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r7448 Tuesday 23rd February, 2010 at 12:37:12 UTC by Curt Coder
[TANDY2K] Added video logic.

[src/mess/drivers]	tandy2k.c
[src/mess/includes]	tandy2k.h
[src/mess/video]	crt9007.c crt9007.h

src/mess/video/crt9007.c

r7447	r7448
73	73	}
74	74
75	75	/*-------------------------------------------------
	76	crt9007_update - update screen
	77	-------------------------------------------------*/
	78
	79	void crt9007_update(running_device *device, bitmap_t *bitmap, const rectangle *cliprect)
	80	{
	81	}
	82
	83	/*-------------------------------------------------
76	84	DEVICE_START( crt9007 )
77	85	-------------------------------------------------*/
78	86

src/mess/video/crt9007.h

r7447	r7448
74	74	READ8_DEVICE_HANDLER( crt9007_r );
75	75	WRITE8_DEVICE_HANDLER( crt9007_w );
76	76
	77	/* screen update */
	78	void crt9007_update(running_device *device, bitmap_t *bitmap, const rectangle *cliprect);
	79
77	80	#endif

src/mess/includes/tandy2k.h

r7447	r7448
31	31	/* PPI state */
32	32	int pb_sel;
33	33
	34	/* video state */
	35	UINT8 *hires_ram;
	36	UINT16 palette[16];
	37
34	38	/* sound state */
35	39	int outspkr;
36	40	int spkrdata;
r7447	r7448
41	45	running_device *fdc;
42	46	running_device *pic0;
43	47	running_device *pic1;
	48	running_device *crt;
44	49	running_device *centronics;
45	50	running_device *speaker;
46	51	};

src/mess/drivers/tandy2k.c

r7447	r7448
417	417
418	418	static VIDEO_START( tandy2k )
419	419	{
	420	tandy2k_state *state = (tandy2k_state *)machine->driver_data;
	421
	422	/* find devices */
	423	state->crt = devtag_get_device(machine, CRT9007_TAG);
420	424	}
421	425
422	426	static VIDEO_UPDATE( tandy2k )
423	427	{
424		return 0;
	428	tandy2k_state *state = (tandy2k_state *)screen->machine->driver_data;
	429
	430	crt9007_update(state->crt, bitmap, cliprect);
	431
	432	return 0;
425	433	}
426	434
	435	static WRITE_LINE_DEVICE_HANDLER( vidint11_w )
	436	{
	437	tandy2k_state *driver_state = (tandy2k_state *)device->machine->driver_data;
	438
	439	pic8259_set_irq_line(driver_state->pic1, 1, state);
	440	}
	441
427	442	static CRT9007_INTERFACE( crt9007_intf )
428	443	{
	444	DEVCB_LINE(vidint11_w),
429	445	DEVCB_NULL,
430	446	DEVCB_NULL,
431		DEVCB_NULL
	447	DEVCB_MEMORY_HANDLER(I80186_TAG, PROGRAM, memory_read_byte_16le)
432	448	};
433	449
434	450	/* Intel 8251A Interface */
r7447	r7448
774	790	MDRV_CPU_MODIFY(I80186_TAG)
775	791	MDRV_CPU_IO_MAP(tandy2k_hd_io)
776	792
777		/* Tandom TM502 hard disk */
	793	/* Tandon TM502 hard disk */
778	794	//MDRV_WD1010_ADD(WD1010_TAG, wd1010_intf)
779	795	MACHINE_DRIVER_END
780	796

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