Computer Hardware User's Guide

Subtract Integer Conditionally SUBC
13-227 Assembly Language Instructions
Example 1 SUBC @98C5h,R1
Before Instruction After Instruction
R1 00 0000 04F6 R1 00 0000 00C9
DP 080 DP 080
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
8098C5h 492 8098C5h 492
201
1170
1270
1170
Example 2 SUBC 3000,R0 (3000 = 0BB8h)
Before Instruction After Instruction
R0 00 0000 07D0 R0 00 0000 0FA0
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
4000
2000