diff --git a/.gitattributes b/.gitattributes index 8f1341bb357..454edb779b0 100644 --- a/.gitattributes +++ b/.gitattributes @@ -392,6 +392,8 @@ src/emu/bus/a1bus/a1bus.c svneol=native#text/plain src/emu/bus/a1bus/a1bus.h svneol=native#text/plain src/emu/bus/a1bus/a1cassette.c svneol=native#text/plain src/emu/bus/a1bus/a1cassette.h svneol=native#text/plain +src/emu/bus/a1bus/a1cffa.c svneol=native#text/plain +src/emu/bus/a1bus/a1cffa.h svneol=native#text/plain src/emu/bus/a2bus/a2alfam2.c svneol=native#text/plain src/emu/bus/a2bus/a2alfam2.h svneol=native#text/plain src/emu/bus/a2bus/a2applicard.c svneol=native#text/plain diff --git a/src/emu/bus/a1bus/a1cffa.c b/src/emu/bus/a1bus/a1cffa.c new file mode 100644 index 00000000000..7c81992ace9 --- /dev/null +++ b/src/emu/bus/a1bus/a1cffa.c @@ -0,0 +1,156 @@ +/********************************************************************* + + a1cffa.c + + Rich Dreher's Compact Flash for Apple I + +*********************************************************************/ + +#include "a1cffa.h" + +/*************************************************************************** + PARAMETERS +***************************************************************************/ + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +#define CFFA_ROM_REGION "cffa_rom" +#define CFFA_ATA_TAG "cffa_ata" + +const device_type A1BUS_CFFA = &device_creator; + +MACHINE_CONFIG_FRAGMENT( cffa ) + MCFG_ATA_INTERFACE_ADD(CFFA_ATA_TAG, ata_devices, "hdd", NULL, false) +MACHINE_CONFIG_END + +ROM_START( cffa ) + ROM_REGION(0x2000, CFFA_ROM_REGION, 0) + ROM_LOAD ("cffaromv1.1.bin", 0x0000, 0x1fe0, CRC(bf6b55ad) SHA1(6a290be18485a06f243a3561c4e01be5aafa4bfe) ) +ROM_END + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor a1bus_cffa_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( cffa ); +} + +const rom_entry *a1bus_cffa_device::device_rom_region() const +{ + return ROM_NAME( cffa ); +} + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +a1bus_cffa_device::a1bus_cffa_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, A1BUS_CFFA, "CFFA Compact Flash for Apple I", tag, owner, clock, "cffa1", __FILE__), + device_a1bus_card_interface(mconfig, *this), + m_ata(*this, CFFA_ATA_TAG) +{ +} + +a1bus_cffa_device::a1bus_cffa_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) : + device_t(mconfig, type, name, tag, owner, clock, shortname, source), + device_a1bus_card_interface(mconfig, *this), + m_ata(*this, CFFA_ATA_TAG) +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void a1bus_cffa_device::device_start() +{ + set_a1bus_device(); + + astring tempstring; + m_rom = device().machine().root_device().memregion(this->subtag(tempstring, CFFA_ROM_REGION))->base(); + + install_device(0xafe0, 0xafff, read8_delegate(FUNC(a1bus_cffa_device::cffa_r), this), write8_delegate(FUNC(a1bus_cffa_device::cffa_w), this)); + install_bank(0x9000, 0xafdf, 0, 0, (char *)"bank_cffa1", m_rom); + + save_item(NAME(m_lastdata)); + save_item(NAME(m_writeprotect)); +} + +void a1bus_cffa_device::device_reset() +{ + m_writeprotect = false; + m_lastdata = 0; +} + +READ8_MEMBER(a1bus_cffa_device::cffa_r) +{ + switch (offset & 0xf) + { + case 0x0: + return m_lastdata>>8; + + case 0x3: + m_writeprotect = false; + break; + + case 0x4: + m_writeprotect = true; + break; + + case 0x8: + m_lastdata = m_ata->read_cs0(space, (offset & 0xf) - 8, 0xff); + return m_lastdata & 0x00ff; + + case 0x9: + case 0xa: + case 0xb: + case 0xc: + case 0xd: + case 0xe: + case 0xf: + return m_ata->read_cs0(space, (offset & 0xf) - 8, 0xff); + } + + return 0xff; +} + +WRITE8_MEMBER(a1bus_cffa_device::cffa_w) +{ + switch (offset & 0xf) + { + case 0x0: + m_lastdata &= 0x00ff; + m_lastdata |= data<<8; + break; + + case 0x3: + m_writeprotect = false; + break; + + case 0x4: + m_writeprotect = true; + break; + + + case 0x8: + m_ata->write_cs0(space, (offset & 0xf) - 8, data, 0xff); + break; + + case 0x9: + case 0xa: + case 0xb: + case 0xc: + case 0xd: + case 0xe: + case 0xf: + m_ata->write_cs0(space, (offset & 0xf) - 8, data, 0xff); + break; + + } +} + diff --git a/src/emu/bus/a1bus/a1cffa.h b/src/emu/bus/a1bus/a1cffa.h new file mode 100644 index 00000000000..bfd0b48d3f1 --- /dev/null +++ b/src/emu/bus/a1bus/a1cffa.h @@ -0,0 +1,51 @@ +/********************************************************************* + + a1cffa.h + + Rich Dreher's Compact Flash for Apple I + +*********************************************************************/ + +#ifndef __A1BUS_CFFA__ +#define __A1BUS_CFFA__ + +#include "emu.h" +#include "a1bus.h" +#include "machine/ataintf.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class a1bus_cffa_device: + public device_t, + public device_a1bus_card_interface +{ +public: + // construction/destruction + a1bus_cffa_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + a1bus_cffa_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); + + // optional information overrides + virtual machine_config_constructor device_mconfig_additions() const; + virtual const rom_entry *device_rom_region() const; + + required_device m_ata; + + DECLARE_READ8_MEMBER(cffa_r); + DECLARE_WRITE8_MEMBER(cffa_w); + +protected: + virtual void device_start(); + virtual void device_reset(); + +private: + UINT8 *m_rom; + UINT16 m_lastdata; + bool m_writeprotect; +}; + +// device type definition +extern const device_type A1BUS_CFFA; + +#endif /* __A1BUS_CFFA__ */ diff --git a/src/emu/bus/bus.mak b/src/emu/bus/bus.mak index f26218781f2..b36b6a79b48 100644 --- a/src/emu/bus/bus.mak +++ b/src/emu/bus/bus.mak @@ -1077,5 +1077,6 @@ ifneq ($(filter A1BUS,$(BUSES)),) OBJDIRS += $(BUSOBJ)/a1bus BUSOBJS += $(BUSOBJ)/a1bus/a1bus.o BUSOBJS += $(BUSOBJ)/a1bus/a1cassette.o +BUSOBJS += $(BUSOBJ)/a1bus/a1cffa.o endif diff --git a/src/mess/drivers/apple1.c b/src/mess/drivers/apple1.c index f6c28fb003a..bf144dfd5b7 100644 --- a/src/mess/drivers/apple1.c +++ b/src/mess/drivers/apple1.c @@ -133,6 +133,7 @@ When the prompt returns, press Stop. #include "bus/a1bus/a1bus.h" #include "bus/a1bus/a1cassette.h" +#include "bus/a1bus/a1cffa.h" /* port i/o functions */ @@ -257,6 +258,7 @@ INPUT_PORTS_END static SLOT_INTERFACE_START(apple1_cards) SLOT_INTERFACE("cassette", A1BUS_CASSETTE) + SLOT_INTERFACE("cffa", A1BUS_CFFA) SLOT_INTERFACE_END /* machine definition */