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r20619 Wednesday 30th January, 2013 at 23:57:46 UTC by Jonathan Gevaryahu
(MESS) VK100: tag cleanup
[src/mess/drivers]vk100.c

trunk/src/mess/drivers/vk100.c
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137137      m_screen(*this, "screen"),
138138      m_crtc(*this, "crtc"),
139139      m_speaker(*this, BEEPER_TAG),
140      m_uart(*this, "i8251")//,
140      m_uart(*this, "i8251"),
141141      //m_i8251_rx_timer(NULL),
142142      //m_i8251_tx_timer(NULL),
143      //m_sync_timer(NULL)
143      //m_sync_timer(NULL),
144      m_col0(*this, "COL0"),
145      m_col1(*this, "COL1"),
146      m_col2(*this, "COL2"),
147      m_col3(*this, "COL3"),
148      m_col4(*this, "COL4"),
149      m_col5(*this, "COL5"),
150      m_col6(*this, "COL6"),
151      m_col7(*this, "COL7"),
152      m_col8(*this, "COL8"),
153      m_col9(*this, "COL9"),
154      m_cola(*this, "COLA"),
155      m_colb(*this, "COLB"),
156      m_colc(*this, "COLC"),
157      m_cold(*this, "COLD"),
158      m_cole(*this, "COLE"),
159      m_colf(*this, "COLF"),
160      m_capsshift(*this, "CAPSSHIFT"),
161      m_dipsw(*this, "SWITCHES")
144162      { }
145163   required_device<cpu_device> m_maincpu;
146164   required_device<screen_device> m_screen;
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150168   //required_device<> m_i8251_rx_timer;
151169   //required_device<> m_i8251_tx_timer;
152170   //required_device<> m_sync_timer;
171   required_ioport m_col0;
172   required_ioport m_col1;
173   required_ioport m_col2;
174   required_ioport m_col3;
175   required_ioport m_col4;
176   required_ioport m_col5;
177   required_ioport m_col6;
178   required_ioport m_col7;
179   required_ioport m_col8;
180   required_ioport m_col9;
181   required_ioport m_cola;
182   required_ioport m_colb;
183   required_ioport m_colc;
184   required_ioport m_cold;
185   required_ioport m_cole;
186   required_ioport m_colf;
187   required_ioport m_capsshift;
188   required_ioport m_dipsw;
153189
154190   UINT8* m_vram;
155191   UINT8* m_trans;
r20618r20619
496532     to mask their own dividers on custom ordered chips if desired.
497533 *  The COM8116(T)/8136(T) came it at least 4 mask rom types meant for different
498534     input clocks:
499     -000 or no mark for 5.0688Mhz (which exactly matches the table below)
535     -000 or no mark for 5.0688Mhz (which exactly matches the table below) (synertek sy2661-3 also matches this exactly)
500536     -003 is for 6.01835MHz
501537     -005 is for 4.915200Mhz
502538     -006 is for 5.0688Mhz but omits the 2000 baud entry, instead has 200,
r20618r20619
569605#ifdef SYSTAT_A_VERBOSE
570606   if (m_maincpu->pc() != 0x31D) logerror("0x%04X: SYSTAT_A Read!\n", m_maincpu->pc());
571607#endif
572   return ((m_vgGO?0:1)<<7)|(vram_read(machine())<<3)|(((ioport("SWITCHES")->read()>>dipswitchLUT[offset])&1)?0x4:0)|(m_vsync?0x2:0);
608   return ((m_vgGO?0:1)<<7)|(vram_read(machine())<<3)|(((m_dipsw->read()>>dipswitchLUT[offset])&1)?0x4:0)|(m_vsync?0x2:0);
573609}
574610
575611/* port 0x48: "SYSTAT B"; NOT documented in the tech manual at all.
