904 lines
27 KiB
C
904 lines
27 KiB
C
/*
|
|
* 86Box A hypervisor and IBM PC system emulator that specializes in
|
|
* running old operating systems and software designed for IBM
|
|
* PC systems and compatibles from 1981 through fairly recent
|
|
* system designs based on the PCI bus.
|
|
*
|
|
* This file is part of the 86Box distribution.
|
|
*
|
|
* Implementation of the XT-style keyboard.
|
|
*
|
|
*
|
|
*
|
|
* Authors: Sarah Walker, <https://pcem-emulator.co.uk/>
|
|
* Miran Grca, <mgrca8@gmail.com>
|
|
* Fred N. van Kempen, <decwiz@yahoo.com>
|
|
* EngiNerd, <webmaster.crrc@yahoo.it>
|
|
*
|
|
* Copyright 2008-2019 Sarah Walker.
|
|
* Copyright 2016-2019 Miran Grca.
|
|
* Copyright 2017-2019 Fred N. van kempen.
|
|
* Copyright 2020 EngiNerd.
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
#define HAVE_STDARG_H
|
|
#include <wchar.h>
|
|
#include <86box/86box.h>
|
|
#include <86box/device.h>
|
|
#include "cpu.h"
|
|
#include <86box/timer.h>
|
|
#include <86box/fdd.h>
|
|
#include <86box/machine.h>
|
|
#include <86box/m_xt_t1000.h>
|
|
#include <86box/cassette.h>
|
|
#include <86box/io.h>
|
|
#include <86box/pic.h>
|
|
#include <86box/pit.h>
|
|
#include <86box/ppi.h>
|
|
#include <86box/mem.h>
|
|
#include <86box/rom.h>
|
|
#include <86box/sound.h>
|
|
#include <86box/snd_speaker.h>
|
|
#include <86box/video.h>
|
|
#include <86box/keyboard.h>
|
|
|
|
#define STAT_PARITY 0x80
|
|
#define STAT_RTIMEOUT 0x40
|
|
#define STAT_TTIMEOUT 0x20
|
|
#define STAT_LOCK 0x10
|
|
#define STAT_CD 0x08
|
|
#define STAT_SYSFLAG 0x04
|
|
#define STAT_IFULL 0x02
|
|
#define STAT_OFULL 0x01
|
|
|
|
/* Keyboard Types */
|
|
enum {
|
|
KBD_TYPE_PC81 = 0,
|
|
KBD_TYPE_PC82,
|
|
KBD_TYPE_XT82,
|
|
KBD_TYPE_XT86,
|
|
KBD_TYPE_COMPAQ,
|
|
KBD_TYPE_TANDY,
|
|
KBD_TYPE_TOSHIBA,
|
|
KBD_TYPE_VTECH,
|
|
KBD_TYPE_OLIVETTI,
|
|
KBD_TYPE_ZENITH,
|
|
KBD_TYPE_PRAVETZ,
|
|
KBD_TYPE_HYUNDAI,
|
|
KBD_TYPE_FE2010,
|
|
KBD_TYPE_XTCLONE
|
|
};
|
|
|
|
typedef struct xtkbd_t {
|
|
int want_irq;
|
|
int blocked;
|
|
int tandy;
|
|
|
|
uint8_t pa;
|
|
uint8_t pb;
|
|
uint8_t pd;
|
|
uint8_t cfg;
|
|
uint8_t clock;
|
|
uint8_t key_waiting;
|
|
uint8_t type;
|
|
uint8_t pravetz_flags;
|
|
uint8_t cpu_speed;
|
|
|
|
pc_timer_t send_delay_timer;
|
|
} xtkbd_t;
|
|
|
|
static uint8_t key_queue[16];
|
|
static int key_queue_start = 0;
|
|
static int key_queue_end = 0;
|
|
static int is_tandy = 0;
|
|
static int is_t1x00 = 0;
|
|
static int is_amstrad = 0;
|
|
|
|
#ifdef ENABLE_KEYBOARD_XT_LOG
|
|
int keyboard_xt_do_log = ENABLE_KEYBOARD_XT_LOG;
|
|
|
|
static void
|
|
kbd_log(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
if (keyboard_xt_do_log) {
|
|
va_start(ap, fmt);
