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r13262 Tuesday 15th November, 2011 at 13:42:12 UTC by Curt Coder
[ABC80] Added skeleton for ABC FD2 card (ROMs not dumped yet). [robcfg, Curt Coder]
[src/mess]mess.mak mess_dev.lst
[src/mess/drivers]abc80.c
[src/mess/includes]abc80.h
[src/mess/machine]abc_fd2.c* abc_fd2.h*

src/mess/machine/abc_fd2.c
r0r13262
1/*
2ABC FD2
3 
4PCB Layout
5----------
6 
7  |-------------------------------------------|
8|-|                                           |
9|-|    ROM0                          4MHz     |
10|-|                                           |
11|-|                Z80PIO                     |
12|-|                                        CN1|
13|-|                FD1771    2114             |
14|-|                          2114             |
15|-|                Z80       ROM1             |
16|-|                                           |
17  |-------------------------------------------|
18 
19Notes:
20    Relevant IC's shown.
21 
22    ROM0    - AMI 8005SAJ 1Kx8 EPROM
23   ROM1   - Motorola MCM2708C 1Kx8 EPROM
24   Z80     - Zilog Z-80 CPU
25   Z80PIO   - Zilog Z-80A PIO
26   FD1771  - FD1771-B01
27   2114    - National Semiconductor MM2114N 1Kx4 Static RAM
28   CN1     - 2x17 pin PCB header
29 
30*/
31 
32#include "abc_fd2.h"
33 
34 
35 
36//**************************************************************************
37//  MACROS / CONSTANTS
38//**************************************************************************
39 
40#define Z80_TAG      "2e"
41#define Z80PIO_TAG   "2c"
42#define FD1771_TAG   "2d"
43 
44 
45 
46//**************************************************************************
47//  DEVICE DEFINITIONS
48//**************************************************************************
49 
50const device_type ABC_FD2 = &device_creator<abc_fd2_device>;
51 
52 
53//-------------------------------------------------
54//  ROM( abc_fd2 )
55//-------------------------------------------------
56 
57ROM_START( abc_fd2 )
58   ROM_REGION( 0x400, Z80_TAG, 0 )
59   ROM_LOAD( "1.02.3f", 0x000, 0x400, NO_DUMP )
60 
61   ROM_REGION( 0x400, "abc80", 0 )
62   ROM_LOAD( "ami 8005saj.1a", 0x000, 0x400, NO_DUMP )
63ROM_END
64 
65 
66//-------------------------------------------------
67//  rom_region - device-specific ROM region
68//-------------------------------------------------
69 
70const rom_entry *abc_fd2_device::device_rom_region() const
71{
72   return ROM_NAME( abc_fd2 );
73}
74 
75 
76//-------------------------------------------------
77//  ADDRESS_MAP( abc_fd2_mem )
78//-------------------------------------------------
79 
80static ADDRESS_MAP_START( abc_fd2_mem, AS_PROGRAM, 8, abc_fd2_device )
81   AM_RANGE(0x0000, 0x03ff) AM_ROM AM_REGION(Z80_TAG, 0)
82ADDRESS_MAP_END
83 
84 
85//-------------------------------------------------
86//  ADDRESS_MAP( abc_fd2_io )
87//-------------------------------------------------
88 
89static ADDRESS_MAP_START( abc_fd2_io, AS_IO, 8, abc_fd2_device )
90ADDRESS_MAP_END
91 
92 
93//-------------------------------------------------
94//  Z80PIO_INTERFACE( pio_intf )
95//-------------------------------------------------
96 
97static Z80PIO_INTERFACE( pio_intf )
98{
99   DEVCB_NULL,
100   DEVCB_NULL,
101   DEVCB_NULL,
102   DEVCB_NULL,
103   DEVCB_NULL,
104   DEVCB_NULL,
105   DEVCB_NULL
106};
107 
108 
109//-------------------------------------------------
110//  z80_daisy_config daisy_chain
111//-------------------------------------------------
112 
113static const z80_daisy_config daisy_chain[] =
114{
115   { Z80PIO_TAG },
116   { NULL }
117};
118 
119 
120//-------------------------------------------------
121//  wd17xx_interface fdc_intf
122//-------------------------------------------------
123 
124static const wd17xx_interface fdc_intf =
125{
126   DEVCB_NULL,
127   DEVCB_NULL,
128   DEVCB_NULL,
129   { FLOPPY_0, FLOPPY_1, NULL, NULL }
130};
131 
132 
133//-------------------------------------------------
134//  MACHINE_DRIVER( abc_fd2 )
135//-------------------------------------------------
136 
137static MACHINE_CONFIG_FRAGMENT( abc_fd2 )
