diff options
Diffstat (limited to 'src/emu/machine/fdc37c665gt.c')
-rw-r--r-- | src/emu/machine/fdc37c665gt.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/emu/machine/fdc37c665gt.c b/src/emu/machine/fdc37c665gt.c new file mode 100644 index 00000000000..3c69626ca48 --- /dev/null +++ b/src/emu/machine/fdc37c665gt.c @@ -0,0 +1,59 @@ +#include "fdc37c665gt.h" + +fdc37c665gt_device::fdc37c665gt_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, FDC37C665GT, "FDC37C665GT", tag, owner, clock, "fdc37c665gt", __FILE__), + m_uart1(*this, "uart1"), + m_uart2(*this, "uart2") +{ +} + +READ8_MEMBER(fdc37c665gt_device::read) +{ + UINT8 data = 0; + + if ((offset & 0x3f8) == 0x3f8) + { + data = m_uart1->ins8250_r(space, offset & 7, mem_mask); + } + else if ((offset & 0x3f8) == 0x2f8) + { + data = m_uart2->ins8250_r(space, offset & 7, mem_mask); + } + else + { + printf("fdc37c665gt_device::read %04x %02x\n", offset, data); + } + return data; +} + +WRITE8_MEMBER(fdc37c665gt_device::write) +{ + if ((offset & 0x3f8) == 0x3f8) + { + m_uart1->ins8250_w(space, offset & 7, data, mem_mask); + } + else if ((offset & 0x3f8) == 0x2f8) + { + m_uart2->ins8250_w(space, offset & 7, data, mem_mask); + } + else + { + printf("fdc37c665gt_device::write %04x %02x\n", offset, data); + } +} + +void fdc37c665gt_device::device_start() +{ +} + +static MACHINE_CONFIG_FRAGMENT(fdc37c665gt) + MCFG_DEVICE_ADD("uart1", NS16550, XTAL_24MHz/13) + MCFG_DEVICE_ADD("uart2", NS16550, XTAL_24MHz/13) +MACHINE_CONFIG_END + +machine_config_constructor fdc37c665gt_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME(fdc37c665gt); +} + +const device_type FDC37C665GT = &device_creator<fdc37c665gt_device>; |