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alba/hanadojo.cpp: add proms hookup and sketchy video emulation

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This commit is contained in:
angelosa 2025-02-05 19:47:32 +01:00
parent a8e1ddf345
commit 3df2b59a05
1 changed files with 96 additions and 19 deletions
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115
src/mame/alba/hanadojo.cpp
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@ -1,10 +1,18 @@
// license:BSD-3-Clause
// copyright-holders:
/**************************************************************************************************
/*
花道場 (Hana Doujou) - Alba 1984
AAJ-11 PCB
TODO:
- CRTC processes params as 1088x224 with char width 8;
- Writes RAM NG 8AF0 if NMI is triggered;
- Resets itself in attract sequence;
- Inputs (from AY8910 ports at very least);
===================================================================================================
Main components are:
NEC D780C CPU
@ -21,8 +29,7 @@ unknown 40-pin chip (stickered AN-003)
2x AX-014 epoxy covered chips
AX-013 epoxy covered chip
TODO: everything. Puts RAM N.G. in video RAM. Banked RAM or protection?
*/
**************************************************************************************************/
#include "emu.h"
@ -61,12 +68,45 @@ private:
required_shared_ptr<uint8_t> m_videoram;
void palette_init(palette_device &palette) const;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void program_map(address_map &map) ATTR_COLD;
void io_map(address_map &map) ATTR_COLD;
};
void hanadojo_state::palette_init(palette_device &palette) const
{
const u8 *color_prom = memregion("color_prom")->base();
const u8 *clut_prom = memregion("clut_prom")->base();
for (int i = 0; i < 0x20; i++)
{
int bit0, bit1, bit2;
bit0 = (color_prom[i] >> 0) & 0x01;
bit1 = (color_prom[i] >> 1) & 0x01;
bit2 = (color_prom[i] >> 2) & 0x01;
int const r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
bit0 = (color_prom[i] >> 3) & 0x01;
bit1 = (color_prom[i] >> 4) & 0x01;
bit2 = (color_prom[i] >> 5) & 0x01;
int const g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
bit0 = 0;
bit1 = (color_prom[i] >> 6) & 0x01;
bit2 = (color_prom[i] >> 7) & 0x01;
int const b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
palette.set_indirect_color(i, rgb_t(r, g, b));
}
// assume bit 4 coming from external bank
for (int i = 0; i < 0x200; i++)
{
palette.set_pen_indirect(i, clut_prom[i & 0xff] | BIT(i, 8) << 4);
}
}
void hanadojo_state::video_start()
{
@ -74,6 +114,28 @@ void hanadojo_state::video_start()
uint32_t hanadojo_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
// throwaway sample code
gfx_element *gfx = m_gfxdecode->gfx(0);
const u16 pitch = 34;
const u32 cclk_x = 0x20000;
const int dx = 16;
for (int y = 0; y < 28; y++)
{
u16 base_address = (y * pitch) << 1;
for (int x = 0; x < pitch; x++)
{
const u16 tile_address = base_address + (x << 1);
const u16 value = m_videoram[tile_address] | (m_videoram[tile_address + 1] << 8);
u16 tile = value & 0xff;
tile |= (value & 0xe000) >> 5;
u8 color = (value >> 8) & 0x0f;
gfx->zoom_opaque(bitmap, cliprect, tile, color, 0, 0, x * dx, y * 8, cclk_x, 0x10000);
}
}
return 0;
}
@ -87,8 +149,18 @@ void hanadojo_state::program_map(address_map &map)
void hanadojo_state::io_map(address_map &map)
{
map.unmap_value_high();
map.global_mask(0xff);
map(0x00, 0x00).rw("ay", FUNC(ay8910_device::data_r), FUNC(ay8910_device::address_w));
map(0x01, 0x01).w("ay", FUNC(ay8910_device::data_w));
map(0x20, 0x20).w("crtc", FUNC(hd6845s_device::address_w));
map(0x21, 0x21).w("crtc", FUNC(hd6845s_device::register_w));
// resets sooner if either is high
map(0x40, 0x41).lr8(NAME([] () { return 0; }));
map(0x60, 0x61).lr8(NAME([] () { return 0; }));
map(0x80, 0x80).nopw(); // very noisy, just watchdog?
