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Moved the Superman c-chip implementation in the driver state. (nw)

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This commit is contained in:
Ivan Vangelista 2013-09-07 09:25:38 +00:00
parent 0d0a4e5d39
commit a2eb4802b0
5 changed files with 65 additions and 63 deletions
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2
.gitattributes vendored
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@ -4128,7 +4128,6 @@ src/mame/includes/cbasebal.h svneol=native#text/plain
src/mame/includes/cbuster.h svneol=native#text/plain
src/mame/includes/ccastles.h svneol=native#text/plain
src/mame/includes/cchasm.h svneol=native#text/plain
src/mame/includes/cchip.h svneol=native#text/plain
src/mame/includes/cclimber.h svneol=native#text/plain
src/mame/includes/cd32.h svneol=native#text/plain
src/mame/includes/cdi.h svneol=native#text/plain
@ -4622,6 +4621,7 @@ src/mame/includes/taito_f3.h svneol=native#text/plain
src/mame/includes/taito_h.h svneol=native#text/plain
src/mame/includes/taito_l.h svneol=native#text/plain
src/mame/includes/taito_o.h svneol=native#text/plain
src/mame/includes/taito_x.h svneol=native#text/plain
src/mame/includes/taito_z.h svneol=native#text/plain
src/mame/includes/taitoair.h svneol=native#text/plain
src/mame/includes/taitoipt.h svneol=native#text/plain

45
src/mame/drivers/taito_x.c
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@ -317,29 +317,9 @@ Stephh's notes (based on the game M68000 code and some tests) :
#include "cpu/m68000/m68000.h"
#include "includes/taitoipt.h"
#include "audio/taitosnd.h"
#include "includes/seta.h"
#include "includes/taito_x.h"
#include "sound/2610intf.h"
#include "sound/2151intf.h"
#include "includes/cchip.h"
#include "drivlgcy.h"
class taitox_state : public seta_state
{
public:
taitox_state(const machine_config &mconfig, device_type type, const char *tag)
: seta_state(mconfig, type, tag) { }
int m_banknum;
DECLARE_READ16_MEMBER(superman_dsw_input_r);
DECLARE_READ16_MEMBER(daisenpu_input_r);
DECLARE_WRITE16_MEMBER(daisenpu_input_w);
DECLARE_WRITE16_MEMBER(kyustrkr_input_w);
DECLARE_WRITE8_MEMBER(sound_bankswitch_w);
DECLARE_DRIVER_INIT(kyustrkr);
DECLARE_MACHINE_START(taitox);
void reset_sound_region();
DECLARE_WRITE_LINE_MEMBER(irqhandler);
};
READ16_MEMBER(taitox_state::superman_dsw_input_r)
{
@ -436,9 +416,9 @@ static ADDRESS_MAP_START( superman_map, AS_PROGRAM, 16, taitox_state )
AM_RANGE(0x600000, 0x600001) AM_WRITENOP /* written each frame at $3ab0, mostly 0x10 */
AM_RANGE(0x800000, 0x800001) AM_READNOP AM_DEVWRITE8("tc0140syt", tc0140syt_device, tc0140syt_port_w, 0x00ff)
AM_RANGE(0x800002, 0x800003) AM_DEVREADWRITE8("tc0140syt", tc0140syt_device, tc0140syt_comm_r, tc0140syt_comm_w, 0x00ff)
AM_RANGE(0x900000, 0x9007ff) AM_READWRITE_LEGACY(cchip1_ram_r, cchip1_ram_w)
AM_RANGE(0x900802, 0x900803) AM_READWRITE_LEGACY(cchip1_ctrl_r, cchip1_ctrl_w)
AM_RANGE(0x900c00, 0x900c01) AM_WRITE_LEGACY(cchip1_bank_w)
AM_RANGE(0x900000, 0x9007ff) AM_READWRITE(cchip1_ram_r, cchip1_ram_w)
AM_RANGE(0x900802, 0x900803) AM_READWRITE(cchip1_ctrl_r, cchip1_ctrl_w)
AM_RANGE(0x900c00, 0x900c01) AM_WRITE(cchip1_bank_w)
AM_RANGE(0xb00000, 0xb00fff) AM_RAM_WRITE(paletteram_xRRRRRGGGGGBBBBB_word_w) AM_SHARE("paletteram")
AM_RANGE(0xd00000, 0xd005ff) AM_RAM AM_DEVREADWRITE("spritegen", seta001_device, spriteylow_r16, spriteylow_w16) // Sprites Y
AM_RANGE(0xd00600, 0xd00607) AM_RAM AM_DEVREADWRITE("spritegen", seta001_device, spritectrl_r16, spritectrl_w16)
@ -804,6 +784,18 @@ MACHINE_START_MEMBER(taitox_state,taitox)
machine().save().register_postload(save_prepost_delegate(FUNC(taitox_state::reset_sound_region), this));
}
MACHINE_START_MEMBER(taitox_state,superman)
{
m_banknum = -1;
save_item(NAME(m_banknum));
machine().save().register_postload(save_prepost_delegate(FUNC(taitox_state::reset_sound_region), this));
m_current_bank = 0;
m_cc_port = 0;
save_item(NAME(m_current_bank));
save_item(NAME(m_cc_port));
}
static const tc0140syt_interface taitox_tc0140syt_intf =
{
"maincpu", "audiocpu"
@ -824,9 +816,8 @@ static MACHINE_CONFIG_START( superman, taitox_state )
MCFG_QUANTUM_TIME(attotime::from_hz(600)) /* 10 CPU slices per frame - enough for the sound CPU to read all commands */
MCFG_MACHINE_START_OVERRIDE(taitox_state,taitox)
MCFG_MACHINE_RESET(cchip1)
MCFG_MACHINE_START_OVERRIDE(taitox_state,superman)
MCFG_DEVICE_ADD("spritegen", SETA001_SPRITE, 0)
/* video hardware */

