diff options
Diffstat (limited to 'src/mame/nokia/mikromik.cpp')
-rw-r--r-- | src/mame/nokia/mikromik.cpp | 379 |
1 files changed, 280 insertions, 99 deletions
diff --git a/src/mame/nokia/mikromik.cpp b/src/mame/nokia/mikromik.cpp index 59146091532..3b278634ec3 100644 --- a/src/mame/nokia/mikromik.cpp +++ b/src/mame/nokia/mikromik.cpp @@ -37,24 +37,37 @@ RST6.5 8212 INT RST7.5 DMA EOP + Models: + + M1: 1x 160KB floppy + M2: 2x 160KB floppy + M3: 1x 320KB floppy (96 tpi, single sided) + M4: 2x 320KB floppy + M5: 1x 640KB floppy (96 tpi, double sided) + M6: 2x 640KB floppy + M7: 1x 640KB floppy + 5MB hard disk + M4G: 2x 320KB floppy + GDC + M6G: 2x 640KB floppy + GDC + M7G: 1x 640KB floppy + 5MB hard disk + GDC + + + ./chdman createhd -chs 306,2,32 -ss 256 -o st406.chd + */ /* TODO: - - NEC uPD7220 GDC + - M7 boot floppy - accurate video timing - - floppy DRQ during RECALL = 0 - - PCB layout + - PCB layouts - NEC uPD7201 MPSC - - model M7 5MB hard disk */ #include "emu.h" #include "mikromik.h" -#include "machine/74259.h" #include "softlist_dev.h" //#define VERBOSE 1 @@ -136,17 +149,6 @@ void mm1_state::write(offs_t offset, uint8_t data) //------------------------------------------------- -// a8_w - -//------------------------------------------------- - -void mm1_state::a8_w(int state) -{ - LOG("IC24 A8 %u\n", state); - m_a8 = state; -} - - -//------------------------------------------------- // recall_w - //------------------------------------------------- @@ -155,81 +157,174 @@ void mm1_state::recall_w(int state) LOG("RECALL %u\n", state); m_recall = state; m_fdc->reset_w(state); + + if (m_recall) + { + m_dmac->dreq3_w(false); + } } //------------------------------------------------- -// rx21_w - +// motor_on_w - //------------------------------------------------- -void mm1_state::rx21_w(int state) +void mm1_state::motor_on_w(int state) { - m_rx21 = state; + LOG("MOTOR %u\n", state); + + m_floppy[0]->mon_w(!state); + + if (m_floppy[1]) + { + m_floppy[1]->mon_w(!state); + } } //------------------------------------------------- -// tx21_w - +// switch_w - //------------------------------------------------- -void mm1_state::tx21_w(int state) +void mm1_state::switch_w(int state) { - m_tx21 = state; -} + LOG("SWITCH %u\n", state); + m_switch = state; -//------------------------------------------------- -// rcl_w - -//------------------------------------------------- + if (m_switch) + { + m_io->space().install_readwrite_handler(0x50, 0x50, read8sm_delegate(*this, FUNC(mm1_state::sasi_status_r)), write8sm_delegate(*this, FUNC(mm1_state::sasi_cmd_w))); + m_io->space().install_readwrite_handler(0x51, 0x51, emu::rw_delegate(*this, FUNC(mm1_state::sasi_data_r)), write8sm_delegate(*this, FUNC(mm1_state::sasi_data_w))); + } + else + { + m_io->space().install_device(0x50, 0x51, *m_fdc, &upd765a_device::map); + } + + m_floppy[0]->mon_w(state); +} -void mm1_state::rcl_w(int state) +uint8_t mm1_state::sasi_status_r(offs_t offset) { - m_rcl = state; + uint8_t data = 0; + + data |= m_sasi->bsy_r(); + data |= m_sasi->rst_r() << 1; + data |= m_sasi->msg_r() << 2; + data |= m_sasi->cd_r() << 3; + data |= m_sasi->req_r() << 4; + data |= m_sasi->io_r() << 5; + data |= m_sasi->ack_r() << 7; + + //LOG("%s SASI STATUS %02x\n",machine().describe_context(),data); + + return data; } +void mm1_state::sasi_cmd_w(offs_t offset, uint8_t data) +{ + LOG("%s SASI CMD %02x\n", machine().describe_context(), data); -//------------------------------------------------- -// intc_w - -//------------------------------------------------- + m_sasi->sel_w(BIT(data, 0)); + m_sasi->rst_w(BIT(data, 1)); + m_sasi->atn_w(BIT(data, 2)); +} -void mm1_state::intc_w(int state) +uint8_t mm1_state::sasi_data_r(offs_t offset) { - m_intc = state; + uint8_t data = m_sasi->read(); + + LOG("%s SASI DATA R %02x\n", machine().describe_context(), data); + + if (m_sasi->req_r()) + { + m_sasi->ack_w(1); + } + + return data; } +void mm1_state::sasi_data_w(offs_t offset, uint8_t data) +{ + m_sasi_data = data; -//------------------------------------------------- -// llen_w - -//------------------------------------------------- + if (!m_sasi->io_r()) + { + m_sasi->write(data); + } + + LOG("%s SASI DATA W %02x\n", machine().describe_context(), data); -void mm1_state::llen_w(int state) + if (m_sasi->req_r()) + { + m_sasi->ack_w(1); + } +} + +uint8_t mm1_state::sasi_ior3_r(offs_t offset) { - LOG("LLEN %u\n", state); - m_llen = state; + uint8_t data = 0; + + if (m_switch) + { + data = sasi_data_r(0); + } + else + { + data = m_fdc->dma_r(); + } + + return data; } +void mm1_state::sasi_iow3_w(offs_t offset, uint8_t data) +{ + if (m_switch) + { + sasi_data_w(0, data); + } + else + { + m_fdc->dma_w(data); + } +} -//------------------------------------------------- -// motor_on_w - -//------------------------------------------------- +void mm1_state::sasi_bsy_w(int state) +{ + if (state) + { + m_sasi->sel_w(0); + } +} -void mm1_state::motor_on_w(int state) +void mm1_state::sasi_req_w(int state) { - LOG("MOTOR %u\n", state); - m_floppy[0]->mon_w(!state); - m_floppy[1]->mon_w(!state); + if (!state) + { + m_sasi->ack_w(0); + } + + m_dmac->dreq3_w(state); } +void mm1_state::sasi_io_w(int state) +{ + if (state) + { + m_sasi->write(0); + } + else + { + m_sasi->write(m_sasi_data); + } +} //************************************************************************** // ADDRESS MAPS //************************************************************************** -//------------------------------------------------- -// ADDRESS_MAP( mm1_map ) -//------------------------------------------------- - void mm1_state::mm1_map(address_map &map) { map(0x0000, 0xffff).rw(FUNC(mm1_state::read), FUNC(mm1_state::write)); @@ -243,7 +338,12 @@ void mm1_state::mmu_io_map(address_map &map) map(0x30, 0x33).mirror(0x0c).rw(m_pit, FUNC(pit8253_device::read), FUNC(pit8253_device::write)); map(0x40, 0x40).mirror(0x0f).rw(m_iop, FUNC(i8212_device::read), FUNC(i8212_device::write)); map(0x50, 0x51).mirror(0x0e).m(m_fdc, FUNC(upd765a_device::map)); - map(0x60, 0x67).mirror(0x08).w("outlatch", FUNC(ls259_device::write_d0)); + map(0x60, 0x67).mirror(0x08).w(m_outlatch, FUNC(ls259_device::write_d0)); +} + +void mm1_state::mm1g_mmu_io_map(address_map &map) +{ + mmu_io_map(map); map(0x70, 0x71).mirror(0x0e).rw(m_hgdc, FUNC(upd7220_device::read), FUNC(upd7220_device::write)); } @@ -382,17 +482,14 @@ void mm1_state::floppy_formats(format_registration &fr) fr.add_mfm_containers(); fr.add(FLOPPY_MM1_FORMAT); } -/* -void mm2_state::floppy_formats(format_registration &fr) - FLOPPY_MM2_FORMAT -} -*/ -static void mm1_floppies(device_slot_interface &device) + +static void mm1m4_floppies(device_slot_interface &device) { - device.option_add("525qd", FLOPPY_525_QD); + device.option_add("525", FLOPPY_525_QD); } + //************************************************************************** // MACHINE INITIALIZATION //************************************************************************** @@ -403,20 +500,19 @@ static void mm1_floppies(device_slot_interface &device) void mm1_state::machine_start() { - // register for state saving - save_item(NAME(m_llen)); + // state saving + save_item(NAME(m_a8)); + save_item(NAME(m_leen)); save_item(NAME(m_intc)); save_item(NAME(m_rx21)); save_item(NAME(m_tx21)); save_item(NAME(m_rcl)); save_item(NAME(m_recall)); -} - - -void mm1_state::machine_reset() -{ - // reset FDC - m_fdc->reset(); + save_item(NAME(m_dack3)); + save_item(NAME(m_tc)); + save_item(NAME(m_fdc_tc)); + save_item(NAME(m_switch)); + save_item(NAME(m_sasi_data)); } @@ -425,11 +521,7 @@ void mm1_state::machine_reset() // MACHINE DRIVERS //************************************************************************** -//------------------------------------------------- -// machine_config( mm1 ) -//------------------------------------------------- - -void mm1_state::mm1(machine_config &config) +void mm1_state::common(machine_config &config) { // basic system hardware I8085A(config, m_maincpu, 6.144_MHz_XTAL); @@ -449,15 +541,15 @@ void mm1_state::mm1(machine_config &config) m_iop->int_wr_callback().set_inputline(m_maincpu, I8085_RST65_LINE); m_iop->di_rd_callback().set(KB_TAG, FUNC(mm1_keyboard_device::read)); - ls259_device &outlatch(LS259(config, "outlatch")); - outlatch.q_out_cb<0>().set(FUNC(mm1_state::a8_w)); // IC24 A8 - outlatch.q_out_cb<1>().set(FUNC(mm1_state::recall_w)); // RECALL - outlatch.q_out_cb<2>().set(FUNC(mm1_state::rx21_w)); // _RV28/RX21 - outlatch.q_out_cb<3>().set(FUNC(mm1_state::tx21_w)); // _TX21 - outlatch.q_out_cb<4>().set(FUNC(mm1_state::rcl_w)); // _RCL - outlatch.q_out_cb<5>().set(FUNC(mm1_state::intc_w)); // _INTC - outlatch.q_out_cb<6>().set(FUNC(mm1_state::llen_w)); // LLEN - outlatch.q_out_cb<7>().set(FUNC(mm1_state::motor_on_w)); // MOTOR ON + LS259(config, m_outlatch); + m_outlatch->q_out_cb<0>().set(FUNC(mm1_state::a8_w)); // IC24 A8 + m_outlatch->q_out_cb<1>().set(FUNC(mm1_state::recall_w)); // RECALL + m_outlatch->q_out_cb<2>().set(FUNC(mm1_state::rx21_w)); // _RV28/RX21 + m_outlatch->q_out_cb<3>().set(FUNC(mm1_state::tx21_w)); // _TX21 + m_outlatch->q_out_cb<4>().set(FUNC(mm1_state::rcl_w)); // _RCL + m_outlatch->q_out_cb<5>().set(FUNC(mm1_state::intc_w)); // _INTC + m_outlatch->q_out_cb<6>().set(FUNC(mm1_state::leen_w)); // LEEN + m_outlatch->q_out_cb<7>().set(FUNC(mm1_state::motor_on_w)); // MOTOR ON AM9517A(config, m_dmac, 6.144_MHz_XTAL/2); m_dmac->out_hreq_callback().set(FUNC(mm1_state::dma_hrq_w)); @@ -482,8 +574,6 @@ void mm1_state::mm1(machine_config &config) UPD765A(config, m_fdc, 16_MHz_XTAL/2, true, true); m_fdc->intrq_wr_callback().set_inputline(m_maincpu, I8085_RST55_LINE); m_fdc->drq_wr_callback().set(m_dmac, FUNC(am9517a_device::dreq3_w)); - FLOPPY_CONNECTOR(config, UPD765_TAG ":0", mm1_floppies, "525qd", mm1_state::floppy_formats).enable_sound(true); - FLOPPY_CONNECTOR(config, UPD765_TAG ":1", mm1_floppies, "525qd", mm1_state::floppy_formats).enable_sound(true); UPD7201(config, m_mpsc, 6.144_MHz_XTAL/2); m_mpsc->out_txda_callback().set(m_rs232a, FUNC(rs232_port_device::write_txd)); @@ -508,30 +598,86 @@ void mm1_state::mm1(machine_config &config) SOFTWARE_LIST(config, "flop_list").set_original("mm1_flop"); } +void mm1_state::mm1(machine_config &config) +{ + common(config); + mm1_video(config); +} -//------------------------------------------------- -// machine_config( mm1m6 ) -//------------------------------------------------- +void mm1_state::mm1g(machine_config &config) +{ + common(config); + mm1g_video(config); + + m_io->set_addrmap(0, &mm1_state::mm1g_mmu_io_map); +} + +void mm1_state::mm1_320k_dual(machine_config &config) +{ + FLOPPY_CONNECTOR(config, UPD765_TAG ":0", mm1m4_floppies, "525", mm1_state::floppy_formats).enable_sound(true); + FLOPPY_CONNECTOR(config, UPD765_TAG ":1", mm1m4_floppies, "525", mm1_state::floppy_formats).enable_sound(true); +} + +void mm1_state::mm1m4(machine_config &config) +{ + mm1(config); + mm1_320k_dual(config); +} + +void mm1_state::mm1m4g(machine_config &config) +{ + mm1g(config); + mm1_320k_dual(config); +} + +void mm1_state::mm1_640k_dual(machine_config &config) +{ + FLOPPY_CONNECTOR(config, UPD765_TAG ":0", mm1m4_floppies, "525", mm1_state::floppy_formats).enable_sound(true); + FLOPPY_CONNECTOR(config, UPD765_TAG ":1", mm1m4_floppies, "525", mm1_state::floppy_formats).enable_sound(true); +} void mm1_state::mm1m6(machine_config &config) { mm1(config); - // video hardware - mm1m6_video(config); + mm1_640k_dual(config); } +void mm1_state::mm1m6g(machine_config &config) +{ + mm1g(config); + mm1_640k_dual(config); +} -//------------------------------------------------- -// machine_config( mm1m7 ) -//------------------------------------------------- +void mm1_state::mm1_640k_winchester(machine_config &config) +{ + FLOPPY_CONNECTOR(config, UPD765_TAG ":0", mm1m4_floppies, "525", mm1_state::floppy_formats).enable_sound(true); + + NSCSI_BUS(config, "sasi"); + NSCSI_CONNECTOR(config, "sasi:0", default_scsi_devices, "s1410"); + NSCSI_CONNECTOR(config, "sasi:7", default_scsi_devices, "scsicb", true) + .option_add_internal("scsicb", NSCSI_CB) + .machine_config([this](device_t* device) { + downcast<nscsi_callback_device&>(*device).bsy_callback().set(*this, FUNC(mm1_state::sasi_bsy_w)); + downcast<nscsi_callback_device&>(*device).req_callback().set(*this, FUNC(mm1_state::sasi_req_w)); + downcast<nscsi_callback_device&>(*device).io_callback().set(*this, FUNC(mm1_state::sasi_io_w)); + }); + + m_outlatch->q_out_cb<7>().set(FUNC(mm1_state::switch_w)); + + m_dmac->in_ior_callback<3>().set(*this, FUNC(mm1_state::sasi_ior3_r)); + m_dmac->out_iow_callback<3>().set(*this, FUNC(mm1_state::sasi_iow3_w)); +} void mm1_state::mm1m7(machine_config &config) { mm1(config); - // video hardware - mm1m6_video(config); + mm1_640k_winchester(config); +} - // TODO hard disk +void mm1_state::mm1m7g(machine_config &config) +{ + mm1g(config); + mm1_640k_winchester(config); } @@ -541,6 +687,24 @@ void mm1_state::mm1m7(machine_config &config) //************************************************************************** //------------------------------------------------- +// ROM( mm1m4 ) +//------------------------------------------------- + +ROM_START( mm1m4 ) + ROM_REGION( 0x4000, I8085A_TAG, 0 ) // BIOS + ROM_LOAD( "9081b.ic43", 0x0000, 0x2000, CRC(60841940) SHA1(d755e9be53f27f41d1e93b4c1793f9ea6a3e1229) ) + + ROM_REGION( 0x200, "address", 0 ) // address decoder + ROM_LOAD( "720793a.ic24", 0x000, 0x200, CRC(deea87a6) SHA1(8f19e43252c9a0b1befd02fc9d34fe1437477f3a) ) + + ROM_REGION( 0x1000, "chargen", 0 ) // character generator + ROM_LOAD( "6807b.ic61", 0x0000, 0x1000, CRC(32b36220) SHA1(8fe7a181badea3f7e656dfaea21ee9e4c9baf0f1) ) +ROM_END + +#define rom_mm1m4g rom_mm1m4 + + +//------------------------------------------------- // ROM( mm1m6 ) //------------------------------------------------- @@ -549,18 +713,31 @@ ROM_START( mm1m6 ) ROM_LOAD( "9081b.ic2", 0x0000, 0x2000, CRC(2955feb3) SHA1(946a6b0b8fb898be3f480c04da33d7aaa781152b) ) ROM_REGION( 0x200, "address", 0 ) // address decoder - ROM_LOAD( "720793a.ic24", 0x0000, 0x0200, CRC(deea87a6) SHA1(8f19e43252c9a0b1befd02fc9d34fe1437477f3a) ) + ROM_LOAD( "720793a.ic24", 0x000, 0x200, CRC(deea87a6) SHA1(8f19e43252c9a0b1befd02fc9d34fe1437477f3a) ) ROM_REGION( 0x1000, "chargen", 0 ) // character generator ROM_LOAD( "6807b.ic61", 0x0000, 0x1000, CRC(32b36220) SHA1(8fe7a181badea3f7e656dfaea21ee9e4c9baf0f1) ) ROM_END +#define rom_mm1m6g rom_mm1m6 + //------------------------------------------------- // ROM( mm1m7 ) //------------------------------------------------- -#define rom_mm1m7 rom_mm1m6 +ROM_START( mm1m7 ) + ROM_REGION( 0x4000, I8085A_TAG, 0 ) // BIOS + ROM_LOAD( "9057c.ic2", 0x0000, 0x2000, CRC(89bbc042) SHA1(7e8800c94934b81ce08b7af862e1159e0517684d) ) + + ROM_REGION( 0x200, "address", 0 ) // address decoder + ROM_LOAD( "726972b.ic24", 0x000, 0x200, CRC(2487d4ca) SHA1(e883a2e9540c31abba3d7f3bc23a48941f655ea0) ) + + ROM_REGION( 0x1000, "chargen", 0 ) // character generator + ROM_LOAD( "6807b.ic61", 0x0000, 0x1000, CRC(32b36220) SHA1(8fe7a181badea3f7e656dfaea21ee9e4c9baf0f1) ) +ROM_END + +#define rom_mm1m7g rom_mm1m7 @@ -568,6 +745,10 @@ ROM_END // SYSTEM DRIVERS //************************************************************************** -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1981, mm1m6, 0, 0, mm1m6, mm1, mm1_state, empty_init, "Nokia Data", "MikroMikko 1 M6", MACHINE_SUPPORTS_SAVE ) -COMP( 1981, mm1m7, mm1m6, 0, mm1m7, mm1, mm1_state, empty_init, "Nokia Data", "MikroMikko 1 M7", MACHINE_SUPPORTS_SAVE ) +// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS +COMP( 1981, mm1m4, 0, 0, mm1m4, mm1, mm1_state, empty_init, "Nokia Data", "MikroMikko 1 M4", MACHINE_SUPPORTS_SAVE ) +COMP( 1981, mm1m4g, mm1m4, 0, mm1m4g, mm1, mm1_state, empty_init, "Nokia Data", "MikroMikko 1 M4G", MACHINE_SUPPORTS_SAVE ) +COMP( 1981, mm1m6, 0, 0, mm1m6, mm1, mm1_state, empty_init, "Nokia Data", "MikroMikko 1 M6", MACHINE_SUPPORTS_SAVE ) +COMP( 1981, mm1m6g, mm1m6, 0, mm1m6g, mm1, mm1_state, empty_init, "Nokia Data", "MikroMikko 1 M6G", MACHINE_SUPPORTS_SAVE ) +COMP( 1981, mm1m7, 0, 0, mm1m7, mm1, mm1_state, empty_init, "Nokia Data", "MikroMikko 1 M7", MACHINE_SUPPORTS_SAVE ) +COMP( 1981, mm1m7g, mm1m7, 0, mm1m7g, mm1, mm1_state, empty_init, "Nokia Data", "MikroMikko 1 M7G", MACHINE_SUPPORTS_SAVE ) |