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authorGravatarGravatar R. Belmont <rb6502@users.noreply.github.com>2013-02-10 16:45:56 +0000
committerGravatarGravatar R. Belmont <rb6502@users.noreply.github.com>2013-02-10 16:45:56 +0000
commit39431cdbe71b8173575e881dc01b009706c32273 (patch) (github)
treebb3d68183e1d02a5816de25b1f20b8e93899d5cb
parentffd7f210779700003fc24380b07c60bc9ea06bcf (diff)
downloadmame-39431cdbe71b8173575e881dc01b009706c32273.tar.bz2
mame-39431cdbe71b8173575e881dc01b009706c32273.zip
(MESS) checkpoint: AE Vulcan IDE card (nw)
-rw-r--r--.gitattributes2
-rw-r--r--src/mess/machine/a2vulcan.c261
-rw-r--r--src/mess/machine/a2vulcan.h65
-rw-r--r--src/mess/mess.mak1
4 files changed, 329 insertions, 0 deletions
diff --git a/.gitattributes b/.gitattributes
index d4851283aa6..7207281fe30 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -6749,6 +6749,8 @@ src/mess/machine/a2thunderclock.c svneol=native#text/plain
src/mess/machine/a2thunderclock.h svneol=native#text/plain
src/mess/machine/a2videoterm.c svneol=native#text/plain
src/mess/machine/a2videoterm.h svneol=native#text/plain
+src/mess/machine/a2vulcan.c svneol=native#text/plain
+src/mess/machine/a2vulcan.h svneol=native#text/plain
src/mess/machine/a7800.c svneol=native#text/plain
src/mess/machine/abc1600_bus.c svneol=native#text/plain
src/mess/machine/abc1600_bus.h svneol=native#text/plain
diff --git a/src/mess/machine/a2vulcan.c b/src/mess/machine/a2vulcan.c
new file mode 100644
index 00000000000..b4e6010fbcd
--- /dev/null
+++ b/src/mess/machine/a2vulcan.c
@@ -0,0 +1,261 @@
+/*********************************************************************
+
+ a2vulcan.c
+
+ Applied Engineering Vulcan IDE controller
+
+ Recognized drives by IDE features parameters:
+ (# of cylinders is never checked, just heads, sectors, and the vendor specific at 0x0A)
+
+ H S Vendor specific #5
+ 8, 33 + 0x69
+ 2, 33 + 0x69
+ 4, 26 + 0x69
+ 5, 29 + (any)
+ 7, 29 + 0x44
+ 9, 29 + (any)
+ 9, 36 + 0x44
+ 9, 36 + 0xff
+ 7, 34 + (any)
+ 4, 17 + 0x55
+ 4, 26 + 0x55
+ 5, 17 + 0x55
+ 6, 26 + 0x55
+ 2, 28 + 0x36
+ 4, 28 + 0x36
+ 4, 28 + 0x67
+ 4, 27 + 0x43
+ 5, 17 + 0x26
+ 15, 32 + 0x43
+ 16, 38 + 0x94
+ 10, 17 + (any)
+
+*********************************************************************/
+
+#include "a2vulcan.h"
+#include "includes/apple2.h"
+#include "machine/idectrl.h"
+#include "imagedev/harddriv.h"
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+const device_type A2BUS_VULCAN = &device_creator<a2bus_vulcan_device>;
+
+#define VULCAN_ROM_REGION "vulcan_rom"
+#define VULCAN_IDE_TAG "vulcan_ide"
+
+static MACHINE_CONFIG_FRAGMENT( vulcan )
+ MCFG_IDE_CONTROLLER_ADD(VULCAN_IDE_TAG, ide_image_devices, "hdd", "hdd", false)
+MACHINE_CONFIG_END
+
+ROM_START( vulcan )
+ ROM_REGION(0x4000, VULCAN_ROM_REGION, 0)
+ ROM_LOAD( "ae vulcan rom v1.4.bin", 0x000000, 0x004000, CRC(798d5825) SHA1(1d668e856e33c6eeb10fe26975341afa8acb81f5) )
+ROM_END
+
+/***************************************************************************
+ FUNCTION PROTOTYPES
+***************************************************************************/
+
+//-------------------------------------------------
+// machine_config_additions - device-specific
+// machine configurations
+//-------------------------------------------------
+