|
|
pclog_ex(fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
}
|
|
#else
|
|
# define kbd_log(fmt, ...)
|
|
#endif
|
|
|
|
static uint8_t
|
|
get_fdd_switch_settings(void)
|
|
{
|
|
|
|
uint8_t fdd_count = 0;
|
|
|
|
for (uint8_t i = 0; i < FDD_NUM; i++) {
|
|
if (fdd_get_flags(i))
|
|
fdd_count++;
|
|
}
|
|
|
|
if (!fdd_count)
|
|
return 0x00;
|
|
else
|
|
return ((fdd_count - 1) << 6) | 0x01;
|
|
}
|
|
|
|
static uint8_t
|
|
get_videomode_switch_settings(void)
|
|
{
|
|
|
|
if (video_is_mda())
|
|
return 0x30;
|
|
else if (video_is_cga())
|
|
return 0x20; /* 0x10 would be 40x25 */
|
|
else
|
|
return 0x00;
|
|
}
|
|
|
|
static void
|
|
kbd_poll(void *priv)
|
|
{
|
|
xtkbd_t *kbd = (xtkbd_t *) priv;
|
|
|
|
timer_advance_u64(&kbd->send_delay_timer, 1000 * TIMER_USEC);
|
|
|
|
if (!(kbd->pb & 0x40) && (kbd->type != KBD_TYPE_TANDY))
|
|
return;
|
|
|
|
if (kbd->want_irq) {
|
|
kbd->want_irq = 0;
|
|
kbd->pa = kbd->key_waiting;
|
|
kbd->blocked = 1;
|
|
picint(2);
|
|
#ifdef ENABLE_KEYBOARD_XT_LOG
|
|
kbd_log("XTkbd: kbd_poll(): keyboard_xt : take IRQ\n");
|
|
#endif
|
|
}
|
|
|
|
if ((key_queue_start != key_queue_end) && !kbd->blocked) {
|
|
kbd->key_waiting = key_queue[key_queue_start];
|
|
kbd_log("XTkbd: reading %02X from the key queue at %i\n",
|
|
kbd->key_waiting, key_queue_start);
|
|
key_queue_start = (key_queue_start + 1) & 0x0f;
|
|
kbd->want_irq = 1;
|
|
}
|
|
}
|
|
|
|
static void
|
|
kbd_adddata(uint16_t val)
|
|
{
|
|
/* Test for T1000 'Fn' key (Right Alt / Right Ctrl) */
|
|
if (is_t1x00) {
|
|
if (keyboard_recv(0x138) || keyboard_recv(0x11d)) { /* 'Fn' pressed */
|
|
t1000_syskey(0x00, 0x04, 0x00); /* Set 'Fn' indicator */
|
|
switch (val) {
|
|
case 0x45: /* Num Lock => toggle numpad */
|
|
t1000_syskey(0x00, 0x00, 0x10);
|
|
break;
|
|
case 0x47: /* Home => internal display */
|
|
t1000_syskey(0x40, 0x00, 0x00);
|
|
break;
|
|
case 0x49: /* PgDn => turbo on */
|
|
t1000_syskey(0x80, 0x00, 0x00);
|
|
break;
|
|
case 0x4D: /* Right => toggle LCD font */
|
|
t1000_syskey(0x00, 0x00, 0x20);
|
|
break;
|
|
case 0x4F: /* End => external display */
|
|
t1000_syskey(0x00, 0x40, 0x00);
|
|
break;
|
|
case 0x51: /* PgDn => turbo off */
|
|
t1000_syskey(0x00, 0x80, 0x00);
|
|
break;
|
|
case 0x54: /* SysRQ => toggle window */
|
|
t1000_syskey(0x00, 0x00, 0x08);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
} else
|
|
