diff options
Diffstat (limited to 'src/devices/bus/electron/cart/stlefs.cpp')
-rw-r--r-- | src/devices/bus/electron/cart/stlefs.cpp | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/src/devices/bus/electron/cart/stlefs.cpp b/src/devices/bus/electron/cart/stlefs.cpp index 47566871a9d..83dbf998f2a 100644 --- a/src/devices/bus/electron/cart/stlefs.cpp +++ b/src/devices/bus/electron/cart/stlefs.cpp @@ -47,9 +47,9 @@ void stlefs_floppies(device_slot_interface &device) void electron_stlefs_device::device_add_mconfig(machine_config &config) { /* fdc */ - WD1770(config, m_fdc, DERIVED_CLOCK(1, 2)); - m_fdc->intrq_wr_callback().set(DEVICE_SELF_OWNER, FUNC(electron_cartslot_device::irq_w)); - m_fdc->drq_wr_callback().set(DEVICE_SELF_OWNER, FUNC(electron_cartslot_device::nmi_w)); + WD1770(config, m_fdc, 16_MHz_XTAL / 2); + m_fdc->intrq_wr_callback().set(FUNC(electron_stlefs_device::fdc_intrq_w)); + m_fdc->drq_wr_callback().set(FUNC(electron_stlefs_device::fdc_drq_w)); FLOPPY_CONNECTOR(config, m_floppy0, stlefs_floppies, "525qd", electron_stlefs_device::floppy_formats).enable_sound(true); FLOPPY_CONNECTOR(config, m_floppy1, stlefs_floppies, nullptr, electron_stlefs_device::floppy_formats).enable_sound(true); } @@ -83,7 +83,7 @@ void electron_stlefs_device::device_start() // read - cartridge data read //------------------------------------------------- -uint8_t electron_stlefs_device::read(offs_t offset, int infc, int infd, int romqa, int oe, int oe2) +uint8_t electron_stlefs_device::read(address_space &space, offs_t offset, int infc, int infd, int romqa) { uint8_t data = 0xff; @@ -99,9 +99,13 @@ uint8_t electron_stlefs_device::read(offs_t offset, int infc, int infd, int romq break; } } - else if (oe) + + if (!infc && !infd) { - data = m_rom[(offset & 0x3fff) | (romqa << 14)]; + if (offset >= 0x0000 && offset < 0x4000) + { + data = m_rom[(offset & 0x3fff) + (romqa * 0x4000)]; + } } return data; @@ -111,14 +115,14 @@ uint8_t electron_stlefs_device::read(offs_t offset, int infc, int infd, int romq // write - cartridge data write //------------------------------------------------- -void electron_stlefs_device::write(offs_t offset, uint8_t data, int infc, int infd, int romqa, int oe, int oe2) +void electron_stlefs_device::write(address_space &space, offs_t offset, uint8_t data, int infc, int infd, int romqa) { if (infc) { switch (offset & 0xff) { case 0xc0: - wd1770_control_w(data); + wd1770_control_w(space, 0, data); break; case 0xc4: case 0xc5: @@ -137,7 +141,7 @@ void electron_stlefs_device::write(offs_t offset, uint8_t data, int infc, int in // IMPLEMENTATION //************************************************************************** -void electron_stlefs_device::wd1770_control_w(uint8_t data) +WRITE8_MEMBER(electron_stlefs_device::wd1770_control_w) { floppy_image_device *floppy = nullptr; @@ -156,3 +160,13 @@ void electron_stlefs_device::wd1770_control_w(uint8_t data) // bit 5: reset if (!BIT(data, 5)) m_fdc->soft_reset(); } + +void electron_stlefs_device::fdc_intrq_w(int state) +{ + m_slot->irq_w(state); +} + +void electron_stlefs_device::fdc_drq_w(int state) +{ + m_slot->nmi_w(state); +} |