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Amatic Multi Game System: Removed the third 8255 PPI

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from AMA-8000-1 system since only has two of them.
AMA-8000-2 and the new hardware for MGIV have three
PPI devices. [Roberto Fresca]
This commit is contained in:
RobertoFresca 2017-12-20 23:56:42 -03:00
parent 1ead1fb791
commit 4d2a28f6ee
1 changed files with 5 additions and 4 deletions
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9
src/mame/drivers/amaticmg.cpp
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@ -26,7 +26,7 @@
1x Unknown 40-pins IC (maybe 6845).
1x Altera EPM5130LC (84-pins).
1x KS82C55A (2x PPI).
1x KS82C55A (8255A PPI variant).
1x Unknown 40-pins IC (maybe another PPI).
1x Dallas DS1236-10 (micro manager).
@ -661,7 +661,6 @@ 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 )
@ -846,8 +845,6 @@ 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) // MG4: 0x89 -> A:out; B:out; C(h):in; C(l):in.
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
@ -887,6 +884,8 @@ static MACHINE_CONFIG_DERIVED( amaticmg2, amaticmg )
MCFG_CPU_IO_MAP(amaticmg2_portmap)
MCFG_CPU_VBLANK_INT_DRIVER("screen", amaticmg_state, amaticmg2_irq)
MCFG_DEVICE_ADD("ppi8255_2", I8255A, 0) // MG4: 0x89 -> A:out; B:out; C(h):in; C(l):in.
MCFG_SCREEN_MODIFY("screen")
MCFG_SCREEN_UPDATE_DRIVER(amaticmg_state, screen_update_amaticmg2)
@ -903,6 +902,8 @@ static MACHINE_CONFIG_DERIVED( amaticmg4, amaticmg )
MCFG_CPU_IO_MAP(amaticmg4_portmap)
MCFG_CPU_VBLANK_INT_DRIVER("screen", amaticmg_state, amaticmg2_irq)
MCFG_DEVICE_ADD("ppi8255_2", I8255A, 0) // MG4: 0x89 -> A:out; B:out; C(h):in; C(l):in.
MCFG_SCREEN_MODIFY("screen")
MCFG_SCREEN_UPDATE_DRIVER(amaticmg_state, screen_update_amaticmg2)