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rm/rm380z.cpp: Fixed disk drive handling so double sided disks work added 8" disk support. (#12144)

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* Changed /M firmware variants to use double-sided 5.25" drives.
* Changed /F firmware variants to use double-sided 8" drives.
* Fixed side select signal connection.
* Fixed addressing for floppy control I/O functions.
This commit is contained in:
Robin Sergeant 2024-03-16 22:06:09 +00:00 committed by GitHub
parent 58421f96aa
commit 4e8ab32d28
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GPG Key ID: B5690EEEBB952194
3 changed files with 24 additions and 14 deletions
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35
src/mame/rm/rm380z.cpp
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@ -185,9 +185,9 @@ void rm380z_state::rm380z_io(address_map &map)
{
map.global_mask(0xff);
map(0x00, 0xbf).rw(FUNC(rm380z_state::rm380z_portlow_r), FUNC(rm380z_state::rm380z_portlow_w));
map(0xc0, 0xc3).rw(m_fdc, FUNC(fd1771_device::read), FUNC(fd1771_device::write));
map(0xc4, 0xc4).w(FUNC(rm380z_state::disk_0_control));
map(0xc5, 0xff).rw(FUNC(rm380z_state::rm380z_porthi_r), FUNC(rm380z_state::rm380z_porthi_w));
map(0xc0, 0xc3).mirror(0x20).rw(m_fdc, FUNC(fd1771_device::read), FUNC(fd1771_device::write));
map(0xc4, 0xc7).mirror(0x20).w(FUNC(rm380z_state::disk_0_control));
map(0xe8, 0xff).rw(FUNC(rm380z_state::rm380z_porthi_r), FUNC(rm380z_state::rm380z_porthi_w));
}
void rm480z_state::rm480z_mem(address_map &map)
@ -235,7 +235,8 @@ INPUT_PORTS_END
static void rm380z_floppies(device_slot_interface &device)
{
device.option_add("sssd", FLOPPY_525_SSSD);
device.option_add("mds", FLOPPY_525_SD);
device.option_add("fds", FLOPPY_8_DSSD);
}
uint32_t rm380z_state::screen_update_rm380z(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
@ -268,8 +269,8 @@ void rm380z_state::configure(machine_config &config)
/* floppy disk */
FD1771(config, m_fdc, 1_MHz_XTAL);
FLOPPY_CONNECTOR(config, "wd1771:0", rm380z_floppies, "sssd", floppy_image_device::default_mfm_floppy_formats);
FLOPPY_CONNECTOR(config, "wd1771:1", rm380z_floppies, "sssd", floppy_image_device::default_mfm_floppy_formats);
FLOPPY_CONNECTOR(config, m_floppy0, rm380z_floppies, "mds", floppy_image_device::default_mfm_floppy_formats).set_fixed(true);
FLOPPY_CONNECTOR(config, m_floppy1, rm380z_floppies, "mds", floppy_image_device::default_mfm_floppy_formats).set_fixed(true);
/* keyboard */
generic_keyboard_device &keyboard(GENERIC_KEYBOARD(config, "keyboard", 0));
@ -293,6 +294,14 @@ void rm380z_state_cos34::configure(machine_config &config)
m_rocg->set_palette("palette");
}
void rm380z_state_cos34::configure_fds(machine_config &config)
{
rm380z_state_cos34::configure(config);
m_floppy0->set_default_option("fds");
m_floppy1->set_default_option("fds");
}
void rm380z_state_cos40::configure(machine_config &config)
{
rm380z_state::configure(config);
@ -389,10 +398,10 @@ ROM_END
/* Driver */
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP(1978, rm380z, 0, 0, configure, rm380z, rm380z_state_cos40, driver_device::empty_init, "Research Machines", "RM-380Z, COS 4.0B", MACHINE_NO_SOUND_HW)
COMP(1978, rm380zhrg, rm380z, 0, configure, rm380zhrg, rm380z_state_cos40_hrg, driver_device::empty_init, "Research Machines", "RM-380Z, COS 4.0B with HRG", MACHINE_NO_SOUND_HW)
COMP(1978, rm380z34d, rm380z, 0, configure, rm380z, rm380z_state_cos34, driver_device::empty_init, "Research Machines", "RM-380Z, COS 3.4D", MACHINE_NO_SOUND_HW)
COMP(1978, rm380z34e, rm380z, 0, configure, rm380z, rm380z_state_cos34, driver_device::empty_init, "Research Machines", "RM-380Z, COS 3.4E", MACHINE_NO_SOUND_HW)
COMP(1981, rm480z, rm380z, 0, configure, rm380z, rm480z_state, driver_device::empty_init, "Research Machines", "LINK RM-480Z (set 1)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
COMP(1981, rm480za, rm380z, 0, configure, rm380z, rm480z_state, driver_device::empty_init, "Research Machines", "LINK RM-480Z (set 2)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP(1978, rm380z, 0, 0, configure, rm380z, rm380z_state_cos40, driver_device::empty_init, "Research Machines", "RM-380Z, COS 4.0B", MACHINE_NO_SOUND_HW)
COMP(1978, rm380zhrg, rm380z, 0, configure, rm380zhrg, rm380z_state_cos40_hrg, driver_device::empty_init, "Research Machines", "RM-380Z, COS 4.0B with HRG", MACHINE_NO_SOUND_HW)
COMP(1978, rm380z34d, rm380z, 0, configure_fds, rm380z, rm380z_state_cos34, driver_device::empty_init, "Research Machines", "RM-380Z, COS 3.4D", MACHINE_NO_SOUND_HW)
COMP(1978, rm380z34e, rm380z, 0, configure, rm380z, rm380z_state_cos34, driver_device::empty_init, "Research Machines", "RM-380Z, COS 3.4E", MACHINE_NO_SOUND_HW)
COMP(1981, rm480z, rm380z, 0, configure, rm380z, rm480z_state, driver_device::empty_init, "Research Machines", "LINK RM-480Z (set 1)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
COMP(1981, rm480za, rm380z, 0, configure, rm380z, rm480z_state, driver_device::empty_init, "Research Machines", "LINK RM-480Z (set 2)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)

1
src/mame/rm/rm380z.h
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@ -108,6 +108,7 @@ public:
}
void configure(machine_config &config);
void configure_fds(machine_config &config);
protected:
void machine_reset() override;

2
src/mame/rm/rm380z_m.cpp
View File

@ -321,7 +321,7 @@ void rm380z_state::disk_0_control(uint8_t data)
{
// don't know how motor on is connected
floppy->mon_w(0);
floppy->ss_w(BIT(data, 5));
floppy->ss_w(BIT(data, 4));
}
}