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r36132 Saturday 28th February, 2015 at 02:57:57 UTC by R. Belmont
(MESS) apple2: add TMS9918 card from BYTE magazine plus 9938 and 9958 versions. [R. Belmont]
[src/emu/bus]bus.mak
[src/emu/bus/a2bus]ezcgi.c* ezcgi.h*
[src/mess/drivers]apple2.c apple2e.c

trunk/src/emu/bus/a2bus/ezcgi.c
r0r244644
1/*********************************************************************
2
3    ezcgi.c
4
5    "E-Z Color Graphics Interface" by Steve Ciarcia
6    from BYTE Magazine, August, 1982
7    https://archive.org/details/byte-magazine-1982-08-rescan
8
9*********************************************************************/
10
11#include "emu.h"
12#include "ezcgi.h"
13
14
15/***************************************************************************
16    PARAMETERS
17***************************************************************************/
18
19#define TMS_TAG "ezcgi_tms"
20#define SCREEN_TAG "screen"
21
22//**************************************************************************
23//  GLOBAL VARIABLES
24//**************************************************************************
25
26const device_type A2BUS_EZCGI = &device_creator<a2bus_ezcgi_device>;
27const device_type A2BUS_EZCGI_9938 = &device_creator<a2bus_ezcgi_9938_device>;
28const device_type A2BUS_EZCGI_9958 = &device_creator<a2bus_ezcgi_9958_device>;
29
30MACHINE_CONFIG_FRAGMENT( ezcgi )
31   MCFG_DEVICE_ADD( TMS_TAG, TMS9918A, XTAL_10_738635MHz / 2 )
32   MCFG_TMS9928A_VRAM_SIZE(0x4000) // 16k of VRAM
33   MCFG_TMS9928A_OUT_INT_LINE_CB(WRITELINE(a2bus_ezcgi_device, tms_irq_w))
34   MCFG_TMS9928A_SCREEN_ADD_NTSC( SCREEN_TAG )
35   MCFG_SCREEN_UPDATE_DEVICE( TMS_TAG, tms9918a_device, screen_update )
36MACHINE_CONFIG_END
37
38#define MSX2_XBORDER_PIXELS     16
39#define MSX2_YBORDER_PIXELS     28
40#define MSX2_TOTAL_XRES_PIXELS      256 * 2 + (MSX2_XBORDER_PIXELS * 2)
41#define MSX2_TOTAL_YRES_PIXELS      212 * 2 + (MSX2_YBORDER_PIXELS * 2)
42#define MSX2_VISIBLE_XBORDER_PIXELS 8 * 2
43#define MSX2_VISIBLE_YBORDER_PIXELS 14 * 2
44
45MACHINE_CONFIG_FRAGMENT( ezcgi9938 )
46   MCFG_V9938_ADD(TMS_TAG, SCREEN_TAG, 0x30000)   // 192K of VRAM
47   MCFG_V99X8_INTERRUPT_CALLBACK(WRITELINE(a2bus_ezcgi_9938_device, tms_irq_w))
48
49   MCFG_SCREEN_ADD(SCREEN_TAG, RASTER)
50   MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_UPDATE_BEFORE_VBLANK)
51   MCFG_SCREEN_REFRESH_RATE(60)
52   MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
53   MCFG_SCREEN_UPDATE_DEVICE(TMS_TAG, v9938_device, screen_update)
54   MCFG_SCREEN_SIZE(MSX2_TOTAL_XRES_PIXELS, 262*2)
55   MCFG_SCREEN_VISIBLE_AREA(MSX2_XBORDER_PIXELS - MSX2_VISIBLE_XBORDER_PIXELS, MSX2_TOTAL_XRES_PIXELS - MSX2_XBORDER_PIXELS + MSX2_VISIBLE_XBORDER_PIXELS - 1, MSX2_YBORDER_PIXELS - MSX2_VISIBLE_YBORDER_PIXELS, MSX2_TOTAL_YRES_PIXELS - MSX2_YBORDER_PIXELS + MSX2_VISIBLE_YBORDER_PIXELS - 1)
56   MCFG_SCREEN_PALETTE("ezcgi_tms:palette")
57MACHINE_CONFIG_END
58
59MACHINE_CONFIG_FRAGMENT( ezcgi9958 )
60   MCFG_V9958_ADD(TMS_TAG, SCREEN_TAG, 0x30000)   // 192K of VRAM
61   MCFG_V99X8_INTERRUPT_CALLBACK(WRITELINE(a2bus_ezcgi_9958_device, tms_irq_w))
62
63   MCFG_SCREEN_ADD(SCREEN_TAG, RASTER)
64   MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_UPDATE_BEFORE_VBLANK)
65   MCFG_SCREEN_REFRESH_RATE(60)
66   MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
67   MCFG_SCREEN_UPDATE_DEVICE(TMS_TAG, v9938_device, screen_update)
68   MCFG_SCREEN_SIZE(MSX2_TOTAL_XRES_PIXELS, 262*2)
69   MCFG_SCREEN_VISIBLE_AREA(MSX2_XBORDER_PIXELS - MSX2_VISIBLE_XBORDER_PIXELS, MSX2_TOTAL_XRES_PIXELS - MSX2_XBORDER_PIXELS + MSX2_VISIBLE_XBORDER_PIXELS - 1, MSX2_YBORDER_PIXELS - MSX2_VISIBLE_YBORDER_PIXELS, MSX2_TOTAL_YRES_PIXELS - MSX2_YBORDER_PIXELS + MSX2_VISIBLE_YBORDER_PIXELS - 1)
70   MCFG_SCREEN_PALETTE("ezcgi_tms:palette")
71MACHINE_CONFIG_END
72
