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r19716 Friday 21st December, 2012 at 14:48:36 UTC by Miodrag Milanović
(MESS) New skeleton added:
-----------------------
- TIM-100 [Miodrag Milanovic]
[src/mess]mess.lst mess.mak
[src/mess/drivers]tim100.c*

trunk/src/mess/mess.lst
r19715r19716
21822182ts802h
21832183ts803h
21842184modellot
2185tim100
trunk/src/mess/drivers/tim100.c
r0r19716
1/***************************************************************************
2
3        TIM-100 Terminal
4      Mihajlo Pupin Institute
5
6        21/12/2012 Skeleton driver.
7
8****************************************************************************/
9
10#include "emu.h"
11#include "cpu/i8085/i8085.h"
12#include "machine/i8251.h"
13#include "video/i8275.h"
14
15class tim100_state : public driver_device
16{
17public:
18   tim100_state(const machine_config &mconfig, device_type type, const char *tag)
19      : driver_device(mconfig, type, tag),
20        m_maincpu(*this, "maincpu")
21      { }
22
23   required_device<cpu_device> m_maincpu;
24   UINT32 screen_update_tim100(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
25   bitmap_rgb32 m_bitmap;
26   virtual void machine_reset();
27};
28
29static ADDRESS_MAP_START(tim100_mem, AS_PROGRAM, 8, tim100_state)
30   ADDRESS_MAP_UNMAP_HIGH
31   AM_RANGE(0x0000, 0x1fff) AM_ROM // 2764 at U16   
32   AM_RANGE(0x2000, 0x27ff) AM_RAM // 2KB static ram CDM6116A at U15
33
34   AM_RANGE(0xc000, 0xc001) AM_DEVREADWRITE_LEGACY("i8276", i8275_r, i8275_w)
35
36   AM_RANGE(0x6000, 0x6000) AM_DEVREADWRITE("uart_u17", i8251_device, status_r, control_w)
37   AM_RANGE(0x6001, 0x6001) AM_DEVREADWRITE("uart_u17", i8251_device, data_r, data_w)
38
39   AM_RANGE(0x8000, 0x8000) AM_DEVREADWRITE("uart_u18", i8251_device, status_r, control_w)
40   AM_RANGE(0x8001, 0x8001) AM_DEVREADWRITE("uart_u18", i8251_device, data_r, data_w)
41ADDRESS_MAP_END
42
43static ADDRESS_MAP_START(tim100_io, AS_IO, 8, tim100_state)
44   ADDRESS_MAP_UNMAP_HIGH
45   ADDRESS_MAP_GLOBAL_MASK(0xff)
46ADDRESS_MAP_END
47
48
49/* Input ports */
50static INPUT_PORTS_START( tim100 )
51INPUT_PORTS_END
52
53static const rgb_t tim100_palette[3] = {
54   MAKE_RGB(0x00, 0x00, 0x00), // black
55   MAKE_RGB(0xa0, 0xa0, 0xa0), // white
56   MAKE_RGB(0xff, 0xff, 0xff)   // highlight
57};
58
59void tim100_state::machine_reset()
60{
61   palette_set_colors(machine(), 0, tim100_palette, ARRAY_LENGTH(tim100_palette));
62}
63
64const gfx_layout tim100_charlayout =
65{
66   16, 16,            /* 8x16 characters */
67   128,            /* 128 characters */
68   1,            /* 1 bits per pixel */
69   {0},            /* no bitplanes; 1 bit per pixel */
70   {0,1,2,3,4,5,6,7,0+0x4000,1+0x4000,2+0x4000,3+0x4000,4+0x4000,5+0x4000,6+0x4000,7+0x4000},
71   {0 * 8, 1 * 8, 2 * 8, 3 * 8, 4 * 8, 5 * 8, 6 * 8, 7 * 8,
72    8 * 8, 9 * 8, 10 * 8, 11 * 8, 12 * 8, 13 * 8, 14 * 8, 15 * 8},
73   8*16            /* space between characters */
74};
75
76static GFXDECODE_START( tim100 )
77   GFXDECODE_ENTRY( "chargen", 0x0000, tim100_charlayout, 0, 1 )
78GFXDECODE_END
79
80
81
82UINT32 tim100_state::screen_update_tim100(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
