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drdmania: add some basics, still seems to do nothing of note (#7308)

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* drdmania: add some basics, still seems to do nothing of note

* there are clear signs this is just a bad dump anyway

* fix loading issue from refactor

* improve patches

* another bad byte
This commit is contained in:
David Haywood 2020-10-02 23:27:10 +01:00 committed by GitHub
parent ddb13a5861
commit c86741dea0
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 114 additions and 9 deletions
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123
src/mame/drivers/drdmania.cpp
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@ -57,6 +57,8 @@
#include "machine/nvram.h"
#include "sound/ay8910.h"
#include "screen.h"
#include "tilemap.h"
#include "emupal.h"
#include "speaker.h"
class drdmania_state : public driver_device
@ -65,39 +67,123 @@ public:
drdmania_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_screen(*this, "screen")
, m_gfxdecode(*this, "gfxdecode")
, m_fgram(*this, "fgram")
{
}
void drdmania(machine_config &config);
void init_drdmania();
protected:
virtual void video_start() override;
private:
void mem_map(address_map &map);
void io_map(address_map &map);
required_device<cpu_device> m_maincpu;
required_device<screen_device> m_screen;
required_device<gfxdecode_device> m_gfxdecode;
required_shared_ptr<uint8_t> m_fgram;
tilemap_t *m_fg_tilemap;
uint8_t unk_port00_r();
void fgram_w(offs_t offset, uint8_t data);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
};
void drdmania_state::mem_map(address_map &map)
{
map(0x0000, 0x7fff).rom().region("maincpu", 0);
map(0x0000, 0xbfff).rom().region("maincpu", 0x0000);
map(0xc000, 0xc7ff).ram(); // stack is here, but also writes ASCII strings as if it were a tilemap, but tile ROMs don't decode as ASCII
map(0xd000, 0xd3ff).ram().w(FUNC(drdmania_state::fgram_w)).share("fgram"); // vram? fills with value of blank tile
}
uint8_t drdmania_state::unk_port00_r()
{
return machine().rand();
}
void drdmania_state::io_map(address_map &map)
{
map(0x00, 0x00).r(FUNC(drdmania_state::unk_port00_r));
map.global_mask(0xff);
}
static INPUT_PORTS_START(drdmania)
INPUT_PORTS_END
static const gfx_layout tiles8x8_layout =
{
8,8,
RGN_FRAC(1,3),
3,
{ RGN_FRAC(0,3), RGN_FRAC(1,3), RGN_FRAC(2,3) },
{ 0, 1, 2, 3, 4, 5, 6, 7 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8*8
};
static GFXDECODE_START( gfxa )
GFXDECODE_ENTRY( "gfx1", 0, tiles8x8_layout, 0, 1 )
GFXDECODE_END
void drdmania_state::fgram_w(offs_t offset, uint8_t data)
{
m_fgram[offset] = data;
m_fg_tilemap->mark_tile_dirty(offset);
}
TILE_GET_INFO_MEMBER(drdmania_state::get_fg_tile_info)
{
int code = m_fgram[tile_index];
tileinfo.set(0,code,0,0);
}
void drdmania_state::video_start()
{
m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(drdmania_state::get_fg_tile_info)), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
}
uint32_t drdmania_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
m_fg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
return 0;
}
void drdmania_state::drdmania(machine_config &config)
{
Z80(config, m_maincpu, 18.432_MHz_XTAL / 4); // divider not verified
m_maincpu->set_addrmap(AS_PROGRAM, &drdmania_state::mem_map);
m_maincpu->set_addrmap(AS_IO, &drdmania_state::io_map);
