App - 61
Appendix 2 Special Register List
APPENDICES
*10: On the Basic model QCPU, data is set at STOP to RUN or RSET instruction execution after parameter execution.
TableApp.24 Special register
Number Name Meaning Explanation
Set by
(When Set)
Corres-
ponding
ACPU
D9
Corresponding
CPU
SD624
Drive 3/4 use
conditions
Drive 3/4 use
conditions
• The conditions for usage for drive 3/4 are stored as bit patterns.
(In use when ON)
• The significance of these bit patterns is indicated below:
S (Status
change)
New
Qn(H)
QnPH
QnPRH
Memory card B
use conditions
Memory card B
use conditions
• The use conditions for memory card B are stored as bit patterns.
(In use when ON)
• The significance of these bit patterns is indicated below:
S (Status
change)
New
Q2A(S1)
Q3A
Q4A
Q4AR
Drive 3/4 use
conditions
Drive 3/4 use
conditions
• The conditions for usage for drive 3/4 are stored as bit patterns.
(In use when ON)
• The significance of these bit patterns is indicated below:
*1: Turned ON at boot start and OFF at boot completion.
S (Status
change)
New QnU
SD622
Drive 3
(Standard RAM)
capacity
Drive 3 capacity • Drive 3 capacity is stored in 1k byte units. S (Initial)
New Q00J/Q00/Q01
SD623
Drive 4
(Standard
ROM) capacity
Drive 4 capacity • Drive 4 capacity is stored in 1k byte units. S (Initial)
SD624
Drive 3/4 use
conditions
Drive 3/4 use
conditions
• The conditions for usage for drive 3/4 are stored as bit patterns.
S (Status
change)
SD640
File register
drive
Drive number: • Stores drive number being used by file register
S (Status
change) *10
New
b0 : Boot operation (QBT)
b1 : Parameters (QPA)
b2 : Device comments (QCD)
b3 : Device initial value (QDI)
b4 : File register (QDR)
b5 : Sampling trace (QTD)
b6 : Not used
b7 : Not used
b8 : Not used
b9 : CPU fault history (QFD)
b10 : SFC trace (QTS)
b11 : Local device (QDL)
b12 : Not used
b13 : Not used
b14 : Not used
b15 : Not used
b0 : Boot operation (QBT)
b1 : Parameters (QPA)
b2 : Device comments (QCD)
b3 : Device initial value (QDI)
b4 : File register (QDR)
b5 : Sampling trace (QTD)
b6 : Status latch (QTL)
b7 : Program trace (QTP)
b8 : Simulation data (QDS)
b9 : CPU fault history (QFD)
b10 : SFC trace (QTS)
b11 : Local device (QDL)
b12 : Local device (QDL)
b13 : Not used
b14 : Not used
b15 : Not used
b0 : Not used
b1 : Parameters (QPA)
b2 : Device comments (QCD)
b3 : Device initial value (QDI)
*1
b4 : File register (QDR)
b5 : Sampling trace (QTD)
b6 : Not used
b7 : Not used
b8 : Not used
b9 : Not used
b10 : Not used
b11 : Local device (QDL)
b12 : Not used
b13 : Not used
b14 : Not used
b15 : Not used
b4
b0
0 00000
b5b15
to to
Boot operation (QBT)
0:Not used, 1:In use
File register (QDR)
0:Not used, 1:In use