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1982 | OriginalPaper | Buchkapitel

Some Simple Instructions

verfasst von : Anthony Woods

Erschienen in: Assembly Language Assembled for the Sinclair ZX81

Verlag: Macmillan Education UK

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In this chapter we shall look at the operations of loading registers, adding to the value in the accumulator, subtracting from the value in the accumulator, incrementing and decrementing the value in a register, and taking the negative of the value in the accumulator. These instructions allow us to carry out simple arithmetic with 8-bit numbers.

Metadaten
Titel
Some Simple Instructions
verfasst von
Anthony Woods
Copyright-Jahr
1982
Verlag
Macmillan Education UK
DOI
https://doi.org/10.1007/978-1-349-06620-9_3