t1000_syskey(0x04, 0x00, 0x00); /* Reset 'Fn' indicator */
|
|
}
|
|
|
|
key_queue[key_queue_end] = val;
|
|
kbd_log("XTkbd: %02X added to key queue at %i\n",
|
|
val, key_queue_end);
|
|
key_queue_end = (key_queue_end + 1) & 0x0f;
|
|
}
|
|
|
|
void
|
|
kbd_adddata_process(uint16_t val, void (*adddata)(uint16_t val))
|
|
{
|
|
uint8_t num_lock = 0;
|
|
uint8_t shift_states = 0;
|
|
|
|
if (!adddata)
|
|
return;
|
|
|
|
keyboard_get_states(NULL, &num_lock, NULL, NULL);
|
|
shift_states = keyboard_get_shift() & STATE_LSHIFT;
|
|
|
|
if (is_amstrad)
|
|
num_lock = !num_lock;
|
|
|
|
/* If NumLock is on, invert the left shift state so we can always check for
|
|
the the same way flag being set (and with NumLock on that then means it
|
|
is actually *NOT* set). */
|
|
if (num_lock)
|
|
shift_states ^= STATE_LSHIFT;
|
|
|
|
switch (val) {
|
|
case FAKE_LSHIFT_ON:
|
|
/* If NumLock is on, fake shifts are sent when shift is *NOT* presed,
|
|
if NumLock is off, fake shifts are sent when shift is pressed. */
|
|
if (shift_states) {
|
|
/* Send fake shift. */
|
|
adddata(num_lock ? 0x2a : 0xaa);
|
|
}
|
|
break;
|
|
case FAKE_LSHIFT_OFF:
|
|
if (shift_states) {
|
|
/* Send fake shift. */
|
|
adddata(num_lock ? 0xaa : 0x2a);
|
|
}
|
|
break;
|
|
default:
|
|
adddata(val);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
kbd_adddata_ex(uint16_t val)
|
|
{
|
|
kbd_adddata_process(val, kbd_adddata);
|
|
}
|
|
|
|
static void
|
|
kbd_write(uint16_t port, uint8_t val, void *priv)
|
|
{
|
|
xtkbd_t *kbd = (xtkbd_t *) priv;
|
|
uint8_t bit;
|
|
uint8_t set;
|
|
uint8_t new_clock;
|
|
|
|
switch (port) {
|
|
case 0x61: /* Keyboard Control Register (aka Port B) */
|
|
if (!(val & 0x80) || (kbd->type == KBD_TYPE_HYUNDAI)) {
|
|
new_clock = !!(val & 0x40);
|
|
if (!kbd->clock && new_clock) {
|
|
key_queue_start = key_queue_end = 0;
|
|
kbd->want_irq = 0;
|
|
kbd->blocked = 0;
|
|
kbd_adddata(0xaa);
|
|
}
|
|
}
|
|
|
|
kbd->pb = val;
|
|
if (!(kbd->pb & 0x80) || (kbd->type == KBD_TYPE_HYUNDAI))
|
|
kbd->clock = !!(kbd->pb & 0x40);
|
|
ppi.pb = val;
|
|
|
|
timer_process();
|
|
|
|
if (((kbd->type == KBD_TYPE_PC81) || (kbd->type == KBD_TYPE_PC82) ||
|
|
(kbd->type == KBD_TYPE_PRAVETZ)) && (cassette != NULL))
|
|
pc_cas_set_motor(cassette, (kbd->pb & 0x08) == 0);
|
|
|
|
speaker_update();
|
|
|
|
speaker_gated = val & 1;
|
|
speaker_enable = val & 2;
|
|
|
|
if (speaker_enable)