83{
84   device_t *devconf = machine().device("i8276");
85   i8275_update( devconf, bitmap, cliprect);
86   copybitmap(bitmap, m_bitmap, 0, 0, 0, 0, cliprect);
87   return 0;
88}
89
90
91
92static I8275_DISPLAY_PIXELS(tim100_display_pixels)
93{
94   
95   tim100_state *state = device->machine().driver_data<tim100_state>();
96   int i;
97   bitmap_rgb32 &bitmap = state->m_bitmap;
98   const rgb_t *palette = palette_entry_list_raw(bitmap.palette());
99   UINT8 *charmap = state->memregion("chargen")->base();
100   UINT8 pixels = charmap[(linecount & 7) + (charcode << 3)] ^ 0xff;
101   if (vsp) {
102      pixels = 0;
103   }
104   if (lten) {
105      pixels = 0xff;
106   }
107   if (rvv) {
108      pixels ^= 0xff;
109   }
110   for(i=0;i<8;i++) {
111      bitmap.pix32(y, x + i) = palette[(pixels >> (7-i)) & 1 ? (hlgt ? 2 : 1) : 0];
112   }
113   
114}
115
116static const i8275_interface tim100_i8276_interface = {
117   "screen",
118   16,
119   0,
120   DEVCB_CPU_INPUT_LINE("maincpu", I8085_RST65_LINE),
121   DEVCB_NULL,   
122   tim100_display_pixels
123};
124
125static MACHINE_CONFIG_START( tim100, tim100_state )
126   /* basic machine hardware */
127   MCFG_CPU_ADD("maincpu",I8085A, XTAL_4_9152MHz) // divider unknown
128   MCFG_CPU_PROGRAM_MAP(tim100_mem)
129   MCFG_CPU_IO_MAP(tim100_io)
130
131   /* video hardware */
132   MCFG_SCREEN_ADD("screen", RASTER)
133   MCFG_SCREEN_REFRESH_RATE(50)
134   MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
135   MCFG_SCREEN_SIZE(40*16, 16*16)
136   MCFG_SCREEN_VISIBLE_AREA(0, 40*16-1, 0, 16*16-1)
137   MCFG_SCREEN_UPDATE_DRIVER(tim100_state, screen_update_tim100)
138
139   MCFG_GFXDECODE( tim100 )
140
141   MCFG_I8275_ADD   ( "i8276", tim100_i8276_interface)
142   
143   MCFG_PALETTE_LENGTH(2)
144   MCFG_PALETTE_INIT(black_and_white)
145   
146   MCFG_I8251_ADD("uart_u17", default_i8251_interface)
147   MCFG_I8251_ADD("uart_u18", default_i8251_interface)
148MACHINE_CONFIG_END
149
150/* ROM definition */
151ROM_START( tim100 )
152   ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
153   ROM_LOAD( "tim 100 v.3.2.0.u16",   0x0000, 0x2000, CRC(4de9c8ad) SHA1(b0914d6e8d618e92a87b4b39c35391541251e8cc)) 
154   ROM_REGION( 0x2000, "chargen", ROMREGION_ERASEFF )
155   ROM_SYSTEM_BIOS( 0, "212", "v 2.1.2" )
156   ROMX_LOAD( "tim 100kg v.2.1.2.u12", 0x0000, 0x2000, CRC(faf5743c) SHA1(310b662e9535878210f8aaab3e2b846fade60642),ROM_BIOS(1))   
157   ROM_SYSTEM_BIOS( 1, "220", "v 2.2.0" )
158   ROMX_LOAD( "tim 100kg v.2.2.0.u12", 0x0000, 0x2000, CRC(358dbbd3) SHA1(14b7d6ee41b19bedf2f070f5b28b03aaff2cac4f),ROM_BIOS(2))
159ROM_END
160
161/* Driver */
162COMP( 1985, tim100, 0, 0, tim100, tim100, driver_device, 0, "Mihajlo Pupin Institute", "TIM-100", GAME_IS_SKELETON)
trunk/src/mess/mess.mak
r19715r19716
20732073   $(MESS_DRIVERS)/systec.o   \
20742074   $(MESS_DRIVERS)/terak.o      \
20752075   $(MESS_DRIVERS)/tim011.o   \
2076   $(MESS_DRIVERS)/tim100.o   \
20762077   $(MESS_DRIVERS)/tricep.o   \
20772078   $(MESS_DRIVERS)/ts802.o      \
20782079   $(MESS_DRIVERS)/ts803.o      \

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