m_maincpu->set_vblank_int("screen", FUNC(drdmania_state::irq0_line_hold));
//NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); // MK48Z02B-20
//SCREEN(config, "screen", SCREEN_TYPE_RASTER);
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
m_screen->set_refresh_hz(60);
m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(0));
m_screen->set_size(256, 256);
m_screen->set_visarea(0, 256-1, 0, 256-1);
m_screen->set_screen_update(FUNC(drdmania_state::screen_update));
GFXDECODE(config, m_gfxdecode, "palette", gfxa);
PALETTE(config, "palette").set_format(palette_device::xRGB_444, 0x100).set_endianness(ENDIANNESS_BIG);
SPEAKER(config, "mono").front_center();
@ -105,17 +191,36 @@ void drdmania_state::drdmania(machine_config &config)
}
ROM_START(drdmania)
ROM_REGION(0x08000, "maincpu", 0)
ROM_REGION(0x0c000, "maincpu", 0)
ROM_LOAD( "dardomania_dmp01_v2.1.ic38", 0x00000, 0x8000, CRC(9f24336f) SHA1(9a82b851d5c67a50118a3669d3bc5793e94219e4) )
// seems to have some bad bytes eg rst $08 instructions which should be calls but end up resetting it instead, see init
ROM_LOAD( "dardomania_dmp02_v2.1.ic33", 0x08000, 0x4000, BAD_DUMP CRC(e5dbf948) SHA1(241be0f2969b962bba602548dab3e2bdbf8f0696) ) // 1ST AND 2ND HALF IDENTICAL
ROM_IGNORE(0x4000)
ROM_REGION(0x20000, "unsorted", 0)
ROM_LOAD( "dardomania_dmp02_v2.1.ic33", 0x00000, 0x8000, CRC(e5dbf948) SHA1(241be0f2969b962bba602548dab3e2bdbf8f0696) ) // 1ST AND 2ND HALF IDENTICAL
ROM_LOAD( "dardomania_dmp03_v2.1.ic21", 0x08000, 0x8000, CRC(b458975e) SHA1(862d62d147ac09b86aa8d2c54b2e03a6c5436f85) ) // 1ST AND 2ND HALF IDENTICAL
ROM_LOAD( "dardomania_dmp04_v2.1.ic16", 0x10000, 0x8000, CRC(8564d0ba) SHA1(38c81173f1cf788d1a524abfae9ef7b6697383e4) ) // 1ST AND 2ND HALF IDENTICAL
ROM_LOAD( "dardomania_dmp05_v2.1.ic10", 0x18000, 0x8000, CRC(e24f2a02) SHA1(16f3a9c80b3d60c66b070521a90c958b0fc690e7) ) // 1ST AND 2ND HALF IDENTICAL
ROM_REGION(0xc000, "gfx1", 0)
ROM_LOAD( "dardomania_dmp03_v2.1.ic21", 0x00000, 0x4000, CRC(b458975e) SHA1(862d62d147ac09b86aa8d2c54b2e03a6c5436f85) ) // 1ST AND 2ND HALF IDENTICAL
ROM_IGNORE(0x4000)
ROM_LOAD( "dardomania_dmp04_v2.1.ic16", 0x04000, 0x4000, CRC(8564d0ba) SHA1(38c81173f1cf788d1a524abfae9ef7b6697383e4) ) // 1ST AND 2ND HALF IDENTICAL
ROM_IGNORE(0x4000)
ROM_LOAD( "dardomania_dmp05_v2.1.ic10", 0x08000, 0x4000, CRC(e24f2a02) SHA1(16f3a9c80b3d60c66b070521a90c958b0fc690e7) ) // 1ST AND 2ND HALF IDENTICAL
ROM_IGNORE(0x4000)
ROM_REGION(0x20, "proms", 0)
ROM_LOAD( "n82s123n.ic49", 0x00, 0x20, CRC(dcbd2352) SHA1(ce72e84129ed1b455aaf648e1dfaa4333e7e7628) )
ROM_END
GAME(1994, drdmania, 0, drdmania, drdmania, drdmania_state, empty_init, ROT0, "Sleic", "Dardomania (v2.1)", MACHINE_IS_SKELETON_MECHANICAL)
void drdmania_state::init_drdmania()
{
uint8_t *ROM = memregion("maincpu")->base();
ROM[0x8de0] ^= 0x02; // these are 0xcf in ROM so bit 0x02 got flipped? 3 calls in a row are incorrect in this way, so call addresses are suspect too
ROM[0x8de1] ^= 0x02; // call address
ROM[0x8de3] ^= 0x02; // call opcode
ROM[0x8de6] ^= 0x02; // call opcode
ROM[0x8de7] ^= 0x02; // call address
ROM[0x8e00] ^= 0x02; // wrong, different bit flipped?
}
GAME(1994, drdmania, 0, drdmania, drdmania, drdmania_state, init_drdmania, ROT0, "Sleic", "Dardomania (v2.1)", MACHINE_NOT_WORKING | MACHINE_MECHANICAL )