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Amatic Multi Game System: Added the third 8255 PPI

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for any system. Need to set the ports. [Roberto Fresca]
This commit is contained in:
RobertoFresca 2017-12-20 23:44:03 -03:00
parent 72dc2e5ec7
commit 1ead1fb791
1 changed files with 4 additions and 9 deletions
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13
src/mame/drivers/amaticmg.cpp
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@ -661,6 +661,7 @@ static ADDRESS_MAP_START( amaticmg_portmap, AS_IO, 8, amaticmg_state )
// AM_RANGE(0x00, 0x00) AM_DEVREADWRITE("ppi8255_2", ppi8255_device, read, write)
// AM_RANGE(0x00, 0x00) AM_DEVWRITE("dac1", dac_byte_interface, write)
// AM_RANGE(0x00, 0x00) AM_DEVWRITE("dac2", dac_byte_interface, write)
AM_RANGE(0xe8, 0xeb) AM_DEVREADWRITE("ppi8255_2", i8255_device, read, write) // not sure if exist.
ADDRESS_MAP_END
static ADDRESS_MAP_START( amaticmg2_portmap, AS_IO, 8, amaticmg_state )
@ -673,21 +674,15 @@ static ADDRESS_MAP_START( amaticmg2_portmap, AS_IO, 8, amaticmg_state )
AM_RANGE(0x61, 0x61) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w) // 0f for mg_iii_vger_3.64_v_8309
AM_RANGE(0xc0, 0xc0) AM_WRITE(rombank_w)
AM_RANGE(0xe6, 0xe6) AM_WRITE(nmi_mask_w)
AM_RANGE(0xe8, 0xeb) AM_DEVREADWRITE("ppi8255_2", i8255_device, read, write)
ADDRESS_MAP_END
/*
Unknown R/W
-----------
*/
static ADDRESS_MAP_START( amaticmg4_portmap, AS_IO, 8, amaticmg_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
// ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("ppi8255_0", i8255_device, read, write)
AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("ppi8255_1", i8255_device, read, write)
AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE("ppi8255_2", i8255_device, read, write)
AM_RANGE(0x50, 0x51) AM_DEVWRITE("ymsnd", ym3812_device, write)
AM_RANGE(0x0e, 0x0e) AM_DEVWRITE("crtc", mc6845_device, address_w)
AM_RANGE(0x0f, 0x0f) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w)
@ -851,7 +846,7 @@ static MACHINE_CONFIG_START( amaticmg )
MCFG_I8255_IN_PORTB_CB(IOPORT("SW1"))
MCFG_I8255_OUT_PORTC_CB(WRITE8(amaticmg_state, out_c_w))
// MCFG_DEVICE_ADD("ppi8255_2", I8255A, 0)
MCFG_DEVICE_ADD("ppi8255_2", I8255A, 0) // MG4: 0x89 -> A:out; B:out; C(h):in; C(l):in.
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)