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r6507 Wednesday 2nd December, 2009 at 21:08:38 UTC by Miodrag Milanović
Fixed terminal keyboard problems with multiple key press

[src/mess/machine]

teleprinter.c terminal.c terminal.h

src/mess/machine/teleprinter.c

r6506	r6507
13	13	UINT8 buffer[TELEPRINTER_WIDTH*TELEPRINTER_HEIGHT];
14	14	UINT8 x_pos;
15	15	UINT8 last_code;
	16	UINT8 scan_line;
16	17	devcb_resolved_write8 teleprinter_keyboard_func;
17	18	};
18	19
r6506	r6507
242	243	static TIMER_CALLBACK(keyboard_callback)
243	244	{
244	245	teleprinter_state *term = get_safe_token(ptr);
245		term->last_code = terminal_keyboard_handler(machine, &term->teleprinter_keyboard_func, term->last_code);
	246	term->last_code = terminal_keyboard_handler(machine, &term->teleprinter_keyboard_func, term->last_code, &term->scan_line);
246	247	}
247	248
248	249	/***************************************************************************
r6506	r6507
299	300
300	301	teleprinter_clear(device);
301	302	term->last_code = 0;
	303	term->scan_line = 0;
302	304	}
303	305
304	306	/*-------------------------------------------------

src/mess/machine/terminal.c

r6506	r6507
13	13	UINT8 x_pos;
14	14	UINT8 y_pos;
15	15	UINT8 last_code;
	16	UINT8 scan_line;
16	17	devcb_resolved_write8 terminal_keyboard_func;
17	18	};
18	19
r6506	r6507
261	262	return 0;
262	263	}
263	264
264		UINT8 terminal_keyboard_handler(running_machine *machine, devcb_resolved_write8 *callback, UINT8 last_code)
	265	UINT8 terminal_keyboard_handler(running_machine *machine, devcb_resolved_write8 *callback, UINT8 last_code, UINT8 *scan_line)
265	266	{
266	267	static const char *const keynames[] = { "TERM_LINE0", "TERM_LINE1", "TERM_LINE2", "TERM_LINE3", "TERM_LINE4", "TERM_LINE5", "TERM_LINE6" };
267	268	int i;
r6506	r6507
271	272	UINT8 shift = BIT(input_port_read(machine, "TERM_LINEC"),1);
272	273	UINT8 caps  = BIT(input_port_read(machine, "TERM_LINEC"),2);
273	274	UINT8 ctrl  = BIT(input_port_read(machine, "TERM_LINEC"),0);
274		for(i = 0; i < 7; i++)
	275	i = *scan_line;
275	276	{
276
277	277	code =    input_port_read(machine, keynames[i]);
278	278	if (code != 0)
279	279	{
r6506	r6507
347	347	if (last_code != key_code ) {
348	348	devcb_call_write8(callback, 0, key_code);
349	349	}
350		retVal = key_code;
	350	retVal = key_code;
	351	} else {
	352	*scan_line += 1;
	353	if (*scan_line==7) {
	354	*scan_line = 0;
	355	}
351	356	}
352	357	}
353	358	return retVal;
r6506	r6507
356	361	static TIMER_CALLBACK(keyboard_callback)
357	362	{
358	363	terminal_state *term = get_safe_token(ptr);
359		term->last_code = terminal_keyboard_handler(machine, &term->terminal_keyboard_func, term->last_code);
	364	term->last_code = terminal_keyboard_handler(machine, &term->terminal_keyboard_func, term->last_code, &term->scan_line);
360	365	}
361	366
362	367	/***************************************************************************
r6506	r6507
399	404	const terminal_interface *intf = get_interface(device);
400	405
401	406	devcb_resolve_write8(&term->terminal_keyboard_func, &intf->terminal_keyboard_func, device);
402		timer_pulse(device->machine, ATTOTIME_IN_HZ(240), (void*)device, 0, keyboard_callback);
	407	timer_pulse(device->machine, ATTOTIME_IN_HZ(2400), (void*)device, 0, keyboard_callback);
403	408	}
404	409
405	410	/*-------------------------------------------------
r6506	r6507
411	416	terminal_state *term = get_safe_token(device);
412	417	terminal_clear(device);
413	418	term->last_code = 0;
	419	term->scan_line = 0;
414	420	}
415	421
416	422	/*-------------------------------------------------

src/mess/machine/terminal.h

r6506	r6507
44	44
45	45	INPUT_PORTS_EXTERN(generic_terminal);
46	46
47		UINT8 terminal_keyboard_handler(running_machine *machine, devcb_resolved_write8 *callback, UINT8 last_code);
	47	UINT8 terminal_keyboard_handler(running_machine *machine, devcb_resolved_write8 *callback, UINT8 last_code, UINT8 *scan_line);
48	48
49	49	#endif /* __TERMINAL_H__ */

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