Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-06-05 20:33:45 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

tek410x.cpp: Improve ROM mapping; add interrupts

Browse Source
This commit is contained in:
AJR 2021-05-15 11:18:50 -04:00
parent eb5fc0c483
commit abcd15cac4
1 changed files with 14 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
src/mame/drivers/tek410x.cpp
View File

@ -44,8 +44,6 @@ protected:
private:
u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
u8 even_port_r(offs_t offset);
void even_port_w(offs_t offset, u8 data);
u8 vpac_r(offs_t offset);
void tek4107a_io(address_map &map);
@ -54,18 +52,6 @@ private:
required_device<crt9007_device> m_vpac;
};
u8 tek4107a_state::even_port_r(offs_t offset)
{
if (!machine().side_effects_disabled())
logerror("%s: Read from port %02Xh\n", machine().describe_context(), offset << 1);
return 0;
}
void tek4107a_state::even_port_w(offs_t offset, u8 data)
{
logerror("%s: Write %02Xh to port %02Xh\n", machine().describe_context(), data, offset << 1);
}
u8 tek4107a_state::vpac_r(offs_t offset)
{
return m_vpac->read(offset + 0x20);
@ -75,15 +61,17 @@ u8 tek4107a_state::vpac_r(offs_t offset)
void tek4107a_state::tek4107a_mem(address_map &map)
{
map(0x00000, 0xbffff).ram();
map(0xc0000, 0xfffff).rom().region("firmware", 0);
map(0x00000, 0x7ffff).ram();
map(0x80000, 0xbffff).rom().region("firmware", 0);
map(0xf0000, 0xfffff).rom().region("firmware", 0x30000);
}
void tek4107a_state::tek4107a_io(address_map &map)
{
map(0x0000, 0x001f).rw(FUNC(tek4107a_state::even_port_r), FUNC(tek4107a_state::even_port_w)).umask16(0x00ff);
map(0x0000, 0x001f).rw("duart", FUNC(scn2681_device::read), FUNC(scn2681_device::write)).umask16(0xff00);
map(0x0000, 0x001f).rw("duart0", FUNC(scn2681_device::read), FUNC(scn2681_device::write)).umask16(0x00ff);
map(0x0000, 0x001f).rw("duart1", FUNC(scn2681_device::read), FUNC(scn2681_device::write)).umask16(0xff00);
map(0x0080, 0x00bf).r(FUNC(tek4107a_state::vpac_r)).w(m_vpac, FUNC(crt9007_device::write)).umask16(0x00ff);
map(0x00ce, 0x00cf).ram();
map(0x0100, 0x0107).rw("ppi", FUNC(i8255_device::read), FUNC(i8255_device::write)).umask16(0xff00);
}
@ -138,13 +126,19 @@ void tek4107a_state::tek4107a(machine_config &config)
screen.set_raw(25200000, 800, 0, 640, 525, 0, 480);
screen.set_screen_update(FUNC(tek4107a_state::screen_update));
SCN2681(config, "duart", 3686400);
scn2681_device &duart0(SCN2681(config, "duart0", 3686400));
duart0.irq_cb().set("maincpu", FUNC(i80186_cpu_device::int0_w));
duart0.outport_cb().set_inputline("maincpu", INPUT_LINE_NMI).bit(5).invert(); // RxRDYB
I8255(config, "ppi");
scn2681_device &duart1(SCN2681(config, "duart1", 3686400));
duart1.irq_cb().set("maincpu", FUNC(i80186_cpu_device::int2_w));
I8255(config, "ppi").in_pb_callback().set_constant(0x30);
CRT9007(config, m_vpac, 25200000 / 8);
m_vpac->set_screen("screen");
m_vpac->set_character_width(8);
m_vpac->int_callback().set("maincpu", FUNC(i80186_cpu_device::int1_w));
PALETTE(config, "palette").set_entries(64);
GFXDECODE(config, "gfxdecode", "palette", gfx_tek4107a);