37 0045 0x25 | E 69 0105 0x45 | e 101 0145 0x65
(ack) 6 0006 0x06 | & 38 0046 0x26 | F 70 0106 0x46 | f 102 0146 0x66
(bel) 7 0007 0x07 | ' 39 0047 0x27 | G 71 0107 0x47 | g 103 0147 0x67
(bs) 8 0010 0x08 | ( 40 0050 0x28 | H 72 0110 0x48 | h 104 0150 0x68
(ht) 9 0011 0x09 | ) 41 0051 0x29 | I 73 0111 0x49 | i 105 0151 0x69
(nl) 10 0012 0x0a | * 42 0052 0x2a | J 74 0112 0x4a | j 106 0152 0x6a
(vt) 11 0013 0x0b | + 43 0053 0x2b | K 75 0113 0x4b | k 107 0153 0x6b
(np) 12 0014 0x0c | , 44 0054 0x2c | L 76 0114 0x4c | l 108 0154 0x6c
(cr) 13 0015 0x0d | - 45 0055 0x2d | M 77 0115 0x4d | m 109 0155 0x6d
(so) 14 0016 0x0e | . 46 0056 0x2e | N 78 0116 0x4e | n 110 0156 0x6e
(si) 15 0017 0x0f | / 47 0057 0x2f | O 79 0117 0x4f | o 111 0157 0x6f
(dle) 16 0020 0x10 | 0 48 0060 0x30 | P 80 0120 0x50 | p 112 0160 0x70
(dc1) 17 0021 0x11 | 1 49 0061 0x31 | Q 81 0121 0x51 | q 113 0161 0x71
(dc2) 18 0022 0x12 | 2 50 0062 0x32 | R 82 0122 0x52 | r 114 0162 0x72
(dc3) 19 0023 0x13 | 3 51 0063 0x33 | S 83 0123 0x53 | s 115 0163 0x73
(dc4) 20 0024 0x14 | 4 52 0064 0x34 | T 84 0124 0x54 | t 116 0164 0x74
(nak) 21 0025 0x15 | 5 53 0065 0x35 | U 85 0125 0x55 | u 117 0165 0x75
(syn) 22 0026 0x16 | 6 54 0066 0x36 | V 86 0126 0x56 | v 118 0166 0x76
(etb) 23 0027 0x17 | 7 55 0067 0x37 | W 87 0127 0x57 | w 119 0167 0x77
(can) 24 0030 0x18 | 8 56 0070 0x38 | X 88 0130 0x58 | x 120 0170 0x78
(em) 25 0031 0x19 | 9 57 0071 0x39 | Y 89 0131 0x59 | y 121 0171 0x79
(sub) 26 0032 0x1a | : 58 0072 0x3a | Z 90 0132 0x5a | z 122 0172 0x7a
(esc) 27 0033 0x1b | ; 59 0073 0x3b | [ 91 0133 0x5b | { 123 0173 0x7b
(fs) 28 0034 0x1c | < 60 0074 0x3c | \ 92 0134 0x5c | | 124 0174 0x7c
(gs) 29 0035 0x1d | = 61 0075 0x3d | ] 93 0135 0x5d | } 125 0175 0x7d
(rs) 30 0036 0x1e | > 62 0076 0x3e | ^ 94 0136 0x5e | ~ 126 0176 0x7e
(us) 31 0037 0x1f | ? 63 0077 0x3f | _ 95 0137 0x5f | (del) 127 0177 0x7f
*/
static INPUT_PORTS_START( generic_terminal )
PORT_START("TERM_CONF")
PORT_CONFNAME( 0x01, 0x01, "Cursor")
PORT_CONFSETTING( 0x00, DEF_STR(No))
PORT_CONFSETTING( 0x01, DEF_STR(Yes))
PORT_CONFNAME( 0x02, 0x02, "Type")
PORT_CONFSETTING( 0x00, "Underline")
PORT_CONFSETTING( 0x02, "Block")
PORT_CONFNAME( 0x04, 0x04, "Blinking")
PORT_CONFSETTING( 0x00, DEF_STR(No))
PORT_CONFSETTING( 0x04, DEF_STR(Yes))
PORT_CONFNAME( 0x08, 0x08, "Invert")
PORT_CONFSETTING( 0x00, DEF_STR(No))
PORT_CONFSETTING( 0x08, DEF_STR(Yes))
PORT_CONFNAME( 0x30, 0x00, "Color")
PORT_CONFSETTING( 0x00, "Green")
PORT_CONFSETTING( 0x10, "Amber")
PORT_CONFSETTING( 0x20, "White")
INPUT_PORTS_END
ioport_constructor generic_terminal_device::device_input_ports() const
{
return INPUT_PORTS_NAME(generic_terminal);
}
const device_type GENERIC_TERMINAL = &device_creator<generic_terminal_device>;
static INPUT_PORTS_START(serial_terminal)
PORT_INCLUDE(generic_terminal)
PORT_START("TERM_FRAME")
PORT_CONFNAME(0x0f, 0x06, "Baud") PORT_CHANGED_MEMBER(DEVICE_SELF, serial_terminal_device, update_frame, 0)
