diff options
Diffstat (limited to 'src/devices/bus/ieee488/softbox.cpp')
| -rw-r--r-- | src/devices/bus/ieee488/softbox.cpp | 84 |
1 files changed, 75 insertions, 9 deletions
diff --git a/src/devices/bus/ieee488/softbox.cpp b/src/devices/bus/ieee488/softbox.cpp index 0a38d5ce9cf..093e9863d62 100644 --- a/src/devices/bus/ieee488/softbox.cpp +++ b/src/devices/bus/ieee488/softbox.cpp @@ -10,13 +10,23 @@ This is an emulation of the SoftBox as a PET/CBM peripheral, where the PET is used as a terminal over IEEE-488. For the standalone mode where an RS-232 terminal is used, and also information on - how to set up the Corvus drive, see: src/mame/drivers/softbox.c. + how to set up the Corvus drive, see: src/mame/skeleton/softbox.cpp */ #include "emu.h" #include "softbox.h" +#include "bus/rs232/rs232.h" +#include "cpu/z80/z80.h" +#include "imagedev/harddriv.h" +#include "machine/com8116.h" +#include "machine/corvushd.h" +#include "machine/i8251.h" +#include "machine/i8255.h" + + +namespace { //************************************************************************** // MACROS / CONSTANTS @@ -30,13 +40,6 @@ -//************************************************************************** -// DEVICE DEFINITIONS -//************************************************************************** - -DEFINE_DEVICE_TYPE(SOFTBOX, softbox_device, "pet_softbox", "SSE SoftBox") - - //------------------------------------------------- // ROM( softbox ) //------------------------------------------------- @@ -56,6 +59,60 @@ ROM_START( softbox ) ROM_END +//************************************************************************** +// TYPE DECLARATIONS +//************************************************************************** + +// ======================> softbox_device + +class softbox_device : public device_t, + public device_ieee488_interface +{ +public: + // construction/destruction + softbox_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + // device_t implementation + virtual void device_start() override ATTR_COLD; + virtual void device_reset_after_children() override; + virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; + virtual ioport_constructor device_input_ports() const override ATTR_COLD; + + // device_ieee488_interface implementation + virtual void ieee488_ifc(int state) override; + +private: + enum + { + LED_A = 0, + LED_B, + LED_READY + }; + + uint8_t ppi0_pa_r(); + void ppi0_pb_w(uint8_t data); + + uint8_t ppi1_pa_r(); + void ppi1_pb_w(uint8_t data); + uint8_t ppi1_pc_r(); + void ppi1_pc_w(uint8_t data); + + void dbrg_w(uint8_t data); + + void softbox_io(address_map &map) ATTR_COLD; + void softbox_mem(address_map &map) ATTR_COLD; + + required_device<cpu_device> m_maincpu; + required_device<com8116_device> m_dbrg; + required_device<corvus_hdc_device> m_hdc; + output_finder<3> m_leds; + + int m_ifc; // Tracks previous state of IEEE-488 IFC line +}; + + //------------------------------------------------- // rom_region - device-specific ROM region //------------------------------------------------- @@ -313,7 +370,7 @@ ioport_constructor softbox_device::device_input_ports() const //------------------------------------------------- softbox_device::softbox_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : device_t(mconfig, SOFTBOX, tag, owner, clock) + : device_t(mconfig, GPIB_SOFTBOX, tag, owner, clock) , device_ieee488_interface(mconfig, *this) , m_maincpu(*this, Z80_TAG) , m_dbrg(*this, "ic14") @@ -380,3 +437,12 @@ void softbox_device::dbrg_w(uint8_t data) m_dbrg->str_w(data & 0x0f); m_dbrg->stt_w(data >> 4); } + +} // anonymous namespace + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE_PRIVATE(GPIB_SOFTBOX, device_ieee488_interface, softbox_device, "gpib_softbox", "SSE SoftBox") |
