mirror of
https://github.com/holub/mame
synced 2025-04-24 09:20:02 +03:00
Modernized the e05a03 device. Basic testing has been done, but regression testing by someone who knows the driver/system would be appreciated. (nw)
This commit is contained in:
Ivan Vangelista
parent
135c03552f
commit
6ed90fc42a
@ -159,7 +159,7 @@ static ADDRESS_MAP_START( lx800_mem, AS_PROGRAM, 8, lx800_state )
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AM_RANGE(0x0000, 0x7fff) AM_ROM /* 32k firmware */
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AM_RANGE(0x8000, 0x9fff) AM_RAM /* 8k external RAM */
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AM_RANGE(0xa000, 0xbfff) AM_NOP /* not used */
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AM_RANGE(0xc000, 0xdfff) AM_MIRROR(0x1ff8) AM_DEVREADWRITE_LEGACY("ic3b", e05a03_r, e05a03_w)
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AM_RANGE(0xc000, 0xdfff) AM_MIRROR(0x1ff8) AM_DEVREADWRITE("ic3b", e05a03_device, read, write)
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AM_RANGE(0xe000, 0xfeff) AM_NOP /* not used */
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AM_RANGE(0xff00, 0xffff) AM_RAM /* internal CPU RAM */
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ADDRESS_MAP_END
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@ -6,156 +6,147 @@
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#include "emu.h"
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#include "e05a03.h"
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#include "devlegcy.h"
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/***************************************************************************
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TYPE DEFINITIONS
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***************************************************************************/
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struct e05a03_state
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{
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/* 24-bit shift register, port 0x00, 0x01 and 0x02 */
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UINT32 shift;
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/* port 0x03 */
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int busy_leading;
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int busy_software;
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int nlqlp;
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int cndlp;
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#if 0
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int pe;
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int pelp;
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#endif
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/* port 0x04 and 0x05 (9-bit) */
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UINT16 printhead;
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/* port 0x06 (4-bit) */
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UINT8 pf_motor;
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/* port 0x07 (4-bit) */
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UINT8 cr_motor;
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/* callbacks */
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devcb_resolved_write_line out_nlq_lp_func; /* pin 2, nlq lamp output */
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devcb_resolved_write_line out_pe_lp_func; /* pin 3, paper empty lamp output */
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devcb_resolved_write_line out_reso_func; /* pin 25, reset output */
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devcb_resolved_write_line out_pe_func; /* pin 35, centronics pe output */
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devcb_resolved_read8 in_data_func; /* pin 47-54, centronics data input */
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};
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/*****************************************************************************
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INLINE FUNCTIONS
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*****************************************************************************/
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INLINE e05a03_state *get_safe_token(device_t *device)
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{
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assert(device != NULL);
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assert(device->type() == E05A03);
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return (e05a03_state *)downcast<e05a03_device *>(device)->token();
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}
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/*****************************************************************************
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DEVICE INTERFACE
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*****************************************************************************/
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static DEVICE_START( e05a03 )
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const device_type E05A03 = &device_creator<e05a03_device>;
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e05a03_device::e05a03_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: device_t(mconfig, E05A03, "E05A03", tag, owner, clock, "e05a03", __FILE__),
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m_shift(0),
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m_busy_leading(0),
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m_busy_software(0),
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m_nlqlp(0),
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m_cndlp(0),
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#if 0
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m_pe(0),
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m_pelp(0),
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#endif
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m_printhead(0),
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m_pf_motor(0),
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m_cr_motor(0)
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{
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e05a03_state *e05a03 = get_safe_token(device);
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const e05a03_interface *intf = (const e05a03_interface *)device->static_config();
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}
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/* validate some basic stuff */
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assert(device->static_config() != NULL);
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//-------------------------------------------------
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// device_config_complete - perform any
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// operations now that the configuration is
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// complete
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//-------------------------------------------------
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void e05a03_device::device_config_complete()
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{
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// inherit a copy of the static data
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const e05a03_interface *intf = reinterpret_cast<const e05a03_interface *>(static_config());
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if (intf != NULL)
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*static_cast<e05a03_interface *>(this) = *intf;
