Owner`s manual
Figure 7–19: Diagnostic Control Register (ALU_DIAG_CTL)
3
1
1
1
1
09876543210
Read as Ones
Illegal Favor Opcode (IFO)
C−Bus Parity (ICI)
1
msb−p145−90
C−Bus Parity Error (CPE)
AB−Bus Parity Error (ABE)
Invert Internally Generated
Invert CD−Bus Parity High (ICH)
Invert CD−Bus Parity Low (ICL)
Invert B Operand Parity High (IBH)
Invert B Operand Parity Low (IBL)
Invert Scalar Operand Parity High (ISH)
Invert Scalar Operand Parity Low (ISL)
Figure 7–20: Current ALU Instruction Register (VCTL_CALU)
3
1
2
4
2
3
2
2
1
6
1
5
1
4
1
3
1
2
1
187430
Opcode
Masked Operations Enable (MOE)
Modify Intent (MI)
Vector Register A (VRA)
Vector Register B (VRB)
Vector Register C (VRC)
msb−p146−90
0 Vector Length 0
Match True/False (MTF)
Exception Enable (EXC) or
7–14 VAX 6000 Model 500 Mini-Reference










