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v100: Skeleton driver (nw)

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This commit is contained in:
AJR 2017-12-27 11:28:07 -05:00
parent 46dd902fba
commit 5134ebb97f
6 changed files with 103 additions and 22 deletions
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1
scripts/target/mame/mess.lua
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@ -3333,6 +3333,7 @@ files {
createMESSProjects(_target, _subtarget, "visual")
files {
MAME_DIR .. "src/mame/drivers/v100.cpp",
MAME_DIR .. "src/mame/drivers/v1050.cpp",
MAME_DIR .. "src/mame/includes/v1050.h",
MAME_DIR .. "src/mame/machine/v1050kb.cpp",

1
src/devices/machine/com8116.cpp
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@ -35,6 +35,7 @@ const int com8116_device::divisors_16X_5_0688MHz[] =
// SMC/COM8116-003
// from http://www.vintagecomputer.net/fjkraan/comp/divcomp/doc/SMC_BaudGen.pdf page 283 (pdf page 20)
// baud rates are 50, 75, 110, 134.5, 150, 200, 300, 600, 1200, 1800, 2000, 2400, 3600, 4800, 9600, 19200
// SMC/COM8116T-020 should have similar output rates, but clock is unknown and probably different
const int com8116_device::divisors_16X_6_01835MHz[] =
{ 7523, 5015, 3420, 2797, 2508, 1881, 1254, 627, 313, 209, 188, 157, 104, 78, 39, 20 };

21
src/mame/drivers/terminals.cpp
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@ -250,27 +250,6 @@ COMP( 1989, tv965, 0, 0, terminals, terminals, terminals_state, 0, "TeleVideo",
/**************************************************************************************************************
Visual 100. (VT-100 clone)
Chips: D780C-1 (Z80), CRT5037, D8255AC-5, uPB8214C, COM8116T-020, D8251AC, ER1400, 8-sw dip
Crystal: 47.736
***************************************************************************************************************/
ROM_START( v100 )
ROM_REGION(0x10000, "maincpu", 0)
ROM_LOAD( "262-047.u108", 0x0000, 0x1000, CRC(e82f708c) SHA1(20ed83a41fd0703d72a20e170af971181cfbd575) )
ROM_LOAD( "262-048.u110", 0x1000, 0x1000, CRC(830923d3) SHA1(108590234ff84b5856cc2784d738a2a625305953) )
ROM_REGION(0x0800, "chargen", 0)
ROM_LOAD( "241-001.u29", 0x0000, 0x0800, CRC(ef807141) SHA1(cbf3fed001811c5840b9a131d2d3133843cb3b6a) )
ROM_END
COMP( 1982, v100, 0, 0, terminals, terminals, terminals_state, 0, "Visual Technology", "Visual 100", MACHINE_IS_SKELETON )
/**************************************************************************************************************
Visual 102. (VT-102 clone plus graphics)

97
src/mame/drivers/v100.cpp Normal file
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@ -0,0 +1,97 @@
// license:BSD-3-Clause
// copyright-holders:
/***********************************************************************************************************************************
Skeleton driver for Visual 100 display terminal.
************************************************************************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/com8116.h"
//#include "machine/er1400.h"
#include "machine/i8214.h"
#include "machine/i8251.h"
#include "machine/i8255.h"
//#include "video/crt5027.h"
//#include "screen.h"
class v100_state : public driver_device
{
public:
v100_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_p_chargen(*this, "chargen")
{ }
private:
required_device<cpu_device> m_maincpu;
required_region_ptr<u8> m_p_chargen;
};
static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 8, v100_state )
AM_RANGE(0x0000, 0x3fff) AM_ROM AM_REGION("maincpu", 0)
AM_RANGE(0x4000, 0x5fff) AM_RAM
ADDRESS_MAP_END
static ADDRESS_MAP_START( io_map, AS_IO, 8, v100_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
//AM_RANGE(0x00, 0x0f) AM_DEVWRITE("vtac", crt5027_device, write)
// 0x10 - 8116T baud rate
AM_RANGE(0x12, 0x12) AM_DEVREADWRITE("usart", i8251_device, data_r, data_w)
AM_RANGE(0x13, 0x13) AM_DEVREADWRITE("usart", i8251_device, status_r, control_w)
// 0x14-0x15 - second 8251 (not populated)
// 0x16 - second 8116T (not populated)
// 0x20 - read ???
// 0x30 - write ???
AM_RANGE(0x40, 0x40) AM_NOP // read/write ???
// 0x48 - write ???
// 0x60 - write ???
AM_RANGE(0x70, 0x73) AM_DEVREADWRITE("ppi", i8255_device, read, write)
ADDRESS_MAP_END
static INPUT_PORTS_START( v100 )
INPUT_PORTS_END
static MACHINE_CONFIG_START( v100 )
MCFG_CPU_ADD("maincpu", Z80, XTAL_47_736MHz / 12) // divider not verified
MCFG_CPU_PROGRAM_MAP(mem_map)
MCFG_CPU_IO_MAP(io_map)
MCFG_DEVICE_ADD("usart", I8251, XTAL_47_736MHz / 12) // divider not verified
MCFG_DEVICE_ADD("brg", COM8116, 5068800)
MCFG_COM8116_FR_HANDLER(DEVWRITELINE("usart", i8251_device, write_rxc))
MCFG_COM8116_FT_HANDLER(DEVWRITELINE("usart", i8251_device, write_txc))
//MCFG_DEVICE_ADD("vtac", CRT5037, XTAL_47_736MHz / 12) // divider not verified
MCFG_DEVICE_ADD("picu", I8214, XTAL_47_736MHz / 12)
MCFG_DEVICE_ADD("ppi", I8255, 0)
MACHINE_CONFIG_END
/**************************************************************************************************************
Visual 100. (VT-100 clone)
Chips: D780C-1 (Z80), CRT5037, D8255AC-5, uPB8214C, COM8116T-020, D8251AC, ER1400, 8-sw dip
Crystal: 47.736
***************************************************************************************************************/
ROM_START( v100 )
ROM_REGION(0x4000, "maincpu", 0)
ROM_LOAD( "262-047.u108", 0x0000, 0x1000, CRC(e82f708c) SHA1(20ed83a41fd0703d72a20e170af971181cfbd575) )
ROM_LOAD( "262-048.u110", 0x1000, 0x1000, CRC(830923d3) SHA1(108590234ff84b5856cc2784d738a2a625305953) )
ROM_REGION(0x0800, "chargen", 0)
ROM_LOAD( "241-001.u29", 0x0000, 0x0800, CRC(ef807141) SHA1(cbf3fed001811c5840b9a131d2d3133843cb3b6a) )
ROM_END
COMP( 1982, v100, 0, 0, v100, v100, v100_state, 0, "Visual Technology", "Visual 100", MACHINE_IS_SKELETON )

4
src/mame/mame.lst
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@ -36457,7 +36457,6 @@ tr175
tv912c
tv955
tv965
v100
v102
vt420
@ -37429,6 +37428,9 @@ ut88mini //
@source:uzebox.cpp
uzebox //
@source:v100.cpp
v100 //
@source:v1050.cpp
v1050 //

1
src/mame/mess.flt
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@ -723,6 +723,7 @@ univac.cpp
unixpc.cpp
ut88.cpp
uzebox.cpp
v100.cpp
v1050.cpp
v6809.cpp
vax11.cpp