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// or initialize to defaults if none provided
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else
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{
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memset(&m_in_data_cb, 0 , sizeof(m_in_data_cb));
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memset(&m_out_nlq_lp_cb, 0 , sizeof(m_out_nlq_lp_cb));
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memset(&m_out_pe_lp_cb, 0 , sizeof(m_out_pe_lp_cb));
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memset(&m_out_pe_cb, 0 , sizeof(m_out_pe_cb));
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memset(&m_out_reso_cb, 0 , sizeof(m_out_reso_cb));
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}
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void e05a03_device::device_start()
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{
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/* resolve callbacks */
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e05a03->out_nlq_lp_func.resolve(intf->out_nlq_lp_func, *device);
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e05a03->out_pe_lp_func.resolve(intf->out_pe_lp_func, *device);
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e05a03->out_reso_func.resolve(intf->out_reso_func, *device);
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e05a03->out_pe_func.resolve(intf->out_pe_func, *device);
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e05a03->in_data_func.resolve(intf->in_data_func, *device);
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m_out_nlq_lp_func.resolve(m_out_nlq_lp_cb, *this);
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m_out_pe_lp_func.resolve(m_out_pe_lp_cb, *this);
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m_out_reso_func.resolve(m_out_reso_cb, *this);
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m_out_pe_func.resolve(m_out_pe_cb, *this);
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m_in_data_func.resolve(m_in_data_cb, *this);
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/* register for state saving */
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device->save_item(NAME(e05a03->shift));
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device->save_item(NAME(e05a03->busy_leading));
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device->save_item(NAME(e05a03->busy_software));
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device->save_item(NAME(e05a03->nlqlp));
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device->save_item(NAME(e05a03->cndlp));
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#if 0
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device->save_item(NAME(e05a03->pe));
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device->save_item(NAME(e05a03->pelp));
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#endif
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device->save_item(NAME(e05a03->printhead));
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device->save_item(NAME(e05a03->pf_motor));
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device->save_item(NAME(e05a03->cr_motor));
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save_item(NAME(m_shift));
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save_item(NAME(m_busy_leading));
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save_item(NAME(m_busy_software));
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save_item(NAME(m_nlqlp));
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save_item(NAME(m_cndlp));
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#if 0
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save_item(NAME(m_pe));
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save_item(NAME(m_pelp));
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#endif
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save_item(NAME(m_printhead));
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save_item(NAME(m_pf_motor));
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save_item(NAME(m_cr_motor));
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}
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static DEVICE_RESET( e05a03 )
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//-------------------------------------------------
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// device_reset - device-specific reset
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//-------------------------------------------------
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void e05a03_device::device_reset()
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{
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e05a03_state *e05a03 = get_safe_token(device);
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m_printhead = 0x00;
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m_pf_motor = 0x00;
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m_cr_motor = 0x0f;
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e05a03->printhead = 0x00;
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e05a03->pf_motor = 0x00;
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e05a03->cr_motor = 0x0f;
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m_out_pe_func(0);
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m_out_pe_lp_func(1);
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e05a03->out_pe_func(0);
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e05a03->out_pe_lp_func(1);
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e05a03->busy_software = 1;
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e05a03->nlqlp = 1;
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e05a03->cndlp = 1;
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m_busy_software = 1;
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m_nlqlp = 1;
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m_cndlp = 1;
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}
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/***************************************************************************
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IMPLEMENTATION
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***************************************************************************/
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WRITE8_DEVICE_HANDLER( e05a03_w )
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WRITE8_MEMBER( e05a03_device::write )
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{
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e05a03_state *e05a03 = get_safe_token(device);
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logerror("%s: e05a03_w(%02x): %02x\n", space.machine().describe_context(), offset, data);
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switch (offset)
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{
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/* shift register */
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case 0x00: e05a03->shift = (e05a03->shift & 0x00ffff) | (data << 16); break;
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case 0x01: e05a03->shift = (e05a03->shift & 0xff00ff) | (data << 8); break;
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case 0x02: e05a03->shift = (e05a03->shift & 0xffff00) | (data << 0); break;
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case 0x00: m_shift = (m_shift & 0x00ffff) | (data << 16); break;
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case 0x01: m_shift = (m_shift & 0xff00ff) | (data << 8); break;
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case 0x02: m_shift = (m_shift & 0xffff00) | (data << 0); break;