8
src/mame/includes/cchip.h
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@ -1,8 +0,0 @@
/*----------- defined in machine/cchip.c -----------*/
MACHINE_RESET( cchip1 );
DECLARE_READ16_HANDLER( cchip1_ctrl_r );
DECLARE_READ16_HANDLER( cchip1_ram_r );
DECLARE_WRITE16_HANDLER( cchip1_ctrl_w );
DECLARE_WRITE16_HANDLER( cchip1_bank_w );
DECLARE_WRITE16_HANDLER( cchip1_ram_w );

29
src/mame/includes/taito_x.h Normal file
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@ -0,0 +1,29 @@
#include "includes/seta.h"
class taitox_state : public seta_state
{
public:
taitox_state(const machine_config &mconfig, device_type type, const char *tag)
: seta_state(mconfig, type, tag) { }
int m_banknum;
DECLARE_READ16_MEMBER(superman_dsw_input_r);
DECLARE_READ16_MEMBER(daisenpu_input_r);
DECLARE_WRITE16_MEMBER(daisenpu_input_w);
DECLARE_WRITE16_MEMBER(kyustrkr_input_w);
DECLARE_WRITE8_MEMBER(sound_bankswitch_w);
DECLARE_DRIVER_INIT(kyustrkr);
DECLARE_MACHINE_START(taitox);
DECLARE_MACHINE_START(superman);
void reset_sound_region();
DECLARE_WRITE_LINE_MEMBER(irqhandler);
// superman c-chip
UINT16 m_current_bank;
UINT8 m_cc_port;
DECLARE_READ16_MEMBER( cchip1_ctrl_r );
DECLARE_READ16_MEMBER( cchip1_ram_r );
DECLARE_WRITE16_MEMBER( cchip1_ctrl_w );
DECLARE_WRITE16_MEMBER( cchip1_bank_w );
DECLARE_WRITE16_MEMBER( cchip1_ram_w );
};

