
Appendix C
Instruction Set and Execution Times
139
Name/
mnemonic
Operands
*
Description
Key inputs
Symbol
LOGICAL OR
ORW(43)
ORW(43)
I1
I2
R
FUN
4
3
ENT
ENT
ENT
ENT
I1
I2
R
Performs an OR between two words one bit at a time
and places the result in the result word (R).
I1
R
I2
OR
R:
O
W
LR
DR
*
DR
I1/I2:
I/O
W
D
LR
TC
DR
*
DR
#
CLEAR
CARRY
CLC(44)
CLC(44)
FUN
4
4
ENT
Resets the Carry Flag (bit 0312) to 0. Generally used
to clear the Carry Flag just before using ADD(40) or
SUB(41).
---