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case 0x03:
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e05a03->busy_leading = BIT(data, 7);
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e05a03->busy_software = BIT(data, 6);
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e05a03->nlqlp = BIT(data, 4);
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e05a03->cndlp = BIT(data, 3);
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m_busy_leading = BIT(data, 7);
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m_busy_software = BIT(data, 6);
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m_nlqlp = BIT(data, 4);
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m_cndlp = BIT(data, 3);
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e05a03->out_pe_func(BIT(data, 2));
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e05a03->out_pe_lp_func(!BIT(data, 2));
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m_out_pe_func(BIT(data, 2));
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m_out_pe_lp_func(!BIT(data, 2));
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#if 0
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e05a03->pe = BIT(data, 2);
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e05a03->pelp = !BIT(data, 2);
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m_pe = BIT(data, 2);
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m_pelp = !BIT(data, 2);
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#endif
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break;
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/* printhead */
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case 0x04: e05a03->printhead = (e05a03->printhead & 0x100) | !data; break;
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case 0x05: e05a03->printhead = (e05a03->printhead & 0x0ff) | (!(BIT(data, 7) << 8)); break;
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case 0x04: m_printhead = (m_printhead & 0x100) | !data; break;
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case 0x05: m_printhead = (m_printhead & 0x0ff) | (!(BIT(data, 7) << 8)); break;
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/* paper feed and carriage motor phase data*/
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case 0x06: e05a03->pf_motor = (data & 0xf0) >> 4; break;
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case 0x07: e05a03->cr_motor = (data & 0x0f) >> 0; break;
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case 0x06: m_pf_motor = (data & 0xf0) >> 4; break;
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case 0x07: m_cr_motor = (data & 0x0f) >> 0; break;
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}
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}
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READ8_DEVICE_HANDLER( e05a03_r )
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READ8_MEMBER( e05a03_device::read )
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{
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e05a03_state *e05a03 = get_safe_token(device);
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UINT8 result = 0;
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logerror("%s: e05a03_r(%02x)\n", space.machine().describe_context(), offset);
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@ -169,12 +160,12 @@ READ8_DEVICE_HANDLER( e05a03_r )
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break;
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case 0x02:
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result = e05a03->in_data_func(0);
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result = m_in_data_func(0);
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break;
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case 0x03:
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result |= BIT(e05a03->shift, 23) << 7;
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e05a03->shift <<= 1;
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result |= BIT(m_shift, 23) << 7;
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m_shift <<= 1;
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break;
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}
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@ -182,72 +173,34 @@ READ8_DEVICE_HANDLER( e05a03_r )
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}
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/* home position signal */
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WRITE_LINE_DEVICE_HANDLER( e05a03_home_w )
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WRITE_LINE_MEMBER( e05a03_device::home_w )
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{
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}
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/* printhead solenoids trigger */
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WRITE_LINE_DEVICE_HANDLER( e05a03_fire_w )
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WRITE_LINE_MEMBER( e05a03_device::fire_w )
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{
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}
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WRITE_LINE_DEVICE_HANDLER( e05a03_strobe_w )
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WRITE_LINE_MEMBER( e05a03_device::strobe_w )
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{
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}
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READ_LINE_DEVICE_HANDLER( e05a03_busy_r )
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READ_LINE_MEMBER( e05a03_device::busy_r )
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{
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return 1;
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}
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WRITE_LINE_DEVICE_HANDLER( e05a03_resi_w )
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WRITE_LINE_MEMBER( e05a03_device::resi_w )
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{
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e05a03_state *e05a03 = get_safe_token(device);
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if (!state)
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{
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DEVICE_RESET_CALL( e05a03 );
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e05a03->out_reso_func(1);
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device_reset();
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m_out_reso_func(1);
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}
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}
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WRITE_LINE_DEVICE_HANDLER( e05a03_init_w )
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WRITE_LINE_MEMBER( e05a03_device::init_w )
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{
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e05a03_resi_w(device, state);
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}
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const device_type E05A03 = &device_creator<e05a03_device>;
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e05a03_device::e05a03_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: device_t(mconfig, E05A03, "E05A03", tag, owner, clock, "e05a03", __FILE__)
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{
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m_token = global_alloc_clear(e05a03_state);
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}
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//-------------------------------------------------
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// device_config_complete - perform any
