Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-07-03 09:06:08 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

triviaes4: This board uses battery-backed NVRAM instead of X2212s (nw)

Browse Source
This commit is contained in:
AJR 2018-12-08 11:26:55 -05:00
parent 4345e8d455
commit a81080abfe
2 changed files with 19 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
src/mame/drivers/balsente.cpp
View File

@ -211,6 +211,7 @@ DIP locations verified for:
#include "cpu/z80/z80.h"
#include "cpu/m6809/m6809.h"
#include "cpu/m68000/m68000.h"
#include "machine/nvram.h"
#include "machine/watchdog.h"
#include "audio/sente6vb.h"
#include "machine/6821pia.h"
@ -318,9 +319,7 @@ void balsente_state::cpu1_triviamb_map(address_map &map)
map(0x03e0, 0x03e0).w("watchdog", FUNC(watchdog_timer_device::reset_w));
map(0x0800, 0x7fff).ram().w(FUNC(balsente_state::videoram_w)).share("videoram");
map(0x8000, 0x83ff).ram().w(m_palette, FUNC(palette_device::write8)).share("palette");
map(0x8800, 0x88ff).rw("nov0", FUNC(x2212_device::read), FUNC(x2212_device::write));
map(0x8900, 0x89ff).rw("nov1", FUNC(x2212_device::read), FUNC(x2212_device::write));
map(0x8a00, 0x8fff).ram();
map(0x8800, 0x8fff).ram().share("nvram");
map(0xa000, 0xbfff).bankr("bankab");
map(0xc000, 0xdfff).bankr("bankcd");
map(0xe000, 0xffff).bankr("bankef");
@ -1437,17 +1436,27 @@ void balsente_state::rescraid(machine_config &config)
void balsente_state::triviamb(machine_config &config)
{
balsente(config);
m_maincpu->set_addrmap(AS_PROGRAM, &balsente_state::cpu1_triviamb_map);
config.device_remove("outlatch");
config.device_remove("acia");
config.device_remove("audio6vb");
config.device_remove("nov0");
config.device_remove("nov1");
pia6821_device &pia(PIA6821(config, "pia"));
pia.cb2_handler().set("nov0", FUNC(x2212_device::recall));
pia.cb2_handler().append("nov1", FUNC(x2212_device::recall));
m_maincpu->set_clock(10_MHz_XTAL / 4);
m_maincpu->set_addrmap(AS_PROGRAM, &balsente_state::cpu1_triviamb_map);
mc6845_device &crtc(C6545_1(config, "crtc", 20000000 / 16)); // specific type unknown, but must allow VBLANK polling
NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); // HY6116AP-10 + battery (only 512x4 bits are actually saved)
pia6821_device &pia(PIA6821(config, "pia")); // Thomson EF6821P
pia.writepb_handler().set(FUNC(balsente_state::out0_w)).bit(0);
pia.writepb_handler().append(FUNC(balsente_state::out1_w)).bit(1);
pia.writepb_handler().append(FUNC(balsente_state::out2_w)).bit(2);
pia.writepb_handler().append(FUNC(balsente_state::out3_w)).bit(3);
pia.writepb_handler().append(FUNC(balsente_state::out4_w)).bit(4);
pia.writepb_handler().append(FUNC(balsente_state::out5_w)).bit(5);
pia.writepb_handler().append(FUNC(balsente_state::out6_w)).bit(6);
mc6845_device &crtc(C6545_1(config, "crtc", 10_MHz_XTAL / 8)); // specific type unknown, but must allow VBLANK polling
crtc.set_screen(nullptr);
crtc.set_show_border_area(false);
crtc.set_char_width(4);

2
src/mame/includes/balsente.h
View File

@ -198,7 +198,7 @@ private:
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
optional_device<ls259_device> m_outlatch;
required_device_array<x2212_device, 2> m_novram;
optional_device_array<x2212_device, 2> m_novram;
optional_device<acia6850_device> m_acia;
optional_shared_ptr<uint8_t> m_generic_paletteram_8;