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0069237f20
mame/src/mame/drivers/cmmb.c
Aaron Giles 0069237f20 Memory banks are now referenced by tag rather than index. 
Changed all memory_bank_* functions to specify a tag.
Bulk-converted existing banks to be tagged "bank##" in
order to ensure consistency. However, going forward, the
tags don't matter, so please name them something useful.

Added AM_BANK_READ/AM_BANK_WRITE macros to let you specify
bank tags. Also changed AM_ROMBANK and AM_RAMBANK macros to
accept tags as well.

Added new functions memory_install_read_bank_handler and
memory_install_write_bank_handler to install banks by tag
name, similar to input ports.

Changed internals of memory system to dynamically allocate
all banks. The first time a bank with an unknown tag is
installed, a new bank object is created and tracked 
internally. Removed all SMH_BANK(n) references outside of
the main code; these should never, ever be useful anymore.
2009-12-03 08:16:38 +00:00

316 lines
8.6 KiB
C
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/***************************************************************************
Multipede (c) 1980-2 Infogrames / 199x CosmoDog
preliminary driver by Angelo Salese
TODO:
- program banking;
- finish video emulation;
- inputs;
- sound;
============================================================================
Centipede, Millipede, Missile Command, Let's Go Bowling.
Team Play
Multipede 1.00 PCB by CosmoDog
Flash ROM AT29C020
Cypress CY39100V208B
CPU WDC 658C02-8P-14
CY37128-P100
CYC1399
***************************************************************************/
#include "driver.h"
#include "cpu/m6502/m6502.h"
static VIDEO_START( cmmb )
{
}
static VIDEO_UPDATE( cmmb )
{
const gfx_element *gfx = screen->machine->gfx[0];
int count = 0x00000;
int y,x;
for (y=0;y<32;y++)
{
for (x=0;x<32;x++)
{
int tile = screen->machine->generic.videoram.u8[count] & 0x3f;
int colour = (screen->machine->generic.videoram.u8[count] & 0xc0)>>6;
drawgfx_opaque(bitmap,cliprect,gfx,tile,colour,0,0,x*8,y*8);
count++;
}
}
return 0;
}
static READ8_HANDLER( cmmb_charram_r )
{
UINT8 *GFX = memory_region(space->machine, "gfx");
return GFX[offset];
}
static WRITE8_HANDLER( cmmb_charram_w )
{
UINT8 *GFX = memory_region(space->machine, "gfx");
GFX[offset] = data;
offset&=0xfff;
/* dirty char */
gfx_element_mark_dirty(space->machine->gfx[0], offset >> 4);
gfx_element_mark_dirty(space->machine->gfx[1], offset >> 5);
}
static WRITE8_HANDLER( cmmb_paletteram_w )
{
/* RGB output is inverted */
paletteram_RRRGGGBB_w(space,offset,~data);
}
static READ8_HANDLER( cmmb_input_r )
{
printf("%02x R\n",offset);
switch(offset)
{
case 0x00: return input_port_read(space->machine, "IN2");
case 0x03: return 4; //eeprom?
case 0x0e: return input_port_read(space->machine, "IN0");
case 0x0f: return input_port_read(space->machine, "IN1");
}
return 0xff;
}
static UINT8 irq_mask;
/*
{
UINT8 *ROM = memory_region(space->machine, "maincpu");
UINT32 bankaddress;
bankaddress = 0x10000 + (0x10000 * (data & 0x03));
memory_set_bankptr(space->machine, "bank1", &ROM[bankaddress]);
}
*/
static WRITE8_HANDLER( cmmb_output_w )
{
printf("%02x -> [%02x] W\n",data,offset);
switch(offset)
{
case 0x01:
{
UINT8 *ROM = memory_region(space->machine, "maincpu");
