diff options
author | 2012-08-21 10:41:19 +0000 | |
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committer | 2012-08-21 10:41:19 +0000 | |
commit | 7285b359d259b2ae0fdf85096571c386ec8c991a (patch) | |
tree | a027aff57f1a255f9ec6cfd3b68cabe4b6683998 /src/mess/drivers/mes.c | |
parent | 67c425e90757876a6716b7867df30c0149912e74 (diff) |
Merge of MESS sources (no whatsnew)
Diffstat (limited to 'src/mess/drivers/mes.c')
-rw-r--r-- | src/mess/drivers/mes.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/mess/drivers/mes.c b/src/mess/drivers/mes.c new file mode 100644 index 00000000000..bc4976b9e9f --- /dev/null +++ b/src/mess/drivers/mes.c @@ -0,0 +1,141 @@ +/*************************************************************************** + + Schleicher MES + + 30/08/2010 Skeleton driver + +****************************************************************************/ + +#include "emu.h" +#include "cpu/z80/z80.h" + +#define MACHINE_RESET_MEMBER(name) void name::machine_reset() +#define VIDEO_START_MEMBER(name) void name::video_start() +#define SCREEN_UPDATE16_MEMBER(name) UINT32 name::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) + +class mes_state : public driver_device +{ +public: + mes_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_p_videoram(*this, "p_videoram"){ } + + required_device<cpu_device> m_maincpu; + const UINT8 *m_p_chargen; + required_shared_ptr<const UINT8> m_p_videoram; + virtual void machine_reset(); + virtual void video_start(); + UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); +}; + + + +static ADDRESS_MAP_START(mes_mem, AS_PROGRAM, 8, mes_state) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x0000, 0x0fff) AM_ROM + AM_RANGE(0x1000, 0xefff) AM_RAM + AM_RANGE(0xf000, 0xffff) AM_RAM AM_SHARE("p_videoram") +ADDRESS_MAP_END + +static ADDRESS_MAP_START( mes_io, AS_IO, 8, mes_state) + ADDRESS_MAP_GLOBAL_MASK(0xff) +ADDRESS_MAP_END + +/* Input ports */ +static INPUT_PORTS_START( mes ) +INPUT_PORTS_END + +MACHINE_RESET_MEMBER(mes_state) +{ +} + +VIDEO_START_MEMBER( mes_state ) +{ + m_p_chargen = memregion("chargen")->base(); +} + +/* This system appears to have 2 screens. Not implemented. + Also the screen dimensions are a guess. */ +SCREEN_UPDATE16_MEMBER( mes_state ) +{ + //static UINT8 framecnt=0; + UINT8 y,ra,chr,gfx; + UINT16 sy=0,ma=0,x,xx; + + //framecnt++; + + for (y = 0; y < 25; y++) + { + for (ra = 0; ra < 10; ra++) + { + UINT16 *p = &bitmap.pix16(sy++); + + xx = ma; + for (x = ma; x < ma + 80; x++) + { + gfx = 0; + if (ra < 9) + { + chr = m_p_videoram[xx++]; + + // /* Take care of flashing characters */ + // if ((chr < 0x80) && (framecnt & 0x08)) + // chr |= 0x80; + + if (chr & 0x80) // ignore attribute bytes + x--; + else + gfx = m_p_chargen[(chr<<4) | ra ]; + } + /* Display a scanline of a character */ + *p++ = BIT(gfx, 7); + *p++ = BIT(gfx, 6); + *p++ = BIT(gfx, 5); + *p++ = BIT(gfx, 4); + *p++ = BIT(gfx, 3); + *p++ = BIT(gfx, 2); + *p++ = BIT(gfx, 1); + *p++ = BIT(gfx, 0); + } + } + ma+=80; + } + return 0; +} + +static MACHINE_CONFIG_START( mes, mes_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", Z80, XTAL_16MHz / 4) + MCFG_CPU_PROGRAM_MAP(mes_mem) + MCFG_CPU_IO_MAP(mes_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(mes_state, screen_update) + MCFG_SCREEN_SIZE(640, 250) + MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 249) + MCFG_PALETTE_LENGTH(2) + MCFG_PALETTE_INIT(black_and_white) +MACHINE_CONFIG_END + + +/* ROM definition */ +ROM_START( mes ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_LOAD( "mescpu.bin", 0x0000, 0x1000, CRC(b6d90cf4) SHA1(19e608af5bdaabb00a134e1106b151b00e2a0b04)) + + ROM_REGION( 0x10000, "xebec", ROMREGION_ERASEFF ) + ROM_LOAD( "mesxebec.bin", 0x0000, 0x2000, CRC(061b7212) SHA1(c5d600116fb7563c69ebd909eb9613269b2ada0f)) + + /* character generator not dumped, using the one from 'c10' for now */ + ROM_REGION( 0x2000, "chargen", 0 ) + ROM_LOAD( "c10_char.bin", 0x0000, 0x2000, BAD_DUMP CRC(cb530b6f) SHA1(95590bbb433db9c4317f535723b29516b9b9fcbf)) +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 198?, mes, 0, 0, mes, mes, driver_device, 0, "Schleicher", "MES", GAME_NOT_WORKING | GAME_NO_SOUND) |