diff options
Diffstat (limited to 'src/mess/machine/apollo.c')
-rw-r--r-- | src/mess/machine/apollo.c | 1042 |
1 files changed, 0 insertions, 1042 deletions
diff --git a/src/mess/machine/apollo.c b/src/mess/machine/apollo.c deleted file mode 100644 index 568a9c08fc8..00000000000 --- a/src/mess/machine/apollo.c +++ /dev/null @@ -1,1042 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Hans Ostermeyer, R. Belmont -/* - * apollo.c - Apollo DS3500 CPU Board - * - * Created on: Jan 20, 2011 - * Author: Hans Ostermeyer - * - * Contains: - * - apollo_config.c - APOLLO DS3500 configuration - * - apollo_csr.c - APOLLO DS3500 CPU Control and Status registers - * - apollo_dma.c - APOLLO DS3500 DMA controllers - * - apollo_pic.c - APOLLO DS3500 PIC8259 controllers - * - apollo_ptm.c - APOLLO DS3500 Programmable Timer 6840 - * - apollo_rtc.c - APOLLO DS3500 RTC MC146818 - * - apollo_sio.c - APOLLO DS3500 SIO - * - apollo_sio2.c - APOLLO DS3500 SIO2 - * - apollo_stdio.c - stdio terminal for mess - * - apollo_3c505.h - Apollo 3C505 Ethernet controller - * - * see also: - * - http://www.bitsavers.org/pdf/apollo/008778-03_DOMAIN_Series_3000_4000_Technical_Reference_Aug87.pdf - * - http://www.freescale.com/files/32bit/doc/inactive/MC68681UM.pdf - * - * SIO usage: - * SIO: ch A keyboard, ch B serial console - * SIO2: modem/printer? - * - */ - -#include "includes/apollo.h" - -#include "bus/isa/omti8621.h" -#include "bus/isa/sc499.h" -#include "bus/isa/3c505.h" - -#define APOLLO_IRQ_VECTOR 0xa0 -#define APOLLO_IRQ_PTM 0 -#define APOLLO_IRQ_SIO1 1 -#define APOLLO_IRQ_PIC_SLAVE 3 -#define APOLLO_IRQ_CTAPE 5 -#define APOLLO_IRQ_FDC 6 -#define APOLLO_IRQ_RTC 8 // DN3000 only -#define APOLLO_IRQ_SIO2 8 // DN3500 -#define APOLLO_IRQ_ETH2 9 -#define APOLLO_IRQ_ETH1 10 -#define APOLLO_IRQ_DIAG 13 -#define APOLLO_IRQ_WIN1 14 - -#define APOLLO_DMA_ETH1 6 -#define APOLLO_DMA_ETH2 3 - -//########################################################################## -// machine/apollo_config.c - APOLLO DS3500 configuration -//########################################################################## - -#undef VERBOSE -#define VERBOSE 0 - -static UINT16 config = 0; - -/*************************************************************************** - apollo_config - check configuration setting - ***************************************************************************/ - -int apollo_config(int mask) -{ - return config & mask ? 1 : 0; -} - -/*************************************************************************** - Input Ports - ***************************************************************************/ - -INPUT_PORTS_START( apollo_config ) - PORT_START( "apollo_config" ) - PORT_CONFNAME(APOLLO_CONF_SERVICE_MODE, 0x00, "Normal/Service" ) - PORT_CONFSETTING(0x00, "Service" ) - PORT_CONFSETTING(APOLLO_CONF_SERVICE_MODE, "Normal " ) - - PORT_CONFNAME(APOLLO_CONF_DISPLAY, APOLLO_CONF_8_PLANES, "Graphics Controller") - PORT_CONFSETTING(APOLLO_CONF_8_PLANES, "8-Plane Color") - PORT_CONFSETTING(APOLLO_CONF_4_PLANES, "4-Plane Color") - PORT_CONFSETTING(APOLLO_CONF_MONO_15I, "15\" Monochrome") -// PORT_CONFSETTING(APOLLO_CONF_MONO_19I, "19\" Monochrome") - - PORT_CONFNAME(APOLLO_CONF_GERMAN_KBD, 0x00, "German Keyboard") - PORT_CONFSETTING(0x00, DEF_STR ( Off ) ) - PORT_CONFSETTING(APOLLO_CONF_GERMAN_KBD, DEF_STR ( On ) ) - - PORT_CONFNAME(APOLLO_CONF_20_YEARS_AGO, APOLLO_CONF_20_YEARS_AGO, "20 Years Ago ...") - PORT_CONFSETTING(0x00, DEF_STR ( Off ) ) - PORT_CONFSETTING(APOLLO_CONF_20_YEARS_AGO, DEF_STR ( On ) ) - - PORT_CONFNAME(APOLLO_CONF_25_YEARS_AGO, APOLLO_CONF_25_YEARS_AGO, "25 Years Ago ...") - PORT_CONFSETTING(0x00, DEF_STR ( Off ) ) - PORT_CONFSETTING(APOLLO_CONF_25_YEARS_AGO, DEF_STR ( On ) ) - -// PORT_CONFNAME(APOLLO_CONF_NODE_ID, APOLLO_CONF_NODE_ID, "Node ID from Disk") -// PORT_CONFSETTING(0x00, DEF_STR ( Off ) ) -// PORT_CONFSETTING(APOLLO_CONF_NODE_ID, DEF_STR ( On ) ) - -// PORT_CONFNAME(APOLLO_CONF_IDLE_SLEEP, 0x00, "Idle Sleep") -// PORT_CONFSETTING(0x00, DEF_STR ( Off ) ) -// PORT_CONFSETTING(APOLLO_CONF_IDLE_SLEEP, DEF_STR ( On ) ) - - PORT_CONFNAME(APOLLO_CONF_TRAP_TRACE, 0x00, "Trap Trace") - PORT_CONFSETTING(0x00, DEF_STR ( Off ) ) - PORT_CONFSETTING(APOLLO_CONF_TRAP_TRACE, DEF_STR ( On ) ) - - PORT_CONFNAME(APOLLO_CONF_FPU_TRACE, 0x00, "FPU Trace") - PORT_CONFSETTING(0x00, DEF_STR ( Off ) ) - PORT_CONFSETTING(APOLLO_CONF_FPU_TRACE, DEF_STR ( On ) ) - -// PORT_CONFNAME(APOLLO_CONF_DISK_TRACE, 0x00, "Disk Trace") -// PORT_CONFSETTING(0x00, DEF_STR ( Off ) ) -// PORT_CONFSETTING(APOLLO_CONF_DISK_TRACE, DEF_STR ( On ) ) - -// PORT_CONFNAME(APOLLO_CONF_NET_TRACE, 0x00, "Network Trace") -// PORT_CONFSETTING(0x00, DEF_STR ( Off ) ) -// PORT_CONFSETTING(APOLLO_CONF_NET_TRACE, DEF_STR ( On ) ) - -INPUT_PORTS_END - -class apollo_config_device : public device_t -{ -public: - apollo_config_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); -protected: - // device-level overrides - virtual void device_config_complete(); - virtual void device_start(); - virtual void device_reset(); -private: - // internal state -}; - -extern const device_type APOLLO_CONF; - -const device_type APOLLO_CONF = &device_creator<apollo_config_device>; - -apollo_config_device::apollo_config_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) - : device_t(mconfig, APOLLO_CONF, "Apollo Configuration", tag, owner, clock, "apollo_config", __FILE__) -{ -} - -//------------------------------------------------- -// device_config_complete - perform any -// operations now that the configuration is -// complete -//------------------------------------------------- - -void apollo_config_device::device_config_complete() -{ -} - -//------------------------------------------------- -// device_start - device-specific startup -//------------------------------------------------- - -void apollo_config_device::device_start() -{ - MLOG1(("start apollo_config")); -} - -//------------------------------------------------- -// device_reset - device-specific reset -//------------------------------------------------- - -void apollo_config_device::device_reset() -{ - MLOG1(("reset apollo_config")); - // load configuration - config = machine().root_device().ioport("apollo_config")->read(); -} - - - -//########################################################################## -// machine/apollo_csr.c - APOLLO DS3500 CPU Control and Status registers -//########################################################################## - -#undef VERBOSE -#define VERBOSE 0 - -#define CPU_CONTROL_REGISTER_ADDRESS 0x010100 - -static UINT16 cpu_status_register = APOLLO_CSR_SR_BIT15 | APOLLO_CSR_SR_SERVICE; -static UINT16 cpu_control_register = 0x0000; - -/*------------------------------------------------- - apollo_csr_get/set_servicemode - -------------------------------------------------*/ - -/*static int apollo_csr_get_servicemode() -{ - return cpu_status_register & APOLLO_CSR_SR_SERVICE ? 0 : 1; -}*/ - -static void apollo_csr_set_servicemode(int mode) -{ - apollo_csr_set_status_register(1, mode ? APOLLO_CSR_SR_SERVICE : 0); -} - -UINT16 apollo_csr_get_control_register(void) -{ - return cpu_control_register; -} - -UINT16 apollo_csr_get_status_register(void) -{ - return cpu_status_register; -} - -void apollo_csr_set_status_register(UINT16 mask, UINT16 data) -{ - UINT16 new_value = (cpu_status_register & ~mask) | (data & mask); - - if (new_value != cpu_status_register) - { - cpu_status_register = new_value; - LOG1(("#### setting CPU Status Register with data=%04x & %04x to %04x", data, mask, cpu_status_register)); - } -} - -/*------------------------------------------------- - DN3000/DN3500 CPU Status Register at 0x8000/0x10000 - -------------------------------------------------*/ - -WRITE16_MEMBER(apollo_state::apollo_csr_status_register_w){ - // To clear bus timeouts or parity conditions from status register, - // write to the status register. This register is readonly. - // in DN3500 bit 15 is always set (undocumented !?) - cpu_status_register &= (APOLLO_CSR_SR_BIT15 | APOLLO_CSR_SR_FP_TRAP | APOLLO_CSR_SR_SERVICE); - SLOG1(("writing CPU Status Register at offset %X = %04x & %04x (%04x)", offset, data, mem_mask, cpu_status_register)); -} - -READ16_MEMBER(apollo_state::apollo_csr_status_register_r){ - SLOG2(("reading CPU Status Register at offset %X = %04x & %04x", offset, cpu_status_register, mem_mask)); - return cpu_status_register & mem_mask; -} - -/*------------------------------------------------- - DN3000/DN3500 CPU Control Register at 0x8100/0x10100 - -------------------------------------------------*/ - -WRITE16_MEMBER(apollo_state::apollo_csr_control_register_w) -{ - int leds; - - if ((mem_mask & APOLLO_CSR_CR_FPU_TRAP_ENABLE) == 0) - { - // FPU Trap enable not involved - } - else if (((data ^ cpu_control_register) & APOLLO_CSR_CR_FPU_TRAP_ENABLE) == 0) - { - // FPU Trap enable remains unchanged - } - else if ((data & APOLLO_CSR_CR_FPU_TRAP_ENABLE) == 0) - { - // enable FPU (i.e. FPU opcodes in CPU) - apollo_set_cpu_has_fpu(m_maincpu, 1); - } - else - { - // disable FPU (i.e. FPU opcodes in CPU) - apollo_set_cpu_has_fpu(m_maincpu, 0); - - if (!apollo_is_dn3000()) - { - // hack: set APOLLO_CSR_SR_FP_TRAP in cpu status register for /sau7/self_test - // APOLLO_CSR_SR_FP_TRAP in status register should be set by next fmove instruction - // cpu_status_register |= APOLLO_CSR_SR_FP_TRAP; - } - } - - cpu_control_register = (cpu_control_register & ~mem_mask) | (data & mem_mask); - - output_set_value("internal_led_1", (cpu_control_register >> 15) & 1); - output_set_value("internal_led_2", (cpu_control_register >> 14) & 1); - output_set_value("internal_led_3", (cpu_control_register >> 13) & 1); - output_set_value("internal_led_4", (cpu_control_register >> 12) & 1); - output_set_value("external_led_a", (cpu_control_register >> 11) & 1); - output_set_value("external_led_b", (cpu_control_register >> 10) & 1); - output_set_value("external_led_c", (cpu_control_register >> 9) & 1); - output_set_value("external_led_d", (cpu_control_register >> 8) & 1); - - leds = ((cpu_control_register >> 8) & 0xff) ^ 0xff; - - SLOG1(("writing CPU Control Register at offset %X = %04x & %04x (%04x - %d%d%d%d %d%d%d%d)", - offset, data, mem_mask, cpu_control_register, - (leds >> 3) & 1,(leds >> 2) & 1, (leds >> 1) & 1, (leds >> 0) & 1, - (leds >> 7) & 1,(leds >> 6) & 1, (leds >> 5) & 1, (leds >> 4) & 1 )); - - if (data & APOLLO_CSR_CR_RESET_DEVICES) - { - // FIXME: reset all devices (but not SIO lines!) - } -} - -READ16_MEMBER(apollo_state::apollo_csr_control_register_r) -{ - SLOG1(("reading CPU Control Register at offset %X = %04x & %04x", offset, cpu_control_register, mem_mask)); - return cpu_control_register & mem_mask; -} - -//########################################################################## -// machine/apollo_dma.c - APOLLO DS3500 DMA -//########################################################################## - -#undef VERBOSE -#define VERBOSE 0 - -static UINT16 address_translation_map[0x400]; - -static UINT16 dma_page_register[16] = - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; - -static const UINT8 channel2page_register[8] = { 7, 3, 1, 2, 0, 11, 9, 10}; - -static UINT8 dn3000_dma_channel1 = 1; // 1 = memory/ctape, 2 = floppy dma channel -static UINT8 dn3000_dma_channel2 = 5; // 5 = memory dma channel - -/*------------------------------------------------- - DN3000/DN3500 DMA Controller 1 at 0x9000/0x10c00 - -------------------------------------------------*/ - -WRITE8_MEMBER(apollo_state::apollo_dma_1_w){ - SLOG1(("apollo_dma_1_w: writing DMA Controller 1 at offset %02x = %02x", offset, data)); - m_dma8237_1->write(space, offset, data); -} - -READ8_MEMBER(apollo_state::apollo_dma_1_r){ - UINT8 data = m_dma8237_1->read(space, offset); - SLOG1(("apollo_dma_1_r: reading DMA Controller 1 at offset %02x = %02x", offset, data)); - return data; -} - -/*------------------------------------------------- - DN3000/DN3500 DMA Controller 2 at 0x9100/0x10d00 - -------------------------------------------------*/ - -WRITE8_MEMBER(apollo_state::apollo_dma_2_w){ - SLOG1(("apollo_dma_2_w: writing DMA Controller 2 at offset %02x = %02x", offset/2, data)); - m_dma8237_2->write(space, offset / 2, data); -} - -READ8_MEMBER(apollo_state::apollo_dma_2_r){ - // Nasty hack (13-06-15 - ost): - // MD self_test will test wrong DMA register and - // mem-to-mem DMA in am9517a.c is often starting much too late (for MD self_test) - // (8237dma.c was always fast enough to omit these problems) - if (offset == 8) - { - switch (space.device().safe_pcbase()) - { - case 0x00102e22: // DN3000 - case 0x01002f3c: // DN3500 - case 0x010029a6: // DN5500 - offset = 16; - break; - } - } - UINT8 data = m_dma8237_2->read(space, offset / 2); - SLOG1(("apollo_dma_2_r: reading DMA Controller 2 at offset %02x = %02x", offset/2, data)); - return data; -} - -/*************************************************************************** - DN3000 DMA Page Register at 0x9200 - ***************************************************************************/ - -WRITE8_MEMBER(apollo_state::apollo_dma_page_register_w){ - dma_page_register[offset & 0x0f] = data; - SLOG1(("writing DMA Page Register at offset %02x = %02x", offset, data)); -} - -READ8_MEMBER(apollo_state::apollo_dma_page_register_r){ - UINT8 data = dma_page_register[offset & 0x0f]; - SLOG1(("reading DMA Page Register at offset %02x = %02x", offset, data)); - return data; -} - -/*------------------------------------------------- - DN3500 Address Translation Map at 0x017000 - -------------------------------------------------*/ - -WRITE16_MEMBER(apollo_state::apollo_address_translation_map_w){ - address_translation_map[offset & 0x3ff] = data; - SLOG2(("writing Address Translation Map at offset %02x = %04x", offset, data)); -} - -READ16_MEMBER(apollo_state::apollo_address_translation_map_r){ - UINT16 data = address_translation_map[offset & 0x3ff]; - SLOG2(("reading Address Translation Map at offset %02x = %04x", offset, data)); - return data; -} - -READ8_MEMBER(apollo_state::apollo_dma_read_byte){ - UINT8 data; - offs_t page_offset; - - if (apollo_is_dn3000()) { - page_offset = dma_page_register[channel2page_register[dn3000_dma_channel1]] << 16; - } else { - // FIXME: address_translation_map[0x200] ? - page_offset = (((offs_t) address_translation_map[0x200 + (offset >> 10)]) << 10) & 0x7FFFFC00; - offset &= 0x3ff; - } - - data = m_maincpu->space(AS_PROGRAM).read_byte(page_offset + offset); - - if (VERBOSE > 1 || offset < 4 || (offset & 0xff) == 0 || (offset & 0xff) == 0xff) - { - SLOG1(("dma read byte at offset %x+%03x = %02x", page_offset, offset, data)); - } -// logerror(" %02x", data); - return data; -} - -WRITE8_MEMBER(apollo_state::apollo_dma_write_byte){ - offs_t page_offset; - if (apollo_is_dn3000()) { - page_offset = dma_page_register[channel2page_register[dn3000_dma_channel1]] << 16; - } else { - // FIXME: address_translation_map[0x200] ? - page_offset = (((offs_t) address_translation_map[0x200 + (offset >> 10)]) << 10) & 0x7FFFFC00; - offset &= 0x3ff; - } - // FIXME: MSB not available, writing only LSB - m_maincpu->space(AS_PROGRAM).write_byte(page_offset + offset, data); - - if (VERBOSE > 1 || offset < 4 || (offset & 0xff) == 0 || (offset & 0xff) == 0xff) - { - SLOG1(("dma write byte at offset %x+%03x = %02x", page_offset, offset , data)); - } -// logerror(" %02x", data); -} - -READ8_MEMBER(apollo_state::apollo_dma_read_word){ - UINT16 data; - offs_t page_offset; - - if (apollo_is_dn3000()) { - page_offset = dma_page_register[channel2page_register[dn3000_dma_channel2]] << 16; - page_offset &= 0xfffe0000; - offset <<= 1; - } else { - // FIXME: address_translation_map[0x200] ? - page_offset = (((offs_t) address_translation_map[0x200 + (offset >> 9)]) << 10) & 0x7FFFFC00; - offset = (offset << 1) & 0x3ff; - } - - data = m_maincpu->space(AS_PROGRAM).read_byte(page_offset + offset); - - SLOG1(("dma read word at offset %x+%03x = %04x", page_offset, offset , data)); - // FIXME: MSB will get lost - return data; -} - -WRITE8_MEMBER(apollo_state::apollo_dma_write_word){ - offs_t page_offset; - - SLOG1(("dma write word at offset %x = %02x", offset, data)); - - if (apollo_is_dn3000()) { - page_offset = dma_page_register[channel2page_register[dn3000_dma_channel2]] << 16; - page_offset &= 0xfffe0000; - offset <<= 1; - } else { - // FIXME: address_translation_map[0x200] ? - page_offset - = (((offs_t) address_translation_map[0x200 + (offset >> 9)]) - << 10) & 0x7FFFFC00; - offset = (offset << 1) & 0x3ff; - } - - m_maincpu->space(AS_PROGRAM).write_byte(page_offset + offset, data); - SLOG1(("dma write word at offset %x+%03x = %02x", page_offset, offset, data)); -} - -WRITE_LINE_MEMBER(apollo_state::apollo_dma8237_out_eop ) { - CLOG1(("dma out eop state %02x", state)); - m_cur_eop = state == ASSERT_LINE; - if(m_dma_channel != -1) - m_isa->eop_w(m_dma_channel, m_cur_eop ? ASSERT_LINE : CLEAR_LINE ); -} - -WRITE_LINE_MEMBER(apollo_state::apollo_dma_1_hrq_changed ) { - CLOG2(("dma 1 hrq changed state %02x", state)); - m_dma8237_1->dreq0_w(state); - - /* Assert HLDA */ - m_dma8237_1->hack_w(state); - - // cascade mode? - // i8237_hlda_w(get_device_dma8237_2(device), state); -} - -WRITE_LINE_MEMBER(apollo_state::apollo_dma_2_hrq_changed ) { - CLOG2(("dma 2 hrq changed state %02x", state)); - m_maincpu->set_input_line(INPUT_LINE_HALT, state ? ASSERT_LINE : CLEAR_LINE); - - /* Assert HLDA */ - m_dma8237_2->hack_w(state); -} - -READ8_MEMBER( apollo_state::pc_dma8237_0_dack_r ) { return m_isa->dack_r(0); } -READ8_MEMBER( apollo_state::pc_dma8237_1_dack_r ) { return m_isa->dack_r(1); } -READ8_MEMBER( apollo_state::pc_dma8237_2_dack_r ) { return m_isa->dack_r(2); } -READ8_MEMBER( apollo_state::pc_dma8237_3_dack_r ) { return m_isa->dack_r(3); } -READ8_MEMBER( apollo_state::pc_dma8237_5_dack_r ) { return m_isa->dack_r(5); } -READ8_MEMBER( apollo_state::pc_dma8237_6_dack_r ) { return m_isa->dack_r(6); } -READ8_MEMBER( apollo_state::pc_dma8237_7_dack_r ) { return m_isa->dack_r(7); } - -WRITE8_MEMBER( apollo_state::pc_dma8237_0_dack_w ){ m_isa->dack_w(0, data); } -WRITE8_MEMBER( apollo_state::pc_dma8237_1_dack_w ){ m_isa->dack_w(1, data); } -WRITE8_MEMBER( apollo_state::pc_dma8237_2_dack_w ){ m_isa->dack_w(2, data); } -WRITE8_MEMBER( apollo_state::pc_dma8237_3_dack_w ){ m_isa->dack_w(3, data); } -WRITE8_MEMBER( apollo_state::pc_dma8237_5_dack_w ){ m_isa->dack_w(5, data); } -WRITE8_MEMBER( apollo_state::pc_dma8237_6_dack_w ){ m_isa->dack_w(6, data); } -WRITE8_MEMBER( apollo_state::pc_dma8237_7_dack_w ){ m_isa->dack_w(7, data); } - -WRITE_LINE_MEMBER( apollo_state::pc_dack0_w ) { select_dma_channel(0, state); } -WRITE_LINE_MEMBER( apollo_state::pc_dack1_w ) { select_dma_channel(1, state); } -WRITE_LINE_MEMBER( apollo_state::pc_dack2_w ) { select_dma_channel(2, state); } -WRITE_LINE_MEMBER( apollo_state::pc_dack3_w ) { select_dma_channel(3, state); } -WRITE_LINE_MEMBER( apollo_state::pc_dack4_w ) { m_dma8237_1->hack_w( state ? 