diff options
author | 2012-12-21 14:48:36 +0000 | |
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committer | 2012-12-21 14:48:36 +0000 | |
commit | 8532507dea659a5ddc6a2e084efc56952b64f22d (patch) | |
tree | 1f4c0842e8c21a931a322f7502e5577669f140e7 /src/mess/drivers/tim100.c | |
parent | 9d295f8ed3437d876343fa6643406ced3200f5fe (diff) |
(MESS) New skeleton added:
-----------------------
- TIM-100 [Miodrag Milanovic]
Diffstat (limited to 'src/mess/drivers/tim100.c')
-rw-r--r-- | src/mess/drivers/tim100.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/mess/drivers/tim100.c b/src/mess/drivers/tim100.c new file mode 100644 index 00000000000..f22e62ed9de --- /dev/null +++ b/src/mess/drivers/tim100.c @@ -0,0 +1,162 @@ +/*************************************************************************** + + TIM-100 Terminal + Mihajlo Pupin Institute + + 21/12/2012 Skeleton driver. + +****************************************************************************/ + +#include "emu.h" +#include "cpu/i8085/i8085.h" +#include "machine/i8251.h" +#include "video/i8275.h" + +class tim100_state : public driver_device +{ +public: + tim100_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu") + { } + + required_device<cpu_device> m_maincpu; + UINT32 screen_update_tim100(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); + bitmap_rgb32 m_bitmap; + virtual void machine_reset(); +}; + +static ADDRESS_MAP_START(tim100_mem, AS_PROGRAM, 8, tim100_state) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x0000, 0x1fff) AM_ROM // 2764 at U16 + AM_RANGE(0x2000, 0x27ff) AM_RAM // 2KB static ram CDM6116A at U15 + + AM_RANGE(0xc000, 0xc001) AM_DEVREADWRITE_LEGACY("i8276", i8275_r, i8275_w) + + AM_RANGE(0x6000, 0x6000) AM_DEVREADWRITE("uart_u17", i8251_device, status_r, control_w) + AM_RANGE(0x6001, 0x6001) AM_DEVREADWRITE("uart_u17", i8251_device, data_r, data_w) + + AM_RANGE(0x8000, 0x8000) AM_DEVREADWRITE("uart_u18", i8251_device, status_r, control_w) + AM_RANGE(0x8001, 0x8001) AM_DEVREADWRITE("uart_u18", i8251_device, data_r, data_w) +ADDRESS_MAP_END + +static ADDRESS_MAP_START(tim100_io, AS_IO, 8, tim100_state) + ADDRESS_MAP_UNMAP_HIGH + ADDRESS_MAP_GLOBAL_MASK(0xff) +ADDRESS_MAP_END + + +/* Input ports */ +static INPUT_PORTS_START( tim100 ) +INPUT_PORTS_END + +static const rgb_t tim100_palette[3] = { + MAKE_RGB(0x00, 0x00, 0x00), // black + MAKE_RGB(0xa0, 0xa0, 0xa0), // white + MAKE_RGB(0xff, 0xff, 0xff) // highlight +}; + +void tim100_state::machine_reset() +{ + palette_set_colors(machine(), 0, tim100_palette, ARRAY_LENGTH(tim100_palette)); +} + +const gfx_layout tim100_charlayout = +{ + 16, 16, /* 8x16 characters */ + 128, /* 128 characters */ + 1, /* 1 bits per pixel */ + {0}, /* no bitplanes; 1 bit per pixel */ + {0,1,2,3,4,5,6,7,0+0x4000,1+0x4000,2+0x4000,3+0x4000,4+0x4000,5+0x4000,6+0x4000,7+0x4000}, + {0 * 8, 1 * 8, 2 * 8, 3 * 8, 4 * 8, 5 * 8, 6 * 8, 7 * 8, + 8 * 8, 9 * 8, 10 * 8, 11 * 8, 12 * 8, 13 * 8, 14 * 8, 15 * 8}, + 8*16 /* space between characters */ +}; + +static GFXDECODE_START( tim100 ) + GFXDECODE_ENTRY( "chargen", 0x0000, tim100_charlayout, 0, 1 ) +GFXDECODE_END + + + +UINT32 tim100_state::screen_update_tim100(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + device_t *devconf = machine().device("i8276"); + i8275_update( devconf, bitmap, cliprect); + copybitmap(bitmap, m_bitmap, 0, 0, 0, 0, cliprect); + return 0; +} + + + +static I8275_DISPLAY_PIXELS(tim100_display_pixels) +{ + + tim100_state *state = device->machine().driver_data<tim100_state>(); + int i; + bitmap_rgb32 &bitmap = state->m_bitmap; + const rgb_t *palette = palette_entry_list_raw(bitmap.palette()); + UINT8 *charmap = state->memregion("chargen")->base(); + UINT8 pixels = charmap[(linecount & 7) + (charcode << 3)] ^ 0xff; + if (vsp) { + pixels = 0; + } + if (lten) { + pixels = 0xff; + } + if (rvv) { + pixels ^= 0xff; + } + for(i=0;i<8;i++) { + bitmap.pix32(y, x + i) = palette[(pixels >> (7-i)) & 1 ? (hlgt ? 2 : 1) : 0]; + } + +} + +static const i8275_interface tim100_i8276_interface = { + "screen", + 16, + 0, + DEVCB_CPU_INPUT_LINE("maincpu", I8085_RST65_LINE), + DEVCB_NULL, + tim100_display_pixels +}; + +static MACHINE_CONFIG_START( tim100, tim100_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu",I8085A, XTAL_4_9152MHz) // divider unknown + MCFG_CPU_PROGRAM_MAP(tim100_mem) + MCFG_CPU_IO_MAP(tim100_io) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(50) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ + MCFG_SCREEN_SIZE(40*16, 16*16) + MCFG_SCREEN_VISIBLE_AREA(0, 40*16-1, 0, 16*16-1) + MCFG_SCREEN_UPDATE_DRIVER(tim100_state, screen_update_tim100) + + MCFG_GFXDECODE( tim100 ) + + MCFG_I8275_ADD ( "i8276", tim100_i8276_interface) + + MCFG_PALETTE_LENGTH(2) + MCFG_PALETTE_INIT(black_and_white) + + MCFG_I8251_ADD("uart_u17", default_i8251_interface) + MCFG_I8251_ADD("uart_u18", default_i8251_interface) +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( tim100 ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_LOAD( "tim 100 v.3.2.0.u16", 0x0000, 0x2000, CRC(4de9c8ad) SHA1(b0914d6e8d618e92a87b4b39c35391541251e8cc)) + ROM_REGION( 0x2000, "chargen", ROMREGION_ERASEFF ) + ROM_SYSTEM_BIOS( 0, "212", "v 2.1.2" ) + ROMX_LOAD( "tim 100kg v.2.1.2.u12", 0x0000, 0x2000, CRC(faf5743c) SHA1(310b662e9535878210f8aaab3e2b846fade60642),ROM_BIOS(1)) + ROM_SYSTEM_BIOS( 1, "220", "v 2.2.0" ) + ROMX_LOAD( "tim 100kg v.2.2.0.u12", 0x0000, 0x2000, CRC(358dbbd3) SHA1(14b7d6ee41b19bedf2f070f5b28b03aaff2cac4f),ROM_BIOS(2)) +ROM_END + +/* Driver */ +COMP( 1985, tim100, 0, 0, tim100, tim100, driver_device, 0, "Mihajlo Pupin Institute", "TIM-100", GAME_IS_SKELETON) |