r20618r20619
601637   UINT8 code;
602638   char kbdcol[8];
603639   sprintf(kbdcol,"COL%X", (offset&0xF));
604   code = ioport(kbdcol)->read() | ioport("CAPSSHIFT")->read();
640   ioport_port* col_array[16] = { m_col0, m_col1, m_col2, m_col3, m_col4, m_col5, m_col6, m_col7,
641                  m_col8, m_col9, m_cola, m_colb, m_colc, m_cold, m_cole, m_colf };
642   code = col_array[offset&0xF]->read() | m_capsshift->read();
605643#ifdef KBD_VERBOSE
606644   logerror("Keyboard column %X read, returning %02X\n", offset&0xF, code);
607645#endif
r20618r20619
658696*/
659697static ADDRESS_MAP_START(vk100_io, AS_IO, 8, vk100_state)
660698   ADDRESS_MAP_UNMAP_HIGH
661   //ADDRESS_MAP_GLOBAL_MASK(0x7f) // guess, probably correct
699   ADDRESS_MAP_GLOBAL_MASK(0x7f) // guess, probably correct
662700   AM_RANGE(0x00, 0x00) AM_MIRROR(0xBE) AM_DEVWRITE("crtc", mc6845_device, address_w)
663701   AM_RANGE(0x01, 0x01) AM_MIRROR(0xBE) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w)
664702   // Comments are from page 118 (5-14) of http://web.archive.org/web/20091015205827/http://www.computer.museum.uq.edu.au/pdf/EK-VK100-TM-001%20VK100%20Technical%20Manual.pdf
r20618r20619
720758      PORT_BIT(0x3f, IP_ACTIVE_HIGH, IPT_UNUSED)
721759      PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
722760      PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_TOGGLE PORT_NAME("Caps lock") PORT_CODE(KEYCODE_CAPSLOCK)
723      PORT_START("COL0")
761   PORT_START("COL0")
724762      PORT_BIT(0x1f, IP_ACTIVE_LOW, IPT_UNUSED)
725763      PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) // row 0 bit 6 is always low, checked by keyboard test
726764      PORT_BIT(0xc0, IP_ACTIVE_HIGH, IPT_UNUSED) // all rows have these bits left low to save a mask op later
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10041042/* according to http://www.computer.museum.uq.edu.au/pdf/EK-VK100-TM-001%20VK100%20Technical%20Manual.pdf
10051043page 5-10 (pdf pg 114), The 4 firmware roms should go from 0x0000-0x1fff,
100610440x2000-0x3fff, 0x4000-0x5fff and 0x6000-0x63ff; The last rom is actually a
1007little bit longer and goes to 6fff. The data goes 6000-67ff and the 6800-6ff
1008area is blank.
1045little bit longer and goes to 67ff.
10091046*/
10101047ROM_START( vk100 )
10111048   ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
10121049   ROM_LOAD( "23-031e4-00.rom1.e53", 0x0000, 0x2000, CRC(c8596398) SHA1(a8dc833dcdfb7550c030ac3d4143e266b1eab03a))
10131050   ROM_LOAD( "23-017e4-00.rom2.e52", 0x2000, 0x2000, CRC(e857a01e) SHA1(914b2c51c43d0d181ffb74e3ea59d74e70ab0813))
10141051   ROM_LOAD( "23-018e4-00.rom3.e51", 0x4000, 0x2000, CRC(b3e7903b) SHA1(8ad6ed25cd9b04a9968aa09ab69ba526d35ca550))
1015   ROM_LOAD( "23-190e2-00.rom4.e50", 0x6000, 0x1000, CRC(ad596fa5) SHA1(b30a24155640d32c1b47a3a16ea33cd8df2624f6))
1052   ROM_LOAD( "23-190e2-00.rom4.e50", 0x6000, 0x1000, CRC(ad596fa5) SHA1(b30a24155640d32c1b47a3a16ea33cd8df2624f6)) // probably an overdump, e2 implies the size is 0x800 not 0x1000, and the end is all blank
10161053
10171054   ROM_REGION( 0x8000, "vram", ROMREGION_ERASE00 ) // 32k of vram
10181055

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