|
|
was_speaker_enable = 1;
|
|
pit_devs[0].set_gate(pit_devs[0].data, 2, val & 1);
|
|
|
|
if (val & 0x80) {
|
|
kbd->pa = 0;
|
|
kbd->blocked = 0;
|
|
picintc(2);
|
|
}
|
|
|
|
#ifdef ENABLE_KEYBOARD_XT_LOG
|
|
if ((kbd->type == KBD_TYPE_PC81) || (kbd->type == KBD_TYPE_PC82) || (kbd->type == KBD_TYPE_PRAVETZ))
|
|
kbd_log("XTkbd: Cassette motor is %s\n", !(val & 0x08) ? "ON" : "OFF");
|
|
#endif
|
|
break;
|
|
|
|
case 0x62: /* Switch Register (aka Port C) */
|
|
#ifdef ENABLE_KEYBOARD_XT_LOG
|
|
if ((kbd->type == KBD_TYPE_PC81) || (kbd->type == KBD_TYPE_PC82) || (kbd->type == KBD_TYPE_PRAVETZ))
|
|
kbd_log("XTkbd: Cassette IN is %i\n", !!(val & 0x10));
|
|
#endif
|
|
if (kbd->type == KBD_TYPE_FE2010) {
|
|
kbd_log("XTkbd: Switch register in is %02X\n", val);
|
|
if (!(kbd->cfg & 0x08))
|
|
kbd->pd = (kbd->pd & 0x30) | (val & 0xcf);
|
|
}
|
|
break;
|
|
|
|
case 0x63:
|
|
if (kbd->type == KBD_TYPE_FE2010) {
|
|
kbd_log("XTkbd: Configuration register in is %02X\n", val);
|
|
if (!(kbd->cfg & 0x08))
|
|
kbd->cfg = val;
|
|
}
|
|
break;
|
|
|
|
case 0xc0 ... 0xcf: /* Pravetz Flags */
|
|
kbd_log("XTkbd: Port %02X out: %02X\n", port, val);
|
|
if (kbd->type == KBD_TYPE_PRAVETZ) {
|
|
bit = (port >> 1) & 0x07;
|
|
set = (port & 0x01) << bit;
|
|
kbd->pravetz_flags = (kbd->pravetz_flags & ~(1 << bit)) | set;
|
|
}
|
|
break;
|
|
|
|
case 0x1f0:
|
|
kbd_log("XTkbd: Port %04X out: %02X\n", port, val);
|
|
if (kbd->type == KBD_TYPE_VTECH) {
|
|
kbd->cpu_speed = val;
|
|
cpu_dynamic_switch(kbd->cpu_speed >> 7);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static uint8_t
|
|
kbd_read(uint16_t port, void *priv)
|
|
{
|
|
const xtkbd_t *kbd = (xtkbd_t *) priv;
|
|
uint8_t ret = 0xff;
|
|
|
|
switch (port) {
|
|
case 0x60: /* Keyboard Data Register (aka Port A) */
|
|
if ((kbd->pb & 0x80) && ((kbd->type == KBD_TYPE_PC81) ||
|
|
(kbd->type == KBD_TYPE_PC82) || (kbd->type == KBD_TYPE_PRAVETZ) ||
|
|
(kbd->type == KBD_TYPE_XT82) || (kbd->type == KBD_TYPE_XT86) ||
|
|
(kbd->type == KBD_TYPE_XTCLONE) || (kbd->type == KBD_TYPE_COMPAQ) ||
|
|
(kbd->type == KBD_TYPE_ZENITH) || (kbd->type == KBD_TYPE_HYUNDAI) ||
|
|
(kbd->type == KBD_TYPE_VTECH))) {
|
|
if ((kbd->type == KBD_TYPE_PC81) || (kbd->type == KBD_TYPE_PC82) ||
|
|
(kbd->type == KBD_TYPE_XTCLONE) || (kbd->type == KBD_TYPE_COMPAQ) ||
|
|
(kbd->type == KBD_TYPE_PRAVETZ) || (kbd->type == KBD_TYPE_HYUNDAI))
