Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-20 15:32:45 +03:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

roland_d50.cpp: Add banking (nw)

Browse Source
This commit is contained in:
AJR 2020-03-21 23:08:33 -04:00
parent c0cc0bedc6
commit 6aef85534b
1 changed files with 28 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
src/mame/drivers/roland_d50.cpp
View File

@ -8,7 +8,9 @@
#include "emu.h"
#include "cpu/upd78k/upd78k3.h"
#include "machine/bankdev.h"
#include "machine/mb63h149.h"
#include "machine/nvram.h"
class roland_d50_state : public driver_device
{
@ -16,6 +18,7 @@ public:
roland_d50_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_eram(*this, "eram")
{
}
@ -25,22 +28,36 @@ public:
private:
void d50_mem_map(address_map &map);
void d550_mem_map(address_map &map);
void eram_map(address_map &map);
required_device<upd78312_device> m_maincpu;
required_device<address_map_bank_device> m_eram;
};
void roland_d50_state::d50_mem_map(address_map &map)
{
// Internal ROM is enabled at 0000–1FFF (+5V pullup on EA pin)
map(0x2000, 0xf3ff).rom().region("progrom", 0x2000); // TODO: banking?
map(0x2000, 0x7fff).rom().region("progrom", 0x2000);
map(0x8000, 0xbfff).m(m_eram, FUNC(address_map_bank_device::amap8));
map(0xc000, 0xdfff).ram();
map(0xf400, 0xf7ff).rw("keyscan", FUNC(mb63h149_device::read), FUNC(mb63h149_device::write));
}
void roland_d50_state::d550_mem_map(address_map &map)
{
// Internal ROM is enabled at 0000–1FFF (+5V pullup on EA pin)
map(0x2000, 0xfdff).rom().region("progrom", 0x2000); // TODO: banking?
map(0x2000, 0x7fff).rom().region("progrom", 0x2000);
map(0x8000, 0xbfff).m(m_eram, FUNC(address_map_bank_device::amap8));
map(0xc000, 0xdfff).ram();
}
void roland_d50_state::eram_map(address_map &map)
{
map(0x00000, 0x07fff).ram().share("toneram");
//map(0x08000, 0x0ffff).rw(FUNC(roland_d50_state::memcard_r), FUNC(roland_d50_state::memcard_w));
map(0x10000, 0x13fff).mirror(0x4000).rom().region("progrom", 0x8000);
map(0x18000, 0x1bfff).mirror(0x4000).rom().region("progrom", 0xc000);
}
@ -53,6 +70,15 @@ void roland_d50_state::d50(machine_config &config)
UPD78312(config, m_maincpu, 12_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &roland_d50_state::d50_mem_map);
ADDRESS_MAP_BANK(config, m_eram);
m_eram->set_addrmap(0, &roland_d50_state::eram_map);
m_eram->set_data_width(8);
m_eram->set_endianness(ENDIANNESS_LITTLE);
m_eram->set_addr_width(17);
m_eram->set_stride(0x4000);
NVRAM(config, "toneram", nvram_device::DEFAULT_ALL_0); // HM62256LP-12 + battery
// LCD unit is LM402802 (D-50) or LM402551 (D-550)
MB63H149(config, "keyscan", 32.768_MHz_XTAL / 2); // on Dyna Scan Board