Computer Hardware User's Guide

SUBI3 Subtract Integer, 3-Operand
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Example 1 SUBI3 R7,R2,R0
Before Instruction After Instruction
R0 00 0000 0000 R0 00 0000 0032
R2 00 0000 0866 R2 00 0000 0866
R7 00 0000 0834 R7 00 0000 0834
LUF 0 LUF 0
LV 0 LV 0
UF 0 UF 0
N 0 N 1
Z 0 Z 0
V 0 V 0
C 0 C 0
50
2100
2150
2100
2150
Example 2 SUBI3 *–AR2(1),R4,R3
Before Instruction After Instruction
R3 00 0000 0000 R3 00 0000 014A
R4 00 0000 0226 R4 00 0000 0226
AR2 80 985E AR2 80 985E
LUF 0 LUF 0
LV 0 LV 0
UF 0 UF 0
N 0 N 0
Z 0 Z 0
V 0 V 0
C 0 C 0
Data memory
80985Dh 0DC 80985Dh 0DC
220
550
330
550
220
Note: Cycle Count
See subsection 8.5.2, Data Loads and Stores , on page 8-24 for the effects
of operand ordering on the cycle count.