73//-------------------------------------------------
74//  machine_config_additions - device-specific
75//  machine configurations
76//-------------------------------------------------
77
78machine_config_constructor a2bus_ezcgi_device::device_mconfig_additions() const
79{
80   return MACHINE_CONFIG_NAME( ezcgi );
81}
82
83machine_config_constructor a2bus_ezcgi_9938_device::device_mconfig_additions() const
84{
85   return MACHINE_CONFIG_NAME( ezcgi9938 );
86}
87
88machine_config_constructor a2bus_ezcgi_9958_device::device_mconfig_additions() const
89{
90   return MACHINE_CONFIG_NAME( ezcgi9958 );
91}
92
93//**************************************************************************
94//  LIVE DEVICE
95//**************************************************************************
96
97a2bus_ezcgi_device::a2bus_ezcgi_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
98   device_t(mconfig, A2BUS_EZCGI, "E-Z Color Graphics Interface", tag, owner, clock, "a2ezcgi", __FILE__),
99   device_a2bus_card_interface(mconfig, *this),
100   m_tms(*this, TMS_TAG)
101{
102}
103
104a2bus_ezcgi_device::a2bus_ezcgi_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) :
105   device_t(mconfig, type, name, tag, owner, clock, shortname, source),
106   device_a2bus_card_interface(mconfig, *this),
107   m_tms(*this, TMS_TAG)
108{
109}
110
111a2bus_ezcgi_9938_device::a2bus_ezcgi_9938_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
112   device_t(mconfig, A2BUS_EZCGI_9938, "E-Z Color Graphics Interface (TMS9938)", tag, owner, clock, "a2ezcgi3", __FILE__),
113   device_a2bus_card_interface(mconfig, *this),
114   m_tms(*this, TMS_TAG)
115{
116}
117
118a2bus_ezcgi_9938_device::a2bus_ezcgi_9938_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) :
119   device_t(mconfig, type, name, tag, owner, clock, shortname, source),
120   device_a2bus_card_interface(mconfig, *this),
121   m_tms(*this, TMS_TAG)
122{
123}
124
125a2bus_ezcgi_9958_device::a2bus_ezcgi_9958_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
126   device_t(mconfig, A2BUS_EZCGI_9958, "E-Z Color Graphics Interface (TMS9958)", tag, owner, clock, "a2ezcgi5", __FILE__),
127   device_a2bus_card_interface(mconfig, *this),
128   m_tms(*this, TMS_TAG)
129{
130}
131
132a2bus_ezcgi_9958_device::a2bus_ezcgi_9958_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) :
133   device_t(mconfig, type, name, tag, owner, clock, shortname, source),
134   device_a2bus_card_interface(mconfig, *this),
135   m_tms(*this, TMS_TAG)
136{
137}
138
139//-------------------------------------------------
140//  device_start - device-specific startup
141//-------------------------------------------------
142
143void a2bus_ezcgi_device::device_start()
144{
145   // set_a2bus_device makes m_slot valid
146   set_a2bus_device();
147}
148
149void a2bus_ezcgi_device::device_reset()
150{
151}
152
153void a2bus_ezcgi_9938_device::device_start()
154{
155   // set_a2bus_device makes m_slot valid
156   set_a2bus_device();
157}
158
159void a2bus_ezcgi_9938_device::device_reset()
160{
161}
162
163void a2bus_ezcgi_9958_device::device_start()
164{
165   // set_a2bus_device makes m_slot valid
166   set_a2bus_device();
167}
168
169void a2bus_ezcgi_9958_device::device_reset()
170{
171}
172
173/*
174    C0nx map:
175    0 - TMS read
176    1 - TMS write
177*/
178
179UINT8 a2bus_ezcgi_device::read_c0nx(address_space &space, UINT8 offset)
180{
181   switch (offset)
182   {
183      case 0:
184         return m_tms->vram_read(space, 0);
185
186      case 1:
187         return m_tms->register_read(space, 0);
188   }
189
190   return 0xff;
191}
192
193void a2bus_ezcgi_device::write_c0nx(address_space &space, UINT8 offset, UINT8 data)
194{
195   switch (offset)
196   {
197      case 0:
198         m_tms->vram_write(space, 0, data);
199         break;
200
201      case 1:
