MESS SVN History

15994 Revisions

r5201 Friday 10th July, 2009 at 08:54:20 UTC by Curt Coder
[MPF1] Refactored to use new I8255A device.

[src/mess/drivers]

mpf1.c

src/mess/drivers/mpf1.c
r5200	r5201
26	26	*/
27	27
28	28	#include "driver.h"
29		#include "machine/8255~~ppi~~.h"
	29	#include "machine/i8255a.h"
30	30	#include "cpu/z80/z80.h"
31	31	#include "machine/z80ctc.h"
32	32	#include "machine/z80pio.h"
r5200	r5201
112	112	ADDRESS_MAP_GLOBAL_MASK(0xff)
113	113
114	114	// The 16 I/O port combinations for the 8255 (P8255A-5, 8628LLP, (c) 1981 AMD)
115		AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("ppi8255", ppi8255_r, ppi8255_w) AM_MIRROR(0x3C)
	115	AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("ppi8255", i8255a_r, i8255a_w) AM_MIRROR(0x3C)
116	116
117	117	// TODO: create drivers to emulate the following two chips
118	118	// The 16 I/O port combinations for the CTC (Zilog, Z0843004PSC, Z80 CTC, 8644)
r5200	r5201
426	426
427	427
428	428
429		static ~~const ppi~~8255_~~interface~~ ppi8255_intf =
	429	static I8255A_INTERFACE( ppi8255_intf )
430	430	{
431	431	DEVCB_HANDLER(mpf1_porta_r), /* Port A read */
432	432	DEVCB_HANDLER(mpf1_portb_r), /* Port B read */
r5200	r5201
463	463
464	464	MDRV_Z80PIO_ADD( "z80pio", mpf1_pio_intf )
465	465
466		MDRV_PPI8255_ADD( "ppi8255", ppi8255_intf )
	466	MDRV_I8255A_ADD( "ppi8255", ppi8255_intf )
467	467
468	468	// sound hardware
469	469	MDRV_SPEAKER_STANDARD_MONO("mono")
r5200	r5201
483	483
484	484	MDRV_Z80PIO_ADD( "z80pio", mpf1_pio_intf )
485	485
486		MDRV_PPI8255_ADD( "ppi8255", ppi8255_intf )
	486	MDRV_I8255A_ADD( "ppi8255", ppi8255_intf )
487	487
488	488	// sound hardware
489	489	MDRV_SPEAKER_STANDARD_MONO("mono")

15994 Revisions