(MESS) New skeleton [Al Kossow, Robbbert]

-------------------------------------------------
Control Data Corporation CDC721 Terminal
This commit is contained in:
Robbbert 2013-08-14 10:06:39 +00:00
parent 1f485e69ba
commit 15cc532d49
4 changed files with 145 additions and 0 deletions

1
.gitattributes vendored
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@ -6187,6 +6187,7 @@ src/mess/drivers/cbm2.c svneol=native#text/plain
src/mess/drivers/ccs2422.c svneol=native#text/plain
src/mess/drivers/ccs2810.c svneol=native#text/plain
src/mess/drivers/cd2650.c svneol=native#text/plain
src/mess/drivers/cdc721.c svneol=native#text/plain
src/mess/drivers/cfx9850.c svneol=native#text/plain
src/mess/drivers/cgc7900.c svneol=native#text/plain
src/mess/drivers/cgenie.c svneol=native#text/plain

141
src/mess/drivers/cdc721.c Normal file
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@ -0,0 +1,141 @@
/************************************************************************************************************
Control Data Corporation CDC 721 Terminal (Viking)
2013-08-13 Skeleton
*************************************************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
class cdc721_state : public driver_device
{
public:
cdc721_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_p_videoram(*this, "videoram")
, m_maincpu(*this, "maincpu")
{ }
public:
virtual void machine_reset();
void palette_init_cdc721();
const UINT8 *m_p_chargen;
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
required_shared_ptr<const UINT8> m_p_videoram;
private:
required_device<cpu_device> m_maincpu;
};
static ADDRESS_MAP_START( cdc721_mem, AS_PROGRAM, 8, cdc721_state )
AM_RANGE(0x0000, 0x3fff) AM_ROM AM_REGION("maincpu", 0)
AM_RANGE(0x4000, 0xf097) AM_RAM
AM_RANGE(0xf098, 0xffff) AM_RAM AM_SHARE("videoram")
ADDRESS_MAP_END
static ADDRESS_MAP_START( cdc721_io, AS_IO, 8, cdc721_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
ADDRESS_MAP_END
static INPUT_PORTS_START( cdc721 )
INPUT_PORTS_END
void cdc721_state::machine_reset()
{
m_p_chargen = memregion("chargen")->base();
}
/* F4 Character Displayer */
static const gfx_layout cdc721_charlayout =
{
8, 16, /* 8 x 16 characters */
256, /* 256 characters */
1, /* 1 bits per pixel */
{ 0 }, /* no bitplanes */
/* x offsets */
{ 7, 6, 5, 4, 3, 2, 1, 0 },
/* y offsets */
{ 0*8, 0x100*8, 0x200*8, 0x300*8, 0x400*8, 0x500*8, 0x600*8, 0x700*8,
0x800*8, 0x900*8, 0xa00*8, 0xb00*8, 0xc00*8, 0xd00*8, 0xe00*8, 0xf00*8 },
8 /* every char takes 16 x 1 bytes */
};
static GFXDECODE_START( cdc721 )
GFXDECODE_ENTRY( "chargen", 0x0000, cdc721_charlayout, 0, 1 )
GFXDECODE_END
PALETTE_INIT_MEMBER( cdc721_state, cdc721 )
{
palette_set_color_rgb( machine(), 0, 0, 0, 0 ); /* Black */
palette_set_color_rgb( machine(), 1, 0, 255, 0 ); /* Full */
palette_set_color_rgb( machine(), 2, 0, 128, 0 ); /* Dimmed */
}
UINT32 cdc721_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
UINT8 y,ra,chr,gfx;
UINT16 sy=0,ma=0,x;
for (y = 0; y < 24; y++)
{
for (ra = 3; ra < 13; ra++)
{
UINT16 *p = &bitmap.pix16(sy++);
for (x = 0; x < 160; x+=2)
{
chr = m_p_videoram[x+ma];
gfx = m_p_chargen[chr | (ra << 8) ];
/* Display a scanline of a character */
*p++ = BIT(gfx, 0);
*p++ = BIT(gfx, 1);
*p++ = BIT(gfx, 2);
*p++ = BIT(gfx, 3);
*p++ = BIT(gfx, 4);
*p++ = BIT(gfx, 5);
*p++ = BIT(gfx, 6);
*p++ = BIT(gfx, 7);
}
}
ma+=160;
}
return 0;
}
static MACHINE_CONFIG_START( cdc721, cdc721_state )
// basic machine hardware
MCFG_CPU_ADD("maincpu", Z80, 4000000)
MCFG_CPU_PROGRAM_MAP(cdc721_mem)
MCFG_CPU_IO_MAP(cdc721_io)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
MCFG_SCREEN_UPDATE_DRIVER(cdc721_state, screen_update)
MCFG_SCREEN_SIZE(640, 240)
MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 239)
MCFG_PALETTE_LENGTH(3)
MCFG_PALETTE_INIT_OVERRIDE(cdc721_state, cdc721)
MCFG_GFXDECODE(cdc721)
MACHINE_CONFIG_END
ROM_START( cdc721 )
ROM_REGION( 0x6000, "maincpu", 0 )
ROM_LOAD( "66315359", 0x0000, 0x2000, CRC(20ff3eb4) SHA1(5f15cb14893d75a46dc66d3042356bb054d632c2) )
ROM_LOAD( "66315361", 0x2000, 0x2000, CRC(21d59d09) SHA1(9c087537d68c600ddf1eb9b009cf458231c279f4) )
ROM_LOAD( "66315360", 0x4000, 0x1000, CRC(feaa0fc5) SHA1(f06196553a1f10c07b2f7e495823daf7ea26edee) ) // rom @ 4000
ROM_LOAD( "66307828", 0x5000, 0x1000, CRC(ac97136f) SHA1(0d280e1aa4b9502bd390d260f83af19bf24905cd) ) // keyboard
ROM_REGION( 0x1000, "chargen", 0 )
ROM_LOAD( "66315039", 0x0000, 0x1000, CRC(5c9aa968) SHA1(3ec7c5f25562579e6ed3fda7562428ff5e6b9550) ) // chargen
ROM_END
COMP( 1981, cdc721, 0, 0, cdc721, cdc721, driver_device, 0, "Control Data Corporation", "CDC721 Terminal", GAME_NOT_WORKING | GAME_NO_SOUND_HW )

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@ -2238,3 +2238,5 @@ dps1
octopus
dsb46
grfd2301
cdc721

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@ -2359,6 +2359,7 @@ $(MESSOBJ)/skeleton.a: \
$(MESS_DRIVERS)/chaos.o \
$(MESS_DRIVERS)/chesstrv.o \
$(MESS_DRIVERS)/cd2650.o \
$(MESS_DRIVERS)/cdc721.o \
$(MESS_DRIVERS)/codata.o \
$(MESS_DRIVERS)/cortex.o \
$(MESS_DRIVERS)/cosmicos.o \