|
|
ret = (kbd->pd & ~0x02) | (hasfpu ? 0x02 : 0x00);
|
|
else if ((kbd->type == KBD_TYPE_XT82) || (kbd->type == KBD_TYPE_XT86) ||
|
|
(kbd->type == KBD_TYPE_VTECH))
|
|
/* According to Ruud on the PCem forum, this is supposed to
|
|
return 0xFF on the XT. */
|
|
ret = 0xff;
|
|
else if (kbd->type == KBD_TYPE_ZENITH) {
|
|
/* Zenith Data Systems Z-151
|
|
* SW1 switch settings:
|
|
* bits 6-7: floppy drive number
|
|
* bits 4-5: video mode
|
|
* bit 2-3: base memory size
|
|
* bit 1: fpu enable
|
|
* bit 0: fdc enable
|
|
*/
|
|
ret = get_fdd_switch_settings();
|
|
|
|
ret |= get_videomode_switch_settings();
|
|
|
|
/* Base memory size should always be 64k */
|
|
ret |= 0x0c;
|
|
|
|
if (hasfpu)
|
|
ret |= 0x02;
|
|
}
|
|
} else
|
|
ret = kbd->pa;
|
|
break;
|
|
|
|
case 0x61: /* Keyboard Control Register (aka Port B) */
|
|
ret = kbd->pb;
|
|
break;
|
|
|
|
case 0x62: /* Switch Register (aka Port C) */
|
|
if (kbd->type == KBD_TYPE_FE2010) {
|
|
if (kbd->pb & 0x04) /* PB2 */
|
|
ret = (kbd->pd & 0x0d) | (hasfpu ? 0x02 : 0x00);
|
|
else
|
|
ret = kbd->pd >> 4;
|
|
} else if ((kbd->type == KBD_TYPE_PC81) || (kbd->type == KBD_TYPE_PC82) ||
|
|
(kbd->type == KBD_TYPE_PRAVETZ)) {
|
|
if (kbd->pb & 0x04) /* PB2 */
|
|
switch (mem_size + isa_mem_size) {
|
|
case 64:
|
|
case 48:
|
|
case 32:
|
|
case 16:
|
|
ret = 0x00;
|
|
break;
|
|
default:
|
|
ret = (((mem_size + isa_mem_size) - 64) / 32) & 0x0f;
|
|
break;
|
|
}
|
|
else
|
|
ret = (((mem_size + isa_mem_size) - 64) / 32) >> 4;
|
|
} else if ((kbd->type == KBD_TYPE_OLIVETTI) ||
|
|
(kbd->type == KBD_TYPE_ZENITH)) {
|
|
/* Olivetti M19 or Zenith Data Systems Z-151 */
|
|
if (kbd->pb & 0x04) /* PB2 */
|
|
ret = kbd->pd & 0xbf;
|
|
else
|
|
ret = kbd->pd >> 4;
|
|
} else {
|
|
if (kbd->pb & 0x08) /* PB3 */
|
|
ret = kbd->pd >> 4;
|
|
else
|
|
ret = (kbd->pd & 0x0d) | (hasfpu ? 0x02 : 0x00);
|
|
}
|
|
ret |= (ppispeakon ? 0x20 : 0);
|
|
|
|
/* This is needed to avoid error 131 (cassette error).
|
|
This is serial read: bit 5 = clock, bit 4 = data, cassette header is 256 x 0xff. */
|
|
if ((kbd->type == KBD_TYPE_PC81) || (kbd->type == KBD_TYPE_PC82) ||
|
|
(kbd->type == KBD_TYPE_PRAVETZ)) {
|
|
if (cassette == NULL)
|
|
ret |= (ppispeakon ? 0x10 : 0);
|
|
else
|
|
ret |= (pc_cas_get_inp(cassette) ? 0x10 : 0);
|
|
}
|
|
|
|
if (kbd->type == KBD_TYPE_TANDY)
|
|
ret |= (tandy1k_eeprom_read() ? 0x10 : 0);