202         m_tms->register_write(space, 0, data);
203         break;
204   }
205}
206
207UINT8 a2bus_ezcgi_9938_device::read_c0nx(address_space &space, UINT8 offset)
208{
209   switch (offset)
210   {
211      case 0:
212         return m_tms->vram_r();
213
214      case 1:
215         return m_tms->status_r();
216   }
217
218   return 0xff;
219}
220
221void a2bus_ezcgi_9938_device::write_c0nx(address_space &space, UINT8 offset, UINT8 data)
222{
223   switch (offset)
224   {
225      case 0:
226         m_tms->vram_w(data);
227         break;
228
229      case 1:
230         m_tms->command_w(data);
231         break;
232
233      case 2:
234         m_tms->palette_w(data);
235         break;
236
237      case 3:
238         m_tms->register_w(data);
239         break;
240   }
241}
242
243UINT8 a2bus_ezcgi_9958_device::read_c0nx(address_space &space, UINT8 offset)
244{
245   switch (offset)
246   {
247      case 0:
248         return m_tms->vram_r();
249
250      case 1:
251         return m_tms->status_r();
252   }
253
254   return 0xff;
255}
256
257void a2bus_ezcgi_9958_device::write_c0nx(address_space &space, UINT8 offset, UINT8 data)
258{
259   switch (offset)
260   {
261      case 0:
262         m_tms->vram_w(data);
263         break;
264
265      case 1:
266         m_tms->command_w(data);
267         break;
268
269      case 2:
270         m_tms->palette_w(data);
271         break;
272
273      case 3:
274         m_tms->register_w(data);
275         break;
276   }
277}
278
279WRITE_LINE_MEMBER( a2bus_ezcgi_device::tms_irq_w )
280{
281   if (state)
282   {
283      raise_slot_irq();
284   }
285   else
286   {
287      lower_slot_irq();
288   }
289}
290
291WRITE_LINE_MEMBER( a2bus_ezcgi_9938_device::tms_irq_w )
292{
293   if (state)
294   {
295      raise_slot_irq();
296   }
297   else
298   {
299      lower_slot_irq();
300   }
301}
302
303WRITE_LINE_MEMBER( a2bus_ezcgi_9958_device::tms_irq_w )
304{
305   if (state)
306   {
307      raise_slot_irq();
308   }
309   else
310   {
311      lower_slot_irq();
312   }
313}
314
trunk/src/emu/bus/a2bus/ezcgi.h
r0r244644
1/*********************************************************************
2
3    ezcgi.h
4
5    "E-Z Color Graphics Interface" by Steve Ciarcia
6    from BYTE Magazine, August, 1982
7    https://archive.org/details/byte-magazine-1982-08-rescan
8
9*********************************************************************/
10
11#ifndef __A2BUS_EZCGI__
12#define __A2BUS_EZCGI__
13
14#include "emu.h"
15#include "a2bus.h"
16#include "video/tms9928a.h"
17#include "video/v9938.h"
18
19//**************************************************************************
20//  TYPE DEFINITIONS
21//**************************************************************************
22
23class a2bus_ezcgi_device:
24   public device_t,
25   public device_a2bus_card_interface
26{
27public:
28   // construction/destruction
29   a2bus_ezcgi_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
30   a2bus_ezcgi_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);
31
32   // optional information overrides
33   virtual machine_config_constructor device_mconfig_additions() const;
34
35   DECLARE_WRITE_LINE_MEMBER( tms_irq_w );
36
37protected:
38   virtual void device_start();
39   virtual void device_reset();
40
41   // overrides of standard a2bus slot functions
42   virtual UINT8 read_c0nx(address_space &space, UINT8 offset);
43   virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data);
44
45   required_device<tms9918a_device> m_tms;
46
47private:
48};
49
50class a2bus_ezcgi_9938_device:
51   public device_t,
52   public device_a2bus_card_interface
53{
54public:
55   // construction/destruction
56   a2bus_ezcgi_9938_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
57   a2bus_ezcgi_9938_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);
58
59   // optional information overrides
