diff options
Diffstat (limited to 'src/mame/drivers/ngen.cpp')
-rw-r--r-- | src/mame/drivers/ngen.cpp | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/src/mame/drivers/ngen.cpp b/src/mame/drivers/ngen.cpp index ce19cf400b1..69b0aa89331 100644 --- a/src/mame/drivers/ngen.cpp +++ b/src/mame/drivers/ngen.cpp @@ -860,16 +860,18 @@ void ngen_state::machine_reset() } // boot ROMs from modules are not mapped anywhere, instead, they have to send the code from the boot ROM via DMA -ADDRESS_MAP_START(ngen_state::ngen_mem) - AM_RANGE(0x00000, 0xf7fff) AM_RAM - AM_RANGE(0xf8000, 0xf9fff) AM_RAM AM_SHARE("vram") - AM_RANGE(0xfa000, 0xfbfff) AM_RAM AM_SHARE("fontram") - AM_RANGE(0xfc000, 0xfcfff) AM_RAM - AM_RANGE(0xfe000, 0xfffff) AM_ROM AM_REGION("bios",0) -ADDRESS_MAP_END +void ngen_state::ngen_mem(address_map &map) +{ + map(0x00000, 0xf7fff).ram(); + map(0xf8000, 0xf9fff).ram().share("vram"); + map(0xfa000, 0xfbfff).ram().share("fontram"); + map(0xfc000, 0xfcfff).ram(); + map(0xfe000, 0xfffff).rom().region("bios", 0); +} -ADDRESS_MAP_START(ngen_state::ngen_io) - AM_RANGE(0x0000, 0x0001) AM_READWRITE(xbus_r,xbus_w) +void ngen_state::ngen_io(address_map &map) +{ + map(0x0000, 0x0001).rw(this, FUNC(ngen_state::xbus_r), FUNC(ngen_state::xbus_w)); // Floppy/Hard disk module // AM_RANGE(0x0100, 0x0107) AM_DEVREADWRITE8("fdc",wd2797_t,read,write,0x00ff) // a guess for now @@ -880,7 +882,7 @@ ADDRESS_MAP_START(ngen_state::ngen_io) // 0x0120-0x012f - WD1010 Winchester disk controller (unemulated) // AM_RANGE(0x0130, 0x0137) AM_DEVREADWRITE8("hdc_timer",pit8253_device,read,write,0x00ff) -ADDRESS_MAP_END +} ADDRESS_MAP_START(ngen_state::ngen386_mem) AM_RANGE(0x00000000, 0x000f7fff) AM_RAM |