PORT_CONFSETTING( 0x00, "150")
PORT_CONFSETTING( 0x01, "300")
PORT_CONFSETTING( 0x02, "600")
PORT_CONFSETTING( 0x03, "1200")
PORT_CONFSETTING( 0x04, "2400")
PORT_CONFSETTING( 0x05, "4800")
PORT_CONFSETTING( 0x06, "9600")
PORT_CONFSETTING( 0x07, "14400")
PORT_CONFSETTING( 0x08, "19200")
PORT_CONFSETTING( 0x09, "28800")
PORT_CONFSETTING( 0x0a, "38400")
PORT_CONFSETTING( 0x0b, "57600")
PORT_CONFSETTING( 0x0c, "115200")
PORT_CONFNAME(0x30, 0x00, "Format") PORT_CHANGED_MEMBER(DEVICE_SELF, serial_terminal_device, update_frame, 0)
PORT_CONFSETTING( 0x00, "8N1")
PORT_CONFSETTING( 0x10, "7E1")
INPUT_PORTS_END
ioport_constructor serial_terminal_device::device_input_ports() const
{
return INPUT_PORTS_NAME(serial_terminal);
}
serial_terminal_device::serial_terminal_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: generic_terminal_device(mconfig, SERIAL_TERMINAL, "Serial Terminal", tag, owner, clock),
device_serial_interface(mconfig, *this),
device_serial_port_interface(mconfig, *this)
{
}
void serial_terminal_device::device_config_complete()
{
const serial_terminal_interface *intf = reinterpret_cast<const serial_terminal_interface *>(static_config());
if(intf != NULL)
{
*static_cast<serial_terminal_interface *>(this) = *intf;
}
else
{
memset(&m_out_tx_cb, 0, sizeof(m_out_tx_cb));
}
m_shortname = "serial_terminal";
}
static int rates[] = {150, 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, 115200};
void serial_terminal_device::device_start()
{
int baud = clock();
if(!baud) baud = 9600;
m_owner = dynamic_cast<serial_port_device *>(owner());
m_out_tx_func.resolve(m_out_tx_cb, *this);
m_slot = m_owner && 1;
m_timer = timer_alloc();
set_rcv_rate(baud);
set_tra_rate(baud);
set_data_frame(8, 1, SERIAL_PARITY_NONE);
}
INPUT_CHANGED_MEMBER(serial_terminal_device::update_frame)
{
UINT8 val = m_io_term_frame->read();
set_tra_rate(rates[val & 0x0f]);
set_rcv_rate(rates[val & 0x0f]);
switch(val & 0x30)
{
case 0x10:
set_data_frame(7, 1, SERIAL_PARITY_EVEN);
break;
case 0x00:
default:
set_data_frame(8, 1, SERIAL_PARITY_NONE);
break;
}
}
void serial_terminal_device::device_reset()
{
generic_terminal_device::device_reset();
m_rbit = 1;
if(m_slot)
m_owner->out_rx(m_rbit);
else
m_out_tx_func(m_rbit);
}
void serial_terminal_device::send_key(UINT8 code)
{
if(is_transmit_register_empty())
{
transmit_register_setup(code);
return;
}
m_key_valid = true;
m_curr_key = code;
}
void serial_terminal_device::tra_callback()
{
m_rbit = transmit_register_get_data_bit();
if(m_slot)
m_owner->out_rx(m_rbit);
else
m_out_tx_func(m_rbit);
}
void serial_terminal_device::tra_complete()
{
if(m_key_valid)
{
transmit_register_setup(m_curr_key);
m_key_valid = false;
}
}
void serial_terminal_device::rcv_complete()
{
receive_register_extract();
term_write(get_received_char());
}
READ_LINE_MEMBER(serial_terminal_device::tx_r)
{
return m_rbit;
}
const device_type SERIAL_TERMINAL = &device_creator<serial_terminal_device>;
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