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author | 2012-08-21 10:41:19 +0000 | |
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committer | 2012-08-21 10:41:19 +0000 | |
commit | 7285b359d259b2ae0fdf85096571c386ec8c991a (patch) | |
tree | a027aff57f1a255f9ec6cfd3b68cabe4b6683998 /src/mess/machine/softbox.c | |
parent | 67c425e90757876a6716b7867df30c0149912e74 (diff) |
Merge of MESS sources (no whatsnew)
Diffstat (limited to 'src/mess/machine/softbox.c')
-rw-r--r-- | src/mess/machine/softbox.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/src/mess/machine/softbox.c b/src/mess/machine/softbox.c new file mode 100644 index 00000000000..0aa67eb3260 --- /dev/null +++ b/src/mess/machine/softbox.c @@ -0,0 +1,203 @@ +/********************************************************************** + + SSE SoftBox emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#include "softbox.h" + + + +//************************************************************************** +// MACROS / CONSTANTS +//************************************************************************** + +#define Z80_TAG "z80" +#define I8251_TAG "i8251" +#define I8255_0_TAG "ic17" +#define I8255_1_TAG "ic16" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type SOFTBOX = &device_creator<softbox_device>; + + +//------------------------------------------------- +// ROM( softbox ) +//------------------------------------------------- + +ROM_START( softbox ) + ROM_REGION( 0x1000, Z80_TAG, 0 ) + ROM_LOAD( "379.ic3", 0x000, 0x800, CRC(7b5a737c) SHA1(2348590884b026b7647f6864af8c9ba1c6f8746b) ) // Revision 27-Oct-81 + ROM_LOAD( "380.ic4", 0x800, 0x800, CRC(65a13029) SHA1(46de02e6f04be298047efeb412e00a5714dc21b3) ) // Revision 27-Oct-81 + ROM_LOAD( "389.ic3", 0x000, 0x800, CRC(d66e581a) SHA1(2403e25c140c41b0e6d6975d39c9cd9d6f335048) ) // Revision 09-June-1983 + ROM_LOAD( "390.ic4", 0x800, 0x800, CRC(abe6cb30) SHA1(4b26d5db36f828e01268f718799f145d09b449ad) ) // Revision 09-June-1983 +ROM_END + + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *softbox_device::device_rom_region() const +{ + return ROM_NAME( softbox ); +} + + +//------------------------------------------------- +// ADDRESS_MAP( softbox_mem ) +//------------------------------------------------- + +static ADDRESS_MAP_START( softbox_mem, AS_PROGRAM, 8, softbox_device ) + AM_RANGE(0x0000, 0x0fff) AM_ROM AM_REGION(Z80_TAG, 0) + AM_RANGE(0x1000, 0xefff) AM_RAM + AM_RANGE(0xf000, 0xffff) AM_ROM AM_REGION(Z80_TAG, 0) +ADDRESS_MAP_END + + +//------------------------------------------------- +// ADDRESS_MAP( softbox_io ) +//------------------------------------------------- + +static ADDRESS_MAP_START( softbox_io, AS_IO, 8, softbox_device ) + ADDRESS_MAP_GLOBAL_MASK(0xff) + //AM_RANGE(0x, 0x) AM_DEVREADWRITE(I8251_TAG, i8251_device, data_r, data_w) + //AM_RANGE(0x, 0x) AM_DEVREADWRITE(I8251_TAG, i8251_device, status_r, control_w) + //AM_RANGE(0x, 0x) AM_DEVREADWRITE(I8255_0_TAG, i8255_device, read, write) + //AM_RANGE(0x, 0x) AM_DEVREADWRITE(I8255_1_TAG, i8255_device, read, write) +ADDRESS_MAP_END + + +//------------------------------------------------- +// I8255A_INTERFACE( ppi0_intf ) +//------------------------------------------------- + +static const i8251_interface usart_intf = +{ + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL +}; + + +//------------------------------------------------- +// I8255A_INTERFACE( ppi0_intf ) +//------------------------------------------------- + +static I8255A_INTERFACE( ppi0_intf ) +{ + DEVCB_NULL, // Port A read + DEVCB_NULL, // Port A write + DEVCB_NULL, // Port B read + DEVCB_NULL, // Port B write + DEVCB_NULL, // Port C read + DEVCB_NULL // Port C write +}; + + +//------------------------------------------------- +// I8255A_INTERFACE( ppi1_intf ) +//------------------------------------------------- + +static I8255A_INTERFACE( ppi1_intf ) +{ + DEVCB_NULL, // Port A read + DEVCB_NULL, // Port A write + DEVCB_NULL, // Port B read + DEVCB_NULL, // Port B write + DEVCB_NULL, // Port C read + DEVCB_NULL // Port C write +}; + + +//------------------------------------------------- +// MACHINE_CONFIG_FRAGMENT( softbox ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( softbox ) + MCFG_CPU_ADD(Z80_TAG, Z80, 4000000) // ??? + MCFG_CPU_PROGRAM_MAP(softbox_mem) + MCFG_CPU_IO_MAP(softbox_io) + + MCFG_I8251_ADD(I8251_TAG, usart_intf) + MCFG_I8255A_ADD(I8255_0_TAG, ppi0_intf) + MCFG_I8255A_ADD(I8255_1_TAG, ppi1_intf) +MACHINE_CONFIG_END + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor softbox_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( softbox ); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// softbox_device - constructor +//------------------------------------------------- + +softbox_device::softbox_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : device_t(mconfig, SOFTBOX, "SoftBox", tag, owner, clock), + device_ieee488_interface(mconfig, *this), + m_maincpu(*this, Z80_TAG) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void softbox_device::device_start() +{ +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void softbox_device::device_reset() +{ +} + + +//------------------------------------------------- +// ieee488_atn - attention +//------------------------------------------------- + +void softbox_device::ieee488_atn(int state) +{ +} + + +//------------------------------------------------- +// ieee488_ifc - interface clear +//------------------------------------------------- + +void softbox_device::ieee488_ifc(int state) +{ +} |