44
src/mame/machine/cchip.c
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@ -3,8 +3,8 @@
cchip.c
This file contains routines to interface with the Taito Controller Chip
(or "Command Chip") version 1. It's currently used by Superman and Mega
Blast. [Further cchip emulation is in machine/rainbow.c, machine/volfied.c,
(or "Command Chip") version 1. It's currently used by Superman.
[Further cchip emulation is in machine/rainbow.c, machine/volfied.c,
drivers/opwolf.c and drivers/taito_f2.c]
According to Richard Bush, the C-Chip is an encrypted Z80 which communicates
@ -30,11 +30,7 @@ This code requires that the player & coin inputs be in input ports 2-4.
***************************************************************************/
#include "emu.h"
#include "includes/cchip.h"
static UINT16 current_bank = 0;
static UINT8 cc_port = 0;
#include "includes/taito_x.h"
/* This code for sound communication is a hack, it will not be
identical to the code derived from the real c-chip */
@ -55,33 +51,27 @@ static const UINT8 superman_code[40] =
0x4e, 0x75 /* RTS ( Return ) */
};
MACHINE_RESET( cchip1 )
{
machine.save().save_item(NAME(current_bank));
machine.save().save_item(NAME(cc_port));
}
/*************************************
*
* Writes to C-Chip - Important Bits
*
*************************************/
WRITE16_HANDLER( cchip1_ctrl_w )
WRITE16_MEMBER( taitox_state::cchip1_ctrl_w )
{
/* value 2 is written here */
}
WRITE16_HANDLER( cchip1_bank_w )
WRITE16_MEMBER( taitox_state::cchip1_bank_w )
{
current_bank = data & 7;
m_current_bank = data & 7;
}
WRITE16_HANDLER( cchip1_ram_w )
WRITE16_MEMBER( taitox_state::cchip1_ram_w )
{
if (current_bank == 0 && offset == 0x03)
if (m_current_bank == 0 && offset == 0x03)
{
cc_port = data;
m_cc_port = data;
coin_lockout_w(space.machine(), 1, data & 0x08);
coin_lockout_w(space.machine(), 0, data & 0x04);
@ -90,7 +80,7 @@ WRITE16_HANDLER( cchip1_ram_w )
}
else
{
logerror("cchip1_w pc: %06x bank %02x offset %04x: %02x\n",space.device().safe_pc(),current_bank,offset,data);
logerror("cchip1_w pc: %06x bank %02x offset %04x: %02x\n",space.device().safe_pc(),m_current_bank,offset,data);
}
}
@ -101,7 +91,7 @@ logerror("cchip1_w pc: %06x bank %02x offset %04x: %02x\n",space.device().safe_p
*
*************************************/
READ16_HANDLER( cchip1_ctrl_r )
READ16_MEMBER( taitox_state::cchip1_ctrl_r )
{
/*
Bit 2 = Error signal
@ -110,23 +100,23 @@ READ16_HANDLER( cchip1_ctrl_r )
return 0x01; /* Return 0x05 for C-Chip error */
}
READ16_HANDLER( cchip1_ram_r )
READ16_MEMBER( taitox_state::cchip1_ram_r )
{
/* Check for input ports */
if (current_bank == 0)
if (m_current_bank == 0)
{
switch (offset)
{
case 0x00: return space.machine().root_device().ioport("IN0")->read(); /* Player 1 controls + START1 */
case 0x01: return space.machine().root_device().ioport("IN1")->read(); /* Player 2 controls + START2 */
case 0x02: return space.machine().root_device().ioport("IN2")->read(); /* COINn + SERVICE1 + TILT */
case 0x03: return cc_port;
case 0x03: return m_cc_port;
}
}
/* Other non-standard offsets */
if (current_bank == 1 && offset <= 0xff)
if (m_current_bank == 1 && offset <= 0xff)
{
if (offset < 40) /* our hack code is only 40 bytes long */
return superman_code[offset];
@ -134,7 +124,7 @@ READ16_HANDLER( cchip1_ram_r )
return 0;
}
if (current_bank == 2)
if (m_current_bank == 2)
{
switch (offset)
{
@ -144,6 +134,6 @@ READ16_HANDLER( cchip1_ram_r )
}
}
logerror("cchip1_r bank: %02x offset: %04x\n",current_bank,offset);
logerror("cchip1_r bank: %02x offset: %04x\n",m_current_bank,offset);
return 0;
}