138   MCFG_CPU_ADD(Z80_TAG, Z80, XTAL_4MHz/2) // ?
139   MCFG_CPU_PROGRAM_MAP(abc_fd2_mem)
140   MCFG_CPU_IO_MAP(abc_fd2_io)
141   MCFG_CPU_CONFIG(daisy_chain)
142 
143   MCFG_Z80PIO_ADD(Z80PIO_TAG, XTAL_4MHz/2, pio_intf) // ?
144   MCFG_FD1771_ADD(FD1771_TAG, fdc_intf)
145MACHINE_CONFIG_END
146 
147 
148//-------------------------------------------------
149//  machine_config_additions - device-specific
150//  machine configurations
151//-------------------------------------------------
152 
153machine_config_constructor abc_fd2_device::device_mconfig_additions() const
154{
155   return MACHINE_CONFIG_NAME( abc_fd2 );
156}
157 
158 
159 
160//**************************************************************************
161//  LIVE DEVICE
162//**************************************************************************
163 
164//-------------------------------------------------
165//  abc_fd2_device - constructor
166//-------------------------------------------------
167 
168abc_fd2_device::abc_fd2_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
169    : device_t(mconfig, ABC_FD2, "ABC FD2", tag, owner, clock),
170     device_abcbus_card_interface(mconfig, *this),
171     m_maincpu(*this, Z80_TAG),
172     m_pio(*this, Z80PIO_TAG),
173     m_fdc(*this, FD1771_TAG)
174{
175}
176 
177 
178//-------------------------------------------------
179//  device_start - device-specific startup
180//-------------------------------------------------
181 
182void abc_fd2_device::device_start()
183{
184   // find floppy image devices
185   m_image0 = machine().device(FLOPPY_0);
186   m_image1 = machine().device(FLOPPY_1);
187}
188 
189 
190//-------------------------------------------------
191//  device_reset - device-specific reset
192//-------------------------------------------------
193 
194void abc_fd2_device::device_reset()
195{
196}
197 
198 
199 
200//**************************************************************************
201//  ABC BUS INTERFACE
202//**************************************************************************
203 
204//-------------------------------------------------
205//  abcbus_cs -
206//-------------------------------------------------
207 
208void abc_fd2_device::abcbus_cs(UINT8 data)
209{
210}
src/mess/machine/abc_fd2.h
r0r13262
1#pragma once
2 
3#ifndef __ABC_FD2__
4#define __ABC_FD2__
5 
6#define ADDRESS_MAP_MODERN
7 
8#include "emu.h"
9#include "cpu/z80/z80.h"
10#include "cpu/z80/z80daisy.h"
11#include "formats/basicdsk.h"
12#include "imagedev/flopdrv.h"
13#include "machine/abcbus.h"
14#include "machine/wd17xx.h"
15#include "machine/z80pio.h"
16 
17 
18 
19//**************************************************************************
20//  TYPE DEFINITIONS
21//**************************************************************************
22 
23// ======================> abc_fd2_device
24 
25class abc_fd2_device :  public device_t,
26                  public device_abcbus_card_interface
27{
28public:
29    // construction/destruction
30    abc_fd2_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
31 
32   // optional information overrides
33   virtual const rom_entry *device_rom_region() const;
34   virtual machine_config_constructor device_mconfig_additions() const;
35 
36protected:
37    // device-level overrides
38    virtual void device_start();
39   virtual void device_reset();
40    virtual void device_config_complete() { m_shortname = "abcsio"; }
41 
42   // device_abcbus_interface overrides
43   virtual void abcbus_cs(UINT8 data);
44   
45private:
46   required_device<cpu_device> m_maincpu;
47   required_device<z80pio_device> m_pio;
48   required_device<device_t> m_fdc;
49   device_t* m_image0;
50   device_t* m_image1;
51};
52 
53 
54// device type definition
55extern const device_type ABC_FD2;
56 
57 
58 
59#endif
src/mess/includes/abc80.h
r13261r13262
1717#include "imagedev/cassette.h"
1818#include "machine/abcbus.h"
1919#include "machine/abc830.h"
20#include "machine/abc_fd2.h"
2021#include "machine/abc_sio.h"
2122#include "machine/lux10828.h"
2223#include "machine/ram.h"
src/mess/mess_dev.lst
r13261r13262
121121TIFDC
122122UPD7220
123123VIC1112
124ABC_FD2
124125ABC_UNI800
125126ABC_SIO
126127ABC_SLUTPROV
src/mess/mess.mak
r13261r13262
11171117   $(MESS_VIDEO)/abc802.o      \
11181118   $(MESS_VIDEO)/abc806.o      \
11191119   $(MESS_MACHINE)/abcbus.o   \
1120   $(MESS_MACHINE)/abc_fd2.o   \
11201121   $(MESS_MACHINE)/abc_uni800.o   \
11211122   $(MESS_MACHINE)/abc_sio.o   \
11221123   $(MESS_MACHINE)/abc_slutprov.o   \
src/mess/drivers/abc80.c
r13261r13262
654654//-------------------------------------------------
655655
656656static SLOT_INTERFACE_START( abc80_abcbus_cards )
657   SLOT_INTERFACE("fd2", ABC_FD2)
657658   SLOT_INTERFACE("slow", LUXOR_55_10828)
658659   SLOT_INTERFACE("sio", ABC_SIO)
659660SLOT_INTERFACE_END

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