UINT32 bankaddress;
bankaddress = 0x1c000 + (0x10000 * (data & 0x03));
memory_set_bankptr(space->machine, "bank1", &ROM[bankaddress]);
}
break;
case 0x03:
irq_mask = data & 0x80;
break;
case 0x07:
break;
}
}
static READ8_HANDLER( kludge_r )
{
return mame_rand(space->machine);
}
/* overlap empty addresses */
static ADDRESS_MAP_START( cmmb_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x01ff) AM_RAM /* zero page address */
// AM_RANGE(0x13c0, 0x13ff) AM_RAM //spriteram
AM_RANGE(0x1000, 0x13ff) AM_RAM AM_BASE_GENERIC(videoram)
AM_RANGE(0x2480, 0x249f) AM_RAM_WRITE(cmmb_paletteram_w) AM_BASE_GENERIC(paletteram)
AM_RANGE(0x4000, 0x400f) AM_READWRITE(cmmb_input_r,cmmb_output_w) //i/o
AM_RANGE(0x4900, 0x4900) AM_READ(kludge_r)
AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("bank1")
AM_RANGE(0xa000, 0xafff) AM_RAM
AM_RANGE(0xb000, 0xbfff) AM_READWRITE(cmmb_charram_r,cmmb_charram_w)
AM_RANGE(0xc000, 0xc00f) AM_READWRITE(cmmb_input_r,cmmb_output_w) //i/o
AM_RANGE(0x8000, 0xffff) AM_ROM
ADDRESS_MAP_END
static INPUT_PORTS_START( cmmb )
PORT_START("IN0")
PORT_DIPNAME( 0x01, 0x01, "SYSTEM" )
PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_START("IN1")
PORT_DIPNAME( 0x01, 0x01, "SYSTEM" )
PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_START("IN2")
PORT_DIPNAME( 0x01, 0x01, "SYSTEM" )
PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
INPUT_PORTS_END
static const gfx_layout charlayout =
{
8,8,
RGN_FRAC(1,1),
2,
{ 1, 0 },
{ 6, 4, 2, 0, 14, 12, 10, 8 },
{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
8*16
};
static const gfx_layout spritelayout =
{
8,16,
RGN_FRAC(1,1),
2,
{ 1, 0 },
{ 6, 4, 2, 0, 14, 12, 10, 8 },
{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16,8*16,9*16,10*16,11*16,12*16,13*16,14*16,15*16 },
8*32
};
static GFXDECODE_START( cmmb )
GFXDECODE_ENTRY( "gfx", 0, charlayout, 0x00, 4 )
GFXDECODE_ENTRY( "gfx", 0, spritelayout, 0x10, 4 )
GFXDECODE_END
static INTERRUPT_GEN( cmmb_irq )
{
//if(input_code_pressed_once(device->machine, KEYCODE_Z))
// cpu_set_input_line(device, 0, HOLD_LINE);
}
static MACHINE_RESET( cmmb )
{
}
static MACHINE_DRIVER_START( cmmb )
/* basic machine hardware */
MDRV_CPU_ADD("maincpu",M65C02,8000000/2) // unknown clock
MDRV_CPU_PROGRAM_MAP(cmmb_map)
MDRV_CPU_VBLANK_INT("screen",cmmb_irq)
/* video hardware */
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) // unknown
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(32*8, 32*8)
MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
MDRV_GFXDECODE(cmmb)
MDRV_PALETTE_LENGTH(512)
MDRV_VIDEO_START(cmmb)
MDRV_VIDEO_UPDATE(cmmb)
MDRV_MACHINE_RESET(cmmb)
/* sound hardware */
// MDRV_SPEAKER_STANDARD_MONO("mono")
// MDRV_SOUND_ADD("aysnd", AY8910, 8000000/4)
// MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)
MACHINE_DRIVER_END
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( cmmb162 )
ROM_REGION( 0x50000, "maincpu", 0 )
ROM_LOAD( "cmmb162.bin", 0x10000, 0x40000, CRC(71a5a75d) SHA1(0ad7b97580082cda98cb1e8aab8efcf491d0ed25) )
ROM_COPY( "maincpu", 0x18000, 0x08000, 0x08000 )
ROM_REGION( 0x1000, "gfx", ROMREGION_ERASE00 )
ROM_END
GAME( 199?, cmmb162, 0, cmmb, cmmb, 0, ROT270, "Infogrames / Cosmodog", "Multipede (V1.00)", GAME_NO_SOUND|GAME_NOT_WORKING )
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