Assembler Language VAR1 DS F VAR2 DS  5F Subtract VAR1 from VAR2. To do this, load these VARs into two separate registers using the Load instruction (L) for each and then Subtract Register (SR) Reference: Load instruction format: label L R,D(X,B) Subtract instruction format: label S R,D(X,B) No need to write the entire code, just a snippet of above line code, explanation would be nice, thanks

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 15VE: A(n) ________________ instruction always alters the instruction execution sequence. A(n)...
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Computer Science

Assembler Language

VAR1 DS F

VAR2 DS  5F

Subtract VAR1 from VAR2. To do this, load these VARs into two separate registers using the Load instruction (L) for each and then Subtract Register (SR)

Reference:

Load instruction format: label L R,D(X,B)

Subtract instruction format: label S R,D(X,B)

No need to write the entire code, just a snippet of above line code, explanation would be nice, thanks 

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