+machine_config_constructor a2bus_vulcanbase_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( vulcan );
+}
+
+//-------------------------------------------------
+// rom_region - device-specific ROM region
+//-------------------------------------------------
+
+const rom_entry *a2bus_vulcanbase_device::device_rom_region() const
+{
+ return ROM_NAME( vulcan );
+}
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+a2bus_vulcanbase_device::a2bus_vulcanbase_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, type, name, tag, owner, clock),
+ device_a2bus_card_interface(mconfig, *this),
+ m_ide(*this, VULCAN_IDE_TAG)
+{
+}
+
+a2bus_vulcan_device::a2bus_vulcan_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ a2bus_vulcanbase_device(mconfig, A2BUS_VULCAN, "Applied Engineering Vulcan IDE controller", tag, owner, clock)
+{
+ m_shortname = "a2vulcan";
+}
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void a2bus_vulcanbase_device::device_start()
+{
+ // set_a2bus_device makes m_slot valid
+ set_a2bus_device();
+
+ astring tempstring;
+ m_rom = device().machine().root_device().memregion(this->subtag(tempstring, VULCAN_ROM_REGION))->base();
+
+ // patch partition table check failure
+// m_rom[0x59e] = 0xea;
+// m_rom[0x59f] = 0xea;
+
+ save_item(NAME(m_lastdata));
+ save_item(NAME(m_ram));
+ save_item(NAME(m_rombank));
+ save_item(NAME(m_rambank));
+}
+
+void a2bus_vulcanbase_device::device_reset()
+{
+ m_rombank = m_rambank = 0;
+ m_last_read_was_0 = false;
+}
+
+
+/*-------------------------------------------------
+ read_c0nx - called for reads from this card's c0nx space
+-------------------------------------------------*/
+
+UINT8 a2bus_vulcanbase_device::read_c0nx(address_space &space, UINT8 offset)
+{
+ switch (offset)
+ {
+ case 0:
+ m_lastdata = ide_controller_r(m_ide, 0x1f0+offset, 2);
+// printf("IDE: read %04x\n", m_lastdata);
+ m_last_read_was_0 = true;
+ return m_lastdata&0xff;
+
+ case 1:
+ if (m_last_read_was_0)
+ {
+ m_last_read_was_0 = false;
+ return (m_lastdata>>8) & 0xff;
+ }
+ else
+ {
+ return ide_controller_r(m_ide, 0x1f0+offset, 1);
+ }
+ break;
+
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ case 6:
+ case 7:
+ return ide_controller_r(m_ide, 0x1f0+offset, 1);
+
+ default:
+// printf("Read @ C0n%x\n", offset);
+ break;
+
+ }
+
+ return 0xff;
+}
+
+
+/*-------------------------------------------------
+ write_c0nx - called for writes to this card's c0nx space
+-------------------------------------------------*/
+
+void a2bus_vulcanbase_device::write_c0nx(address_space &space, UINT8 offset, UINT8 data)
+{
+ switch (offset)
+ {
+ case 0:
+ m_lastdata = data;
+ m_last_read_was_0 = true;
+ break;
+
+ case 1:
+ if (m_last_read_was_0)
+ {
+ m_last_read_was_0 = false;
+ m_lastdata &= 0x00ff;
+ m_lastdata |= (data << 8);
+// printf("IDE: write %04x\n", m_lastdata);
+ ide_controller_w(m_ide, 0x1f0, 2, m_lastdata);
+ }
+ else
+ {
+ ide_controller_w(m_ide, 0x1f0+offset, 1, data);
+ }
+ break;
+
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ case 6:
+ case 7:
+// printf("%02x to IDE controller @ %x\n", data, offset);
+ ide_controller_w(m_ide, 0x1f0+offset, 1, data);
+ break;
+
+ case 9: // ROM bank
+// printf("%x (%x) to ROM bank\n", data, (data & 0xf) * 0x400);
+ m_rombank = (data & 0xf) * 0x400;
+ break;
+
+ case 0xa: // RAM bank
+// printf("%x to RAM bank\n", data);
+ m_rambank = (data & 7) * 0x400;
