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seibu/banprestoms.cpp: identify RTC in tvdenwad

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This commit is contained in:
angelosa 2022-11-04 05:46:29 +01:00
parent 5adcecc1db
commit 0000f9e0bd
1 changed files with 43 additions and 26 deletions
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69
src/mame/seibu/banprestoms.cpp
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@ -32,6 +32,7 @@ TODO:
- verify Oki banking (needs someone who understands Japanese to check if speech makes sense when it gets called)
- lamps
- controls / dips need to be completed and better arranged
- identify and hookup RTC
*/
#include "emu.h"
@ -54,15 +55,15 @@ namespace {
class banprestoms_state : public driver_device
{
public:
banprestoms_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
m_ticket(*this, "ticket"),
m_vram(*this, "vram%u", 0U),
m_spriteram(*this, "sprite_ram"),
m_okibank(*this, "okibank")
banprestoms_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_gfxdecode(*this, "gfxdecode")
, m_palette(*this, "palette")
, m_ticket(*this, "ticket")
, m_vram(*this, "vram%u", 0U)
, m_spriteram(*this, "sprite_ram")
, m_okibank(*this, "okibank")
{ }
void banprestoms(machine_config &config);
@ -241,23 +242,39 @@ void banprestoms_state::layer_scroll_w(offs_t offset, uint16_t data, uint16_t me
void banprestoms_state::prg_map(address_map &map)
{
map(0x00000, 0x3ffff).rom().region("maincpu", 0);
map(0x80000, 0x807ff).ram().share("nvram");
map(0x80800, 0x80fff).ram().w(FUNC(banprestoms_state::vram_w<0>)).share(m_vram[0]);
map(0x81000, 0x817ff).ram().w(FUNC(banprestoms_state::vram_w<1>)).share(m_vram[1]);
map(0x81800, 0x81fff).ram().w(FUNC(banprestoms_state::vram_w<2>)).share(m_vram[2]);
map(0x82000, 0x82fff).ram().w(FUNC(banprestoms_state::vram_w<3>)).share(m_vram[3]);
map(0x83000, 0x837ff).ram().w(m_palette, FUNC(palette_device::write16)).share("palette");
map(0x83800, 0x83fff).ram().share(m_spriteram);
map(0xa0001, 0xa0001).rw("oki", FUNC(okim6295_device::read), FUNC(okim6295_device::write));
map(0xc0000, 0xc004f).rw("crtc", FUNC(seibu_crtc_device::read), FUNC(seibu_crtc_device::write));
map(0xc0080, 0xc0081).nopw(); // CRTC related ?
map(0xc00c0, 0xc00c1).nopw(); // CRTC related ?
map(0xc0100, 0xc0101).w(FUNC(banprestoms_state::okibank_w));
//map(0xc0140, 0xc0141).nopw(); // in marioun bit 3 is lamp according to test mode
map(0xe0000, 0xe0001).portr("DSW1");
map(0xe0002, 0xe0003).portr("IN1");
map(0xe0004, 0xe0005).portr("IN2");
map(0x000000, 0x03ffff).rom().region("maincpu", 0);
map(0x080000, 0x0807ff).ram().share("nvram");
map(0x080800, 0x080fff).ram().w(FUNC(banprestoms_state::vram_w<0>)).share(m_vram[0]);
map(0x081000, 0x0817ff).ram().w(FUNC(banprestoms_state::vram_w<1>)).share(m_vram[1]);
map(0x081800, 0x081fff).ram().w(FUNC(banprestoms_state::vram_w<2>)).share(m_vram[2]);
map(0x082000, 0x082fff).ram().w(FUNC(banprestoms_state::vram_w<3>)).share(m_vram[3]);
map(0x083000, 0x0837ff).ram().w(m_palette, FUNC(palette_device::write16)).share("palette");
map(0x083800, 0x083fff).ram().share(m_spriteram);
map(0x0a0001, 0x0a0001).rw("oki", FUNC(okim6295_device::read), FUNC(okim6295_device::write));
map(0x0c0000, 0x0c004f).rw("crtc", FUNC(seibu_crtc_device::read), FUNC(seibu_crtc_device::write));
map(0x0c0080, 0x0c0081).nopw(); // CRTC related ?
map(0x0c00c0, 0x0c00c1).nopw(); // CRTC related ?
map(0x0c0100, 0x0c0101).w(FUNC(banprestoms_state::okibank_w));
// map(0x0c0140, 0x0c0141).nopw(); // in marioun bit 3 is lamp according to test mode
map(0x0e0000, 0x0e0001).portr("DSW1");
map(0x0e0002, 0x0e0003).portr("IN1");
map(0x0e0004, 0x0e0005).portr("IN2");
// Expects a '1' when entering RTC test (RTC ready line?)
map(0x0e0006, 0x0e0007).lr8(NAME([this](offs_t offset) { return 1; }));
/*
* Unknown RTC type (service mode in tvdenwad -> first item)
* 4-bit access, in lower/upper digit fashion
* [0-2] seconds
* [4-6] minutes
* [8-a] hours
* [c] weekday?
* [e-0x10] day
* [0x12-0x14] month
* [0x16-0x18] year
* [0x1a-0x1e] cleared on POST
*/
// map(0x100000, 0x10001f).ram();
}
void banprestoms_state::oki_map(address_map &map)