}
@ -142,7 +214,7 @@ INPUT_PORTS_END
static GFXDECODE_START( gfx_hanadojo )
GFXDECODE_ENTRY( "tiles", 0, gfx_8x8x3_planar, 0, 32 ) // TODO: wrong
GFXDECODE_ENTRY( "tiles", 0, gfx_8x8x3_planar, 0, 32 * 2 )
GFXDECODE_END
@ -152,17 +224,18 @@ void hanadojo_state::hanadojo(machine_config &config)
m_maincpu->set_addrmap(AS_PROGRAM, &hanadojo_state::program_map);
m_maincpu->set_addrmap(AS_IO, &hanadojo_state::io_map);
hd6845s_device &crtc(HD6845S(config, "crtc", 12_MHz_XTAL / 16)); // divider guessed
hd6845s_device &crtc(HD6845S(config, "crtc", 12_MHz_XTAL / 4)); // divider guessed
crtc.set_screen("screen");
crtc.set_show_border_area(false);
crtc.set_char_width(8);
crtc.out_vsync_callback().set_inputline(m_maincpu, INPUT_LINE_NMI);
crtc.set_char_width(4);
crtc.out_vsync_callback().set_inputline(m_maincpu, 0);
PALETTE(config, "palette").set_entries(0x20); // TODO: wrong
PALETTE(config, "palette", FUNC(hanadojo_state::palette_init), 0x100 * 2, 0x20);
GFXDECODE(config, m_gfxdecode, "palette", gfx_hanadojo);
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); // TODO: wrong
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
// TODO: default values
screen.set_refresh_hz(60);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
screen.set_size(64*8, 32*8);
@ -191,9 +264,11 @@ ROM_START( hanadojo )
ROM_LOAD( "no10.6e", 0x6000, 0x2000, CRC(bfb79118) SHA1(191c441b60fdec714733e326e7ad984b551e2cce) )
ROM_LOAD( "no11.6d", 0xa000, 0x2000, CRC(a601d401) SHA1(ac10da18c6ef46d9c9da10e292dcb49554676885) )
ROM_REGION( 0x120, "proms", 0 )
ROM_REGION( 0x020, "color_prom", 0 )
ROM_LOAD( "n1.11d", 0x000, 0x020, CRC(1e6f668a) SHA1(6006ee30920e51581862b0e7f56ac724831b0034) )
ROM_REGION( 0x100, "clut_prom", 0 )
ROM_LOAD( "n2.9d", 0x000, 0x100, CRC(e6812f63) SHA1(2286b43970e51d6cfbceaaf74bcb6d2f35620d3a) )
ROM_LOAD( "n1.11d", 0x100, 0x020, CRC(1e6f668a) SHA1(6006ee30920e51581862b0e7f56ac724831b0034) )
ROM_END
ROM_START( hanadojoa )
@ -205,19 +280,21 @@ ROM_START( hanadojoa )
ROM_REGION( 0xc000, "tiles", 0 )
ROM_LOAD( "no6.4f", 0x0000, 0x2000, CRC(f049bc57) SHA1(cb6baaa4eaf9306a54ec39689e3b16ab7acc82c7) )
ROM_LOAD( "no7.4e", 0x2000, 0x2000, CRC(2ff0c6c7) SHA1(a92926d497189fadb11d0c8fd12d8e4a1506c4fd) )
ROM_LOAD( "no8.4d", 0x4000, 0x2000, CRC(32ed9c86) SHA1(6614df331ab8e57327b27393d189cc538f1b9567) )
ROM_LOAD( "no9.6f", 0x6000, 0x2000, CRC(1e5f720e) SHA1(e3d55fae723625fcdd78ee02fb10e47d8e0628f0) )
ROM_LOAD( "no10.6e", 0x8000, 0x2000, CRC(bfb79118) SHA1(191c441b60fdec714733e326e7ad984b551e2cce) )
ROM_LOAD( "no7.4e", 0x4000, 0x2000, CRC(2ff0c6c7) SHA1(a92926d497189fadb11d0c8fd12d8e4a1506c4fd) )
ROM_LOAD( "no8.4d", 0x8000, 0x2000, CRC(32ed9c86) SHA1(6614df331ab8e57327b27393d189cc538f1b9567) )
ROM_LOAD( "no9.6f", 0x2000, 0x2000, CRC(1e5f720e) SHA1(e3d55fae723625fcdd78ee02fb10e47d8e0628f0) )
ROM_LOAD( "no10.6e", 0x6000, 0x2000, CRC(bfb79118) SHA1(191c441b60fdec714733e326e7ad984b551e2cce) )
ROM_LOAD( "no11.6d", 0xa000, 0x2000, CRC(a601d401) SHA1(ac10da18c6ef46d9c9da10e292dcb49554676885) )
ROM_REGION( 0x120, "proms", 0 )
ROM_REGION( 0x020, "color_prom", 0 )
ROM_LOAD( "n1.11d", 0x000, 0x020, CRC(1e6f668a) SHA1(6006ee30920e51581862b0e7f56ac724831b0034) )
ROM_REGION( 0x100, "clut_prom", 0 )
ROM_LOAD( "n2.9d", 0x000, 0x100, CRC(e6812f63) SHA1(2286b43970e51d6cfbceaaf74bcb6d2f35620d3a) )
ROM_LOAD( "n1.11d", 0x100, 0x020, CRC(1e6f668a) SHA1(6006ee30920e51581862b0e7f56ac724831b0034) )
ROM_END
} // anonymous namespace
GAME( 1984, hanadojo, 0, hanadojo, hanadojo, hanadojo_state, empty_init, ROT0, "Alba", "Hana Doujou (set 1)", MACHINE_NO_SOUND | MACHINE_NOT_WORKING )
GAME( 1984, hanadojoa, hanadojo, hanadojo, hanadojo, hanadojo_state, empty_init, ROT0, "Alba", "Hana Doujou (set 2)", MACHINE_NO_SOUND | MACHINE_NOT_WORKING )
GAME( 1984, hanadojo, 0, hanadojo, hanadojo, hanadojo_state, empty_init, ROT0, "Alba", "Hana Doujou (set 1)", MACHINE_NO_SOUND | MACHINE_NOT_WORKING | MACHINE_WRONG_COLORS | MACHINE_UNEMULATED_PROTECTION )
GAME( 1984, hanadojoa, hanadojo, hanadojo, hanadojo, hanadojo_state, empty_init, ROT0, "Alba", "Hana Doujou (set 2)", MACHINE_NO_SOUND | MACHINE_NOT_WORKING | MACHINE_WRONG_COLORS | MACHINE_UNEMULATED_PROTECTION )