+ break;
+
+ default:
+ printf("Write %02x @ C0n%x\n", data, offset);
+ break;
+ }
+}
+
+/*-------------------------------------------------
+ read_cnxx - called for reads from this card's cnxx space
+-------------------------------------------------*/
+
+UINT8 a2bus_vulcanbase_device::read_cnxx(address_space &space, UINT8 offset)
+{
+ int slotimg = m_slot * 0x100;
+
+ // ROM contains a CnXX image for each of slots 1-7 at 0x3400
+ return m_rom[offset+slotimg+0x3400];
+}
+
+/*-------------------------------------------------
+ read_c800 - called for reads from this card's c800 space
+-------------------------------------------------*/
+
+UINT8 a2bus_vulcanbase_device::read_c800(address_space &space, UINT16 offset)
+{
+ offset &= 0x7ff;
+ if (offset < 0x400) // c800-cbff is banked RAM window, cc00-cfff is banked ROM window
+ {
+// printf("read RAM @ %x (bank %x)\n", offset, m_rambank);
+ return m_ram[offset + m_rambank];
+ }
+
+ return m_rom[(offset & 0x3ff)+m_rombank];
+}
+
+void a2bus_vulcanbase_device::write_c800(address_space &space, UINT16 offset, UINT8 data)
+{
+ offset &= 0x7ff;
+ if (offset < 0x400)
+ {
+// printf("%02x to RAM @ %x (bank %x)\n", data, offset, m_rambank);
+ m_ram[offset + m_rambank] = data;
+ }
+}
diff --git a/src/mess/machine/a2vulcan.h b/src/mess/machine/a2vulcan.h
new file mode 100644
index 00000000000..9a0bb2c1daa
--- /dev/null
+++ b/src/mess/machine/a2vulcan.h
@@ -0,0 +1,65 @@
+/*********************************************************************
+
+ a2vulcan.h
+
+ Applied Engineering Vulcan IDE controller
+
+*********************************************************************/
+
+#ifndef __A2BUS_VULCAN__
+#define __A2BUS_VULCAN__
+
+#include "emu.h"
+#include "machine/a2bus.h"
+#include "machine/idectrl.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class a2bus_vulcanbase_device:
+ public device_t,
+ public device_a2bus_card_interface
+{
+public:
+ // construction/destruction
+ a2bus_vulcanbase_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual const rom_entry *device_rom_region() const;
+
+protected:
+ virtual void device_start();
+ virtual void device_reset();
+
+ // overrides of standard a2bus slot functions
+ virtual UINT8 read_c0nx(address_space &space, UINT8 offset);
+ virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data);
+ virtual UINT8 read_cnxx(address_space &space, UINT8 offset);
+ virtual UINT8 read_c800(address_space &space, UINT16 offset);
+ virtual void write_c800(address_space &space, UINT16 offset, UINT8 data);
+
+ required_device<ide_controller_device> m_ide;
+
+ UINT8 *m_rom;
+ UINT8 m_ram[8*1024];
+
+private:
+ UINT16 m_lastdata;
+ int m_rombank, m_rambank;
+ bool m_last_read_was_0;
+};
+
+class a2bus_vulcan_device : public a2bus_vulcanbase_device
+{
+public:
+ a2bus_vulcan_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+protected:
+};
+
+// device type definition
+extern const device_type A2BUS_VULCAN;
+
+#endif /* __A2BUS_VULCAN__ */
diff --git a/src/mess/mess.mak b/src/mess/mess.mak
index fa3f2eb3a9d..82c76b9b21d 100644
--- a/src/mess/mess.mak
+++ b/src/mess/mess.mak
@@ -695,6 +695,7 @@ $(MESSOBJ)/apple.a: \
$(MESS_MACHINE)/a2echoii.o \
$(MESS_MACHINE)/a2arcadebd.o \
$(MESS_MACHINE)/a2midi.o \
+ $(MESS_MACHINE)/a2vulcan.o \
$(MESS_MACHINE)/a2estd80col.o \
$(MESS_MACHINE)/a2eext80col.o \
$(MESS_MACHINE)/a2eramworks3.o \