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DC5 Floppy Disk Controller - mame (0280) machine



MAME: 0280 - Released: 2025-08-29T22:26:57 - Lists: 731 - Software: 139884 - rom: 235974 - disk: 11384


machine

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namesourcefilesampleofisbiosisdeviceismechanicalrunnabledescriptionyearmanufacturercloneofromof
ss50_dc5devices/bus/ss50/dc5.cppnoyesnonoDC5 Floppy Disk Controller

device_ref

name
wd2797
floppy_connector
floppy_connector
floppy_connector
floppy_connector

slot, slotoption

slot_nameslotoption_nameslotoption_devnameslotoption_default
:fdc:08ssddfloppy_8_ssddno
:fdc:08dssdfloppy_8_dssdno
:fdc:08dsddfloppy_8_dsddno
:fdc:0ssqdfloppy_525_ssqdno
:fdc:08sssdfloppy_8_sssdno
:fdc:0ssddfloppy_525_ssddno
:fdc:0dssdfloppy_525_sdno
:fdc:0qdfloppy_525_qdno
:fdc:0dssd35floppy_525_sd_35tno
:fdc:035hdfloppy_35_hdno
:fdc:0ddfloppy_525_ddno
:fdc:0sssdfloppy_525_sssdno
:fdc:0sssd35floppy_525_sssd_35tyes
:fdc:18ssddfloppy_8_ssddno
:fdc:18dssdfloppy_8_dssdno
:fdc:18dsddfloppy_8_dsddno
:fdc:1ssqdfloppy_525_ssqdno
:fdc:18sssdfloppy_8_sssdno
:fdc:1ssddfloppy_525_ssddno
:fdc:1dssdfloppy_525_sdno
:fdc:1qdfloppy_525_qdno
:fdc:1dssd35floppy_525_sd_35tno
:fdc:135hdfloppy_35_hdno
:fdc:1ddfloppy_525_ddno
:fdc:1sssdfloppy_525_sssdno
:fdc:1sssd35floppy_525_sssd_35tyes
:fdc:28ssddfloppy_8_ssddno
:fdc:28dssdfloppy_8_dssdno
:fdc:28dsddfloppy_8_dsddno
:fdc:2ssqdfloppy_525_ssqdno
:fdc:28sssdfloppy_8_sssdno
:fdc:2ssddfloppy_525_ssddno
:fdc:2dssdfloppy_525_sdno
:fdc:2qdfloppy_525_qdno
:fdc:2dssd35floppy_525_sd_35tno
:fdc:235hdfloppy_35_hdno
:fdc:2ddfloppy_525_ddno
:fdc:2sssdfloppy_525_sssdno
:fdc:2sssd35floppy_525_sssd_35tyes
:fdc:38ssddfloppy_8_ssddno
:fdc:38dssdfloppy_8_dssdno
:fdc:38dsddfloppy_8_dsddno
:fdc:3ssqdfloppy_525_ssqdno
:fdc:38sssdfloppy_8_sssdno
:fdc:3ssddfloppy_525_ssddno
:fdc:3dssdfloppy_525_sdno
:fdc:3qdfloppy_525_qdno
:fdc:3dssd35floppy_525_sd_35tno
:fdc:335hdfloppy_35_hdno
:fdc:3ddfloppy_525_ddno
:fdc:3sssdfloppy_525_sssdno
:fdc:3sssd35floppy_525_sssd_35tyes

configuration


Control register bit 7

nametagmaskcondition_tagcondition_maskcondition_relationcondition_value
Control register bit 7:CTRL_REG_BIT7_SIDE_SELECT1

setting

namevaluedefaultcondition_tagcondition_maskcondition_relationcondition_value
Inhibits drive selection0yes
Erroneous side select1no

FDC expected clock rate

nametagmaskcondition_tagcondition_maskcondition_relationcondition_value
FDC expected clock rate:EXPECTED_CLOCK15

setting

namevaluedefaultcondition_tagcondition_maskcondition_relationcondition_value
-0yes
1.0 MHz12no
1.2 MHz10no
2.0 MHz6no
2.4 MHz5no

Expected density

nametagmaskcondition_tagcondition_maskcondition_relationcondition_value
Expected density:EXPECTED_DENSITY7

setting

namevaluedefaultcondition_tagcondition_maskcondition_relationcondition_value
-0yes
single density1no
double density, with single density track zero head zero2no
double density, with single density track zero all heads3no
double density4no

FLEX expected sectors per side

nametagmaskcondition_tagcondition_maskcondition_relationcondition_value
FLEX expected sectors per side:EXPECTED_SECTORS255

setting

namevaluedefaultcondition_tagcondition_maskcondition_relationcondition_value
-0yes
1010no
1515no
1616no
1818no
2626no
3636no

Force ready

nametagmaskcondition_tagcondition_maskcondition_relationcondition_value
Force ready:FORCE_READY1

setting

namevaluedefaultcondition_tagcondition_maskcondition_relationcondition_value
No0yes
Yes1no

FLEX track zero expected sectors per side

nametagmaskcondition_tagcondition_maskcondition_relationcondition_value
FLEX track zero expected sectors per side:TRACK_ZERO_EXPECTED_SECTORS255

setting

namevaluedefaultcondition_tagcondition_maskcondition_relationcondition_value
-0yes
1010no
1515no
1616no
1818no
2626no
3636no

dipswitch


Address mode

nametagmaskcondition_tagcondition_maskcondition_relationcondition_value
Address mode:ADDRESS_MODE1

value

namevaluedefaultcondition_tagcondition_maskcondition_relationcondition_value
4 address0no
16 address1yes

Interrupt select

nametagmaskcondition_tagcondition_maskcondition_relationcondition_value
Interrupt select:INTERRUPT_SELECT3

value

namevaluedefaultcondition_tagcondition_maskcondition_relationcondition_value
N/C0yes
IRQ1no
NMI/FIRQ2no

Two control registers

nametagmaskcondition_tagcondition_maskcondition_relationcondition_value
Two control registers:TWO_CONTROL_REGS1

value

namevaluedefaultcondition_tagcondition_maskcondition_relationcondition_value
No, DC4 compatible0yes
Yes, DC5 extension1no