0 : 1); } // it's inverted -WRITE_LINE_MEMBER( apollo_state::pc_dack5_w ) { select_dma_channel(5, state); } -WRITE_LINE_MEMBER( apollo_state::pc_dack6_w ) { select_dma_channel(6, state); } -WRITE_LINE_MEMBER( apollo_state::pc_dack7_w ) { select_dma_channel(7, state); } - -void apollo_state::select_dma_channel(int channel, bool state) -{ - if(!state) { - m_dma_channel = channel; - if(m_cur_eop) - m_isa->eop_w(channel, ASSERT_LINE ); - - } else if(m_dma_channel == channel) { - m_dma_channel = -1; - if(m_cur_eop) - m_isa->eop_w(channel, CLEAR_LINE ); - } -} - -//########################################################################## -// machine/apollo_pic.c - APOLLO DS3500 PIC 8259 controllers -//########################################################################## - -#undef VERBOSE -#define VERBOSE 0 - -void apollo_state::apollo_pic_set_irq_line(int irq, int state) -{ - switch (irq) { - case 0: m_pic8259_master->ir0_w(state); break; - case 1: m_pic8259_master->ir1_w(state); break; - case 2: m_pic8259_master->ir2_w(state); break; - case 3: m_pic8259_master->ir3_w(state); break; - case 4: m_pic8259_master->ir4_w(state); break; - case 5: m_pic8259_master->ir5_w(state); break; - case 6: m_pic8259_master->ir6_w(state); break; - case 7: m_pic8259_master->ir7_w(state); break; - - case 8: m_pic8259_slave->ir0_w(state); break; - case 9: m_pic8259_slave->ir1_w(state); break; - case 10: m_pic8259_slave->ir2_w(state); break; - case 11: m_pic8259_slave->ir3_w(state); break; - case 12: m_pic8259_slave->ir4_w(state); break; - case 13: m_pic8259_slave->ir5_w(state); break; - case 14: m_pic8259_slave->ir6_w(state); break; - case 15: m_pic8259_slave->ir7_w(state); break; - } -} - -IRQ_CALLBACK_MEMBER(apollo_state::apollo_pic_acknowledge) -{ - UINT32 vector = m_pic8259_master->acknowledge(); - if ((vector & 0x0f) == APOLLO_IRQ_PIC_SLAVE) { - vector = m_pic8259_slave->acknowledge(); - } - - // don't log ptm interrupts - if (vector != APOLLO_IRQ_VECTOR+APOLLO_IRQ_PTM) { - MLOG1(("apollo_pic_acknowledge: irq=%d vector=%x", vector & 0x0f, vector)); - } - - if (apollo_is_dn3000()) { - apollo_csr_set_status_register(APOLLO_CSR_SR_INTERRUPT_PENDING, 0); - } else { - // clear bit Interrupt Pending in Cache Status Register - apollo_set_cache_status_register(0x10, 0x00); - } - return vector; -} - -/************************************************************* - * pic8259 configuration - *************************************************************/ - -READ8_MEMBER( apollo_state::apollo_pic8259_get_slave_ack ) -{ - MLOG1(("apollo_pic8259_get_slave_ack: offset=%x", offset)); - - return offset == 3 ? m_pic8259_slave->acknowledge() : 0; -} - -WRITE_LINE_MEMBER( apollo_state::apollo_pic8259_master_set_int_line ) { - static int interrupt_line = -1; - if (state != interrupt_line) { - device_t *device = m_pic8259_master; - DLOG1(("apollo_pic8259_master_set_int_line: %x", state)); - } - interrupt_line = state; - - if (apollo_is_dn3000()) { - apollo_csr_set_status_register(APOLLO_CSR_SR_INTERRUPT_PENDING, - state ? APOLLO_CSR_SR_INTERRUPT_PENDING : 0); - } else { - // set bit Interrupt Pending in Cache Status Register - apollo_set_cache_status_register(0x10, state ? 0x10 : 0x00); - } - - m_maincpu->set_input_line_and_vector(M68K_IRQ_6,state ? ASSERT_LINE : CLEAR_LINE, M68K_INT_ACK_AUTOVECTOR); -} - -WRITE_LINE_MEMBER( apollo_state::apollo_pic8259_slave_set_int_line ) { - static int interrupt_line = -1; - if (state != interrupt_line) { - device_t *device = m_pic8259_slave; - DLOG1(("apollo_pic8259_slave_set_int_line: %x", state)); - interrupt_line = state; - apollo_pic_set_irq_line(3, state); - } -} - -//########################################################################## -// machine/apollo_ptm.c - APOLLO DS3500 Programmable Timer 6840 -//########################################################################## - -#undef VERBOSE -#define VERBOSE 0 - -WRITE_LINE_MEMBER(apollo_state::apollo_ptm_timer_tick) -{ - if ((state) && (m_ptm->started())) - { - ptm_counter++; - m_ptm->set_c1( 1); - m_ptm->set_c1( 0); - m_ptm->set_c2(ptm_counter & 1); - - if ((ptm_counter & 1) == 0) - { - m_ptm->set_c3((ptm_counter >> 1) & 1); - } - } -} - -WRITE_LINE_MEMBER(apollo_state::apollo_ptm_irq_function) -{ - apollo_pic_set_irq_line(APOLLO_IRQ_PTM, state); -} - -// Timer 1's input is a 250-kHz (4-microsecond period) signal. -// Timer 2's input is a 125-kHz (8-microsecond period) signal. -// Timer 3's input is a 62.5-kHz (16-microsecond period) signal. -// The Timer 3 input may be prescaled to make the effective input signal have a 128-microsecond period. - - -//########################################################################## -// machine/apollo_rtc.c - APOLLO DS3500 RTC MC146818 -//########################################################################## - -#undef VERBOSE -#define VERBOSE 0 - -/*************************************************************************** - DN3000/DN3500 Realtime Calendar MC146818 at 0x8900/0x10900 - ***************************************************************************/ - -WRITE8_MEMBER(apollo_state::apollo_rtc_w) -{ - m_rtc->write(space, 0, offset); - m_rtc->write(space, 1, data); - if (offset >= 0x0b && offset <= 0x0c) - { - SLOG2(("writing MC146818 at offset %02x = %02x", offset, data)); - } -} - -READ8_MEMBER(apollo_state::apollo_rtc_r) -{ - UINT8 data; - m_rtc->write(space, 0, offset); - data = m_rtc->read(space, 1); - if (offset >= 0x0b && offset <= 0x0c) - { - SLOG2(("reading MC146818 at offset %02x = %02x", offset, data)); - } - return data; -} - -// TODO: this is covering for missing mc146818 functionality -TIMER_CALLBACK_MEMBER( apollo_state::apollo_rtc_timer ) -{ - address_space &space = m_maincpu->space(AS_PROGRAM); - - // FIXME: reading register 0x0c will clear all interrupt flags - if ((apollo_rtc_r(space, 0x0c) & 0x80)) - { - //SLOG2(("apollo_rtc_timer - set_irq_line %d", APOLLO_IRQ_RTC)); - apollo_pic_set_irq_line(APOLLO_IRQ_RTC, 1); - } -} - -//########################################################################## -// machine/apollo_sio.c - DN3000/DS3500 SIO at 0x8400/0x10400 -//########################################################################## - -#undef VERBOSE -#define VERBOSE 0 - -apollo_sio::apollo_sio(const machine_config &mconfig, const char *tag, - device_t *owner, UINT32 clock) : - mc68681_device(mconfig, tag, owner, clock), - m_csrb(0), - m_ip6(0) -{ -} - -void apollo_sio::device_reset() -{ - UINT8 input_data = apollo_get_ram_config_byte(); - ip0_w((input_data & 0x01) ? ASSERT_LINE : CLEAR_LINE); - ip1_w((input_data & 0x02) ? ASSERT_LINE : CLEAR_LINE); - ip2_w((input_data & 0x04) ? ASSERT_LINE : CLEAR_LINE); - ip3_w((input_data & 0x08) ? ASSERT_LINE : CLEAR_LINE); - ip4_w((input_data & 0x10) ? ASSERT_LINE : CLEAR_LINE); - ip5_w((input_data & 0x20) ? ASSERT_LINE : CLEAR_LINE); -// ip6_w((input_data & 0x40) ? ASSERT_LINE : CLEAR_LINE); - - // MC2681 has IP[6] (instead of /IACK on MC68681) - m_ip6 = (input_data & 0x40) ? ASSERT_LINE : CLEAR_LINE; -} - -READ8_MEMBER( apollo_sio::read ) -{ - static int last_read8_offset[2] = { -1, -1 }; - static int last_read8_value[2] = { -1, -1 }; - - static const char * const duart68681_reg_read_names[0x10] = { "MRA", "SRA", - "BRG Test", "RHRA", "IPCR", "ISR", "CTU", "CTL", "MRB", "SRB", - "1X/16X Test", "RHRB", "IVR", "Input Ports", "Start Counter", - "Stop Counter" }; - - int data = mc68681_device::read(space, offset/2, mem_mask); - - switch (offset / 2) - { - case 0x0b: /* RHRB */ - if (m_csrb == 0x77 && data == 0xfe) - { - // special fix for the MD ROM baudrate recognition - // fix data only if CR is entered while baudrate is set to 2000 Baud - - // Receive and transmit clock in diserial.c are not precise enough - // to support the baudrate recognition done in the Apollo MD ROM - // use 0xff instead of 0xfe to set the baudrate recognition for 9600 Bd - // (to prevent that the MD selftest or SK command will hang in Service mode) - data = 0xff; - } - break; - case 0x0d: /* IP */ - // MC2681 has IP[6] (instead of /IACK on MC68681) - data = (data & ~0x40) | (m_ip6 ? 0x40 : 0); - break; - } - - // omit logging if sio is being polled from the boot rom - if ((offset != last_read8_offset[1] || data != last_read8_value[1]) && \ - (offset != last_read8_offset[0] || data != last_read8_value[0])) - { - last_read8_offset[0] = last_read8_offset[1]; - last_read8_value[0] = last_read8_value[1]; - last_read8_offset[1] = offset; - last_read8_value[1] = data; - CLOG2(("reading MC2681 reg %02x (%s) returned %02x", - offset, duart68681_reg_read_names[(offset/2) & 15], data)); - } - - return data; -} - -WRITE8_MEMBER( apollo_sio::write ) -{ - static const char * const duart68681_reg_write_names[0x10] = { "MRA", - "CSRA", "CRA", "THRA", "ACR", "IMR", "CRUR", "CTLR", "MRB", "CSRB", - "CRB", "THRB", "IVR", "OPCR", "Set OP Bits", "Reset OP Bits" }; - - CLOG2(("writing MC2681 reg %02x (%s) with %02x", - offset, duart68681_reg_write_names[(offset/2) & 15], data)); - - switch (offset / 2) { - case 0x09: /* CSRB */ - // remember CSRB to handle MD selftest or SK command - m_csrb = data; - break; -#if 1 - case 0x0b: /* THRB */ - // tee output of SIO1 to stdout - // sad: ceterm will get confused from '\r' - if (apollo_is_dsp3x00() && data != '\r') ::putchar(data); - break; -#endif - } - mc68681_device::write(space, offset/2, data, mem_mask); -} - -// device type definition -const device_type APOLLO_SIO = &device_creator<apollo_sio>; - -WRITE_LINE_MEMBER(apollo_state::sio_irq_handler) -{ - apollo_pic_set_irq_line(APOLLO_IRQ_SIO1, state); -} - -WRITE8_MEMBER(apollo_state::sio_output) -{ -// CLOG2(("apollo_sio - sio_output %02x", data)); - - if ((data & 0x80) != (sio_output_data & 0x80)) - { - apollo_pic_set_irq_line(APOLLO_IRQ_DIAG, (data & 0x80) ? 