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// operations now that the configuration is
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// complete
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//-------------------------------------------------
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void e05a03_device::device_config_complete()
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void e05a03_device::device_start()
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{
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DEVICE_START_NAME( e05a03 )(this);
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}
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//-------------------------------------------------
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// device_reset - device-specific reset
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//-------------------------------------------------
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void e05a03_device::device_reset()
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{
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DEVICE_RESET_NAME( e05a03 )(this);
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resi_w(state);
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}
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@ -14,49 +14,74 @@
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struct e05a03_interface
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{
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devcb_read8 in_data_func;
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devcb_read8 m_in_data_cb;
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devcb_write_line out_nlq_lp_func;
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devcb_write_line out_pe_lp_func;
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devcb_write_line out_pe_func;
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devcb_write_line out_reso_func;
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devcb_write_line m_out_nlq_lp_cb;
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devcb_write_line m_out_pe_lp_cb;
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devcb_write_line m_out_pe_cb;
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devcb_write_line m_out_reso_cb;
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};
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/***************************************************************************
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FUNCTION PROTOTYPES
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***************************************************************************/
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DECLARE_WRITE8_DEVICE_HANDLER( e05a03_w );
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DECLARE_READ8_DEVICE_HANDLER( e05a03_r );
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WRITE_LINE_DEVICE_HANDLER( e05a03_home_w ); /* home position signal */
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WRITE_LINE_DEVICE_HANDLER( e05a03_fire_w ); /* printhead solenoids trigger */
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WRITE_LINE_DEVICE_HANDLER( e05a03_strobe_w );
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READ_LINE_DEVICE_HANDLER( e05a03_busy_r );
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WRITE_LINE_DEVICE_HANDLER( e05a03_resi_w ); /* reset input */
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WRITE_LINE_DEVICE_HANDLER( e05a03_init_w ); /* centronics init */
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/***************************************************************************
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DEVICE CONFIGURATION MACROS
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***************************************************************************/
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class e05a03_device : public device_t
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class e05a03_device : public device_t,
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public e05a03_interface
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{
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public:
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e05a03_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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~e05a03_device() { global_free(m_token); }
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~e05a03_device() {}
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DECLARE_WRITE8_MEMBER( write );
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DECLARE_READ8_MEMBER( read );
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WRITE_LINE_MEMBER( home_w ); /* home position signal */
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WRITE_LINE_MEMBER( fire_w ); /* printhead solenoids trigger */
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WRITE_LINE_MEMBER( strobe_w );
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READ_LINE_MEMBER( busy_r );
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WRITE_LINE_MEMBER( resi_w ); /* reset input */
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WRITE_LINE_MEMBER( init_w ); /* centronics init */
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// access to legacy token
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void *token() const { assert(m_token != NULL); return m_token; }
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protected:
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// device-level overrides
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virtual void device_config_complete();
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virtual void device_start();
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virtual void device_reset();
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private:
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// internal state
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void *m_token;
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/* 24-bit shift register, port 0x00, 0x01 and 0x02 */
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UINT32 m_shift;
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/* port 0x03 */
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int m_busy_leading;
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int m_busy_software;
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int m_nlqlp;
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int m_cndlp;
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#if 0
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int m_pe;
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int m_pelp;
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#endif
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/* port 0x04 and 0x05 (9-bit) */
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UINT16 m_printhead;
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||||
|
||||
/* port 0x06 (4-bit) */
|
||||
UINT8 m_pf_motor;
|
||||
|
||||
/* port 0x07 (4-bit) */
|
||||
UINT8 m_cr_motor;
|
||||
|
||||
/* callbacks */
|
||||
devcb_resolved_write_line m_out_nlq_lp_func; /* pin 2, nlq lamp output */
|
||||
devcb_resolved_write_line m_out_pe_lp_func; /* pin 3, paper empty lamp output */
|
||||
devcb_resolved_write_line m_out_reso_func; /* pin 25, reset output */
|
||||
devcb_resolved_write_line m_out_pe_func; /* pin 35, centronics pe output */
|
||||
devcb_resolved_read8 m_in_data_func; /* pin 47-54, centronics data input */
|
||||
};
|
||||
|
||||
extern const device_type E05A03;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user