60   virtual machine_config_constructor device_mconfig_additions() const;
61
62   DECLARE_WRITE_LINE_MEMBER( tms_irq_w );
63
64protected:
65   virtual void device_start();
66   virtual void device_reset();
67
68   // overrides of standard a2bus slot functions
69   virtual UINT8 read_c0nx(address_space &space, UINT8 offset);
70   virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data);
71
72   required_device<v9938_device> m_tms;
73
74private:
75};
76
77class a2bus_ezcgi_9958_device:
78   public device_t,
79   public device_a2bus_card_interface
80{
81public:
82   // construction/destruction
83   a2bus_ezcgi_9958_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
84   a2bus_ezcgi_9958_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);
85
86   // optional information overrides
87   virtual machine_config_constructor device_mconfig_additions() const;
88
89   DECLARE_WRITE_LINE_MEMBER( tms_irq_w );
90
91protected:
92   virtual void device_start();
93   virtual void device_reset();
94
95   // overrides of standard a2bus slot functions
96   virtual UINT8 read_c0nx(address_space &space, UINT8 offset);
97   virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data);
98
99   required_device<v9958_device> m_tms;
100
101private:
102};
103
104// device type definition
105extern const device_type A2BUS_EZCGI;
106extern const device_type A2BUS_EZCGI_9938;
107extern const device_type A2BUS_EZCGI_9958;
108
109#endif  /* __A2BUS_EZCGI__ */
trunk/src/emu/bus/bus.mak
r244643r244644
931931BUSOBJS += $(BUSOBJ)/a2bus/corvfdc02.o
932932BUSOBJS += $(BUSOBJ)/a2bus/ramcard16k.o
933933BUSOBJS += $(BUSOBJ)/a2bus/ramcard128k.o
934BUSOBJS += $(BUSOBJ)/a2bus/ezcgi.o
934935endif
935936
936937#-------------------------------------------------
trunk/src/mess/drivers/apple2.c
r244643r244644
7979#include "bus/a2bus/mouse.h"
8080#include "bus/a2bus/ramcard16k.h"
8181#include "bus/a2bus/ramcard128k.h"
82#include "bus/a2bus/ezcgi.h"
8283
8384#define A2_CPU_TAG "maincpu"
8485#define A2_KBDC_TAG "ay3600"
r244643r244644
12281229   SLOT_INTERFACE("dx1", A2BUS_DX1)    /* Decillonix DX-1 sampler card */
12291230   SLOT_INTERFACE("tm2ho", A2BUS_TIMEMASTERHO) /* Applied Engineering TimeMaster II H.O. */
12301231   SLOT_INTERFACE("mouse", A2BUS_MOUSE)    /* Apple II Mouse Card */
1232   SLOT_INTERFACE("ezcgi", A2BUS_EZCGI)   /* E-Z Color Graphics Interface */
1233   SLOT_INTERFACE("ezcgi9938", A2BUS_EZCGI_9938)   /* E-Z Color Graphics Interface (TMS9938) */
1234   SLOT_INTERFACE("ezcgi9958", A2BUS_EZCGI_9958)   /* E-Z Color Graphics Interface (TMS9958) */
12311235//  SLOT_INTERFACE("magicmusician", A2BUS_MAGICMUSICIAN)    /* Magic Musician Card */
12321236SLOT_INTERFACE_END
12331237
trunk/src/mess/drivers/apple2e.c
r244643r244644
143143#include "bus/a2bus/a2dx1.h"
144144#include "bus/a2bus/timemasterho.h"
145145#include "bus/a2bus/mouse.h"
146#include "bus/a2bus/ezcgi.h"
146147#include "bus/a2bus/a2eauxslot.h"
147148#include "bus/a2bus/a2estd80col.h"
148149#include "bus/a2bus/a2eext80col.h"
r244643r244644
30353036   SLOT_INTERFACE("dx1", A2BUS_DX1)    /* Decillonix DX-1 sampler card */
30363037   SLOT_INTERFACE("tm2ho", A2BUS_TIMEMASTERHO) /* Applied Engineering TimeMaster II H.O. */
30373038   SLOT_INTERFACE("mouse", A2BUS_MOUSE)    /* Apple II Mouse Card */
3039   SLOT_INTERFACE("ezcgi", A2BUS_EZCGI)   /* E-Z Color Graphics Interface */
3040   SLOT_INTERFACE("ezcgi9938", A2BUS_EZCGI_9938)   /* E-Z Color Graphics Interface (TMS9938) */
3041   SLOT_INTERFACE("ezcgi9958", A2BUS_EZCGI_9958)   /* E-Z Color Graphics Interface (TMS9958) */
30383042//  SLOT_INTERFACE("magicmusician", A2BUS_MAGICMUSICIAN)    /* Magic Musician Card */
30393043SLOT_INTERFACE_END
30403044

https://github.com/mamedev/mame/commit/2e294961b4e1a26640633a371264dd3438cc7ddb

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