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r31675 Sunday 17th August, 2014 at 04:09:41 UTC by R. Belmont
(MESS) Apple II: Add support for the Applied Engineering TimeMaster II H.O. card [R. Belmont]
[src/emu/bus]bus.mak
[src/emu/bus/a2bus]timemasterho.c* timemasterho.h*
[src/mess/drivers]apple2.c

trunk/src/emu/bus/a2bus/timemasterho.c
r0r31675
1/*********************************************************************
2
3    timemasterho.c
4
5    Implemention of the Applied Engineering TimeMaster H.O.
6
7
8    PCB Layout:
9     _____________________________________________________
10    |  ___       _            _____________________       |
11    | | D |     | |MSM5832   |                     |u3    |
12    | | I |   u1| |          |    HD46821P         | ___  |
13    | | P |     |_|          |_____________________|| B | |
14    | |_S_|                           _____         | A | |
15    |                              u2|_____| 74LS245| T | |
16    |  |J1    74LS00  74LS08         ____________   | T | |
17    |  |         _     _          u4|            |  | E | |
18    |  |      u5| | u6| |           |   2716     |  | R | |
19    |  |        |_|   |_|           |____________|  |_Y_| |
20    |____________________________                        _|
21                                 |                      |
22                                 |______________________|
23 
24 
25    DIPS: 1:SET  2:MODE 3:NMI 4:IRQ
26    1 & 4 are on by default.
27 
28    J1: 8 pins for X10 home control functions (top to bottom)
29       1: ADJ  2: 5V  3: MODE  4: GND
30       5: A    6: 5V  7: B     8: GND
31 
32    X10 functions not supported.
33 
34*********************************************************************/
35
36#include "timemasterho.h"
37
38/***************************************************************************
39    PARAMETERS
40***************************************************************************/
41
42//**************************************************************************
43//  GLOBAL VARIABLES
44//**************************************************************************
45
46const device_type A2BUS_TIMEMASTERHO = &device_creator<a2bus_timemasterho_device>;
47
48#define TIMEMASTER_ROM_REGION   "timemst_rom"
49#define TIMEMASTER_PIA_TAG      "timemst_pia"
50#define TIMEMASTER_M5832_TAG   "timemst_msm"
51
52MACHINE_CONFIG_FRAGMENT( timemaster )
53   MCFG_DEVICE_ADD(TIMEMASTER_PIA_TAG, PIA6821, 1021800)
54   MCFG_PIA_WRITEPA_HANDLER(WRITE8(a2bus_timemasterho_device, pia_out_a))
55   MCFG_PIA_WRITEPB_HANDLER(WRITE8(a2bus_timemasterho_device, pia_out_b))
56   MCFG_PIA_IRQA_HANDLER(WRITELINE(a2bus_timemasterho_device, pia_irqa_w))
57   MCFG_PIA_IRQB_HANDLER(WRITELINE(a2bus_timemasterho_device, pia_irqb_w))
58
59   MCFG_DEVICE_ADD(TIMEMASTER_M5832_TAG, MSM5832, 32768)
60MACHINE_CONFIG_END
61
62ROM_START( timemaster )
63   ROM_REGION(0x1000, TIMEMASTER_ROM_REGION, 0)
64   ROM_LOAD( "ae timemaster ii h.o. rom rev. 5.bin", 0x000000, 0x001000, CRC(ff5bd644) SHA1(ae0173da61581a06188c1bee89e95a0aa536c411) )
65ROM_END
66
67static INPUT_PORTS_START( tmho )
68   PORT_START("DSW1")
69   PORT_DIPNAME( 0x01, 0x01, "Set")
70   PORT_DIPSETTING(   0x00, "Apple can't set clock")
71   PORT_DIPSETTING(   0x01, "Apple can set clock")
72
73   PORT_DIPNAME( 0x02, 0x00, "Mode")
74   PORT_DIPSETTING(   0x00, "TimeMaster")
75   PORT_DIPSETTING(   0x02, "Mountain AppleClock")
76
77   PORT_DIPNAME( 0x04, 0x00, "NMI")
78   PORT_DIPSETTING(   0x00,  DEF_STR(Off))
79   PORT_DIPSETTING(   0x04,  DEF_STR(On))
80
81   PORT_DIPNAME( 0x08, 0x08, "IRQ")
82   PORT_DIPSETTING(   0x00,  DEF_STR(Off))
83   PORT_DIPSETTING(   0x08,  DEF_STR(On))
84INPUT_PORTS_END
85
86/***************************************************************************
87    FUNCTION PROTOTYPES
88***************************************************************************/
89
90//-------------------------------------------------
91//  input_ports - device-specific input ports
92//-------------------------------------------------
93
94ioport_constructor a2bus_timemasterho_device::device_input_ports() const
95{
96   return INPUT_PORTS_NAME( tmho );
97}
98
99//-------------------------------------------------
100//  machine_config_additions - device-specific
101//  machine configurations
102//-------------------------------------------------
103
104machine_config_constructor a2bus_timemasterho_device::device_mconfig_additions() const
105{
106   return MACHINE_CONFIG_NAME( timemaster );
107}
108
109//-------------------------------------------------
110//  rom_region - device-specific ROM region
111//-------------------------------------------------
112