|
|
break;
|
|
|
|
case 0x63: /* Keyboard Configuration Register (aka Port D) */
|
|
if ((kbd->type == KBD_TYPE_XT82) || (kbd->type == KBD_TYPE_XT86) ||
|
|
(kbd->type == KBD_TYPE_XTCLONE) || (kbd->type == KBD_TYPE_COMPAQ) ||
|
|
(kbd->type == KBD_TYPE_TOSHIBA) || (kbd->type == KBD_TYPE_HYUNDAI) ||
|
|
(kbd->type == KBD_TYPE_VTECH))
|
|
ret = kbd->pd;
|
|
break;
|
|
|
|
case 0xc0: /* Pravetz Flags */
|
|
if (kbd->type == KBD_TYPE_PRAVETZ)
|
|
ret = kbd->pravetz_flags;
|
|
kbd_log("XTkbd: Port %02X in : %02X\n", port, ret);
|
|
break;
|
|
|
|
case 0x1f0:
|
|
if (kbd->type == KBD_TYPE_VTECH)
|
|
ret = kbd->cpu_speed;
|
|
kbd_log("XTkbd: Port %04X in : %02X\n", port, ret);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
kbd_reset(void *priv)
|
|
{
|
|
xtkbd_t *kbd = (xtkbd_t *) priv;
|
|
|
|
kbd->want_irq = 0;
|
|
kbd->blocked = 0;
|
|
kbd->pa = 0x00;
|
|
kbd->pb = 0x00;
|
|
kbd->pravetz_flags = 0x00;
|
|
|
|
keyboard_scan = 1;
|
|
|
|
key_queue_start = 0;
|
|
key_queue_end = 0;
|
|
}
|
|
|
|
void
|
|
keyboard_set_is_amstrad(int ams)
|
|
{
|
|
is_amstrad = ams;
|
|
}
|
|
|
|
static void *
|
|
kbd_init(const device_t *info)
|
|
{
|
|
xtkbd_t *kbd;
|
|
|
|
kbd = (xtkbd_t *) calloc(1, sizeof(xtkbd_t));
|
|
|
|
io_sethandler(0x0060, 4,
|
|
kbd_read, NULL, NULL, kbd_write, NULL, NULL, kbd);
|
|
keyboard_send = kbd_adddata_ex;
|
|
kbd->type = info->local;
|
|
if (kbd->type == KBD_TYPE_VTECH)
|
|
kbd->cpu_speed = (!!cpu) << 2;
|
|
kbd_reset(kbd);
|
|
if (kbd->type == KBD_TYPE_PRAVETZ)
|
|
io_sethandler(0x00c0, 16,
|
|
kbd_read, NULL, NULL, kbd_write, NULL, NULL, kbd);
|
|
if (kbd->type == KBD_TYPE_VTECH)
|
|
io_sethandler(0x01f0, 1,
|
|
kbd_read, NULL, NULL, kbd_write, NULL, NULL, kbd);
|
|
|
|
key_queue_start = key_queue_end = 0;
|
|
|
|
video_reset(gfxcard[0]);
|
|
|
|
if ((kbd->type == KBD_TYPE_PC81) || (kbd->type == KBD_TYPE_PC82) ||
|
|
(kbd->type == KBD_TYPE_PRAVETZ) || (kbd->type == KBD_TYPE_XT82) ||
|
|
(kbd->type <= KBD_TYPE_XT86) || (kbd->type == KBD_TYPE_XTCLONE) ||
|
|
(kbd->type == KBD_TYPE_COMPAQ) || (kbd->type == KBD_TYPE_TOSHIBA) ||
|
|
(kbd->type == KBD_TYPE_OLIVETTI) || (kbd->type == KBD_TYPE_HYUNDAI) ||
|
|
(kbd->type == KBD_TYPE_VTECH) || (kbd->type == KBD_TYPE_FE2010)) {
|
|
/* DIP switch readout: bit set = OFF, clear = ON. */
|
|
if (kbd->type == KBD_TYPE_OLIVETTI)
|
|
/* Olivetti M19
|
|
* Jumpers J1, J2 - monitor type.
