diff options
author | 2019-04-27 23:28:18 -0400 | |
---|---|---|
committer | 2019-04-27 23:28:27 -0400 | |
commit | 6da4308b0ffbe8882ad9de2c54de17212e441a02 (patch) | |
tree | 19c7dbb1f2d5dcd6922473c16d951dd3f05a5612 | |
parent | 8293d4d68544a6af3988ea9abcd94aa74c26fff3 (diff) |
bus/isa/tekram_dc820.cpp: A few more stubs (nw)
-rw-r--r-- | src/devices/bus/isa/tekram_dc820.cpp | 53 | ||||
-rw-r--r-- | src/devices/bus/isa/tekram_dc820.h | 7 |
2 files changed, 50 insertions, 10 deletions
diff --git a/src/devices/bus/isa/tekram_dc820.cpp b/src/devices/bus/isa/tekram_dc820.cpp index a281affa13f..8b2192d0a57 100644 --- a/src/devices/bus/isa/tekram_dc820.cpp +++ b/src/devices/bus/isa/tekram_dc820.cpp @@ -31,6 +31,7 @@ tekram_eisa_scsi_device::tekram_eisa_scsi_device(const machine_config &mconfig, : device_t(mconfig, type, tag, owner, clock) , device_isa16_card_interface(mconfig, *this) , m_mpu(*this, "mpu") + , m_cmdlatch(*this, "cmdlatch") , m_eeprom(*this, "eeprom") , m_fdc(*this, "fdc") , m_bios(*this, "bios") @@ -61,21 +62,28 @@ void tekram_eisa_scsi_device::device_start() { } +void tekram_eisa_scsi_device::int0_ack_w(u8 data) +{ +} + u8 tekram_eisa_scsi_device::status_r() { return m_eeprom->do_read() << 3; } -void tekram_eisa_scsi_device::mask_w(u8 data) +void tekram_eisa_scsi_device::misc_w(u8 data) { - logerror("%s: Mask register(?) = %02X\n", machine().describe_context(), data); + logerror("%s: Misc. control register(?) = %02X\n", machine().describe_context(), data); } -u8 tekram_eisa_scsi_device::unknown_r() +void tekram_eisa_scsi_device::aux_w(u8 data) { - if (!machine().side_effects_disabled()) - logerror("%s: Unknown read (reset something?)\n", machine().describe_context()); - return 0; + logerror("%s: Aux. control register(?) = %02X\n", machine().describe_context(), data); +} + +void tekram_eisa_scsi_device::mask_w(u8 data) +{ + logerror("%s: Mask register(?) = %02X\n", machine().describe_context(), data); } void tekram_eisa_scsi_device::eeprom_w(u8 data) @@ -89,10 +97,13 @@ void tekram_eisa_scsi_device::mpu_map(address_map &map) { map(0x00000, 0x0ffff).ram(); map(0x10040, 0x1005f).m("scsi:7:scsic", FUNC(ncr53cf94_device::map)).umask16(0xff00); + map(0x10068, 0x10068).w(FUNC(tekram_eisa_scsi_device::int0_ack_w)); map(0x10069, 0x10069).r(FUNC(tekram_eisa_scsi_device::status_r)); + map(0x1006a, 0x1006a).w(FUNC(tekram_eisa_scsi_device::misc_w)); + map(0x1006b, 0x1006b).w(FUNC(tekram_eisa_scsi_device::aux_w)); map(0x1006c, 0x1006c).w(FUNC(tekram_eisa_scsi_device::mask_w)); map(0x1006d, 0x1006d).w(FUNC(tekram_eisa_scsi_device::eeprom_w)); - map(0x1006f, 0x1006f).r(FUNC(tekram_eisa_scsi_device::unknown_r)); + map(0x1006f, 0x1006f).r(m_cmdlatch, FUNC(generic_latch_8_device::read)); map(0x10080, 0x10085).rw("bmic", FUNC(i82355_device::local_r), FUNC(i82355_device::local_w)).umask16(0x00ff); map(0xf0000, 0xfffff).rom().region("firmware", 0); } @@ -109,15 +120,24 @@ u8 tekram_dc320b_device::eeprom_r() return m_eeprom->do_read() << 4; } +u8 tekram_dc320b_device::status_r() +{ + return 0; +} + void tekram_dc320b_device::mpu_map(address_map &map) { map(0x00000, 0x03fff).ram(); map(0x08000, 0x0801f).m("scsi:7:scsic", FUNC(ncr53cf94_device::map)).umask16(0x00ff); - map(0x08001, 0x08001).r(FUNC(tekram_dc320b_device::unknown_r)); + map(0x08001, 0x08001).r(m_cmdlatch, FUNC(generic_latch_8_device::read)); map(0x08080, 0x08085).rw("bmic", FUNC(i82355_device::local_r), FUNC(i82355_device::local_w)).umask16(0x00ff); + map(0x08100, 0x08100).w(FUNC(tekram_dc320b_device::int0_ack_w)); + map(0x08108, 0x08108).w(FUNC(tekram_dc320b_device::aux_w)); map(0x0810a, 0x0810a).w(FUNC(tekram_dc320b_device::eeprom_w)); map(0x0810c, 0x0810c).w(FUNC(tekram_dc320b_device::mask_w)); + map(0x0810e, 0x0810e).w(FUNC(tekram_dc320b_device::misc_w)); map(0x08180, 