113const rom_entry *a2bus_timemasterho_device::device_rom_region() const
114{
115   return ROM_NAME( timemaster );
116}
117
118//**************************************************************************
119//  LIVE DEVICE
120//**************************************************************************
121
122a2bus_timemasterho_device::a2bus_timemasterho_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) :
123   device_t(mconfig, type, name, tag, owner, clock, shortname, source),
124   device_a2bus_card_interface(mconfig, *this),
125   m_pia(*this, TIMEMASTER_PIA_TAG),
126   m_msm5832(*this, TIMEMASTER_M5832_TAG),
127   m_dsw1(*this, "DSW1")
128{
129   m_started = false;
130}
131
132a2bus_timemasterho_device::a2bus_timemasterho_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
133   device_t(mconfig, A2BUS_TIMEMASTERHO, "Applied Engineering TimeMaster H.O.", tag, owner, clock, "a2tmstho", __FILE__),
134   device_a2bus_card_interface(mconfig, *this),
135   m_pia(*this, TIMEMASTER_PIA_TAG),
136   m_msm5832(*this, TIMEMASTER_M5832_TAG),
137   m_dsw1(*this, "DSW1")
138{
139   m_started = false;
140}
141
142//-------------------------------------------------
143//  device_start - device-specific startup
144//-------------------------------------------------
145
146void a2bus_timemasterho_device::device_start()
147{
148   // set_a2bus_device makes m_slot valid
149   set_a2bus_device();
150
151   astring tempstring;
152   m_rom = device().machine().root_device().memregion(this->subtag(tempstring, TIMEMASTER_ROM_REGION))->base();
153}
154
155void a2bus_timemasterho_device::device_reset()
156{
157   m_msm5832->cs_w(ASSERT_LINE);   // CS is tied to Vcc
158   m_started = true;
159}
160
161
162/*-------------------------------------------------
163    read_c0nx - called for reads from this card's c0nx space
164-------------------------------------------------*/
165
166UINT8 a2bus_timemasterho_device::read_c0nx(address_space &space, UINT8 offset)
167{
168   if (offset <= 3)
169   {
170      return m_pia->read(space, offset);
171   }
172
173   return 0xff;
174}
175
176
177/*-------------------------------------------------
178    write_c0nx - called for writes to this card's c0nx space
179-------------------------------------------------*/
180
181void a2bus_timemasterho_device::write_c0nx(address_space &space, UINT8 offset, UINT8 data)
182{
183   if (offset <= 3)
184   {
185      m_pia->write(space, offset, data);
186   }
187}
188
189/*-------------------------------------------------
190    read_cnxx - called for reads from this card's cnxx space
191-------------------------------------------------*/
192
193UINT8 a2bus_timemasterho_device::read_cnxx(address_space &space, UINT8 offset)
194{
195   if (m_started)
196   {
197      if (m_dsw1->read() & 2)   // TimeMaster native
198      {
199         return m_rom[offset+0xc00];
200      }
201   }
202
203   // Mountain Computer compatible
204   return m_rom[offset+0x800];
205}
206
207/*-------------------------------------------------
208    read_c800 - called for reads from this card's c800 space
209-------------------------------------------------*/
210
211UINT8 a2bus_timemasterho_device::read_c800(address_space &space, UINT16 offset)
212{
213   return m_rom[offset+0xc00];
214}
215
216WRITE8_MEMBER(a2bus_timemasterho_device::pia_out_a)
217{
218   // port A appears to be input only
219}
220
221WRITE8_MEMBER(a2bus_timemasterho_device::pia_out_b)
222{
223   m_msm5832->address_w(data & 0xf);
224   m_msm5832->hold_w((data>>4) & 1 ? ASSERT_LINE : CLEAR_LINE);
225   m_msm5832->read_w((data>>5) & 1 ? ASSERT_LINE : CLEAR_LINE);
226
227   if (m_started)
228   {
229      if (!(m_dsw1->read() & 1))
230      {
231         m_msm5832->write_w((data >> 6) & 1 ? ASSERT_LINE : CLEAR_LINE);
232      }
233   }
234
235   // if it's a read, poke it into the PIA
236   if ((data>>5) & 1)
237   {
238      m_pia->porta_w(m_msm5832->data_r(space, 0));
239   }
240}
241
242void a2bus_timemasterho_device::update_irqs()
243{
244   UINT8 dip = 0;
245
246   if (m_started)
247   {
248      dip = m_dsw1->read();
249   }
250
251   if ((m_irqa | m_irqb) == ASSERT_LINE)
252   {
253      if (dip & 4)
254      {
255         raise_slot_nmi();
256      }
257      if (dip & 8)
258      {
259         raise_slot_irq();
260      }
261   }
262   else
263   {
264      lower_slot_irq();
265      lower_slot_nmi();
266   }
267}
268
269WRITE_LINE_MEMBER(a2bus_timemasterho_device::pia_irqa_w)
270{
271   m_irqa = state;
272   update_irqs();
273}
274
275WRITE_LINE_MEMBER(a2bus_timemasterho_device::pia_irqb_w)
276{
277   m_irqb = state;
278   update_irqs();
279}
280
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trunk/src/emu/bus/a2bus/timemasterho.h