|
|
* 01 - mono (high-res)
|
|
* 10 - color (low-res, disables 640x400x2 mode)
|
|
* 00 - autoswitching
|
|
*/
|
|
kbd->pd |= 0x00;
|
|
else
|
|
/* Switches 7, 8 - floppy drives. */
|
|
kbd->pd = get_fdd_switch_settings();
|
|
|
|
/* Switches 5, 6 - video card type */
|
|
kbd->pd |= get_videomode_switch_settings();
|
|
|
|
/* Switches 3, 4 - memory size. */
|
|
if ((kbd->type == KBD_TYPE_XT86) || (kbd->type == KBD_TYPE_XTCLONE) ||
|
|
(kbd->type == KBD_TYPE_HYUNDAI) || (kbd->type == KBD_TYPE_COMPAQ) ||
|
|
(kbd->type == KBD_TYPE_TOSHIBA) || (kbd->type == KBD_TYPE_FE2010)) {
|
|
switch (mem_size) {
|
|
case 256:
|
|
kbd->pd |= 0x00;
|
|
break;
|
|
case 512:
|
|
kbd->pd |= 0x04;
|
|
break;
|
|
case 576:
|
|
kbd->pd |= 0x08;
|
|
break;
|
|
case 640:
|
|
default:
|
|
kbd->pd |= 0x0c;
|
|
break;
|
|
}
|
|
} else if ((kbd->type == KBD_TYPE_XT82) || (kbd->type == KBD_TYPE_VTECH)) {
|
|
switch (mem_size) {
|
|
case 64: /* 1x64k */
|
|
kbd->pd |= 0x00;
|
|
break;
|
|
case 128: /* 2x64k */
|
|
kbd->pd |= 0x04;
|
|
break;
|
|
case 192: /* 3x64k */
|
|
kbd->pd |= 0x08;
|
|
break;
|
|
case 256: /* 4x64k */
|
|
default:
|
|
kbd->pd |= 0x0c;
|
|
break;
|
|
}
|
|
} else if (kbd->type == KBD_TYPE_PC82) {
|
|
switch (mem_size) {
|
|
#ifdef PC82_192K_3BANK
|
|
case 192: /* 3x64k, not supported by stock BIOS due to bugs */
|
|
kbd->pd |= 0x08;
|
|
break;
|
|
#else
|
|
case 192: /* 2x64k + 2x32k */
|
|
#endif
|
|
case 64: /* 4x16k */
|
|
case 96: /* 2x32k + 2x16k */
|
|
case 128: /* 4x32k */
|
|
case 160: /* 2x64k + 2x16k */
|
|
case 224: /* 3x64k + 1x32k */
|
|
case 256: /* 4x64k */
|
|
default:
|
|
kbd->pd |= 0x0c;
|
|
break;
|
|
}
|
|
} else { /* really just the PC '81 */
|
|
switch (mem_size) {
|
|
case 16: /* 1x16k */
|
|
kbd->pd |= 0x00;
|
|
break;
|
|
case 32: /* 2x16k */
|
|
kbd->pd |= 0x04;
|
|
break;
|
|
case 48: /* 3x16k */
|
|
kbd->pd |= 0x08;
|
|
break;
|
|
case 64: /* 4x16k */
|
|
default:
|
|
kbd->pd |= 0x0c;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Switch 2 - 8087 FPU. */
|
|
if (hasfpu)
|
|
kbd->pd |= 0x02;
|
|
} else if (kbd->type == KBD_TYPE_ZENITH) {
|
|
/* Zenith Data Systems Z-151
|
|
* SW2 switch settings:
|
|
* bit 7: monitor frequency
|
|
* bits 5-6: autoboot (00-11 resident monitor, 10 hdd, 01 fdd)
|
|
* bits 0-4: installed memory
|
|
*/
|
|
kbd->pd = 0x20;
|
|
switch (mem_size) {
|
|
case 128:
|
|
kbd->pd |= 0x02;
|
|
break;
|
|
case 192:
|
|
kbd->pd |= 0x04;
|
|
break;
|
|
case 256:
|
|
kbd->pd |= 0x06;
|
|
break;
|
|
case 320:
|
|
kbd->pd |= 0x08;
|
|
break;
|
|
case 384:
|
|
kbd->pd |= 0x0a;
|
|
break;
|
|
case 448:
|
|
kbd->pd |= 0x0c;
|
|
break;
|
|
case 512:
|
|
kbd->pd |= 0x0e;
|
|
break;
|
|
case 576:
|
|
kbd->pd |= 0x10;
|
|
break;
|
|
case 640:
|
|
default:
|
|
kbd->pd |= 0x12;
|
|
break;
|
|
}
|
|
}
|
|
|
|
timer_add(&kbd->send_delay_timer, kbd_poll, kbd, 1);
|
|
|
|
is_tandy = (kbd->type == KBD_TYPE_TANDY);
|
|
is_t1x00 = (kbd->type == KBD_TYPE_TOSHIBA);
|
|
|
|
if (keyboard_type == KEYBOARD_TYPE_INTERNAL)
|
|
keyboard_set_table(scancode_xt);
|
|
else
|
|
keyboard_add_device();
|
|
|
|
is_amstrad = 0;
|
|
|
|
return kbd;
|
|
}
|
|
|
|
static void
|
|
kbd_close(void *priv)
|
|
{
|
|
xtkbd_t *kbd = (xtkbd_t *) priv;
|
|
|
|
/* Stop the timer. */
|
|
timer_disable(&kbd->send_delay_timer);
|
|
|
|
/* Disable scanning. */
|
|
keyboard_scan = 0;
|
|
|
|