0x08180).r(FUNC(tekram_dc320b_device::eeprom_r)); + map(0x08182, 0x08182).r(FUNC(tekram_dc320b_device::status_r)); map(0xf0000, 0xfffff).rom().region("firmware", 0); } @@ -133,9 +153,12 @@ void tekram_dc820_device::mpu_map(address_map &map) map(0x00000, 0x0ffff).ram(); map(0x10000, 0x1001f).m("scsi:7:scsic", FUNC(ncr53cf94_device::map)).umask16(0x00ff); map(0x10080, 0x10085).rw("bmic", FUNC(i82355_device::local_r), FUNC(i82355_device::local_w)).umask16(0x00ff); + map(0x10106, 0x10106).w(FUNC(tekram_dc820_device::int0_ack_w)); + map(0x10109, 0x10109).w(FUNC(tekram_dc820_device::aux_w)); map(0x1010b, 0x1010b).w(FUNC(tekram_dc820_device::eeprom_w)); map(0x1010d, 0x1010d).w(FUNC(tekram_dc820_device::mask_w)); - map(0x10200, 0x10200).r(FUNC(tekram_dc820_device::unknown_r)); + map(0x1010f, 0x1010f).w(FUNC(tekram_dc820_device::misc_w)); + map(0x10200, 0x10200).r(m_cmdlatch, FUNC(generic_latch_8_device::read)); map(0x10283, 0x10283).r(FUNC(tekram_dc820_device::status_r)); map(0xf0000, 0xfffff).rom().region("firmware", 0); } @@ -171,6 +194,9 @@ void tekram_dc320b_device::device_add_mconfig(machine_config &config) I80186(config, m_mpu, 25'000'000); // verified for DC-320, but not DC-320B m_mpu->set_addrmap(AS_PROGRAM, &tekram_dc320b_device::mpu_map); + GENERIC_LATCH_8(config, m_cmdlatch); + m_cmdlatch->data_pending_callback().set(m_mpu, FUNC(i80186_cpu_device::int1_w)); + EEPROM_93C46_16BIT(config, m_eeprom); i82355_device &bmic(I82355(config, "bmic", 0)); @@ -186,6 +212,9 @@ void tekram_dc320e_device::device_add_mconfig(machine_config &config) I80186(config, m_mpu, 32'000'000); // clock guessed to be same as DC-820B due to identical firmware m_mpu->set_addrmap(AS_PROGRAM, &tekram_dc320e_device::mpu_map); + GENERIC_LATCH_8(config, m_cmdlatch); + m_cmdlatch->data_pending_callback().set(m_mpu, FUNC(i80186_cpu_device::int1_w)); + EEPROM_93C46_16BIT(config, m_eeprom); i82355_device &bmic(I82355(config, "bmic", 0)); @@ -201,6 +230,9 @@ void tekram_dc820_device::device_add_mconfig(machine_config &config) I80186(config, m_mpu, 32_MHz_XTAL); // N80C186-16 m_mpu->set_addrmap(AS_PROGRAM, &tekram_dc820_device::mpu_map); + GENERIC_LATCH_8(config, m_cmdlatch); + m_cmdlatch->data_pending_callback().set(m_mpu, FUNC(i80186_cpu_device::int1_w)); + EEPROM_93C46_16BIT(config, m_eeprom); i82355_device &bmic(I82355(config, "bmic", 0)); @@ -216,6 +248,9 @@ void tekram_dc820b_device::device_add_mconfig(machine_config &config) I80186(config, m_mpu, 32_MHz_XTAL); // N80186-16 m_mpu->set_addrmap(AS_PROGRAM, &tekram_dc820b_device::mpu_map); + GENERIC_LATCH_8(config, m_cmdlatch); + m_cmdlatch->data_pending_callback().set(m_mpu, FUNC(i80186_cpu_device::int1_w)); + EEPROM_93C46_16BIT(config, m_eeprom); i82355_device &bmic(I82355(config, "bmic", 0)); diff --git a/src/devices/bus/isa/tekram_dc820.h b/src/devices/bus/isa/tekram_dc820.h index a9db3ebb2f8..a8b73d432ed 100644 --- a/src/devices/bus/isa/tekram_dc820.h +++ b/src/devices/bus/isa/tekram_dc820.h @@ -13,6 +13,7 @@ #include "isa.h" #include "machine/eepromser.h" +#include "machine/gen_latch.h" #include "machine/upd765.h" class tekram_eisa_scsi_device : public device_t, public device_isa16_card_interface @@ -25,9 +26,11 @@ protected: virtual void device_start() override; + void int0_ack_w(u8 data); u8 status_r(); + void misc_w(u8 data); + void aux_w(u8 data); void mask_w(u8 data); - u8 unknown_r(); void eeprom_w(u8 data); void mpu_map(address_map &map); @@ -35,6 +38,7 @@ protected: void scsi_add(machine_config &config); required_device<cpu_device> m_mpu; + required_device<generic_latch_8_device> m_cmdlatch; required_device<eeprom_serial_93cxx_device> m_eeprom; required_device<upd765_family_device> m_fdc; required_region_ptr<u8> m_bios; @@ -52,6 +56,7 @@ protected: private: void eeprom_w(u8 data); u8 eeprom_r(); + u8 status_r(); void mpu_map(address_map &map); }; |