r0r31675
1/*********************************************************************
2
3    timemasterho.h
4
5    Implemention of the Applied Engineering TimeMaster H.O.
6
7*********************************************************************/
8
9#ifndef __A2BUS_TIMEMASTERHO__
10#define __A2BUS_TIMEMASTERHO__
11
12#include "emu.h"
13#include "a2bus.h"
14#include "machine/6821pia.h"
15#include "machine/msm5832.h"
16
17//**************************************************************************
18//  TYPE DEFINITIONS
19//**************************************************************************
20
21class a2bus_timemasterho_device:
22   public device_t,
23   public device_a2bus_card_interface
24{
25public:
26   // construction/destruction
27   a2bus_timemasterho_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
28   a2bus_timemasterho_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
29
30   // optional information overrides
31   virtual machine_config_constructor device_mconfig_additions() const;
32   virtual const rom_entry *device_rom_region() const;
33   virtual ioport_constructor device_input_ports() const;
34
35   DECLARE_WRITE8_MEMBER(pia_out_a);
36   DECLARE_WRITE8_MEMBER(pia_out_b);
37   DECLARE_WRITE_LINE_MEMBER(pia_irqa_w);
38   DECLARE_WRITE_LINE_MEMBER(pia_irqb_w);
39
40protected:
41   virtual void device_start();
42   virtual void device_reset();
43
44   // overrides of standard a2bus slot functions
45   virtual UINT8 read_c0nx(address_space &space, UINT8 offset);
46   virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data);
47   virtual UINT8 read_cnxx(address_space &space, UINT8 offset);
48   virtual UINT8 read_c800(address_space &space, UINT16 offset);
49
50   required_device<pia6821_device> m_pia;
51   required_device<msm5832_device> m_msm5832;
52   required_ioport m_dsw1;
53
54private:
55   void update_irqs();
56
57   UINT8 *m_rom;
58   bool m_irqa, m_irqb;
59   bool m_started;
60};
61
62// device type definition
63extern const device_type A2BUS_TIMEMASTERHO;
64
65#endif /* __A2BUS_TIMEMASTERHO__ */
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trunk/src/emu/bus/bus.mak
r31674r31675
717717BUSOBJS += $(BUSOBJ)/a2bus/a2diskiing.o
718718BUSOBJS += $(BUSOBJ)/a2bus/a2mcms.o
719719BUSOBJS += $(BUSOBJ)/a2bus/a2dx1.o
720BUSOBJS += $(BUSOBJ)/a2bus/timemasterho.o
720721endif
721722
722723#-------------------------------------------------
trunk/src/mess/drivers/apple2.c
r31674r31675
223223#include "bus/a2bus/a2corvus.h"
224224#include "bus/a2bus/a2mcms.h"
225225#include "bus/a2bus/a2dx1.h"
226#include "bus/a2bus/timemasterho.h"
226227#include "bus/a2bus/a2estd80col.h"
227228#include "bus/a2bus/a2eext80col.h"
228229#include "bus/a2bus/a2eramworks3.h"
r31674r31675
10241025   SLOT_INTERFACE("mcms1", A2BUS_MCMS1)  /* Mountain Computer Music System, card 1 of 2 */
10251026   SLOT_INTERFACE("mcms2", A2BUS_MCMS2)  /* Mountain Computer Music System, card 2 of 2.  must be in card 1's slot + 1! */
10261027   SLOT_INTERFACE("dx1", A2BUS_DX1)    /* Decillonix DX-1 sampler card */
1028   SLOT_INTERFACE("tm2ho", A2BUS_TIMEMASTERHO)   /* Applied Engineering TimeMaster II H.O. */
10271029SLOT_INTERFACE_END
10281030
10291031static SLOT_INTERFACE_START(apple2eaux_cards)

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