Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-26 02:07:14 +03:00
Code Issues Actions 15 Packages Projects Releases Wiki Activity

hazl1420: Add INS8250 (nw)

Browse Source
This commit is contained in:
AJR 2018-09-22 22:26:33 -04:00
parent 250c06a4d7
commit a9132c31a2
1 changed files with 27 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
src/mame/drivers/hazl1420.cpp
View File

@ -9,8 +9,9 @@
#include "emu.h"
//#include "bus/rs232/rs232.h"
#include "cpu/mcs48/mcs48.h"
#include "machine/bankdev.h"
//#include "machine/i8243.h"
//#include "machine/ins8250.h"
#include "machine/ins8250.h"
//#include "video/dp8350.h"
#include "screen.h"
@ -20,6 +21,7 @@ public:
hazl1420_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_bankdev(*this, "bankdev")
{
}
@ -29,15 +31,24 @@ protected:
virtual void machine_start() override;
private:
void p2_w(u8 data);
void prog_map(address_map &map);
void io_map(address_map &map);
void bank_map(address_map &map);
u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
required_device<mcs48_cpu_device> m_maincpu;
required_device<address_map_bank_device> m_bankdev;
//required_device_array<i8243_device, 2> m_ioexp;
};
void hazl1420_state::p2_w(u8 data)
{
m_bankdev->set_bank(data & 0x0f);
}
void hazl1420_state::prog_map(address_map &map)
{
map(0x000, 0xfff).rom().region("maincpu", 0);
@ -45,6 +56,13 @@ void hazl1420_state::prog_map(address_map &map)
void hazl1420_state::io_map(address_map &map)
{
map(0x00, 0xff).m(m_bankdev, FUNC(address_map_bank_device::amap8));
}
void hazl1420_state::bank_map(address_map &map)
{
map(0x800, 0x807).mirror(0x10).rw("ace", FUNC(ins8250_device::ins8250_r), FUNC(ins8250_device::ins8250_w));
map(0xc48, 0xc48).ram();
}
void hazl1420_state::machine_start()
@ -117,11 +135,18 @@ void hazl1420_state::hazl1420(machine_config &config)
I8049(config, m_maincpu, 11_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &hazl1420_state::prog_map);
m_maincpu->set_addrmap(AS_IO, &hazl1420_state::io_map);
m_maincpu->p2_out_cb().set(FUNC(hazl1420_state::p2_w));
ADDRESS_MAP_BANK(config, m_bankdev);
m_bankdev->set_addrmap(0, &hazl1420_state::bank_map);
m_bankdev->set_data_width(8);
m_bankdev->set_addr_width(12);
m_bankdev->set_stride(0x100);
//I8243(config, m_ioexp[0]);
//I8243(config, m_ioexp[1]);
//INS8250(config, "ace", 1'843'200);
INS8250(config, "ace", 1'843'200);
//DP8350(config, "crtc", 10.92_MHz_XTAL);