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-rw-r--r--src/mame/drivers/fidel68k.cpp203
1 files changed, 190 insertions, 13 deletions
diff --git a/src/mame/drivers/fidel68k.cpp b/src/mame/drivers/fidel68k.cpp
index bb2231e78af..8c8f1c20dcd 100644
--- a/src/mame/drivers/fidel68k.cpp
+++ b/src/mame/drivers/fidel68k.cpp
@@ -3,34 +3,58 @@
/******************************************************************************
Fidelity Electronics 68000 based board driver
+
+ TODO:
+ - how does dual-CPU work?
+ - the EAG manual mentions optional voice(speech)
+ - where does the cartridge slot map to?
+ - IRQ level/timing is unknown
******************************************************************************
-Elite Avant Garde (EAG)
------------------------
+Elite Avant Garde (EAG, model 6114)
+-----------------------------------
+
+There are 5 versions of model 6114(V1 to V5). The one emulated here came from a V2,
+but is practically emulated as a V4.
+
+V1: 128KB DRAM, no EEPROM
+V2: 128KB DRAM
+V3: 512KB DRAM
+V4: 1MB DRAM
+V5: 128KB+64KB DRAM, dual-CPU! (2*68K @ 16MHz)
+
+V6-V11 are on model 6117. Older 1986 model 6081 uses a 6502 CPU.
- MC68HC000P12F 16MHz CPU, 16MHz XTAL
-- MB1422A DRAM Controller, 25MHz XTAL near, 4 DRAM slots(this model: slot 1 and 2 64KB)
+- MB1422A DRAM Controller, 25MHz XTAL near, 4 DRAM slots(V2: slot 1 and 2 64KB)
- 2*27C512 EPROM, 2*KM6264AL-10 SRAM, 2*AT28C64X EEPROM(parallel)
+- external module slot, no dumps yet
- OKI M82C51A-2 USART, 4.9152MHz XTAL, assume it's used for factory test/debug
- other special: Chessboard squares are magnet sensors
-
-Memory map:
+Memory map: (of what is known)
-----------
000000-01FFFF: 128KB ROM
104000-107FFF: 16KB SRAM
+200000-2FFFFF: hashtable DRAM (max. 1MB)
+300000-30000F W hi d0: NE591: 7seg data
+300000-30000F W lo d0: NE591: LED data
+300000-30000F R lo d7: 74259?: keypad rows 0-7
+400000-400001 W lo d0-d3: 74145: led/keypad mux, buzzer out
+700002-700003 R lo d7: 74251?: keypad row 8
604000-607FFF: 16KB EEPROM
******************************************************************************/
#include "emu.h"
#include "cpu/m68000/m68000.h"
+#include "machine/nvram.h"
#include "includes/fidelz80.h"
// internal artwork
-#include "fidel_eag.lh"
+#include "fidel_eag.lh" // clickable
class fidel68k_state : public fidelz80base_state
@@ -40,8 +64,13 @@ public:
: fidelz80base_state(mconfig, type, tag)
{ }
- // EAG
- //..
+ // EAG(6114)
+ void eag_prepare_display();
+ DECLARE_READ8_MEMBER(eag_input1_r);
+ DECLARE_WRITE8_MEMBER(eag_leds_w);
+ DECLARE_WRITE8_MEMBER(eag_7seg_w);
+ DECLARE_WRITE8_MEMBER(eag_mux_w);
+ DECLARE_READ8_MEMBER(eag_input2_r);
};
@@ -52,6 +81,56 @@ public:
EAG
******************************************************************************/
+// misc handlers
+
+void fidel68k_state::eag_prepare_display()
+{
+ // 8*7seg leds, (8+1)*8 chessboard leds
+ UINT8 seg_data = BITSWAP8(m_7seg_data,0,1,3,2,7,5,6,4);
+ set_display_segmask(0x1ef, 0x7f);
+ display_matrix(16, 9, m_led_data << 8 | seg_data, m_inp_mux);
+}
+
+
+// TTL
+
+READ8_MEMBER(fidel68k_state::eag_input1_r)
+{
+ // a1-a3,d7: multiplexed inputs (active low)
+ return (read_inputs(9) >> offset & 1) ? 0 : 0x80;
+}
+
+READ8_MEMBER(fidel68k_state::eag_input2_r)
+{
+ // d7: multiplexed inputs highest bit
+ return (read_inputs(9) & 0x100) ? 0x80 : 0;
+}
+
+WRITE8_MEMBER(fidel68k_state::eag_leds_w)
+{
+ // a1-a3,d0: led data
+ m_led_data = (m_led_data & ~(1 << offset)) | ((data & 1) << offset);
+ eag_prepare_display();
+}
+
+WRITE8_MEMBER(fidel68k_state::eag_7seg_w)
+{
+ // a1-a3,d0(d8): digit segment data
+ m_7seg_data = (m_7seg_data & ~(1 << offset)) | ((data & 1) << offset);
+ eag_prepare_display();
+}
+
+WRITE8_MEMBER(fidel68k_state::eag_mux_w)
+{
+ // d0-d3: 74145 A-D
+ // 74145 0-8: input mux, digit/led select
+ // 74145 9: speaker out
+ UINT16 sel = 1 << (data & 0xf);
+ m_speaker->level_w(sel >> 9 & 1);
+ m_inp_mux = sel & 0x1ff;
+ eag_prepare_display();
+}
+
/******************************************************************************
@@ -61,11 +140,15 @@ public:
// EAG
static ADDRESS_MAP_START( eag_map, AS_PROGRAM, 16, fidel68k_state )
- ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x000000, 0x01ffff) AM_ROM
AM_RANGE(0x104000, 0x107fff) AM_RAM
- AM_RANGE(0x200000, 0x20ffff) AM_RAM
- AM_RANGE(0x604000, 0x607fff) AM_RAM
+ AM_RANGE(0x200000, 0x2fffff) AM_RAM // DRAM, max 1MB
+ AM_RANGE(0x300000, 0x30000f) AM_MIRROR(0x000010) AM_READWRITE8(eag_input1_r, eag_leds_w, 0x00ff)
+ AM_RANGE(0x300000, 0x30000f) AM_MIRROR(0x000010) AM_WRITE8(eag_7seg_w, 0xff00) AM_READNOP
+ AM_RANGE(0x400000, 0x400001) AM_WRITE8(eag_mux_w, 0x00ff)
+ AM_RANGE(0x400002, 0x400007) AM_WRITENOP // ?
+ AM_RANGE(0x604000, 0x607fff) AM_RAM AM_SHARE("nvram")
+ AM_RANGE(0x700002, 0x700003) AM_READ8(eag_input2_r, 0x00ff)
ADDRESS_MAP_END
@@ -75,7 +158,98 @@ ADDRESS_MAP_END
******************************************************************************/
static INPUT_PORTS_START( eag )
-
+ PORT_START("IN.0")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square h1")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square g1")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square f1")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square e1")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square d1")
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square c1")
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square b1")
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square a1")
+ PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_DEL) PORT_NAME("CL")
+
+ PORT_START("IN.1")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square h2")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square g2")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square f2")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square e2")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square d2")
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square c2")
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square b2")
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square a2")
+ PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_M) PORT_NAME("DM")
+
+ PORT_START("IN.2")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square h3")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square g3")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square f3")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square e3")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square d3")
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square c3")
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square b3")
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square a3")
+ PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_R) PORT_CODE(KEYCODE_N) PORT_NAME("New Game")
+
+ PORT_START("IN.3")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square h4")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square g4")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square f4")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square e4")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square d4")
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square c4")
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square b4")
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square a4")
+
+ PORT_START("IN.4")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square h5")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square g5")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square f5")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square e5")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square d5")
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square c5")
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square b5")
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square a5")
+
+ PORT_START("IN.5")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square h6")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square g6")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square f6")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square e6")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square d6")
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square c6")
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square b6")
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square a6")
+
+ PORT_START("IN.6")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square h7")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square g7")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square f7")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square e7")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square d7")
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square c7")
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square b7")
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square a7")
+
+ PORT_START("IN.7")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square h8")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square g8")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square f8")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square e8")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square d8")
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square c8")
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square b8")
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Square a8")
+
+ PORT_START("IN.8")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("PB/King")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("PV/Queen")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("TM/Rook")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("ST/Bishop")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("TB/Knight")
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("LV/Pawn")
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_O) PORT_NAME("Option")
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_V) PORT_NAME("RV")
INPUT_PORTS_END
@@ -89,6 +263,9 @@ static MACHINE_CONFIG_START( eag, fidel68k_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M68000, XTAL_16MHz)
MCFG_CPU_PROGRAM_MAP(eag_map)
+ MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, 600) // complete guess
+
+ MCFG_NVRAM_ADD_0FILL("nvram")
MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", fidelz80base_state, display_decay_tick, attotime::from_msec(1))
MCFG_DEFAULT_LAYOUT(layout_fidel_eag)
@@ -117,4 +294,4 @@ ROM_END
******************************************************************************/
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY, FULLNAME, FLAGS */
-COMP( 1989, feagv2, 0, 0, eag, eag, driver_device, 0, "Fidelity Electronics", "Elite Avant Garde V2", MACHINE_SUPPORTS_SAVE | MACHINE_NOT_WORKING )
+COMP( 1989, feagv2, 0, 0, eag, eag, driver_device, 0, "Fidelity Electronics", "Elite Avant Garde (model 6114)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )