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PT Reach Mahjong [Angelo Salese]
This commit is contained in:
Angelo Salese 2009-05-08 11:34:21 +00:00
parent d124a13e29
commit 139620156a
1 changed files with 50 additions and 22 deletions
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72
src/mame/drivers/m14.c
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@ -1,14 +1,25 @@
/********************************************************************************************
/**********************************************************************************************
M14 Hardware (c) 1979 Irem
driver by Angelo Salese
TODO:
- Check if the coin latch are correct and understand why the proper gameplay looks stiff;
- Sound (very likely to be discrete);
- Colors might be not 100% accurate (needs screenshots from the real thing);
- What are the high 4 bits in the colorram for? They are used on the mahjong tiles only,
left-over?
left-over or something more important?
- I'm not sure about the hopper hook-up, it could also be that the player should press
start + button 1 + ron buttons (= 0x43) instead of being "automatic";
- Inputs are grossly mapped;
Notes:
- If you call a ron but you don't have the right hand you'll automatically lose the match;
- If you make the timer to run out, you'll lose the turn but you don't get any visible message
(presumably signaled by a sound effect);
- As you could expect, the cpu hands are actually pre-determined, so you actually play alone
against a variable number of available tiles;
==============================================================================================
x (Mystery Rom)
@ -37,7 +48,7 @@ http://japump.i.am/
Dumped by Chackn
01/30/2000
********************************************************************************************/
**********************************************************************************************/
#include "driver.h"
#include "cpu/i8085/i8085.h"
@ -112,19 +123,36 @@ static WRITE8_HANDLER( m14_cram_w )
*
*************************************/
static UINT8 hop_mux;
static READ8_HANDLER( m14_rng_r )
{
/* graphic artifacts happens if this doesn't return random values. */
return (mame_rand(space->machine) & 0x0f) | 0xf0; /* | (input_port_read(space->machine, "IN1") & 0x80)*/;
}
/* Here routes the hopper & the inputs */
static READ8_HANDLER( input_buttons_r )
{
if(hop_mux) { hop_mux = 0; return 0; } //0x43 status bits
else { return input_port_read(space->machine, "IN0"); }
}
static WRITE8_HANDLER( test_w )
{
static UINT8 x[5];
x[offset] = data;
//popmessage("%02x %02x %02x %02x %02x",x[0],x[1],x[2],x[3],x[4]);
popmessage("%02x %02x %02x %02x %02x",x[0],x[1],x[2],x[3],x[4]);
}
static WRITE8_HANDLER( hopper_w )
{
/* ---- x--- coin out */
/* ---- --x- hopper/input mux? */
hop_mux = data & 2;
//popmessage("%02x",data);
}
/*************************************
@ -142,11 +170,11 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( m14_io_map, ADDRESS_SPACE_IO, 8 )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0xf8, 0xf8) AM_READ_PORT("AN_PADDLE")
AM_RANGE(0xf9, 0xf9) AM_READ_PORT("IN0")
AM_RANGE(0xfa, 0xfa) AM_READ(m14_rng_r)
AM_RANGE(0xfb, 0xfb) AM_READ_PORT("DSW")
AM_RANGE(0xf8, 0xfc) AM_WRITE(test_w)
AM_RANGE(0xf8, 0xf8) AM_READ_PORT("AN_PADDLE") //AM_WRITENOP
AM_RANGE(0xf9, 0xf9) AM_READ(input_buttons_r) //AM_WRITENOP
AM_RANGE(0xfa, 0xfa) AM_READ(m14_rng_r) //AM_WRITENOP
AM_RANGE(0xfb, 0xfb) AM_READ_PORT("DSW") AM_WRITE(hopper_w)
AM_RANGE(0xf8, 0xfc) AM_WRITE(test_w) //at startup only?
ADDRESS_MAP_END
/*************************************
@ -158,13 +186,15 @@ ADDRESS_MAP_END
static INPUT_CHANGED( left_coin_inserted )
{
/* left coin insertion causes a rst6.5 (vector 0x34) */
cputag_set_input_line(field->port->machine, "maincpu", I8085_RST65_LINE, newval ? ASSERT_LINE : CLEAR_LINE);
if(newval)
cputag_set_input_line(field->port->machine, "maincpu", I8085_RST65_LINE, HOLD_LINE);
}
static INPUT_CHANGED( right_coin_inserted )
{
/* right coin insertion causes a rst5.5 (vector 0x2c) */
cputag_set_input_line(field->port->machine, "maincpu", I8085_RST55_LINE, newval ? ASSERT_LINE : CLEAR_LINE);
if(newval)
cputag_set_input_line(field->port->machine, "maincpu", I8085_RST55_LINE, HOLD_LINE);
}
static INPUT_PORTS_START( m14 )
@ -173,7 +203,7 @@ static INPUT_PORTS_START( m14 )
PORT_START("IN0")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_RON )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_RON ) //could be reach too
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) //affects medal settings?
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
@ -191,10 +221,6 @@ static INPUT_PORTS_START( m14 )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
//PORT_START("IN1")
/* 0x00-0x7f rng */
//PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_START("DSW") //this whole port is stored at work ram $2112.
PORT_DIPNAME( 0x01, 0x00, "Show available tiles" ) // debug mode for the rng?
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
@ -222,8 +248,8 @@ static INPUT_PORTS_START( m14 )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START("FAKE")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_IMPULSE(1) PORT_CHANGED(left_coin_inserted, 0)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_IMPULSE(1) PORT_CHANGED(right_coin_inserted, 0)
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_IMPULSE(1) PORT_CHANGED(left_coin_inserted, 0) //coin x 5
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_IMPULSE(1) PORT_CHANGED(right_coin_inserted, 0) //coin x 1
INPUT_PORTS_END
static const gfx_layout charlayout =
@ -271,8 +297,10 @@ static MACHINE_DRIVER_START( m14 )
/* sound hardware */
// MDRV_SPEAKER_STANDARD_MONO("mono")
// MDRV_SOUND_ADD("ay", AY8910, 8000000/4 /* guess */)
// MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)
// MDRV_SOUND_ADD("discrete", DISCRETE, 0)
// MDRV_SOUND_CONFIG_DISCRETE(m14)
// MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END
/***************************************************************************
@ -298,4 +326,4 @@ ROM_START( ptrmj )
ROM_LOAD( "mgpa10.bin", 0x0400, 0x0400, CRC(e1a4ebdc) SHA1(d9df42424ede17f0634d8d0a56c0374a33c55333) )
ROM_END
GAME( 1979, ptrmj, 0, m14, m14, 0, ROT0, "Irem", "PT Reach Mahjong (Japan)", GAME_NO_SOUND|GAME_NOT_WORKING )
GAME( 1979, ptrmj, 0, m14, m14, 0, ROT0, "Irem", "PT Reach Mahjong (Japan)", GAME_NO_SOUND )