1 : 0); - } - - // The counter/timer on the SIO chip is used for the RAM refresh count. - // This is set up in the timer mode to produce a square wave output on output OP3. - // The period of the output is 15 microseconds. - - if ((data & 0x08) != (sio_output_data & 0x08)) - { - m_sio->ip0_w((data & 0x08) ? ASSERT_LINE : CLEAR_LINE); - } - - sio_output_data = data; -} - -//########################################################################## -// machine/apollo_sio2.c - APOLLO DS3500 SIO2 -//########################################################################## - -WRITE_LINE_MEMBER(apollo_state::sio2_irq_handler) -{ - apollo_pic_set_irq_line(APOLLO_IRQ_SIO2, state); -} - -//########################################################################## -// machine/apollo.c - APOLLO DS3500 CPU Board -//########################################################################## - -#undef VERBOSE -#define VERBOSE 0 - -static SLOT_INTERFACE_START(apollo_isa_cards) - SLOT_INTERFACE("wdc", ISA16_OMTI8621) // Combo ESDI/AT floppy controller - SLOT_INTERFACE("ctape", ISA8_SC499) // Archive SC499 cartridge tape - SLOT_INTERFACE("3c505", ISA16_3C505) // 3Com 3C505 Ethernet card -SLOT_INTERFACE_END - -MACHINE_CONFIG_FRAGMENT( common ) - // configuration MUST be reset first ! - MCFG_DEVICE_ADD(APOLLO_CONF_TAG, APOLLO_CONF, 0) - - MCFG_DEVICE_ADD( APOLLO_DMA1_TAG, AM9517A, XTAL_14_31818MHz/3 ) - MCFG_I8237_OUT_HREQ_CB(WRITELINE(apollo_state, apollo_dma_1_hrq_changed)) - MCFG_I8237_OUT_EOP_CB(WRITELINE(apollo_state, apollo_dma8237_out_eop)) - MCFG_I8237_IN_MEMR_CB(READ8(apollo_state, apollo_dma_read_byte)) - MCFG_I8237_OUT_MEMW_CB(WRITE8(apollo_state, apollo_dma_write_byte)) - MCFG_I8237_IN_IOR_0_CB(READ8(apollo_state, pc_dma8237_0_dack_r)) - MCFG_I8237_IN_IOR_1_CB(READ8(apollo_state, pc_dma8237_1_dack_r)) - MCFG_I8237_IN_IOR_2_CB(READ8(apollo_state, pc_dma8237_2_dack_r)) - MCFG_I8237_IN_IOR_3_CB(READ8(apollo_state, pc_dma8237_3_dack_r)) - MCFG_I8237_OUT_IOW_0_CB(WRITE8(apollo_state, pc_dma8237_0_dack_w)) - MCFG_I8237_OUT_IOW_1_CB(WRITE8(apollo_state, pc_dma8237_1_dack_w)) - MCFG_I8237_OUT_IOW_2_CB(WRITE8(apollo_state, pc_dma8237_2_dack_w)) - MCFG_I8237_OUT_IOW_3_CB(WRITE8(apollo_state, pc_dma8237_3_dack_w)) - MCFG_I8237_OUT_DACK_0_CB(WRITELINE(apollo_state, pc_dack0_w)) - MCFG_I8237_OUT_DACK_1_CB(WRITELINE(apollo_state, pc_dack1_w)) - MCFG_I8237_OUT_DACK_2_CB(WRITELINE(apollo_state, pc_dack2_w)) - MCFG_I8237_OUT_DACK_3_CB(WRITELINE(apollo_state, pc_dack3_w)) - MCFG_DEVICE_ADD( APOLLO_DMA2_TAG, AM9517A, XTAL_14_31818MHz/3 ) - MCFG_I8237_OUT_HREQ_CB(WRITELINE(apollo_state, apollo_dma_2_hrq_changed)) - MCFG_I8237_IN_MEMR_CB(READ8(apollo_state, apollo_dma_read_word)) - MCFG_I8237_OUT_MEMW_CB(WRITE8(apollo_state, apollo_dma_write_word)) - MCFG_I8237_IN_IOR_1_CB(READ8(apollo_state, pc_dma8237_5_dack_r)) - MCFG_I8237_IN_IOR_2_CB(READ8(apollo_state, pc_dma8237_6_dack_r)) - MCFG_I8237_IN_IOR_3_CB(READ8(apollo_state, pc_dma8237_7_dack_r)) - MCFG_I8237_OUT_IOW_1_CB(WRITE8(apollo_state, pc_dma8237_5_dack_w)) - MCFG_I8237_OUT_IOW_2_CB(WRITE8(apollo_state, pc_dma8237_6_dack_w)) - MCFG_I8237_OUT_IOW_3_CB(WRITE8(apollo_state, pc_dma8237_7_dack_w)) - MCFG_I8237_OUT_DACK_0_CB(WRITELINE(apollo_state, pc_dack4_w)) - MCFG_I8237_OUT_DACK_1_CB(WRITELINE(apollo_state, pc_dack5_w)) - MCFG_I8237_OUT_DACK_2_CB(WRITELINE(apollo_state, pc_dack6_w)) - MCFG_I8237_OUT_DACK_3_CB(WRITELINE(apollo_state, pc_dack7_w)) - MCFG_PIC8259_ADD( APOLLO_PIC1_TAG, WRITELINE(apollo_state,apollo_pic8259_master_set_int_line), VCC, READ8(apollo_state, apollo_pic8259_get_slave_ack)) - MCFG_PIC8259_ADD( APOLLO_PIC2_TAG, WRITELINE(apollo_state,apollo_pic8259_slave_set_int_line), GND, NULL) - - MCFG_DEVICE_ADD(APOLLO_PTM_TAG, PTM6840, 0) - MCFG_PTM6840_INTERNAL_CLOCK(0) - MCFG_PTM6840_EXTERNAL_CLOCKS(250000, 125000, 62500) - MCFG_PTM6840_IRQ_CB(WRITELINE(apollo_state, apollo_ptm_irq_function)) - MCFG_DEVICE_ADD("ptmclock", CLOCK, 250000) - MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(apollo_state, apollo_ptm_timer_tick)) - - MCFG_MC146818_ADD( APOLLO_RTC_TAG, XTAL_32_768kHz ) - MCFG_MC146818_UTC( true ) - - MCFG_APOLLO_SIO_ADD( APOLLO_SIO2_TAG, XTAL_3_6864MHz ) - MCFG_APOLLO_SIO_IRQ_CALLBACK(WRITELINE(apollo_state, sio2_irq_handler)) - - MCFG_DEVICE_ADD(APOLLO_ISA_TAG, ISA16, 0) - MCFG_ISA16_CPU(":" MAINCPU) - MCFG_ISA16_BUS_CUSTOM_SPACES() - MCFG_ISA_OUT_IRQ2_CB(DEVWRITELINE(APOLLO_PIC2_TAG, pic8259_device, ir2_w)) // in place of irq 2 on at irq 9 is used - MCFG_ISA_OUT_IRQ3_CB(DEVWRITELINE(APOLLO_PIC1_TAG, pic8259_device, ir3_w)) - MCFG_ISA_OUT_IRQ4_CB(DEVWRITELINE(APOLLO_PIC1_TAG, pic8259_device, ir4_w)) - MCFG_ISA_OUT_IRQ5_CB(DEVWRITELINE(APOLLO_PIC1_TAG, pic8259_device, ir5_w)) - MCFG_ISA_OUT_IRQ6_CB(DEVWRITELINE(APOLLO_PIC1_TAG, pic8259_device, ir6_w)) - MCFG_ISA_OUT_IRQ7_CB(DEVWRITELINE(APOLLO_PIC1_TAG, pic8259_device, ir7_w)) - MCFG_ISA_OUT_IRQ10_CB(DEVWRITELINE(APOLLO_PIC2_TAG, pic8259_device, ir2_w)) - MCFG_ISA_OUT_IRQ11_CB(DEVWRITELINE(APOLLO_PIC2_TAG, pic8259_device, ir3_w)) - MCFG_ISA_OUT_IRQ12_CB(DEVWRITELINE(APOLLO_PIC2_TAG, pic8259_device, ir4_w)) - MCFG_ISA_OUT_IRQ14_CB(DEVWRITELINE(APOLLO_PIC2_TAG, pic8259_device, ir6_w)) - MCFG_ISA_OUT_IRQ15_CB(DEVWRITELINE(APOLLO_PIC2_TAG, pic8259_device, ir7_w)) - MCFG_ISA_OUT_DRQ0_CB(DEVWRITELINE(APOLLO_DMA1_TAG, am9517a_device, dreq0_w)) - MCFG_ISA_OUT_DRQ1_CB(DEVWRITELINE(APOLLO_DMA1_TAG, am9517a_device, dreq1_w)) - MCFG_ISA_OUT_DRQ2_CB(DEVWRITELINE(APOLLO_DMA1_TAG, am9517a_device, dreq2_w)) - MCFG_ISA_OUT_DRQ3_CB(DEVWRITELINE(APOLLO_DMA1_TAG, am9517a_device, dreq3_w)) - MCFG_ISA_OUT_DRQ5_CB(DEVWRITELINE(APOLLO_DMA2_TAG, am9517a_device, dreq1_w)) - MCFG_ISA_OUT_DRQ6_CB(DEVWRITELINE(APOLLO_DMA2_TAG, am9517a_device, dreq2_w)) - MCFG_ISA_OUT_DRQ7_CB(DEVWRITELINE(APOLLO_DMA2_TAG, am9517a_device, dreq3_w)) - MCFG_ISA16_SLOT_ADD(APOLLO_ISA_TAG, "isa1", apollo_isa_cards, "wdc", false) - MCFG_ISA16_SLOT_ADD(APOLLO_ISA_TAG, "isa2", apollo_isa_cards, "ctape", false) - MCFG_ISA16_SLOT_ADD(APOLLO_ISA_TAG, "isa3", apollo_isa_cards, "3c505", false) - MCFG_ISA16_SLOT_ADD(APOLLO_ISA_TAG, "isa4", apollo_isa_cards, NULL, false) - MCFG_ISA16_SLOT_ADD(APOLLO_ISA_TAG, "isa5", apollo_isa_cards, NULL, false) - MCFG_ISA16_SLOT_ADD(APOLLO_ISA_TAG, "isa6", apollo_isa_cards, NULL, false) - MCFG_ISA16_SLOT_ADD(APOLLO_ISA_TAG, "isa7", apollo_isa_cards, NULL, false) - - MCFG_SOFTWARE_LIST_ADD("ctape_list", "apollo_ctape") -MACHINE_CONFIG_END - -// for machines with the keyboard and a graphics head -MACHINE_CONFIG_FRAGMENT( apollo ) - MCFG_FRAGMENT_ADD(common) - MCFG_APOLLO_SIO_ADD( APOLLO_SIO_TAG, XTAL_3_6864MHz ) - MCFG_APOLLO_SIO_IRQ_CALLBACK(WRITELINE(apollo_state, sio_irq_handler)) - MCFG_APOLLO_SIO_OUTPORT_CALLBACK(WRITE8(apollo_state, sio_output)) - MCFG_APOLLO_SIO_A_TX_CALLBACK(DEVWRITELINE(APOLLO_KBD_TAG, apollo_kbd_device, rx_w)) -MACHINE_CONFIG_END - -static DEVICE_INPUT_DEFAULTS_START( apollo_terminal ) - DEVICE_INPUT_DEFAULTS( "RS232_TXBAUD", 0xff, RS232_BAUD_9600 ) - DEVICE_INPUT_DEFAULTS( "RS232_RXBAUD", 0xff, RS232_BAUD_9600 ) - DEVICE_INPUT_DEFAULTS( "RS232_STARTBITS", 0xff, RS232_STARTBITS_1 ) - DEVICE_INPUT_DEFAULTS( "RS232_DATABITS", 0xff, RS232_DATABITS_8 ) - DEVICE_INPUT_DEFAULTS( "RS232_PARITY", 0xff, RS232_PARITY_NONE ) - DEVICE_INPUT_DEFAULTS( "RS232_STOPBITS", 0xff, RS232_STOPBITS_1 ) -DEVICE_INPUT_DEFAULTS_END - -// for headless machines using a serial console -MACHINE_CONFIG_FRAGMENT( apollo_terminal ) - MCFG_FRAGMENT_ADD(common) - MCFG_APOLLO_SIO_ADD( APOLLO_SIO_TAG, XTAL_3_6864MHz ) - MCFG_APOLLO_SIO_IRQ_CALLBACK(WRITELINE(apollo_state, sio_irq_handler)) - MCFG_APOLLO_SIO_OUTPORT_CALLBACK(WRITE8(apollo_state, sio_output)) - MCFG_APOLLO_SIO_B_TX_CALLBACK(DEVWRITELINE("rs232", rs232_port_device, write_txd)) - - MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "terminal") - MCFG_RS232_RXD_HANDLER(DEVWRITELINE(APOLLO_SIO_TAG, apollo_sio, rx_b_w)) - - MCFG_DEVICE_CARD_DEVICE_INPUT_DEFAULTS("terminal", apollo_terminal) -MACHINE_CONFIG_END - -DRIVER_INIT_MEMBER(apollo_state,apollo) -{ - MLOG1(("driver_init_apollo")); -} - -MACHINE_START_MEMBER(apollo_state,apollo) -{ - MLOG1(("machine_start_apollo")); - - if (apollo_is_dn3000()) - { - //MLOG1(("faking mc146818 interrupts (DN3000 only)")); - // fake mc146818 interrupts (DN3000 only) - m_dn3000_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(apollo_state::apollo_rtc_timer),this)); - } -} - -MACHINE_RESET_MEMBER(apollo_state,apollo) -{ - address_space &space = m_maincpu->space(AS_PROGRAM); - UINT8 year = apollo_rtc_r(space, 9); - - m_dma_channel = -1; - m_cur_eop = false; - - MLOG1(("machine_reset_apollo")); - - // set configuration - apollo_csr_set_servicemode(apollo_config(APOLLO_CONF_SERVICE_MODE)); - - // change year according to configuration settings - if (year < 20 && apollo_config(APOLLO_CONF_20_YEARS_AGO)) - { - year+=80; - apollo_rtc_w(space, 9, year); - } - else if (year < 25 && apollo_config(APOLLO_CONF_25_YEARS_AGO)) - { - year += 75; - apollo_rtc_w(space, 9, year); - } - else if (year >= 80 && !apollo_config(APOLLO_CONF_20_YEARS_AGO) - && !apollo_config(APOLLO_CONF_25_YEARS_AGO)) - { - year -=80; - apollo_rtc_w(space, 9, year); - } - - ptm_counter = 0; - sio_output_data = 0xff; - - if (apollo_is_dn3000()) - { - m_dn3000_timer->adjust(attotime::from_hz(2), 0, attotime::from_hz(2)); - } -} |