keyboard_send = NULL;
|
|
|
|
io_removehandler(0x0060, 4,
|
|
kbd_read, NULL, NULL, kbd_write, NULL, NULL, kbd);
|
|
|
|
free(kbd);
|
|
}
|
|
|
|
const device_t kbc_pc_device = {
|
|
.name = "IBM PC Keyboard Controller (1981)",
|
|
.internal_name = "kbc_pc",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_PC81,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t kbc_pc82_device = {
|
|
.name = "IBM PC Keyboard Controller (1982)",
|
|
.internal_name = "kbc_pc82",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_PC82,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t kbc_pravetz_device = {
|
|
.name = "Pravetz Keyboard Controller",
|
|
.internal_name = "kbc_pravetz",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_PRAVETZ,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t kbc_xt_device = {
|
|
.name = "XT (1982) Keyboard Controller",
|
|
.internal_name = "kbc_xt",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_XT82,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t kbc_xt86_device = {
|
|
.name = "XT (1986) Keyboard Controller",
|
|
.internal_name = "kbc_xt86",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_XT86,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t kbc_xt_compaq_device = {
|
|
.name = "Compaq Portable Keyboard Controller",
|
|
.internal_name = "kbc_xt_compaq",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_COMPAQ,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t kbc_tandy_device = {
|
|
.name = "Tandy 1000 Keyboard Controller",
|
|
.internal_name = "kbc_tandy",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_TANDY,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t kbc_xt_t1x00_device = {
|
|
.name = "Toshiba T1x00 Keyboard Controller",
|
|
.internal_name = "kbc_xt_t1x00",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_TOSHIBA,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t kbc_xt_lxt3_device = {
|
|
.name = "VTech Laser Turbo XT Keyboard Controller",
|
|
.internal_name = "kbc_xt_lxt",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_VTECH,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t kbc_xt_olivetti_device = {
|
|
.name = "Olivetti XT Keyboard Controller",
|
|
.internal_name = "kbc_xt_olivetti",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_OLIVETTI,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t kbc_xt_zenith_device = {
|
|
.name = "Zenith XT Keyboard Controller",
|
|
.internal_name = "kbc_xt_zenith",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_ZENITH,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t kbc_xt_hyundai_device = {
|
|
.name = "Hyundai XT Keyboard Controller",
|
|
.internal_name = "kbc_xt_hyundai",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_HYUNDAI,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t kbc_xt_fe2010_device = {
|
|
.name = "Faraday FE2010 XT Keyboard Controller",
|
|
.internal_name = "kbc_xt_fe2010",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_FE2010,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t kbc_xtclone_device = {
|
|
.name = "XT (Clone) Keyboard Controller",
|
|
.internal_name = "kbc_xtclone",
|
|
.flags = 0,
|
|
.local = KBD_TYPE_XTCLONE,
|
|
.init = kbd_init,
|
|
.close = kbd_close,
|
|
.reset = kbd_reset,
|
|
.available = NULL,
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = NULL
|
|
};
|