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public interface PD765Constants
NEC 765 A / B Floppy disk controller constants.
Define all constants and default value for NEC 765 floppy disk controller.
Field Summary | |
---|---|
static int |
CMD_RECALIBRATE
Command recalibrate |
static int |
CMD_SIS
Command Sense Interrupt Status |
static int |
DATA
FDC Data register R/W |
static int |
MSR
FDC Main status register (RO) |
static int |
MSR_BUSY
MSR FDC busy |
static int |
MSR_BUSY_DRIVE0
MSR Busy drive # 0 |
static int |
MSR_BUSY_DRIVE1
MSR Busy drive # 1 |
static int |
MSR_BUSY_DRIVE2
MSR Busy drive # 2 |
static int |
MSR_BUSY_DRIVE3
MSR Busy drive # 3 |
static int |
MSR_DIO
MSR DIO Data transfer direction 1 ==> cpu |
static int |
MSR_EXM
MSR EXM Set during execution of non dma command |
static int |
MSR_READY
MSR Ready |
static int |
ST0_EC
Equipement check |
static int |
ST0_HA
Head address |
static int |
ST0_IC_AC
Abnormal termination disk change state |
static int |
ST0_IC_AT
Abnormal termination |
static int |
ST0_IC_IC
Invalid command |
static int |
ST0_IC_NT
Normal termination |
static int |
ST0_NR
Disk not ready |
static int |
ST0_S0
Drive unit select 0 |
static int |
ST0_S1
Drive unit select 1 |
static int |
ST0_SE
Seek end |
Field Detail |
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static final int MSR
static final int MSR_BUSY_DRIVE0
static final int MSR_BUSY_DRIVE1
static final int MSR_BUSY_DRIVE2
static final int MSR_BUSY_DRIVE3
static final int MSR_BUSY
static final int MSR_EXM
static final int MSR_DIO
static final int MSR_READY
static final int DATA
static final int ST0_IC_NT
static final int ST0_IC_AT
static final int ST0_IC_AC
static final int ST0_IC_IC
static final int ST0_SE
static final int ST0_EC
static final int ST0_NR
static final int ST0_HA
static final int ST0_S1
static final int ST0_S0
static final int CMD_SIS
static final int CMD_RECALIBRATE
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