MESS SVN History

15994 Revisions

r3237 Friday 12th September, 2008 at 05:59:33 UTC by Miodrag Milanović
[RADIO86] Added new features to Mikrosha and Radio86 16K

src/mess/includes/radio86.h
r3236	r3237
17	17	extern DRIVER_INIT( radioram );
18	18	extern MACHINE_RESET( radio86 );
19	19
	20	extern READ8_HANDLER (radio_cpu_state_r );
	21
20	22	extern const ppi8255_interface radio86_ppi8255_interface_1;
21	23	extern const ppi8255_interface radio86_ppi8255_interface_2;
22	24	extern const ppi8255_interface rk7007_ppi8255_interface;

src/mess/machine/radio86.c
r3236	r3237
168	168
169	169	static UINT8 romdisk_lsb,romdisk_msb, disk_sel;
170	170
	171	READ8_HANDLER (radio_cpu_state_r )
	172	{
	173	return cpunum_get_reg(0, I8080_STATUS);
	174	}
	175
171	176	MACHINE_RESET( radio86 )
172	177	{
173	178	timer_set(ATTOTIME_IN_USEC(10), NULL, 0, radio86_reset);

src/mess/drivers/radio86.c
r3236	r3237
50	50	AM_RANGE( 0xf700, 0xf703 ) AM_DEVREADWRITE(PPI8255, "ppi8255_1", ppi8255_r, ppi8255_w)
51	51	AM_RANGE( 0xf780, 0xf7bf ) AM_DEVREADWRITE(I8275, "i8275", i8275_r, i8275_w) // video
52	52	AM_RANGE( 0xf684, 0xf687 ) AM_DEVREADWRITE(PPI8255, "ppi8255_2", ppi8255_r, ppi8255_w)
53		AM_RANGE( 0xf688, 0xf688 ) AM_WRITE( radio86_pagesel )
	53	AM_RANGE( 0xf688, 0xf688 ) AM_WRITE( radio86_pagesel )
54	54	AM_RANGE( 0xf800, 0xffff ) AM_DEVWRITE(DMA8257, "dma8257", dma8257_w) // DMA
55	55	AM_RANGE( 0xf800, 0xffff ) AM_ROM // System ROM page 1
56	56	ADDRESS_MAP_END
r3236	r3237
59	59	ADDRESS_MAP_UNMAP_HIGH
60	60	AM_RANGE( 0x0000, 0x0fff ) AM_RAMBANK(1) // First bank
61	61	AM_RANGE( 0x1000, 0x3fff ) AM_RAM // RAM
	62	AM_RANGE( 0x4000, 0x7fff ) AM_READ(radio_cpu_state_r)
62	63	AM_RANGE( 0x8000, 0x8003 ) AM_DEVREADWRITE(PPI8255, "ppi8255_1", ppi8255_r, ppi8255_w) AM_MIRROR(0x1ffc)
63	64	//AM_RANGE( 0xa000, 0xa003 ) AM_DEVREADWRITE(PPI8255, "ppi8255_2", ppi8255_r, ppi8255_w) AM_MIRROR(0x1ffc)
64	65	AM_RANGE( 0xc000, 0xc001 ) AM_DEVREADWRITE(I8275, "i8275", i8275_r, i8275_w) AM_MIRROR(0x1ffe) // video

src/mess/drivers/mikrosha.c
r3236	r3237
20	20	static ADDRESS_MAP_START(mikrosha_mem, ADDRESS_SPACE_PROGRAM, 8)
21	21	AM_RANGE( 0x0000, 0x0fff ) AM_RAMBANK(1) // First bank
22	22	AM_RANGE( 0x1000, 0x7fff ) AM_RAM // RAM
	23	AM_RANGE( 0x8000, 0xbfff ) AM_READ(radio_cpu_state_r)
23	24	AM_RANGE( 0xc000, 0xc003 ) AM_DEVREADWRITE(PPI8255, "ppi8255_1", ppi8255_r, ppi8255_w) AM_MIRROR(0x07fc)
24	25	AM_RANGE( 0xc800, 0xc803 ) AM_DEVREADWRITE(PPI8255, "ppi8255_2", ppi8255_r, ppi8255_w) AM_MIRROR(0x07fc)
25	26	AM_RANGE( 0xd000, 0xd001 ) AM_DEVREADWRITE(I8275, "i8275", i8275_r, i8275_w) AM_MIRROR(0x07fe) // video
26	27	//AM_RANGE( 0xd800, 0xd603 ) AM_MIRROR(0x07fc) // Timer
27		AM_RANGE( 0xf800, 0xffff ) AM_DEVWRITE(DMA8257, "dma8257", dma8257_w) // DMA
	28	AM_RANGE( 0xf800, 0xffff ) AM_DEVWRITE(DMA8257, "dma8257", dma8257_w) // DMA
28	29	AM_RANGE( 0xf800, 0xffff ) AM_ROM // System ROM
29	30	ADDRESS_MAP_END
30	31
	32	static ADDRESS_MAP_START( mikrosha_io , ADDRESS_SPACE_IO, 8)
	33	ADDRESS_MAP_UNMAP_HIGH
	34	AM_RANGE( 0x80, 0xbf ) AM_READ(radio_cpu_state_r)
	35	ADDRESS_MAP_END
	36
31	37	/* Input ports */
32	38	static INPUT_PORTS_START( mikrosha )
33	39	PORT_START("LINE0")
r3236	r3237
126	132	/* basic machine hardware */
127	133	MDRV_CPU_ADD("main", 8080, XTAL_16MHz / 9)
128	134	MDRV_CPU_PROGRAM_MAP(mikrosha_mem, 0)
	135	MDRV_CPU_IO_MAP(mikrosha_io, 0)
129	136	MDRV_MACHINE_RESET( radio86 )
130	137
131	138	MDRV_DEVICE_ADD( "ppi8255_1", PPI8255 )

15994 Revisions